JavaScript OpenCV 边缘检测

解释

• https://en.wikipedia.org/wiki/Hough_transform

示例

• https://docs.opencv.org/3.4/js_houghlines_HoughLinesP.html

使用

let src = cv.imread('canvasInput');
let dst = new cv.Mat();
cv.cvtColor(src, src, cv.COLOR_RGB2GRAY, 0);
// You can try more different parameters
cv.Canny(src, dst, 50, 100, 3, false);
cv.imshow('canvasOutput', dst);
src.delete(); dst.delete();

参考文章

• https://docs.opencv.org/3.4/d7/de1/tutorial_js_canny.html