@paddlejs-mediapipe/opencv

lightweight opencv.js

Usage no npm install needed!

<script type="module">
  import paddlejsMediapipeOpencv from 'https://cdn.skypack.dev/@paddlejs-mediapipe/opencv';
</script>

README

中文版

opencv_blur.js

A lightweight npm package which just includes modules core imgproc js video. Modify the opencv build_js script to package a few modules and api.

opencv.js

Opencv3.4 contains most of the commonly used APIs, supporting cv.boxPoints api.

opencv_ocr.js

Encapsulate the opencv API used by ocr module.

modules

OpenCV modules: -- To be built: core imgproc js video -- Disabled: calib3d dnn features2d flann highgui imgcodecs ml photo stitching videoio world -- Disabled by dependency: objdetect -- Unavailable: gapi java python2 python3 ts -- Applications: - -- Documentation: js -- Non-free algorithms: NO

npm

npm install @paddlejs-mediapipe/opencv

Usage

import cv from '@paddlejs-mediapipe/opencv/library/opencv_blur';
let logit = cv.imread('canvas');
let dst = new cv.Mat();
let ksize = new cv.Size(5, 5);
let anchor = new cv.Point(-1, -1);
cv.blur(logit, dst, ksize, anchor, cv.BORDER_DEFAULT);

tips

1、cv.mean api has precision error when calculating floating-point numbers