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顔を検出して、パーツごとに透けさせる。
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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) {}; ofEasyCam cam; cv::VideoCapture cap; cv::Size cap_size; cv::Mat frame, save_frame; cv::CascadeClassifier face_cascade; glm::vec2 face_location, face_size; float rect_size; vector<cv::Mat> rect_frames; vector<unique_ptr<ofImage>> rect_images; vector<cv::Rect> cv_rects; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofEnableDepthTest(); ofDisableArbTex(); this->cap_size = cv::Size(640, 360); this->cap.open(0); this->cap.set(cv::CAP_PROP_FPS, 30); this->cap.set(cv::CAP_PROP_FRAME_WIDTH, this->cap_size.width); this->cap.set(cv::CAP_PROP_FRAME_HEIGHT, this->cap_size.height); this->rect_size = 20; for (int x = 0; x < this->cap_size.width; x += this->rect_size) { for (int y = 0; y < this->cap_size.height; y += this->rect_size) { auto image = make_unique<ofImage>(); image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR); cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0); cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size); this->rect_images.push_back(move(image)); this->cv_rects.push_back(rect); this->rect_frames.push_back(frame); } } this->face_cascade.load("D:\\opencv_4.1.2\\build\\install\\etc\\haarcascades\\haarcascade_frontalface_alt2.xml"); } //-------------------------------------------------------------- void ofApp::update() { cv::Mat frame, blend; if (!this->cap.isOpened()) { return; } this->cap >> this->frame; if (this->frame.empty()) { return; } cv::cvtColor(this->frame, this->frame, cv::COLOR_RGB2BGR); cv::flip(this->frame, this->frame, 1); if (ofGetFrameNum() == 0) { this->frame.copyTo(this->save_frame); } cv::Mat gray_frame, small_frame; cv::cvtColor(this->frame, gray_frame, cv::COLOR_RGB2GRAY); cv::resize(gray_frame, small_frame, cv::Size(this->cap_size.width * 0.5, this->cap_size.height * 0.5)); vector<cv::Rect> faces; this->face_cascade.detectMultiScale(small_frame, faces); int face_count = 0; this->face_location = glm::vec2(); this->face_size = glm::vec2(); float max_area = 0.f; for (cv::Rect r : faces) { auto tmp_face_location = glm::vec2(r.x * 2.f, r.y * 2.f); auto tmp_face_size = glm::vec2(r.width * 2, r.height * 2); auto area = r.width * r.height; if (area > max_area) { this->face_location = tmp_face_location; this->face_size = tmp_face_size; } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofTranslate(this->cap_size.width * -0.5, this->cap_size.height * -0.5, 0); for (int i = 0; i < this->rect_frames.size(); i++) { cv::Mat tmp_box_image(this->save_frame, this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); if (this->cv_rects[i].x > this->face_location.x - 20 - 40 && this->cv_rects[i].x < this->face_location.x - 20 + this->face_size.x + 0 && this->cv_rects[i].y > this->face_location.y - 20 - 40 && this->cv_rects[i].y < this->face_location.y - 20 + this->face_size.y + 0) { auto noise_value = ofNoise(this->cv_rects[i].x, this->cv_rects[i].y, ofGetFrameNum() * 0.2); if (noise_value < 0.55) { cv::Mat tmp_box_image(this->save_frame, this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); } else { cv::Mat tmp_box_image(this->frame, this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); } } else { cv::Mat tmp_box_image(this->frame, this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); } this->rect_images[i]->update(); this->rect_images[i]->getTexture().bind(); ofSetColor(255); ofFill(); ofDrawBox(glm::vec3(this->cv_rects[i].x + 10, this->cap_size.height - this->cv_rects[i].y - 10, 0), this->rect_size, this->rect_size, 5); this->rect_images[i]->unbind(); ofSetColor(39); ofNoFill(); ofDrawBox(glm::vec3(this->cv_rects[i].x + 10, this->cap_size.height - this->cv_rects[i].y - 10, 0), this->rect_size, this->rect_size, 5); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |