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Test.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>OpenCV.JS Test</title>
</head>
<body>
<h2>OpenCV.JS Test</h2>
<!-- <script defer src="numeric-1.2.6.js"></script> -->
<!-- <script defer src="lalolib.js"></script> -->
<!-- <script src="JS_Mat.js"></script> -->
<script type="text/javascript">
function onOpenCVReady() {
// let classifier = new cv.CascadeClassifier();
// classifier.load('haarcascade_frontalface_default.xml');
a = new cv.ORB()
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// a = new cv.DMatchVector()
console.log("dst::" + a.getDefaultName());
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = new cv.Mat();
// cv.add(mat1, mat2, dst);
// mat1.delete(), mat2.delete(); //Don't forget to delete cv.Mat when you don't want to use it any more.
// console.log("dst::" + dst.data32F);//dst::2,4,6,8,10,12,14,16,18
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.addConstant(10);
// mat1.delete();
// console.log("dst::" + dst.data32F);//dst::11,12,13,14,15,16,17,18,19
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = new cv.Mat();
// cv.subtract(mat1, mat2, dst);
// mat1.delete(), mat2.delete(); //Don't forget to delete cv.Mat when you don't want to use it any more.
// console.log("dst::" + dst.data32F);//dst::0,0,0,0,0,0,0,0,0
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.constantSubtract(10);
// mat1.delete();
// console.log("dst::" + dst.data32F);//dst::9,8,7,6,5,4,3,2,1
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// // let dst = new cv.Mat();
// // cv.mul(mat1, mat2, dst);
// // let dst = cv.mul2(mat1, mat2);
// let dst = mat1.mul3(mat2);
// mat1.delete(), mat2.delete(); //Don't forget to delete cv.Mat when you don't want to use it any more.
// console.log("dst::" + dst.data32F);//dst::30,36,42,66,81,96,102,126,150
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// console.time("roi2");
// for (var i = 1; i < 1000000; i++) {
// // let dst = new cv.Mat();
// // cv.mul(mat1, mat2, dst);
// // let dst = cv.mul2(mat1, mat2);
// let dst = mat1.mul3(mat2);
// }
// console.timeEnd("roi2");
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.mul(mat2, 2);
// mat1.delete(), mat2.delete();
// console.log("dst::" + dst.data32F);//dst::2,8,18,32,50,72,98,128,162
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = new cv.Mat();
// cv.mulConstant(mat1, 10, dst);
// mat1.delete();
// console.log("dst::" + dst.data32F);//dst::10,20,30,40,50,60,70,80,90
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = new cv.Mat();
// cv.divide(mat1, mat2, dst);
// mat1.delete(), mat2.delete(); //Don't forget to delete cv.Mat when you don't want to use it any more.
// console.log("dst::" + dst.data32F);//dst::1,1,1,1,1,1,1,1,1
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.constantDivide(10);
// mat1.delete();
// console.log("dst::" + dst.data32F);
//dst::10,5,3.3333332538604736,2.5,2,1.6666666269302368,1.4285714626312256,1.25,1.1111111640930176
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.reshape(1);
// mat1.delete();
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);//dst::1,2,3,4,5,6,7,8,9:::1:::9
// dst.delete();
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let sum = mat1.sum();
// console.log("mat111::" + sum);//dst::16.881943016134134
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// console.time("roi2");
// for (var i = 1; i < 10000000; i++) {
// // var dst2 = cv.sum2(mat2);
// var dst2 = mat2.sum();
// }
// console.timeEnd("roi2");
// let dst = cv.norm(mat1);
// mat1.delete();
// console.log("dst::" + dst);//dst::16.881943016134134
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[9,10,11,12,13,14,15,16,17]);
// let dst2 = cv.norm2(mat1, mat2);
// mat1.delete(), mat2.delete();
// console.log("dst2::" + dst2);//dst2::24
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = cv.diag(mat1);
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);//dst::1,5,9:::3:::1
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// console.log("dst::" + mat1.type());
// console.log("cvcvcv::" + cv.CV_32FC2);
// let rect1 = new cv.Rect(1, 1, 2, 2);
// let dst = mat1.Diag();
// // console.time("roi");
// // for (var i = 1; i < 100000; i++) {
// // let dst = cv.diag(mat1);
// // }
// // console.timeEnd("roi");
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.vconcat(mat1);
// cv.vconcat(mat1, mat1, dst);
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
//dst::1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9:::6:::3
// console.log("dst::" + mat1.PTR(1));
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = new cv.Mat();
// cv.hconcat(mat1, mat1, dst);
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
// //dst::1,2,3,1,2,3,4,5,6,4,5,6,7,8,9,7,8,9:::3:::6
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.col(2);
// // mat1.delete();
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
//dst::7,8,9:::1:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = cv.col(mat1, 2);
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
// //dst::3,6,9:::3:::1
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = cv.MDS(mat1);
// mat1.delete();
// console.log("dst::" + dst.m + ":::" + dst.d + ":::" + dst.s);
// //dst::5:::16,9,4,1,0,1,4,9,16:::2.581988897471611
