wzx's profile - activity

overview network karma followed questions activity

2020-10-20 13:50:02 -0600	received badge	● Student (source)
2019-01-11 10:09:25 -0600	received badge	● Notable Question (source)
2017-03-06 19:07:41 -0600	received badge	● Popular Question (source)
2012-12-13 20:54:06 -0600	commented answer	Is there something wrong with circle grid with patternSize of 4 * 3 ? Thank you very much for your kind help! With the method you suggested I succeed to detect the 4x3 grid. By debugging for a lot of times, I find the ‘minDensity’, a member variable defined in class ‘CirclesGridFinderParameters’, has a default initial value of 10, which is a little big for my case of 4x3 grid. I reset this value to 5, and the default method of ‘findCirclesGrid()’ detected the 4x3 grid of circle successfully. Therefore, the main reason for the problem is that I have not set a reasonable value for some parameter defined in class ‘CirclesGridFinderParameters’, and it has nothing to do with the ‘findCirclesGrid()’. Thanks again!
2012-12-12 20:39:16 -0600	commented answer	findCirclesGrid Yes, the images are shown here: http://answers.opencv.org/question/5130/is-there-something-wrong-with-circle-grid-with/ Thank you for your attention!
2012-12-12 20:34:52 -0600	asked a question	Is there something wrong with circle grid with patternSize of 4 * 3 ? Hi, the findCirclesGrid() can detect the circle center points with symmetrical patternSize of 16 * 8, which is shown as follow: However, I fail to use this function to deal with the symmetrical patternSize of 4 * 3, which is shown as follow: Could someone tell me how to detect the circle points in patternSize of 4 * 3 ? Thanks!
2012-12-12 08:51:24 -0600	commented answer	findCirclesGrid Hi, I use symmetrical circle grid with patternSize of 4 * 3, which are 4 points per row and 3 points per column. However the return value of the findHoles() defined in class CirclesGridFinder is always false. Therefore, the findCirclesGrid() can not find the circle center points with patternSize of 43. If I want to detect the circle in symmetrical circle grid with patternSize of 4 3, is there any way to solve this problem. Thanks.