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Add canny match template test

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As we can pass matrix as template, detecting canny provide more robust
match if we only care about shape rather than contrast and color.
This commit is contained in:
Sen 2016-07-25 16:48:17 -04:00
parent e578cdb869
commit 495e06a591
1 changed files with 21 additions and 8 deletions
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29
test/unit.js
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@ -127,7 +127,6 @@ test(".norm", function(assert){
var errorL2 = im.norm(im2, cv.Constants.NORM_L2); var errorL2 = im.norm(im2, cv.Constants.NORM_L2);
assert.equal(errorL2, 7295.591339980605); assert.equal(errorL2, 7295.591339980605);
errorL2 = im.norm(im, cv.Constants.NORM_L2); errorL2 = im.norm(im, cv.Constants.NORM_L2);
assert.equal(errorL2, 0); assert.equal(errorL2, 0);
assert.end(); assert.end();
@ -368,15 +367,29 @@ test('Mean', function(assert) {
test('MatchTemplateByMatrix', function(assert) { test('MatchTemplateByMatrix', function(assert) {
var cv = require('../lib/opencv'); var cv = require('../lib/opencv');
cv.readImage("./examples/files/car1.jpg", function(err, target){ var targetFilename = "./examples/files/car1.jpg";
cv.readImage("./examples/files/car1_template.jpg", function(err, template){ var templateFilename = "./examples/files/car1_template.jpg";
var res = target.matchTemplateByMatrix(template, cv.Constants.TM_CCORR_NORMED); cv.readImage(targetFilename, function(err, target){
cv.readImage(templateFilename, function(err, template){
var TM_CCORR_NORMED = 3;
var res = target.matchTemplateByMatrix(template, TM_CCORR_NORMED);
var minMax = res.minMaxLoc(); var minMax = res.minMaxLoc();
var topLeft = minMax.maxLoc; var topLeft = minMax.maxLoc;
assert.ok(topLeft, "Found Match"); assert.ok(topLeft, "RGB Found Match");
console.log(topLeft.x === 717); assert.equal(topLeft.x, 42, "match location x === 42");
assert.equal(topLeft.x, 717, "match location x === 717"); assert.equal(topLeft.y, 263, "match location y === 263");
assert.equal(topLeft.y, 0, "match location y === 717"); target.canny(5,300);
template.canny(5,300);
res = target.matchTemplateByMatrix(template, TM_CCORR_NORMED);
minMax = res.minMaxLoc();
topLeft = minMax.maxLoc;
target.save("./target.png");
template.save("./template.png");
// res.rectangle([topLeft.x, topLeft.y], [template.width(), template.height()], [0, 255,0], 2);
res.save("./result.png");
assert.ok(topLeft, "Canny edge Found Match");
assert.equal(topLeft.x, 42, "match location x === 42");
assert.equal(topLeft.y, 263, "match location y === 263");
assert.end(); assert.end();
}); });
}) })