Utilz

Collection of helper Python, PyTorch functions:

Mean & std:

• mean_std.py: Computing mean and std of train dataset per channels. #PyTorch

Converting:

• Tensor >> Numpy >> Image. #Pytorch
• RGB << >> YCbCr. #Python

Normalizing:

• Normalizing 4-dim or 3-dim tensor to [0, 1] , [0, 255], [-1, 1]

Metrics:

• PSNR: Computing Peak Signal-to-Noise Ratio between images(sightly different from matlab version). #python
• SSIM: Measuring the structural similarity between images(same as Matlab). #Python

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