I am using OpenCV for an optical measurement system. I need to carry out a perspective transformation between two images, captured by a digital camera. In the field of view of the camera I placed a se
Suppose you have an homography H between two images. The first image is the reference image, where the planar object cover the entire image (and it is parallel to the image). The second image depicts
How can i estimate the pose of a quadrilateral using OpenCV. I only need to de开发者_如何学Gotect a Rectangle on the frame..not all the quadrilaterals on the screenYes with correspondences between the
suppose you have a square planar object (a piece of paper). You take a photo of it. Generally speaking, it will appear deformed. Suppose you process the image and compute the four corners of the plana
I am able to track 4 coordinates over different images of the same scene by calculating a 3x3 homography between them. Doing this I can overlay other 2D images onto these coordinates. I a开发者_StackO
Can anybody please show me how to use RANSAC algorithm to select common feature points开发者_运维问答 in two images which have a certain portion of overlap? The problem came out from feature based ima
I thi开发者_高级运维nk I have my wires crossed on this, it should be quite easy. I have a projection matrix from world coordinates to image coordinates (4D homogeneous to 3D homgeneous), and therefor
I\'ve got a program I would like to use to input a password and one or multiple strings from a web page. The program takes the strings and outputs them to a time-datestamped text file, but only if the
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