Args: psf: NxCxhxw shape: [H,W] Returns: otf: NxCxHxWx2

Convert point-spread function to optical transfer function. Compute the Fast Fourier Transform (FFT) of the point-spread function (PSF) a

R1 regularization for discriminator. The core idea is to penalize the gradient on real data alone: when the generator distribution pro

# ---------------------------------------- # usage: net.apply(regularizer_clip) # ----------------------------------------

# ---------------------------------------- # SVD Orthogonal Regularization # ---------------------------------------- # Applies regul

# ---------------------------------------- # Applies regularization to the training by performing the # orthogonalization technique descr

A method that will be available after add_activation_counting_methods() is called on a desired net object. Resets statistics computed so

A method that will be available after add_flops_counting_methods() is called on a desired net object. Resets statistics computed so far.

same as matlab rgb2ycbcr only_y: only return Y channel Input: uint8, [0, 255] float, [0, 1]

shift pixel for super-resolution with different scale factors Args: x: WxHxC or WxH, image or kernel sf: scale factor uppe

x: PCA projection matrix, e.g., 15x225

split the large images from original_dataroot into small overlapped images with size (p_size)x(p_size), and save them into taget_dataroot; o

A method that will be available after add_activation_counting_methods() is called on a desired net object. Activates the computation of

A method that will be available after add_flops_counting_methods() is called on a desired net object. Activates the computation of mean

A method that will be available after add_activation_counting_methods() is called on a desired net object. Stops computing the mean acti

A method that will be available after add_flops_counting_methods() is called on a desired net object. Stops computing the mean flops con

Converts a torch Tensor into an image Numpy array of BGR channel order Input: 4D(B,(3/1),H,W), 3D(C,H,W), or 2D(H,W), any range, RGB channel

same as matlab ycbcr2rgb Input: uint8, [0, 255] float, [0, 1]