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AM5718: Opencv Version for DSP usage

Part Number: AM5718

Hello dear TI Team,

we are using the IDKAM5718 for image processing.

We could without problems let the examples from your website run (See 3.12.3. OpenCL offload) where some opencv functions are offloaded to the DSP with the OpenCL implementation of the OpenCv function.

Unfortunately our current application uses OpenCv 4.1.1.

  • We were wondering since you mentioned only opencv3.1 in your documentation (See 3.12 OpenCV) if it is only possible to use the DSP with this Version.

If no, would it be possible to compile OpenCv 4.1.1 with the compiler  gcc-arm-none-eabi-7-2018-q2-update? Would it also use the DSP for specific functions using UMat?

Did you tried that before? is the compiled version publicly available? Do we need to compile it with the compiler mentioned above?

If it is only possible with OpenCv 3.1, I guess you have compiled it with the mentioned compiler above, can we download that version somewhere ?

And just to make sure I understand the principle from the usage of the DSP and the CPU correlty

  • .By using the UMat and enabling DSP usage we can achieve an "await/async" behavior of the code where to offloaded function is not blocking until the return value is needed?

Thank you for the information.