diff options
Diffstat (limited to 'src/ipa/ipu3/algorithms/agc.cpp')
| -rw-r--r-- | src/ipa/ipu3/algorithms/agc.cpp | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/ipa/ipu3/algorithms/agc.cpp b/src/ipa/ipu3/algorithms/agc.cpp index 46669203..39d0aebb 100644 --- a/src/ipa/ipu3/algorithms/agc.cpp +++ b/src/ipa/ipu3/algorithms/agc.cpp @@ -178,18 +178,16 @@ Histogram Agc::parseStatistics(const ipu3_uapi_stats_3a *stats, */ double Agc::estimateLuminance(double gain) const { - double redSum = 0, greenSum = 0, blueSum = 0; + RGB<double> sum{ 0.0 }; for (unsigned int i = 0; i < rgbTriples_.size(); i++) { - redSum += std::min(std::get<0>(rgbTriples_[i]) * gain, 255.0); - greenSum += std::min(std::get<1>(rgbTriples_[i]) * gain, 255.0); - blueSum += std::min(std::get<2>(rgbTriples_[i]) * gain, 255.0); + sum.r() += std::min(std::get<0>(rgbTriples_[i]) * gain, 255.0); + sum.g() += std::min(std::get<1>(rgbTriples_[i]) * gain, 255.0); + sum.b() += std::min(std::get<2>(rgbTriples_[i]) * gain, 255.0); } - double ySum = rec601LuminanceFromRGB(redSum * rGain_, - greenSum * gGain_, - blueSum * bGain_); - + RGB<double> gains{{ rGain_, gGain_, bGain_ }}; + double ySum = rec601LuminanceFromRGB(sum * gains); return ySum / (bdsGrid_.height * bdsGrid_.width) / 255; } |