SK-AM62A-LP: Processors forum

Viral Shah

Part Number: SK-AM62A-LP
Other Parts Discussed in Thread: AM62A7

Tool/software:

Hi team,

We are unable to observe significant changes of LSC tuning. Below are the set of steps that we have followed along with corresponding observations.

1) Using Matlab code: we used the matlab code and steps as suggested in the link: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1405138/faq-tda4vm-how-to-create-lens-shading-correction-lut-for-vpac-viss-lsc?keyMatch=lsc%20lut&tisearch=universal_search

I am also attaching the generated lut txt file (output_LSC_LUT.txt) generated through the matlab code. In this, DCC tool throws an error. Tool generated matlab_log.txt is attached below.

output_LSC_LUT.txt

Fullscreen 6840.matlab_log.txt Download

-----------------------------------------------
	Log starting at: 09:56:49
--->	Matlab memory status: Max array 9580 MB,    Total 9580 MB

--->	Matlab memory status: Max array 9503 MB,    Total 9503 MB

--->	Matlab memory status: Max array 8514 MB,    Total 8514 MB

--->	Error using griddedInterpolant
Interpolation requires at least two sample points in each dimension.

Error in interp1


Error in lsc_calibrate_2 (line 40)

2) Using lens spec file directly in DCC tool: We are able to tune the LSC plugin and generate binary using below generate_dcc.sh shell script. However, we are not able to see any changes. We also tried by changing "lsc_cfg_mode" from 0 to 1 (sensor_lsc_vpac3l_ext.xml) but still there is no impact. PFA the xmls for your reference.

-> We first tried including sensor_lsc_vpac3l_ext.xml only in the generate_dcc.sh but no impact was observed.

-> We also tried including both the xmls (generate_dcc_both.sh uploaded as text file) and still no impact was observed.

Fullscreen sensor_lsc_vpac3l_ext.xml Download

<?xml version="1.0" encoding="utf-8"?>
<RAWFE_cfg_lsc_ext_xml xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <!--this is a comment-->
    <dcc_name>rawfe_cfg_lsc_extension</dcc_name>
    <dcc_header>
		<camera_module_id> 219 </camera_module_id>
	    <dcc_descriptor_id> 37 </dcc_descriptor_id>
	    <algorithm_vendor_id>  1 </algorithm_vendor_id>
	    <tunning_tool_version> 0 </tunning_tool_version>
    </dcc_header>
  <!--=======================================================================-->
    <typedef>
		<cfg_rawfe_lsc_ext type="struct">
			<lsc_cfg_mode type="uint32"> </lsc_cfg_mode>
			<lsc_ch2lut_map type="uint8[16]"> </lsc_ch2lut_map>
        </cfg_rawfe_lsc_ext>
    </typedef>

<!--=======================================================================-->
    
    <use_case val="1023">
        <n-space>
		
            <region0 class="0">
				<colortemperature val="2" min="0" max="20000">  </colortemperature>
				<exposure val="1" min="0" max="10000000">  </exposure>
				<gain val="0" min="0" max="1024">  </gain>
			</region0>
		
		</n-space>
		

    <parameter_package>
        <rawfe_lsc_ext_dcc type="cfg_rawfe_lsc_ext">
        {
            1,           // lsc_cfg_mode
            {             // lsc_ch2lut_map
                0, 1, 2, 1,
                1, 3, 1, 3,
                2, 1, 0, 1,
                1, 3, 1, 3,
            }
        }
        </rawfe_lsc_ext_dcc>
    </parameter_package>
    
</use_case>

<!--=====================================================================-->
</RAWFE_cfg_lsc_ext_xml>

Fullscreen sensor_lsc_dcc.xml Download

<?xml version="1.0" encoding="utf-8"?>
<RAWFE_cfg_lsc_xml xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <!--this is a comment-->
    <dcc_name>rawfe_cfg_lsc</dcc_name>
    <dcc_header>
        <camera_module_id>     219 </camera_module_id>
        <dcc_descriptor_id>    7 </dcc_descriptor_id>
        <algorithm_vendor_id>  1 </algorithm_vendor_id>
        <tunning_tool_version> 0 </tunning_tool_version>
    </dcc_header>
    <!--=======================================================================-->
    <typedef>
        <cfg_rawfe_lsc type="struct">
            <!--==================cfg lsc=====================================================-->
            <lsc_cfg_enable type="uint32"> </lsc_cfg_enable>
            <lsc_cfg_gain_mode_m type="uint32"> </lsc_cfg_gain_mode_m>
            <lsc_cfg_gain_mode_n type="uint32"> </lsc_cfg_gain_mode_n>
            <lsc_cfg_gain_format type="uint32"> </lsc_cfg_gain_format>
            <lsc_cfg_lut_size    type="uint32"> </lsc_cfg_lut_size>
            <lsc_lut type="uint8*"> </lsc_lut>
        </cfg_rawfe_lsc>
    </typedef>
    <!--=======================================================================-->
    <use_case val="65535">
        <n-space>
            <region0 class="0">
				<gain             val="0" min="0" max="1000000">  </gain>
				<exposure         val="1" min="0" max="1000000">  </exposure>
				<colortemperature val="2" min="0" max="1000000">  </colortemperature>
            </region0>
        </n-space>

