I would like to draw a rectangle around a video playing on my screen. For example, I am watching a YouTube video in my browser. I would like to be able to take a screenshot, analyze that screenshot, a
I am developing a computer vision program using OpenCV (IDE = devcpp). I am able to get the hand contour , move cursor position according to our our hand. i want to implement right click functionality
I have an object that I want to be able 开发者_运维知识库to recognize in AS3. There\'s a port of OpenCV for AS3 already, that works with Haars cascades, so now I need to create a cascade of my object
I am trying to find the easiest way to add, subtract a scalar value with a opencv 2.0 cv::Mat class. Most of the existing function allows only matrix-matrix and matrix-scalar operations.
I am trying to stich two images together. In order to do so I extracted sift features and find matches on the two images using this C implementation.
How do I get a .NET Bitmap and an OpenCV image to point to the same chunk of memory?I kn开发者_开发问答ow that I can copy from one to the other, but I would prefer that they just point to the same pix
I wrote the code for hough transformation and it works well. Also I can crop the eye location of a face. Now I want to detect the iris of the crop image with applying the Hough transfor开发者_如何学编
The formula says: Y = 0.299 * R + 0.587 * G + 0.114 * B; U = -0.14713 * R - 0.28886 * G + 0.436 * B; V = 0.615 * R - 0.51499 * G - 0.10001 * B;
I\'m having a problem with OpenCV\'s various parameterization of coordinates used for camera calibration purposes. The problem is that three different sources of information on image distortion formul
I am working on an image manipulation problem.I have an overhead projector that projects onto a screen, and I have a camera that takes pictures of that.I can establish a 1:1 correspondence between a s