Grab a RAW image in the light box. RAW image has been overexposed, but the image after VPAC processing looks normal.
The image on the left is a RAW ,the left on the right is a YUV.
rar is raw
sensor mode:
HDR4 ,The data is compressed from 24 bits to 12 bits on the sensor.
compand knee point:
this is decompand's txt.
0, 0, 0, 174, 238, 286, 326, 360, 391, 419, 445, 469, 492, 514, 534, 554, 573, 591, 608, 625, 642, 657, 673, 688, 702, 716, 730, 744, 757, 770, 783, 795, 807, 819, 831, 843, 854, 865, 877, 887, 898, 909, 919, 929, 940, 950, 959, 969, 979, 988, 998, 1007, 1016, 1025, 1034, 1043, 1052, 1061, 1069, 1078, 1086, 1095, 1103, 1111, 1121, 1184, 1243, 1299, 1352, 1402, 1451, 1497, 1546, 1711, 1858, 1992, 2120, 2344, 2544, 2727, 2901, 3206, 3480, 3729, 3966, 4383, 4756, 5097, 5421, 5990, 6499, 6964, 7407, 8184, 8880, 9515, 10119, 11181, 12131, 12998, 13824, 15274, 16572, 17757, 18885, 20865, 22639, 24257, 25798, 28503, 30926, 33137, 35180, 37088, 38883, 40582, 42198, 43741, 45221, 46644, 48058, 50664, 53116, 55436, 57644, 59753, 61774, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 63718, 65471,
Please help to analyze the reason,thanks~