Category : opencv

My goal is to place german Umlauts with putText, but opencv doesn’t support them. I found that I can use freetype to add them. I downloaded the folder of freetype from opencv’s contribs (https://github.com/opencv/opencv_contrib/tree/master/modules/freetype) and added the files to appOpenCVsdknativejniincludeopencv2. However, when I try to import freetype it fails, because it can’t find ft2build.h: "fatal ..

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writing a code that turns an image file into grayscale was doable with just studying my textbook for a few minutes but there’s an exercise that tells me to type a line of code that opens 4 different windows all each only containing 1 color red, green, blue, and original image file. the image file ..

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Can you tell me how to convert the source image of 512512 to one image consisting of multiple reduced images of 6464 and rotate the thumbnail image of that image? I can do resize but i don’t know how to make an image constructed by multiple reduce image Source: Windows Que..

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I have list in which coordinates of multiple Polygons are being fed. I need to arrange the Polygons in an order that the left most polygon is the first element of that list (sorting by comparing x coordinates). int main() { std::vector<cv::Point2f> vec1; vec1.push_back(cv::Point(400, 100)); vec1.push_back(cv::Point(500, 50)); vec1.push_back(cv::Point(600, 100)); vec1.push_back(cv::Point(500, 150)); std::vector<cv::Point2f> vec2; vec1.push_back(cv::Point(100, 100)); ..

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I have the average RGB value of a region of an image (‘child’ in this case) and after I find the best image that has the closest RGB value to the one in child , I want to create another image by replacing the pixels in the child image with the pixels in the matching ..

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