        <parameter_package>
            <rawfe_lsc_dcc type="cfg_rawfe_lsc">
            {
                <!--===============================cfg lsc dcc=======================================-->

                1           // lsc_cfg_enable         0:disable, 1: enable
                5           // lsc_cfg_gain_mode_m    3:8x, 4:16x, 5: 32x, 6: 64x, 7: 128x
                5           // lsc_cfg_gain_mode_n    3:8x, 4:16x, 5: 32x, 6: 64x, 7: 128x
                1           // lsc_cfg_gain_format    0:Q8, 1:Q8+1, 2:Q7, 3:Q7+1, 4:Q6, 5:Q6+1, 6:Q5, 7:Q5+1
                9516           // lsc_cfg_lut_size       in bytes
                {
  3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3
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  3   3   3   3   3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3   3   3   3   3
  3   3   3   3   3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3   3   3   3   3
  3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3
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  3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
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  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2
  3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3
  3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3
  3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3
  3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3
  3   3   3   3   3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3   3   3   3   3
  3   3   3   3   3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3   3   3   3   3
  3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3
  3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   1   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   2   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3   3

                }
            }
            </rawfe_lsc_dcc>
        </parameter_package>
    </use_case>
    <!--=====================================================================-->
</RAWFE_cfg_lsc_xml>

Fullscreen generate_dcc.txt Download

DCC_TOOL_PATH=../../../../../tools/dcc_tools/
OUT_PATH=../../../../../sensor_drv/include

rm -f *.bin
bin_folder=../../dcc_bins/
if [ ! -d "$bin_folder" ]
then
    mkdir "$bin_folder"
fi

bin_folder=../../dcc_bins/SENSOR_SONY_IMX219_RPI/
if [ ! -d "$bin_folder" ]
then
    mkdir "$bin_folder"
fi

bin_folder=../../dcc_bins/SENSOR_SONY_IMX219_RPI/linear/
if [ ! -d "$bin_folder" ]
then
    mkdir "$bin_folder"
fi

rm -f $OUT_PATH/dcc_viss_sensor.h
$DCC_TOOL_PATH/dcc_gen_linux sensor_rgb2rgb_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_h3a_aewb_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_viss_nsf4.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_viss_blc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_cfa_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_linear_decompand_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_h3a_mux_luts_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_lsc_vpac3l_ext.xml
cp *.bin $bin_folder/
cat *.bin > ../../dcc_bins/dcc_viss.bin
$DCC_TOOL_PATH/dcc_bin2c ../../dcc_bins/dcc_viss.bin $OUT_PATH/dcc_viss_sensor.h dcc_viss_sensor
echo; echo
rm -f *.bin
rm -f $OUT_PATH/dcc_2a_sensor.h
$DCC_TOOL_PATH/dcc_gen_linux sensor_awb_alg_ti3_tuning.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_h3a_aewb_dcc.xml
cp *.bin $bin_folder/
cat *.bin > ../../dcc_bins/dcc_2a.bin
$DCC_TOOL_PATH/dcc_bin2c ../../dcc_bins/dcc_2a.bin $OUT_PATH/dcc_2a_sensor.h dcc_2a_sensor
echo; echo
rm -f *.bin
rm -f $OUT_PATH/dcc_ldc_sensor.h
$DCC_TOOL_PATH/dcc_gen_linux sensor_mesh_ldc_dcc.xml
cp *.bin $bin_folder/
cat *.bin > ../../dcc_bins/dcc_ldc.bin
$DCC_TOOL_PATH/dcc_bin2c ../../dcc_bins/dcc_ldc.bin $OUT_PATH/dcc_ldc_sensor.h dcc_ldc_sensor
echo; echo
rm -f *.bin

