diff options
| -rw-r--r-- | src/ipa/rkisp1/algorithms/awb.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/algorithms/awb.cpp b/src/ipa/rkisp1/algorithms/awb.cpp index e491cf75..694d97cc 100644 --- a/src/ipa/rkisp1/algorithms/awb.cpp +++ b/src/ipa/rkisp1/algorithms/awb.cpp @@ -207,6 +207,15 @@ void Awb::process(IPAContext &context, double greenMean = 1.1636 * yMean - 0.4045 * cbMean - 0.7949 * crMean; double blueMean = 1.1636 * yMean + 1.9912 * cbMean - 0.0250 * crMean; + /* + * The ISP computes the AWB means after applying the colour gains, + * divide by the gains that were used to get the raw means from the + * sensor. + */ + redMean /= frameContext.awb.gains.red; + greenMean /= frameContext.awb.gains.green; + blueMean /= frameContext.awb.gains.blue; + frameContext.awb.temperatureK = estimateCCT(redMean, greenMean, blueMean); /* Estimate the red and blue gains to apply in a grey world. */ |