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2013-10-17 09:05:07 -0600 | commented answer | convert string^ to char* windows form application c++ @StevenPuttemans Yes, sure I would do that next time.. :) |
2013-10-17 04:18:03 -0600 | commented question | Adding environment variable to system path Entering in the system variable is enough. And in the path editor give it as %OPENCV_DIR%\bin .Then it should work. If you did the same..it should work.. Check the old installation in Windows link of OpenCV and follow the instructions again.. |
2013-10-17 02:59:18 -0600 | commented question | Adding environment variable to system path Instead of using the command prompt, why don't you set the environment variables in the system properties itself . I have been always doing that, and it has been always successful. Moreover there is no need to check it in the system32 folder too. The steps are as follows Now you can define an environment variable, just type OPENCV_DIR in Variable name and in Variable value the path D:\OpenCV\Build\x64\vc10 and check it in path editor.. |
2013-10-17 02:46:51 -0600 | commented question | convert string^ to char* windows form application c++ I have not worked on Windows Form applications, but what you ask for can be found in this link, hope this helps.. |
2013-10-15 07:16:23 -0600 | commented question | Problems with cvSmooth Hai Martin,Did you try with aperture height/width smaller than 11. Was it then giving the same problem too.. Might be a smaller aperture should work well without giving any bad pixels.. |
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2013-10-14 07:51:15 -0600 | asked a question | Masking the area outside a 2D set of grid points OpenCV I am working on circles/ellipse detection for a set of points and reconstruction of the detected points. I am struck at a specific image processing problem. The following is the sample image upon which the processing is to be performed, Click here (The red points in the image are manually drawn to emphasize the 16x16 grid) The task to be performed is to mask the image with black outside the 16x16 grid point rectangle. I have obtained the center points and radius of all the circles/Ellipses based on the Moments and Fit Ellipse methods. Now I need to detect the corners of the rectangle, and mask the image outside the rectangle to black. My code till detecting the centers of the circles can be seen below, How this can be really approached ? I was thinking to draw rectangles by finding the diagonal points of the rectangle, but the entire set of grid points are not always present. I also tried implementing the Pick's theorem, but then I need to remove the points outside the grid. Can I use k-nearest neighbours approach. |
2013-07-29 05:01:02 -0600 | commented question | Detect/Fitting Circles using Hough Transform in OpenCV 2.4.6 Yes.. it is a binary image I am working upon...and I had observed the images at every step of the preprocessing.. The Canny edges can be seen here for your further examination, cannyedge Do I need to dilate them further ? Will it be of any help ? |
2013-07-29 04:33:15 -0600 | commented question | Detect/Fitting Circles using Hough Transform in OpenCV 2.4.6 @StevenPuttemans Can you please explain it in a more detailed manner.. I would be greatful.. |
2013-07-29 03:09:27 -0600 | commented question | Detect/Fitting Circles using Hough Transform in OpenCV 2.4.6 I too think so.. I am actually also trying out various other methods like moments based, contours and fitellipse based techniques.. But I still do not understand, why does this method doesn't work for this specific image.. I will try for some more time, and skip to the next method.. |
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2013-07-28 15:51:27 -0600 | asked a question | Detect/Fitting Circles using Hough Transform in OpenCV 2.4.6 Hi All, The main objective is ti detect the main 5-point white circles in the image.The test image in which the circles have to be detected is the one shown here . It is a low resolution image, please download the original image here,1280x1024 I am using different methods to bring out a evaluation of various circle/ellipse detection methods. But somehow I am not able to fix my simple Hough transform code. It does not detect any circles. I am not clear whether the problem is with pre-processing step, or the parameters of the HoughCircle. This is my code. Please help me in this regards, Header file Source file |
2013-06-12 06:34:22 -0600 | commented answer | Visual Studio throws an exception when I run a simple program Thank you very much for your reply...The issue is resolved.. Thanks for this insight.. Else I would have thought there are some installation problems.. |
2013-06-12 04:20:33 -0600 | asked a question | Visual Studio throws an exception when I run a simple program I am a newbie to Open CV and I am facing an odd error while compiling a simple open CV program. The program is as follows It throws me an exception error saying
I am able to continue compiling the program, by clicking on the continue option, and finally obtain the output too. I tried using debugger/breakpoints and found the error in I double checked the arguments for the same, but I am not able to resolve the exact error. |
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2013-06-10 04:36:03 -0600 | asked a question | Compatibility with Windows XP and Visual Studio 2005 How far is Open CV 2.4.5 compatible with Visual Studio 2005 running in Windows XP. Will it have any installation problems ? As the controller designed for a specific robot based application is only compatible with Visual Studio 2005, hence I need to decide on the version. Needs of Open CV : Ellipse fitting, probabilistic machine learning algorithms, homograpy estimation. Please help me decide on whether it is really advisable to use the Visual Studio 2005. Which version of Open CV is compatible with VS 2005, and what can you recommend. Thanks in advance. |