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Modify get noise param accordingly

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Haohua-Lyu 3 years ago
parent 12d9ef5593
commit 89ad353e1a
1 changed files with 1 additions and 67 deletions
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68
src/merge.cpp
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@ -377,73 +377,7 @@ std::pair<double, double> merge::getNoiseParams( int ISO, \
double black_level )
{
double lambda_shot, lambda_read;
std::tie(lambda_shot, lambda_read) = merge::getNoiseParams(ISO, white_level, black_level);
// cv::Mat outputImg = reference_image.clone();
// cv::cvtColor(outputImg, outputImg, cv::COLOR_GRAY2RGB);
// cv::imwrite("ref.jpg", outputImg);
// cv::Mat outputImg1 = reference_tiles[0].clone();
// cv::cvtColor(outputImg1, outputImg1, cv::COLOR_GRAY2RGB);
// cv::imwrite("tile0.jpg", outputImg1);
}
std::pair<double, double> merge::getNoiseParams( int ISO, \
int white_level, \
double black_level )
{
// Set ISO to 100 if not positive
ISO = ISO <= 0 ? 100 : ISO;
// Calculate shot noise and read noise parameters w.r.t ISO 100
double lambda_shot_p = ISO / 100.0f * baseline_lambda_shot;
double lambda_read_p = (ISO / 100.0f) * (ISO / 100.0f) * baseline_lambda_read;
// Rescale shot and read noise to normal range
double lambda_shot = lambda_shot_p * (white_level - black_level);
double lambda_read = lambda_read_p * (white_level - black_level) * (white_level - black_level);
// return pair
return std::make_pair(lambda_shot, lambda_read);
}
std::pair<double, double> merge::getNoiseParams( int ISO, \
int white_level, \
double black_level )
{
// Set ISO to 100 if not positive
ISO = ISO <= 0 ? 100 : ISO;
// Calculate shot noise and read noise parameters w.r.t ISO 100
double lambda_shot_p = ISO / 100.0f * baseline_lambda_shot;
double lambda_read_p = (ISO / 100.0f) * (ISO / 100.0f) * baseline_lambda_read;
// Rescale shot and read noise to normal range
double lambda_shot = lambda_shot_p * (white_level - black_level);
double lambda_read = lambda_read_p * (white_level - black_level) * (white_level - black_level);
// return pair
return std::make_pair(lambda_shot, lambda_read);
}
std::pair<double, double> merge::getNoiseParams( int ISO, \
int white_level, \
double black_level )
{
// Set ISO to 100 if not positive
ISO = ISO <= 0 ? 100 : ISO;
// Calculate shot noise and read noise parameters w.r.t ISO 100
double lambda_shot_p = ISO / 100.0f * baseline_lambda_shot;
double lambda_read_p = (ISO / 100.0f) * (ISO / 100.0f) * baseline_lambda_read;
// Rescale shot and read noise to normal range
double lambda_shot = lambda_shot_p * (white_level - black_level);
double lambda_read = lambda_read_p * (white_level - black_level) * (white_level - black_level);
// return pair
return std::make_pair(lambda_shot, lambda_read);
std::tie(lambda_shot, lambda_read) = burst_images.bayer_images[burst_images.reference_image_idx].get_noise_params();
}
} // namespace hdrplus

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