Fullscreen generate_dcc_both.txt Download

DCC_TOOL_PATH=../../../../../tools/dcc_tools/
OUT_PATH=../../../../../sensor_drv/include

rm -f *.bin
bin_folder=../../dcc_bins/
if [ ! -d "$bin_folder" ]
then
    mkdir "$bin_folder"
fi

bin_folder=../../dcc_bins/SENSOR_SONY_IMX219_RPI/
if [ ! -d "$bin_folder" ]
then
    mkdir "$bin_folder"
fi

bin_folder=../../dcc_bins/SENSOR_SONY_IMX219_RPI/linear/
if [ ! -d "$bin_folder" ]
then
    mkdir "$bin_folder"
fi

rm -f $OUT_PATH/dcc_viss_sensor.h
$DCC_TOOL_PATH/dcc_gen_linux sensor_rgb2rgb_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_h3a_aewb_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_viss_nsf4.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_viss_blc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_cfa_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_linear_decompand_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_h3a_mux_luts_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_lsc_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_lsc_vpac3l_ext.xml
cp *.bin $bin_folder/
cat *.bin > ../../dcc_bins/dcc_viss.bin
$DCC_TOOL_PATH/dcc_bin2c ../../dcc_bins/dcc_viss.bin $OUT_PATH/dcc_viss_sensor.h dcc_viss_sensor
echo; echo
rm -f *.bin
rm -f $OUT_PATH/dcc_2a_sensor.h
$DCC_TOOL_PATH/dcc_gen_linux sensor_awb_alg_ti3_tuning.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_h3a_aewb_dcc.xml
cp *.bin $bin_folder/
cat *.bin > ../../dcc_bins/dcc_2a.bin
$DCC_TOOL_PATH/dcc_bin2c ../../dcc_bins/dcc_2a.bin $OUT_PATH/dcc_2a_sensor.h dcc_2a_sensor
echo; echo
rm -f *.bin
rm -f $OUT_PATH/dcc_ldc_sensor.h
$DCC_TOOL_PATH/dcc_gen_linux sensor_mesh_ldc_dcc.xml
cp *.bin $bin_folder/
cat *.bin > ../../dcc_bins/dcc_ldc.bin
$DCC_TOOL_PATH/dcc_bin2c ../../dcc_bins/dcc_ldc.bin $OUT_PATH/dcc_ldc_sensor.h dcc_ldc_sensor
echo; echo
rm -f *.bin

Regards,

Viral shah

over 1 year ago

0 Jianzhong Xu over 1 year ago

TI__Guru 62290 points

Hello Viral,

1) Using Matlab code:

Viral Shah said:
In this, DCC tool throws an error.

Just to clarify, you entered output_LSC_LUT.txt as the LSC Input Table in the DCC tool. Is that right?

Would you mind sharing your lens spec file and the logs of running the Matlab code?

2) Using lens spec file directly in DCC tool:

Viral Shah said:
However, we are not able to see any changes.

Did you try to set the strength to 100% and see if there is any effect?

Regards,

Jianzhong

0 Gang Hua over 1 year ago

TI__Guru 67380 points

Hi Viral,

Viral Shah said:
. In this, DCC tool throws an error. Tool generated matlab_log.txt is attached below.

Do you mean you use "output_LSC_LUT.txt" as input to tuning tool LSC plugin and have this error?
That 2D LUT is not the correct input for LSC plugin.

Viral Shah said:
Using lens spec file directly in DCC tool: We are able to tune the LSC plugin and generate binary using below generate_dcc.sh shell script.

This spec file is the expected input for tuning tool.

Viral Shah said:
However, we are not able to see any changes.

Do you mean that you see no effect on your camera + EVM?
Could you please share how you tested it on EVM?

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang and Jianzhong,

1) I am testing the impact of LSC tuning by using a Diffuser. Upon flashing the LSC tuned binary I am not able to see any improvement on the vignetting effect. Below is a comparison of before and after tuned jpg images.

2) I also tried with setting the strength to 100% as suggested by Jianzhong but still am unable to see any impact in captured jpg images i.e. similar observation as above.

3) However, while tuning the plugin, generated output raw image seems to be corrected. Below is a comparison of the same. If I keep the Gamma=70, I am able to see below corrected RAW image. And if I keep Gamma=100, image is same as LSC untuned RAW image. Below are the RAW input vs output images for specified Gamma. I have kept strength = 100%

Gamma = 70:

Gamma = 90:

Gamma = 100:

4) Kindly verify and suggest which xml to be included in the generate_dcc.sh script attached earlier.

