Category : image-processing

I am trying to display the output image for Hough Transform but failed. This is part of the original code: int main(int argc, char** argv) { theta; // parametro di angolo di inclinazione nel sistema di coordinate polari double rho; // parametro di distanza (rho) nel sistema di coordinate polari Mat source, edges, output; if ..

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this Hough Transform program is supposed to display the source image, output image, edge detection results windows with images when executed. However, the output image window is not displaying anything even though the source image and edge detection results the link https://github.com/eToTheEcs/hough-transform/blob/master/hough.cpp Source: Windows Que..

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i want to change brightness of image, only accessing pixel value. not using opencv function(ex. convertTo) input : image , num num means constant value for brightness here is my code and result looks wierd. Is there any problem? original result cv::Mat function(cv::Mat img, int num){ cv::Mat output; output = cv::Mat::zeros(img.rows, img.cols, img.type()); for (int ..

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