diff image utils
Diff image to check whether objects have changed.
Depends on SSIM and opencv.
Install
install opencv 3.x
For linux
git clone https://github.com/opencv/opencv
mkdir opencv/build
cd opencv/build
cmake ..
sudo make install
For mac
brew tap homebrew/science
brew install opencv@3
brew link --force opencv@3
install npm package
npm install @sigodenjs/imagediff
Usage
const { diffFactor, diffImage } = require('..');
const img1 = fs.readFileSync("img1.jpg");
const img2 = fs.readFileSync("img2.jpg");
const factor = diffFactor(img1, img2);
const img = diffImage(img1, img2);
fs.writeFileSync("/tmp/imgdiff.jpg", img);
img1 | img2 | diff | score |
---|---|---|---|
0.047 | |||
0 |
License
Copyright (c) 2018 sigoden
Licensed under the MIT license.