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#include \"ofApp.h\"\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::setup(){\r\n ofBackground(0,0,0);\r\n \r\n w = 320;\r\n h = 240;\r\n \r\n movie.initGrabber(w, h, true);\r\n \r\n \/\/reserve memory for cv images\r\n rgb.allocate(w, h);\r\n hsb.allocate(w, h);\r\n hue.allocate(w, h);\r\n sat.allocate(w, h);\r\n bri.allocate(w, h);\r\n filtered.allocate(w, h);\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::update(){\r\n movie.update();\r\n \r\n if (movie.isFrameNew()) {\r\n \r\n \/\/copy webcam pixels to rgb image\r\n rgb.setFromPixels(movie.getPixels(), w, h);\r\n \r\n \/\/mirror horizontal\r\n rgb.mirror(false, true);\r\n \r\n \/\/duplicate rgb\r\n hsb = rgb;\r\n \r\n \/\/convert to hsb\r\n hsb.convertRgbToHsv();\r\n \r\n \/\/store the three channels as grayscale images\r\n hsb.convertToGrayscalePlanarImages(hue, sat, bri);\r\n \r\n \/\/filter image based on the hue value were looking for\r\n for (int i=0; i<w*h; i++) {\r\n filtered.getPixels()[i] = ofInRange(hue.getPixels()[i],findHue-5,findHue+5) ? 255 : 0;\r\n }\r\n \r\n filtered.flagImageChanged();\r\n \/\/run the contour finder on the filtered image to find blobs with a certain hue\r\n contours.findContours(filtered, 20, w*h\/2, 2, false);\/\/last numeric 2 is find maximum cout\r\n }\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::draw(){\r\n ofSetColor(255,255,255);\r\n \r\n \/\/draw all cv images\r\n rgb.draw(0,0);\r\n hsb.draw(640,0);\r\n hue.draw(0,240);\r\n sat.draw(320,240);\r\n bri.draw(640,240);\r\n filtered.draw(0,480);\r\n contours.draw(0,480);\r\n \r\n ofSetColor(255, 0, 0);\r\n ofFill();\r\n \r\n \/\/draw red circles for found blobs\r\n for (int i=0; i<contours.nBlobs; i++) {\r\n ofCircle(contours.blobs[i].centroid.x, contours.blobs[i].centroid.y, 10);\/\/ last text 10 is radius od draw circle\r\n }\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::keyPressed(int key){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::keyReleased(int key){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::mouseMoved(int x, int y ){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::mouseDragged(int x, int y, int button){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::mousePressed(int x, int y, int button){\r\n \/\/calculate local mouse x,y in image\r\n int mx = x % w;\r\n int my = y % h;\r\n \r\n \/\/get hue value on mouse position\r\n findHue = hue.getPixels()[my*w+mx];\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::mouseReleased(int x, int y, int button){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::mouseEntered(int x, int y){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::mouseExited(int x, int y){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::windowResized(int w, int h){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::gotMessage(ofMessage msg){\r\n\r\n}\r\n\r\n\/\/--------------------------------------------------------------\r\nvoid ofApp::dragEvent(ofDragInfo dragInfo){ \r\n\r\n}\r\n<\/pre>\n <\/p>\n
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![\"cvtest\"](\"http:\/\/nantoka.filmm.info\/blog\/wp-content\/uploads\/2015\/12\/cvtest-300x220.jpg\")
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\u62bd\u51fa\u6570\u306fofApp.cpp\u306e49\u884c\u76ee<\/p>\n
contours.findContours(filtered, 20, w*h\/2, 2, false);<\/pre>\n\u306efalse\u306e\u524d\u306e2<\/strong>\u3067\u5909\u3048\u3089\u308c\u307e\u3059\uff0e\uff12\u306a\u30892\u500b\u691c\u51fa\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"open frame works\u3067openCV\u3092\u3084\u3063\u3061\u3083\u3044\u307e\u3059\uff0e open frame works\uff08\u4ee5\u4e0boF\uff09\u306f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u81ea\u4f53\u304c\u3068\u3066\u3082\u7c21\u7565\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306e\u4f5c\u6210\u5411\u304d\u3067\u3059\uff0e\u52d5\u4f5c\u306f\u91cd\u3044\u3068\u306e\u3053\u3068\u3067\u3059\u304c\uff0c\u30ea\u30ea\u30fc\u30b9 … \u7d9a\u304d\u3092\u8aad\u3080 oF\u3067openCV<\/span>
![\"cvtest\"](\"http:\/\/nantoka.filmm.info\/blog\/wp-content\/uploads\/2015\/12\/cvtest.jpg\")
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