Thanks and Regards,

Viral Shah

0 Jianzhong Xu over 1 year ago in reply to Viral Shah

TI__Guru 62290 points

Hello Viral,

Viral Shah said:
4) Kindly verify and suggest which xml to be included in the generate_dcc.sh script attached earlier.

You should use both XML files:

$DCC_TOOL_PATH/dcc_gen_linux sensor_lsc_dcc.xml
$DCC_TOOL_PATH/dcc_gen_linux sensor_lsc_vpac3l_ext.xml

Viral Shah said:
Upon flashing the LSC tuned binary I am not able to see any improvement on the vignetting effect

Let me investigate this on my side. Please give me a day or two.

Viral Shah said:
If I keep the Gamma=70, I am able to see below corrected RAW image. And if I keep Gamma=100, image is same as LSC untuned RAW image.

Can you share your raw input image, output image of gamma=70, and output image of gamma=100?

Thank you.

Jianzhong

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Viral Shah said:
If I keep the Gamma=70, I am able to see below corrected RAW image.

If you have a linear sensor, you should set Gamma=100.

Gamma<100 is for WDR sensor with more than 16-bit dynamic range.
It will get all pixel values remapped in ISP.

Viral Shah said:
1) I am testing the impact of LSC tuning by using a Diffuser. Upon flashing the LSC tuned binary I am not able to see any improvement on the vignetting effect. Below is a comparison of before and after tuned jpg images.

There seem some artifacts on the top of the right image.

That looks close to a s/w bug we fixed previously on AM62A.
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1326992/am62a7-lsc-driver-issue-on-am62-platform?tisearch=e2e-sitesearch&keymatch=am62%20LSC#

Please check if you have an old version of AM62A SDK which includes that bug.

0 Jianzhong Xu over 1 year ago in reply to Gang Hua

TI__Guru 62290 points

Hello Viral,

I tried SDK 10.0 and could see the effect of LSC.

Regards,

Jianzhong

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang hua,

1) We are using SDK version 9.1.0. Is there any bug in this version with LSC.

If LSC bugs does exists in the 9.1.0 SDK, Can you provide the patch to fix the same as we are going to use 9.1.0 SDK for long term.

2) We are using AM62A7 SOC, How can we confirm that which VPAC is used at run time.
3) We are trying to do the changes of LSC changes on our custom board. Our custom board is having 1GB RAM. So, when we tried to do LSC changes and tried to flash the tispl.bin, board is giving the below error.

U-Boot SPL 2023.04-gb0d717b732 (Dec 06 2023 - 15:11:45 +0000)
SYSFW ABI: 3.1 (firmware rev 0x0009 '9.1.8--v09.01.08 (Kool Koala)')
am62a_init: board_init_f done
SPL initial stack usage: 17040 bytes
am62a_init: spl_boot_device: devstat = 0x164b bootmedia = 0x9 bootindex = 0
Trying to boot from MMC1
ti_sci system-controller@44043000: Message not acknowledgedAuthentication failed!
### ERROR ### Please RESET the board ###

Can you tell us what are the changes required for above error? Do we need to compile the tiboot3.bin as well. If yes, how can we do the same?

Thanks and Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Viral Shah said:
If LSC bugs does exists in the 9.1.0 SDK, Can you provide the patch to fix the same as we are going to use 9.1.0 SDK for long term.

The patch is available in e2e link I shared above (around the end of thread).

Re-pasting the link: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1326992/am62a7-lsc-driver-issue-on-am62-platform?tisearch=e2e-sitesearch&keymatch=am62%20LSC

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Viral Shah said:
2) We are using AM62A7 SOC, How can we confirm that which VPAC is used at run time.

AM62A has only VPAC and it is VPAC3L.

Viral Shah said:
3) We are trying to do the changes of LSC changes on our custom board. Our custom board is having 1GB RAM. So, when we tried to do LSC changes and tried to flash the tispl.bin, board is giving the below error.

What changes are you making?
I don't expect that changing LSC settings would give you any trouble.

Viral Shah said:
Can you tell us what are the changes required for above error? Do we need to compile the tiboot3.bin as well. If yes, how can we do the same?

None of LSC or VPAC related changes should cause any boot issues.
My friend Jianzhong Xu may have a better idea.

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Viral Shah said:
we are going to use 9.1.0 SDK for long term.

BTW, there might be quite many known issues with 9.1.0 for AM62A (related to VPAC/tiovx/gstreamer).
Therefore, I would prefer moving to a later SDK version if possible.

Jianzhong may have some advice.

