mcchae

# USAGE
# python image_diff.py --first images/original_01.png --second images/modified_01.png

# import the necessary packages
from skimage.measure import compare_ssim
import argparse
import imutils
import cv2

# construct the argument parse and parse the arguments

uchidama

N-McA

def tf_pca(x):
    '''
        Compute PCA on the bottom two dimensions of x,
        eg assuming dims = [..., observations, features]
    '''
    # Center
    x -= tf.reduce_mean(x, -2, keepdims=True)

    # Currently, the GPU implementation of SVD is awful.
    # It is slower than moving data back to CPU to SVD there

colllin

# Based on https://github.com/pytorch/pytorch/pull/3740
import torch
import math

class AdamW(torch.optim.Optimizer):
    """Implements AdamW algorithm.

    It has been proposed in `Fixing Weight Decay Regularization in Adam`_.

    Arguments:

andy-thomason

Genomics - A programmer's guide.

Andy Thomason is a Senior Programmer at Genomics PLC. He has been witing graphics systems, games and compilers since the '70s and specialises in code performance.

https://www.genomicsplc.com