INNER CODE UNIT · C++

psnr

royshil/obs-backgroundremoval · src/background-filter.cpp:564

			double psnr = cv::PSNR(tf->lastImageBGRA, imageBGRA);

			if (psnr > tf->imageSimilarityThreshold) {
				// The image is almost the same as the previous one. Skip processing.
				return;
			}
		}
		tf->lastImageBGRA = imageBGRA.clone();
	}

	if (tf->backgroundMask.empty()) {
		// First frame. Initialize the background mask.
		tf->backgroundMask = cv::Mat(imageBGRA.size(), CV_8UC1, cv::Scalar(255));
	}

	tf->maskEveryXFramesCount++;
	tf->maskEveryXFramesCount %= tf->maskEveryXFrames;

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