0 Jianzhong Xu over 1 year ago in reply to Gang Hua

TI__Guru 62290 points

Viral Shah said:
So, when we tried to do LSC changes and tried to flash the tispl.bin, board is giving the below error.

How did you rebuild the tispl.bin? What were the changes?

Viral Shah said:
Can you provide the patch to fix the same as we are going to use 9.1.0 SDK for long term.

Since 9.1 SDK and 9.2 SDK use the same Linux LTS version 6.1, migrating from 9.1 to 9.2 shouldn't require too much effort. I'd recommend you to use 9.2.

Regards,

Jianzhong

0 Jay Kaneria over 1 year ago in reply to Jianzhong Xu

Intellectual 720 points

Hi Jianzhong,

I am from Viral's Team.

Jianzhong Xu said:
How did you rebuild the tispl.bin? What were the changes?

We have DDR changes. We have used other Part of DDR than EVK which is 1GB in size. So, we are making DDR changes in u-boot source code. Because EVM's u-boot which has 4GB DDR configuration won't work for our board.

After DDR changes in u-boot source tispl.bin, u-boot.img is getting generated but i didn't see tiboot3.bin in the same directory. I am suspecting that authentication is failling between tiboot3 and tispl.

Let us know your thoughts on this. If this is true, than how can we generate the tiboot3.bin. So, there won't be authentication issue.

Note:

Our DDR changes are working fine with yocto SDK and we are able to use our custom board with DDR changes since one and half month. So, DDR changes are fine and having above issue with TI FIRMWARE BUILDER and Processor SDK.

Regards,

Jay

0 Jianzhong Xu over 1 year ago in reply to Jay Kaneria

TI__Guru 62290 points

Hi Jay,

I looped in Yogesh to answer the questions about rebuilding the boot binaries.

Regards,

Jianzhong

0 Jay Kaneria over 1 year ago in reply to Jianzhong Xu

Intellectual 720 points

Hi Jianzhong,

Thank you for your reply.

Yogesh, let us know once you have details about how can be build boot binaries.

Regards,

Jay

0 Jay Kaneria over 1 year ago in reply to Jay Kaneria

Intellectual 720 points

Hi Jianzhong and Yogesh,

Is there any update on this case? Is this important for image tuning and we are working with time crunch. It will be very helpful if we can get reply on this as soon as possible.

Thanks,

Jay

0 Yogesh Siraswar over 1 year ago in reply to Jay Kaneria

TI__Mastermind 21495 points

Jay,

For any memory change you will need firmware builder package.

Let me know if you are following firmware builder user guide before making the changes.

Thanks

Yogesh

0 Jay Kaneria over 1 year ago in reply to Yogesh Siraswar

Intellectual 720 points

Hi Yogesh,

We have firmware builder package version 09.01.00.07. We are following the firmware builder guide as well. But we haven't seen the steps to build firmware builder SDK where DDR is of different size.

Let us know if we are missing anything from builder guide.

Regards,

Jay

0 Yogesh Siraswar over 1 year ago in reply to Jay Kaneria

TI__Mastermind 21495 points

Please check the section:

2.3. Understanding and Updating the memory map

2.3.3. Steps to update the memory map

Thanks

Yogesh

0 Jay Kaneria over 1 year ago in reply to Yogesh Siraswar

Intellectual 720 points

Hi Yogesh,

I have one question not related to this thread.

Will pre-build tiboot3.bin of SDK 09.01.00 work with pre-build tispl.bin of SDK 09.02.00? If these combination doesn't work than what could be the reason for this?

Regards,

Jay

0 Viral Shah over 1 year ago in reply to Jianzhong Xu

Prodigy 130 points

Hi Jianzhong,

Thanks for your support on the patches issue of LSC. Post applying the patches successfully, the issue seems to have resolved.

However, after tuning LSC from DCC tool I am observing ring like patterns in the image. I am attaching below the image for the same. Do you have any idea what could be causing this?

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Could you please share your LSC settings and the sample raw/yuv images?

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

LSC Tuning Settings

LSC RAW FILE

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Viral Shah said:
LSC RAW FILE

Could you please attach your raw/yuv images in a zip file?

Please also share all other input to the LSC plugin (LUT etc.).

