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tf-gaussian-blur

v1.0.3

Published

A small gaussian blur library for tensorflow.js (tf.js)

Downloads

8

Readme

Gaussian blur for tf.js

This is a small, very fast library to execute image filters using Web.GL on any runtime supported by Tensorflow.js.

Demo

Install

npm install --save tf-gaussian-blur

Example

Create a kernel tensor.

This is a symetric (NxNx3x1) tensor that is convolved across an image tensor to generate a blur effect.

size determines the dimension of the kernel. The larger size the more surrounding pixels are included in the filter. size must be odd. Computation time increases exponentially as size increases.

sigma is optional and sets the standard deviation of the gaussian distribution. A higher sigma gives further pixels higher weight in the output.

const gaussianBlur = require("tf-gaussian-blur");

// get a 5x5 symetric gaussian filter
const size = 5
const sigma = 2
const kernel = blur.getGaussianKernel(size, sigma)

Apply the kernel to an image

var image = tf.browser.fromPixels(document.getElementById("img"))

var blurredImage = blur.blur(image, kernel)

tf.browser.toPixels(image,  document.getElementById("canvas"))