Module psnr

Peak Signal-to-Noise Ratio metric.

PSNR is most easily defined via the mean squared error between two images.

See https://en.wikipedia.org/wiki/Peak_signal-to-noise_ratio for more details.

Functions

calculate_frame_psnr

Calculates the PSNR for two video frames. Higher is better.

calculate_video_apsnr

Calculates the APSNR for two videos. Higher is better.

calculate_video_psnr

Calculates the PSNR for two videos. Higher is better.