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

LSC INPUT RAW FILE
LSC_INPUT_RAW_FILE.zip

LSC LUT INPUT TABLE

Fullscreen LSC_INPUT_LUT_TABLE.txt Download

0	1
40	0.999801
80	0.999203
120	0.99821
160	0.996824
200	0.995052
240	0.992897
280	0.990368
320	0.987471
360	0.984214
400	0.980606
440	0.976657
480	0.972374
520	0.96777
560	0.962853
600	0.957636
640	0.952129
680	0.946344
720	0.940294
760	0.93399
800	0.927446
840	0.920674
880	0.90717
920	0.899987
960	0.892616
1000	0.885069
1040	0.877355
1080	0.869486
1120	0.861473
1160	0.853236
1200	0.844952
1240	0.836551
1280	0.828041
1320	0.819431
1360	0.810731
1400	0.801947
1440	0.793089
1480	0.784164
1520	0.775181
1560	0.766149
1600	0.753213
1640	0.744172
1680	0.734314
1720	0.724166
1760	0.706876
1800	0.679381
1840	0.66969
1880	0.656643
1920	0.644322

If you require any additional information, please let me know.

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Thanks for sharing!

Is the shared raw image in 1920x1200 Bayer pattern and linear 10-bit format?

Do you have phase of the Bayer pattern (e.g., RGGB or GRBG)?

Also, you use 960x540 as the image center and 41 as black level.
Are them both accurate?

0 Gang Hua over 1 year ago in reply to Gang Hua

TI__Guru 67380 points

Hi Viral,

Viral Shah said:
LSC INPUT RAW FILE

This image is mostly saturated to 1023 and I cannot see the contours anyway.

Could you please share the other set of raw/yuv images where you see the contours?

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

Yes, we have now changed the resolution from 1920X1080 to 1920X1200.
Bayer Pattern - RGGB.
Updated LSC setting

UNTUNED_LSC_IMAGE.zip
TUNED_LSC_IMAGE.zip

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Thanks for sharing!

There is nothing I can do with the shared jpep images.
Could you please share your raw and yuv images (for VISS input and output) alone with your LSC xml file?

Your LSC table has some places that are not very smooth.

But, I don't expect those would cause serious issues.

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

PFA
RAW IMAGE
8640.LSC_INPUT_RAW_FILE.zip

LSC XML FILES
LSC XML FILES.zip

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

I am a little confused by the raw image you shared.

"8640.LSC_INPUT_RAW_FILE.zip" and "LSC_INPUT_RAW_FILE.zip" are the same raw image which is saturated to 1023 in most part of the frame.
Do you mean you get the contours as in the picture below with this as your input?

As your raw is saturated to 10-bit, the output with and without LSC should be very bright with little difference.

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

Do you mean you get the contours as in the picture below with this as your input?
Yes

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Viral Shah said:
Do you mean you get the contours as in the picture below with this as your input?
Yes

Are those from the your shared raw image?

I cannot reproduce the contours as the raw image is saturated to 1023 (i.e., in my share pictures above most of the image is purely white)..

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

I am still getting these patterns in both preview and snapshot. Is it possible for something else to cause this? If so, could you suggest what else can be the possible reason? PFA video and snapshot of the same.

LSC_Preview.zip

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Thanks for sharing the video!

There is saturation of the pixels in your video.
Could you please share some raw images under that condition?

The raw image you share previously is mostly saturated to 1023 (10-bit pixels) and therefore I am not able to reproduce any contours.

BTW, which IMX219 camera are you working on?

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

PFA RAW image for the video scenario. Configurations are: BPP: 10-bit, Resolution: 1920x1200.

Issue.zip

We have some more observations which may help you narrow down possible reasons for this behavior:

1) If we do not include LSC xmls while generating the bins, the circular patterns are visible but are comparatively light.

2) Upon increasing the values of the array present in sensor_name_lsc_dcc.xml to around and max 80, the patterns are more prominently visible.

3) Even after all values in the arrays present in sensor_name_lsc_dcc.xml are set to "1", we are able to see these patterns.

4) When using older tispl.bin (without your suggested changes), these patterns are visible. However, in bright light (approx. 1000 lux), these are not visible. For the latest tispl.bin the patterns are visible in same conditions.

5) With lsc tuned ( file: sensor_name_lsc_dcc.xml, both less values like around and max 5 and drastic values like around and max 80), upon using untuned blc xml, circular patterns are not visible.

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Thanks for the information!

Viral Shah said:
PFA RAW image for the video scenario. Configurations are: BPP: 10-bit, Resolution: 1920x1200.

Is this from AR0235 in GRBG color pattern or monochrome?
Is that a 10-bit linear sensor?

Viral Shah said:
1) If we do not include LSC xmls while generating the bins, the circular patterns are visible but are comparatively light.

2) Upon increasing the values of the array present in sensor_name_lsc_dcc.xml to around and max 80, the patterns are more prominently visible.

