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c++ Programming Glossary: cvtcolorOpenCv 2.3 C - How to isolate object inside image http://stackoverflow.com/questions/10315551/opencv-2-3-c-how-to-isolate-object-inside-image cv imread argv 1 Convert RGB Mat to GRAY cv Mat gray cv cvtColor img gray CV_BGR2GRAY Store the set of points in the image before..
OpenCV C++/Obj-C: Advanced square detection http://stackoverflow.com/questions/10533233/opencv-c-obj-c-advanced-square-detection occludedSquare Size 0 0 0.25 0.25 Mat occludedSquare8u cvtColor occludedSquare occludedSquare8u CV_BGR2GRAY Mat thresh threshold..
watershed segmentation opencv xcode http://stackoverflow.com/questions/11435974/watershed-segmentation-opencv-xcode image cv imread argv 1 cv Mat binary cv imread argv 2 0 cv cvtColor image binary CV_BGR2GRAY cv threshold binary binary 100 255..
OpenCV's Canny Edge Detection in C++ http://stackoverflow.com/questions/11987483/opencvs-canny-edge-detection-in-c cv imread open_1a.jpg cv Mat contours cv Mat gray_image cvtColor image gray_image CV_RGB2GRAY cv Canny image contours 10 350.. edge share improve this question Change this line cvtColor image gray_image CV_RGB2GRAY to std vector cv Mat channels cv.. CV_RGB2GRAY to std vector cv Mat channels cv Mat hsv cv cvtColor image hsv CV_RGB2HSV cv split hsv channels gray_image channels..
http://stackoverflow.com/questions/12968576/opencv-skin-detection qq.jpg if src.empty return 1 blur src src Size 3 3 Mat hsv cvtColor src hsv CV_BGR2HSV Mat bw inRange hsv Scalar 0 10 60 Scalar.. qq.jpg if src.empty return 1 blur src src Size 3 3 Mat hsv cvtColor src hsv CV_BGR2HSV Mat bw inRange hsv Scalar 0 10 60 Scalar..
Convert Image Color from Grayscale to RGB OpenCV C++ http://stackoverflow.com/questions/14571790/convert-image-color-from-grayscale-to-rgb-opencv-c open image endl return img Mat cimg medianBlur img img 5 cvtColor img cimg CV_GRAY2RGB vector Vec3f circles HoughCircles img InputArray.. img Mat img if img.type CV_8UC1 input image is grayscale cvtColor img cimg CV_GRAY2RGB else input image is colour cimg img cvtColor.. img cimg CV_GRAY2RGB else input image is colour cimg img cvtColor img img CV_RGB2GRAY the rest stays as is. If your input image..
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 img.size std endl Convert RGB Mat to GRAY cv Mat gray cv cvtColor img gray CV_BGR2GRAY std cout Gray image size gray.size std..
Convert RGB to Black & White in OpenCV http://stackoverflow.com/questions/1585535/convert-rgb-to-black-white-in-opencv CV_RGB2GRAY C Mat im_rgb imread image.jpg Mat im_gray cvtColor im_rgb im_gray CV_RGB2GRAY 3. Convert to binary You can use..
OpenCV C++ Video Capture does not seem to work http://stackoverflow.com/questions/3940780/opencv-c-video-capture-does-not-seem-to-work 1 for Mat frame cap frame get a new frame from camera cvtColor frame edges CV_BGR2GRAY GaussianBlur edges edges Size 7 7 1.5..
How to read in a video file as grayscale http://stackoverflow.com/questions/8408597/how-to-read-in-a-video-file-as-grayscale 1 namedWindow gray 1 Mat frame Mat gray for cap frame cvtColor frame gray CV_BGR2GRAY imshow gray gray if waitKey 30 0 break..
http://stackoverflow.com/questions/8449378/finding-contours-in-opencv not found n return 1 Prepare the image for findContours cv cvtColor image image CV_BGR2GRAY cv threshold image image 128 255 CV_THRESH_BINARY..
In an OpenCV application, how do I identify the source of memory leak and fix it? http://stackoverflow.com/questions/8585852/in-an-opencv-application-how-do-i-identify-the-source-of-memory-leak-and-fix-it it. This is done automatically in the next functions cv cvtColor src gray CV_BGR2GRAY imshow Gray image gray waitKey If you have..
OpenCV C++/Obj-C: Proper object detection http://stackoverflow.com/questions/8593652/opencv-c-obj-c-proper-object-detection workflow early stage detection Convert to grayscale cv cvtColor Apply Adaptive threshold cv adaptiveThreshold Apply canny edge.. cv Mat _image int rh 255 rl 100 gh 255 gl 0 bh 70 bl 0 cv cvtColor _image _image CV_RGB2HSV_FULL cv Mat element getStructuringElement..
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