Exemplos de sample_initial_points em C++ (Cpp)

Exemplo n.º 1

Arquivo: hedcut.cpp Projeto: yunjoopark/stippling_midterm

bool Hedcut::build(cv::Mat & input_image, int n)
{
	cv::Mat input_GRAY;
	// YJ cvtColor(InputArrary src, OutputArray dst, int code, int dstCn = 0);
	cv::cvtColor(input_image, input_GRAY, CV_RGB2GRAY);

	//start = clock();
	//sample n points
	std::vector<cv::Point2d> pts;
	sample_initial_points(input_GRAY, n, pts);

	//initialize cvt
	CVT cvt;
	cvt.iteration_limit = this->cvt_iteration_limit;
	cvt.max_site_displacement = this->max_site_displacement;
	cvt.debug = this->debug;

	//compute weighted centroidal voronoi tessellation
	//finish = cvt.compute_weighted_cvt(input_image, pts);
	cvt.compute_weighted_cvt(input_GRAY, pts);

	//create disks
	create_disks(input_image, cvt);
	//finish = clock();
	//elapsed_time = (finish - start) / (double)CLOCKS_PER_SEC;
	return true;
}

Exemplo n.º 2

Arquivo: hedcut.cpp Projeto: yeojinkim/stippling

bool Hedcut::build(cv::Mat & input_image, int n)
{
	cv::Mat grayscale;
	cv::cvtColor(input_image, grayscale, CV_BGR2GRAY);

	//sample n points
	std::vector<cv::Point2d> pts;
	sample_initial_points(grayscale, n, pts);

	//initialize cvt
	CVT cvt;
	
	cvt.iteration_limit = this->cvt_iteration_limit;
	cvt.max_site_displacement = this->max_site_displacement;
	cvt.average_termination = this->average_termination;
	cvt.gpu = this->gpu;
	cvt.subpixels = this->subpixels;
	cvt.debug = this->debug;

	clock_t startTime, endTime;
	startTime = clock();
	
	//compute weighted centroidal voronoi tessellation
	if (cvt.gpu)
		cvt.compute_weighted_cvt_GPU(input_image, pts);
	else
		cvt.compute_weighted_cvt(grayscale, pts);	//*****

	endTime = clock();
	std::cout << "Total time: "<< ((double)(endTime - startTime)) / CLOCKS_PER_SEC << std::endl;

	if (debug) cv::waitKey();

	//create disks
	create_disks(input_image, cvt);

	return true;
}