3) Even after all values in the arrays present in sensor_name_lsc_dcc.xml are set to "1", we are able to see these patterns.

In this case, LSC is probably not the main issue although it may amplify the problem a little bit more.
Something other VISS tuning you have might be the real cause.

Could you please start with a simple configuration similar to below using the python script?
https://git.ti.com/cgit/processor-sdk/imaging/tree/tools/default_DCC_profile_gen/configs/imx219_properties.txt?h=main
Let me know if you can see the contours with simple settings.

Viral Shah said:
Issue.zip

I don't see any contours using "LSC XML FILES" you shared previously and your new raw image.
That LSC settings have very small LSC gain anyway (<= 1.012x).

Viral Shah said:
narrow down possible reasons for this behavior:

In general, this typical of uniform gray gradient scene is difficult for noise filtering.
Strong noise filtering in this case could possibly cause contours which are noticeable when the scene is simply gray gradient.
For complex scenes, the effect of noise filtering might not be visible.

You may try disable NSF4 in your testing to check the difference as well.

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua, below are our observations. We have taken these observations using the project generated with IMX219 configurations shared by you:

1) 10-bit BPP binary gives barely visible rings in 10-bit BPP image. With same configurations, 8-bit BPP binary gives ring patterns in 8-bit BPP image. Here, LSC xmls are not included while generating the binary.

2) Upon using this 8-bit BPP binary to capture a 10-bit BPP image, the image gets over-exposed and rings are not visible. However, using a 10-bit BPP binary to capture an 8-bit BPP image, the resultant image is under-exposed and has rings pattern in it too. Here, LSC xmls are not included while generating the binary.

PS: in above binaries, nsf4 was default

3) Upon not using nsf4 xml for generating binaries, captured with 10-bit BPP binary, the 10-bit BPP image has barely visible rings. Using this binary, when a 8-bit BPP image is captured, it is under-exposed and has rings.

4) With nsf4 disabled (as above), captured with 8-bit BPP binary, the 8-bit BPP image has ring patterns in it. With this same binary, 10-bit BPP image is over-exposed and hence rings are not visible.

5) We tried capturing a 10-bit BPP image with a 10-bit BPP binary (LSC and NSF4 xmls excluded), as the brightness in the image decreases, ring patterns start to become visible. We have validated this by decreasing exposure.

6) Similarly, we tried capturing an 8-bit BPP image with an 8-bit BPP binary (LSC and NSF4 xmls excluded), as the image brightness increases, the circular patterns start to become less visible. We have validated this by increasing exposure.

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Thank you very much for sharing the test results!

Viral Shah said:
2) Upon using this 8-bit BPP binary to capture a 10-bit BPP image, the image gets over-exposed and rings are not visible. However, using a 10-bit BPP binary to capture an 8-bit BPP image, the resultant image is under-exposed and has rings pattern in it too. Here, LSC xmls are not included while generating the binary.

8-bit and 10-bit settings are for 8-bit sensor mode and 10-bit mode respectively.
We cannot really mix them up.

Viral Shah said:
1) 10-bit BPP binary gives barely visible rings in 10-bit BPP image. With same configurations, 8-bit BPP binary gives ring patterns in 8-bit BPP image. Here, LSC xmls are not included while generating the binary.

Viral Shah said:
3) Upon not using nsf4 xml for generating binaries, captured with 10-bit BPP binary, the 10-bit BPP image has barely visible rings.

Viral Shah said:
4) With nsf4 disabled (as above), captured with 8-bit BPP binary, the 8-bit BPP image has ring patterns in it.

This is close to my expectation.
In general, raw images are typically 10 or 12 bits for 8-bit YUV output with a typical encoding gamma correction curve.
8-bit raw images are not practical for 8-bit YUV output.
IMX219 8-bit tuning is provided in SDK because the IMX219 Linux supports the 8-bit raw capture mode.
We may ignore 8-bit capture in this discussion and focus only on 10-bit capture (I am not aware of any real use case of 8-bit raw image capture).

Viral Shah said:
5) We tried capturing a 10-bit BPP image with a 10-bit BPP binary (LSC and NSF4 xmls excluded), as the brightness in the image decreases, ring patterns start to become visible.

This is an interesting observation.

Without NSF4 xml file, VISS kernel should have set NSF4 off effectively by default.
https://git.ti.com/cgit/processor-sdk/imaging/tree/kernels/hwa/vpac_viss/vx_vpac_viss_target_defaults.c?h=main#n348
If the ring pattern appears, it should be a quantization issue.
But, I am not sure why it could appear while brightness is low without LSC or NSF4 turned on.

