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[参考译文] TDA4VM:在 WDR 模式下、YUV 图像全为黑色

Guru**** 2357750 points
请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1509704/tda4vm-in-wdr-mode-the-yuv-image-is-all-black

器件型号:TDA4VM

工具/软件:

在 WDR 模式下、OX03C10+TDA4输出的 YUV 图像根本不显示物体或图像信息。 除了一些灯,它几乎完全是黑色的

原始:

YUV:

      光线清晰可见。

我的 GCCconfig 文件

SENSOR_ID 390
PRJ_DIR ../imx390_output
SENSOR_NAME imx390
SENSOR_DCC_NAME IMX390-UB953_D3

SENSOR_WIDTH 1920
SENSOR_HEIGHT 1080

# 0=RGGB; 1=GRBG; 2=GBRG; 3=BGGR, 4=MONO
COLOR_PATTERN 3

# sensor mode: 0 for linear (no decompanding), 1 for WDR (decompanding)
WDR_MODE 1

# raw sensor image BIT_DEPTH: it may be 8, 10, or 12 for linear sensors; typically 12 for WDR mode because of companding
BIT_DEPTH 12

# WDR BIT_DEPTH: WDR raw sensor image bitdepth after decompanding, typically 20 or 24
WDR_BIT_DEPTH 24

# WDR decompanding knee points (comma separated without spaces in between)
#WDR_KNEE_X 0,512,1408,2176,4095,65535
#WDR_KNEE_Y 0,2048,16384,65536,1048063,1048063
WDR_KNEE_X 512,767,1023,1279,1535,1663,1791,1919,2047,2175,2303,2431,2559,2687,2815,2943,3071,3135,3199,3263,3327,3391,3455,3519,3583,3625,3711,3775,3839,3903,3967,4009,4095
WDR_KNEE_Y 511,1023,2047,3071,4095,6143,8191,12287,16383,24575,32767,49151,65535,98303,131071,196607,262143,393215,524287,786431,1048575,1310719,1572863,2097151,2621439,3145727,4194303,5242879,6291455,8388607,10485759,12582911,16777215

# Sensor black level to subtract before decompanding (for linear sensors only and some Sony WDR sensors)
BLACK_PRE  0

# Sensor black level to subtract after decompanding (for most WDR sensors and all linear sensors)
BLACK_POST  0

# GAMMA value for compressing 20/24-bit WDR raw to 16-bit ISP internal
# typically around 50 (0.5) for 24-bit WDR sensors and 70 (0.7) for 20-bit sensors
GAMMA_PRE 70

# LSB location for H3A input bit range (from bit-H3A_INPUT_LSB to bit-H3A_INPUT_LSB+9) 
H3A_INPUT_LSB 2

我的 XML 文件:

e2e.ti.com/.../4431.XML.zip

如果您需要任何其他信息、请告知我、我将尽快提供