Peak signal-to-noise ratio, often abbreviated PSNR, is an engineering term for the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its representation. Because many signals have a very wide dynamic range, PSNR is usually expressed in terms of the logarithmic decibel scale.
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Ravi kant (2024). PSNR of Image (https://www.mathworks.com/matlabcentral/fileexchange/45503-psnr-of-image), MATLAB Central File Exchange. Retrieved .
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