Zygmunt Zając zygmuntz

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zygmuntz / mnist_siamese_graph_mod.py

Last active May 1, 2020 19:20

A Siamese network example modified to use weighted L1 distance and cross-entropy loss.

	#!/usr/bin/env python

	"""
	A Siamese network example modified to use weighted L1 distance and cross-entropy loss, as in
	Siamese Neural Networks for One-shot Image Recognition
	http://www.cs.toronto.edu/~rsalakhu/papers/oneshot1.pdf

	"""

zygmuntz / one_hot.m

Created October 11, 2013 18:31

One way of doing one-hot encoding in Matlab

	% y is a vector of labels
	y_one_hot = zeros( size( y, 1 ), n_classes );

	% assuming class labels start from one
	for i = 1:n_classes
	rows = y == i;
	y_one_hot( rows, i ) = 1;
	end