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c++ Programming Glossary: roi.xOpenCv 2.3 C - How to isolate object inside image http://stackoverflow.com/questions/10315551/opencv-2-3-c-how-to-isolate-object-inside-image of Interest to the area defined by the box cv Rect roi roi.x box.center.x box.size.width 2 roi.y box.center.y box.size.height..
How to determine a region of interest and then crop an image using OpenCV http://stackoverflow.com/questions/15693900/how-to-determine-a-region-of-interest-and-then-crop-an-image-using-opencv they were switched manually in the code below cv Rect roi roi.x box.center.x box.size.height 2 roi.y box.center.y box.size.width.. box.size.height roi.height box.size.width std cout roi @ roi.x roi.y roi.width x roi.height std endl Crop the original image..
OpenCV extract area of an image from a vector of squares http://stackoverflow.com/questions/7755647/opencv-extract-area-of-an-image-from-a-vector-of-squares In fact I get this error OpenCV Error Assertion failed 0 roi.x 0 roi.width roi.x roi.width m.cols 0 roi.y 0 roi.height roi.y.. error OpenCV Error Assertion failed 0 roi.x 0 roi.width roi.x roi.width m.cols 0 roi.y 0 roi.height roi.y roi.height m.rows.. what usr include opencv cxmat.hpp 187 error 215 0 roi.x 0 roi.width roi.x roi.width m.cols 0 roi.y 0 roi.height roi.y..
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