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@mjdietzx
mjdietzx / cross_entropy_loss.py
Created August 3, 2017 20:27
Cross entropy loss pytorch implementation
import torch
from torch import autograd
from torch import nn
class CrossEntropyLoss(nn.Module):
"""
This criterion (`CrossEntropyLoss`) combines `LogSoftMax` and `NLLLoss` in one single class.
NOTE: Computes per-element losses for a mini-batch (instead of the average loss over the entire mini-batch).
@wllhf
wllhf / VOClabelcolormap.py
Last active March 28, 2024 09:11
Python implementation of the color map function for the PASCAL VOC data set.
"""
Python implementation of the color map function for the PASCAL VOC data set.
Official Matlab version can be found in the PASCAL VOC devkit
http://host.robots.ox.ac.uk/pascal/VOC/voc2012/index.html#devkit
"""
import numpy as np
from skimage.io import imshow
import matplotlib.pyplot as plt
def color_map(N=256, normalized=False):