Do you have some sample raw and yuv images in this case?

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

PFA below the requested YUV and RAW images. Our use-case includes both 8-bit BPP and 10-bit BPP modes hence we need to take observations for both the modes into account.

TI_LSC.zip

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

How is your jpg file "10bit_less_exposure.jpg" created?

This is the G plan of the jpg file (contours are visible).

This is the Y plan of "10bit_less_exposure.yuv" (no contours).

This is the lossless png file created from "10bit_less_exposure.yuv" (no contours).

0 Gang Hua over 1 year ago in reply to Gang Hua

TI__Guru 67380 points

BTW, it looks like your sensor is monochrome.
Could you please confirm?

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

Yes, it is a monochrome sensor.

Regards,

Viral Shah

0 Viral Shah over 1 year ago in reply to Viral Shah

Prodigy 130 points

Hi Gang Hua,

We are using below gstreamer command to capture jpg image:

gst-launch-1.0 -v v4l2src device=/dev/video-rpi-cam0 io-mode=dmabuf-import ! video/x-bayer, width=1920, height=1200, framerate=30/1, format=rggb ! tiovxisp sink_0::device=/dev/v4l-rpi-subdev0 sensor-name="SENSOR_ABC" dcc-isp-file=/opt/imaging/sensor/dcc_viss.bin sink_0::dcc-2a-file=/opt/imaging/sensor/dcc_2a.bin format-msb=9 sink_0::ae-mode=2 ! video/x-raw, format=NV12, width=1920, height=1200, framerate=30/1 ! v4l2jpegenc output-io-mode=dmabuf-import ! multifilesink location=image.jpg

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Viral Shah said:
We are using below gstreamer command to capture jpg image:

I am not familiar with gstreamer, but it looks like the jpg compression created the contours when NSF4 is off.

Are you able to use "png" instead to confirm?

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

1) Can you please share your yuv image?

2) Kindly share an alternative (to gstreamer) for capturing a jpg image.

Regards,

Viral Shah

0 Viral Shah over 1 year ago in reply to Viral Shah

Prodigy 130 points

Hi Gang Hua,

Regarding the png file, I captured it using the below command and it shows ring patterns as well.

However, our focus is on jpg.

Regards,

Viral Shah

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Hi Viral,

Viral Shah said:
1) Can you please share your yuv image?

I was looking at the YUV image you shared ""10bit_less_exposure.yuv".
I suppose you captured it with gstreamer using ! filesink location=output.yuv

Now, I am not sure if my assumption was correct.

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Viral Shah said:
Regarding the png file, I captured it using the below command and it shows ring patterns as well.

Since PNG files are lossless, if you see ring pattern in them, then YUV files should have ring pattern.
I would need to confirm your VISS settings and VISS output again.

Viral Shah said:
gst-launch-1.0 -v v4l2src device=/dev/video-rpi-cam0 io-mode=dmabuf-import ! video/x-bayer, width=1920, height=1200, framerate=30/1, format=rggb ! tiovxisp sink_0::device=/dev/v4l-rpi-subdev0 sensor-name="SENSOR_ABC" dcc-isp-file=/opt/imaging/sensor/dcc_viss.bin sink_0::dcc-2a-file=/opt/imaging/sensor/dcc_2a.bin format-msb=9 sink_0::ae-mode=2 ! video/x-raw, format=NV12, width=1920, height=1200, framerate=30/1 ! v4l2jpegenc output-io-mode=dmabuf-import ! multifilesink location=image.png

Could you please share the following?

/opt/imaging/sensor/dcc_viss.bin
xml files for generating the above
image.png
YUV file captured instead of png

0 Gang Hua over 1 year ago in reply to Viral Shah

TI__Guru 67380 points

Viral Shah said:
1) Can you please share your yuv image?

This is the YUV I have previously with your raw sensor input, LSC settings, and other VISS settings from IMX219.

https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/791/o_5F00_1920x1200_5F00_nv12.yuv

0 Viral Shah over 1 year ago in reply to Gang Hua

Prodigy 130 points

Hi Gang Hua,

1) We have captured yuv using the dcc tool.

2) Please suggest an alternative (to gstreamer) of capturing jpg/png images.

3) Can you share how you are processing our raw image to generate yuv/png image?

4) PFA below the requested data:

xmls_binaries_generated_with_TI_provided_imx219_configs.zip

6866.TI.zip

Regards,

Viral Shah