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let rect1 = new cv.Rect(1, 1, 2, 2)
// let dst = cv.roi(mat1, rect1);
// mat1.delete();
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
// //dst::5,6,8,9:::2:::2
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let src1Array = [[1,2,3],[4,5,6],[7,8,9]];
// for (var i = 0; i < mat1.rows; ++i)
// {
// src1Array[i] = mat1.PTR(i);
// }
// console.log("src1Array::" + src1Array.length)
let svd = numeric.svd([[1,2,3],[4,5,6],[7,8,9]]);
console.log("svd.U::" + svd.U)
console.log("svd.S::" + svd.S)
console.log("svd.V::" + svd.V)
let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
let s = mat1.svd();
console.log("sssss::" + s.u.data32F + ":::" + s.w.data32F + "::::" + s.vt.data32F);
//sssss::-0.2148372381925583,-0.8872306942939758,-0.40824830532073975,-0.5205873847007751,-0.2496439516544342,0.8164966106414795,-0.8263375163078308,0.3879427909851074,-0.40824830532073975:::16.848102569580078,1.0683695077896118,0::::-0.4796711802482605,-0.572367787361145,-0.6650643944740295,0.7766910195350647,0.07568646967411041,-0.6253180503845215,0.40824830532073975,-0.8164966106414795,0.40824830532073975
// let arr1 = [1,2,3,4,5,6,7,8,9];
// let dst = cv.RodriguesFromArray(arr1);
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
//dst::-0.694920539855957,0.7135210037231445,0.08929285407066345,-0.19200697541236877,-0.3037850260734558,0.9331923723220825,0.6929781436920166,0.6313496828079224,0.34810739755630493:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.RodriguesFromMat();
// console.log("dst::" + dst);
// //dst::1.1046628653680794,1.738419705279746,2.372176486533247
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let dst = mat1.dftSplit();
// console.log("dst::" + dst.r.data32F + ":::" + dst.i.data32F);
// //dst::1,3,0,4,6,0,0,8,0:::0,3,0,7,9,0,0,9,0
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let rect1 = new cv.Rect(1, 1, 2, 2);
// let rectmat = cv.matFromArray(2,2,cv.CV_32FC1,[11,12,13,14]);
// mat1.replaceMatOnRect(rectmat, rect1);
// console.log("mat1::" + mat1.data32F + ":::" + mat1.rows + ":::" + mat1.cols);
//mat1::1,2,3,4,11,12,7,13,14:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// cv.replaceMatOnRow(mat1, [11,12,13], 1);
// console.log("mat1::" + mat1.data32F + ":::" + mat1.rows + ":::" + mat1.cols);
// //mat1::1,2,3,11,12,13,7,8,9:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// mat1.replaceMatOnCol([11,12,13], 1);
// console.log("mat1::" + mat1.data32F + ":::" + mat1.rows + ":::" + mat1.cols);
//mat1::1,11,3,4,12,6,7,13,9:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// cv.replaceMatOnPoint(mat1, 30, {x:1,y:1});
// console.log("mat1::" + mat1.data32F + ":::" + mat1.rows + ":::" + mat1.cols);
// //mat1::1,11,3,4,12,6,7,13,9:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// cv.addOnCol(mat1, 30, 1);
// console.log("mat1::" + mat1.data32F + ":::" + mat1.rows + ":::" + mat1.cols);
// //mat1::1,11,3,4,12,6,7,13,9:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let rect1 = new cv.Rect(1, 1, 2, 2);
// let rectmat = cv.matFromArray(2,2,cv.CV_32FC1,[11,12,13,14]);
// cv.rectAdd(mat1, rectmat, rect1);
// console.log("mat1::" + mat1.data32F + ":::" + mat1.rows + ":::" + mat1.cols);
// //mat1::1,2,3,4,11,12,7,13,14:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let rect1 = new cv.Rect(1, 1, 2, 2);
// let rectmat = cv.matFromArray(2,2,cv.CV_32FC1,[11,12,13,14]);
// cv.rectSubtract(mat1, rectmat, rect1);
// console.log("mat1::" + mat1.data32F + ":::" + mat1.rows + ":::" + mat1.cols);
// //mat1::1,2,3,4,11,12,7,13,14:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[9,10,11,12,13,14,15,16,17]);
// let dst = cv.mulSpectrums(mat1, mat2, true);
// mat1.delete(), mat2.delete();
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
//dst::9,8.96831017167883e-44,66,153,4.624284932271896e-44,237,NaN,1.2534558711446916e-39,NaN:::3:::3
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let aaaa = mat1.channels();
// console.log("aaaa::" + aaaa);
// let mat1_2channels = cv.matFromArray(3,3,cv.CV_32FC2,[1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9]);
// let mat2_2channels = cv.matFromArray(3,3,cv.CV_32FC2,[9,10,11,12,13,14,15,16,17,9,10,11,12,13,14,15,16,17]);
// let dst = cv.mulSpectrums2Channel(mat1_2channels, mat2_2channels, true);
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols + ":::" + dst.channels());
//dst::29,8.96831017167883e-44,81,233,4.624284932271896e-44,162,NaN,1.2534558711446916e-39,NaN:::3:::3:::1
// let mat1 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let rect1 = new cv.Rect(1, 1, 2, 2);
// console.time("roi");
// for (var i = 1; i < 100000; i++) {
// var dst1 = mat1.roi(rect1);
// }
// console.timeEnd("roi");
// let mat2 = cv.matFromArray(3,3,cv.CV_32FC1,[1,2,3,4,5,6,7,8,9]);
// let rect2 = new cv.Rect(1, 1, 2, 2);
// console.time("roi2");
// for (var i = 1; i < 10000; i++) {
// var dst2 = cv.roi2(mat2, rect2);
// }
// console.timeEnd("roi2");
// mat2.convertTo(mat2, cv.CV_32FC2);
// console.log("mat2::" + mat2.data32F + ":::" + mat2.rows + ":::" + mat2.cols);
// mat1.delete();
// console.log("dst::" + dst.data32F + ":::" + dst.rows + ":::" + dst.cols);
//dst::5,6,8,9:::2:::2
}
</script>
<script async src="opencv.js" onload="onOpenCVReady();" type="text/javascript"></script>
</body>
</html>