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@biovisualize
biovisualize / index.html
Last active February 21, 2023 21:08
Fast pixel drawing on canvas
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="http://d3js.org/d3.v3.min.js"></script>
<style type="text/css">
</style>
</head>
@fmder
fmder / elastic_transform.py
Last active August 22, 2021 14:54
Elastic transformation of an image in Python
import numpy
from scipy.ndimage.interpolation import map_coordinates
from scipy.ndimage.filters import gaussian_filter
def elastic_transform(image, alpha, sigma, random_state=None):
"""Elastic deformation of images as described in [Simard2003]_.
.. [Simard2003] Simard, Steinkraus and Platt, "Best Practices for
Convolutional Neural Networks applied to Visual Document Analysis", in