hagor's profile - activity

Hello! I am using ccalib module for multi camera calibration. Does anybody know what are the units for translation coefficients in transform matrix?
I want to import opencv calibration into agisoft xml. Has anyone tried to do this?

Did, as they suggested at the example, but still my point cloud looks like a plane. How does the pixel number influence the disparity map? If i have 4k image, does that mean, that I have to increase threshholds?

Hello. I tried different ways to calculate disparity map, but can't get a good result. my images: can be found here: http://imgur.com/ViixWKN http://imgur.com/8NrA61K my calibration : https://pastebin.com/LY73x9NA

Unfortunatelly I can't get a good point cloud, with my code : https://pastebin.com/xT7KXVig

Maybe my calibration is not good enough, or the angle between cameras is too small. If my focal length is 35 mm and pixel size 5.5 x 5.5 μm2 , so the focal length should be around 6363 and i get 6700, which means that my lens is not exactly 35mm, but still I hope that my calibration is correct. rms error is 0.9.

During the calibration I use "chessboard rectangle size" what does it influence on? It seems that my calibration is the same, if I use rectangleSize 0.032 or 32.

Do I need to dothe following code?

    Mat img1r, img2r;
    remap(img1, img1r, map11, map12, INTER_LINEAR);
    remap(img2, img2r, map21, map22, INTER_LINEAR);
    img1 = img1r;
    img2 = img2r;

It seems that it kills all the disparity.

Do I need to normalize the disparity map?

How does stereoRectify influence my pre calibrated system? was looking at this problem http://answers.opencv.org/question/60..., but still can't get a good point cloud.