Merge pull request #24477 from asmorkalov:as/SimpleBlobDetector_js

Add JavaScript bindings for SimpleBlobDetector

modules/js/src/core_bindings.cpp

@@ -99,6 +99,10 @@ typedef QRCodeDetectorAruco::Params QRCodeDetectorAruco_Params;
 using namespace cv::dnn;
 #endif
 
+#ifdef HAVE_OPENCV_FEATURES2D
+typedef SimpleBlobDetector::Params SimpleBlobDetector_Params;
+#endif
+
 #ifdef HAVE_OPENCV_VIDEO
 typedef TrackerMIL::Params TrackerMIL_Params;
 #endif

modules/js/test/test_features2d.js

@@ -62,6 +62,15 @@ QUnit.test('Detectors', function(assert) {
   assert.equal(kp.size(), 53, 'AKAZE');
 });
 
+QUnit.test('SimpleBlobDetector', function(assert) {
+  let image = generateTestFrame();
+
+  let kp = new cv.KeyPointVector();
+  let sbd = new cv.SimpleBlobDetector();
+  sbd.detect(image, kp);
+  assert.equal(kp.size(), 0);
+});
+
 QUnit.test('BFMatcher', function(assert) {
   // Generate key points.
   let image = generateTestFrame();

platforms/js/opencv_js.config.py

@@ -158,7 +158,8 @@ features2d = {'Feature2D': ['detect', 'compute', 'detectAndCompute', 'descriptor
               'FastFeatureDetector': ['create', 'setThreshold', 'getThreshold', 'setNonmaxSuppression', 'getNonmaxSuppression', 'setType', 'getType', 'getDefaultName'],
               'AgastFeatureDetector': ['create', 'setThreshold', 'getThreshold', 'setNonmaxSuppression', 'getNonmaxSuppression', 'setType', 'getType', 'getDefaultName'],
               'GFTTDetector': ['create', 'setMaxFeatures', 'getMaxFeatures', 'setQualityLevel', 'getQualityLevel', 'setMinDistance', 'getMinDistance', 'setBlockSize', 'getBlockSize', 'setHarrisDetector', 'getHarrisDetector', 'setK', 'getK', 'getDefaultName'],
-              # 'SimpleBlobDetector': ['create'],
+              'SimpleBlobDetector': ['create', 'setParams', 'getParams', 'getDefaultName'],
+              'SimpleBlobDetector_Params': [],
               'KAZE': ['create', 'setExtended', 'getExtended', 'setUpright', 'getUpright', 'setThreshold', 'getThreshold', 'setNOctaves', 'getNOctaves', 'setNOctaveLayers', 'getNOctaveLayers', 'setDiffusivity', 'getDiffusivity', 'getDefaultName'],
               'AKAZE': ['create', 'setDescriptorType', 'getDescriptorType', 'setDescriptorSize', 'getDescriptorSize', 'setDescriptorChannels', 'getDescriptorChannels', 'setThreshold', 'getThreshold', 'setNOctaves', 'getNOctaves', 'setNOctaveLayers', 'getNOctaveLayers', 'setDiffusivity', 'getDiffusivity', 'getDefaultName'],
               'DescriptorMatcher': ['add', 'clear', 'empty', 'isMaskSupported', 'train', 'match', 'knnMatch', 'radiusMatch', 'clone', 'create'],