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エッジ男。
Edge man.
[ Source ]
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#pragma once #include "ofMain.h" #include "opencv2/opencv.hpp" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {}; void keyReleased(int key) {}; void mouseMoved(int x, int y) {}; void mouseDragged(int x, int y, int button) {}; void mousePressed(int x, int y, int button) {}; void mouseReleased(int x, int y, int button) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; cv::VideoCapture cap; cv::Mat frame; cv::Mat save_frame; cv::Mat edge; ofImage frame_img; ofImage edge_img; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); this->cap.open(0); this->cap.set(cv::CAP_PROP_FPS, 30); this->cap.set(cv::CAP_PROP_FRAME_WIDTH, 1280); this->cap.set(cv::CAP_PROP_FRAME_HEIGHT, 720); this->frame_img.allocate(this->cap.get(cv::CAP_PROP_FRAME_WIDTH), this->cap.get(cv::CAP_PROP_FRAME_HEIGHT), OF_IMAGE_COLOR); this->frame = cv::Mat(this->frame_img.getHeight(), this->frame_img.getWidth(), CV_MAKETYPE(CV_8UC3, this->frame_img.getPixels().getNumChannels()), this->frame_img.getPixels().getData(), 0); this->edge_img.allocate(this->cap.get(cv::CAP_PROP_FRAME_WIDTH), this->cap.get(cv::CAP_PROP_FRAME_HEIGHT), OF_IMAGE_GRAYSCALE); this->edge = cv::Mat(this->edge_img.getHeight(), this->edge_img.getWidth(), CV_MAKETYPE(CV_8U, this->edge_img.getPixels().getNumChannels()), this->edge_img.getPixels().getData(), 0); } //-------------------------------------------------------------- void ofApp::update() { if (!this->cap.isOpened()) { return; } this->cap >> this->frame; if (this->frame.empty()) { return; } cv::cvtColor(this->frame, this->frame, cv::COLOR_BGR2RGB); cv::flip(this->frame, this->frame, 1); if (ofGetFrameNum() == 0) { this->frame.copyTo(this->save_frame); } cv::Canny(this->frame, this->edge, 50, 200); for (int y = 0; y < this->edge.rows; y += 1) { unsigned char* value = &this->edge.at<unsigned char>(y, 0); for (int x = 0; x < this->edge.cols; x += 1) { if (*value > 0) { this->frame.at<cv::Vec3b>(y, x) = cv::Vec3b(0, 0, 0); } else { this->frame.at<cv::Vec3b>(y, x) = this->save_frame.at<cv::Vec3b>(y, x); } value++; } } this->frame_img.update(); this->edge_img.update(); } //-------------------------------------------------------------- void ofApp::draw() { this->frame_img.draw(0, 0); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(1280, 720, OF_WINDOW); ofRunApp(new ofApp()); } |