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動画を一定の間隔で区切り、それぞれの範囲別で描写されるフレーム番号を変えています。手前は往来による動きあるのでブロックノイズのような情報になり、奥は動きが少ないので変化も少ないのが面白い
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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::Size cap_size; int number_of_frames; vector<cv::Mat> frames; float rect_size; vector<cv::Mat> rect_frames; vector<ofImage*> rect_images; vector<cv::Rect> cv_rects; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofBackground(239); ofSetWindowTitle("Insta"); ofSetFrameRate(30); this->cap.open("D:\\video\\image1.mp4"); this->cap_size = cv::Size(1280, 720); 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) { ofImage* image = new ofImage(); image->allocate(this->rect_size, this->rect_size, OF_IMAGE_COLOR); this->rect_images.push_back(image); cv::Mat frame = cv::Mat(cv::Size(image->getWidth(), image->getHeight()), CV_MAKETYPE(CV_8UC3, image->getPixels().getNumChannels()), image->getPixels().getData(), 0); this->rect_frames.push_back(frame); cv::Rect rect = cv::Rect(x, y, this->rect_size, this->rect_size); this->cv_rects.push_back(rect); } } this->number_of_frames = 380; for (int i = 0; i < this->number_of_frames; i++) { cv::Mat src, frame; this->cap >> src; if (src.empty()) { cap.set(CV_CAP_PROP_POS_FRAMES, 1); return; } cv::resize(src, frame, this->cap_size); cv::cvtColor(frame, frame, CV_BGR2RGB); this->frames.push_back(frame); } } //-------------------------------------------------------------- void ofApp::update() { for (int i = 0; i < this->rect_images.size(); i++) { int frames_index = ofMap(ofNoise(this->cv_rects[i].x * 0.0005, this->cv_rects[i].y * 0.0005, ofGetFrameNum() * 0.008), 0, 1, 0, this->number_of_frames); cv::Mat tmp_box_image(this->frames[frames_index], this->cv_rects[i]); tmp_box_image.copyTo(this->rect_frames[i]); this->rect_images[i]->update(); } } //-------------------------------------------------------------- void ofApp::draw() { for (int i = 0; i < this->rect_images.size(); i++) { this->rect_images[i]->draw(this->cv_rects[i].x, this->cv_rects[i].y); } } //======================================================================== int main() { ofSetupOpenGL(1280, 720, OF_WINDOW); ofRunApp(new ofApp()); } |