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c++ Programming Glossary: centerAlgorithm improvement for Coca-Cola can shape recognition http://stackoverflow.com/questions/10168686/algorithm-improvement-for-coca-cola-can-shape-recognition will vote for another pixel which will supposedly be the center in terms of gravity of your object based on what it learned.. of the contour of the can will vote for its gravitational center so you'll have a lot of votes in the same pixel corresponding.. have a lot of votes in the same pixel corresponding to the center and will see a peak in the heat map as below. Once you have..
OpenCV C++/Obj-C: Advanced square detection http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection is one of my previous answers that detects a laser cross center showing most of the same math except it just finds a single..
Finding the centroid of a polygon? http://stackoverflow.com/questions/2792443/finding-the-centroid-of-a-polygon vertex add to total divide by number of verities to get center. I'v also tried Find the topmost bottommost get midpoint..... find midpoint. Both of these did not return the perfect center because I'm relying on the center to scale a polygon. I want.. not return the perfect center because I'm relying on the center to scale a polygon. I want to scale my polygons so I may put..
Simple object detection using OpenCV and machine learning http://stackoverflow.com/questions/6416117/simple-object-detection-using-opencv-and-machine-learning to an int float p float cvGetSeqElem circles i cv Point center cvRound p 0 cvRound p 1 int radius cvRound p 2 draw the circle.. p 0 cvRound p 1 int radius cvRound p 2 draw the circle center cvCircle rgbcanny center 3 CV_RGB 0 255 0 1 8 0 draw the circle.. cvRound p 2 draw the circle center cvCircle rgbcanny center 3 CV_RGB 0 255 0 1 8 0 draw the circle outline cvCircle rgbcanny..
How to detect the Sun from the space sky in OpenCv? http://stackoverflow.com/questions/8218997/how-to-detect-the-sun-from-the-space-sky-in-opencv processing for such a simple task And how to find the center of the Sun If I find white points than I'll find white points.. float circle float cvGetSeqElem circles 0 Drawing green center dot cvCircle image cvPoint cvRound circle 0 cvRound circle 1..
Image scaling (KeepAspectRatioByExpanding) through OpenGL http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl try. But that should do it. Note that the image will be centered not left aligned as on your image but that can be fixed pretty.. size offset_x 1 2 gl_width .5f offset_y 1 2 gl_height .5f center on screen break glMatrixMode GL_PROJECTION glLoadIdentity glMatrixMode.. orig_height gl_height remember those to be able to center the quad on screen if ratioImg ratioScreen gl_height gl_width..
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