opencv
OpenCV Error: Bad argument (Array should be CvMat or IplImage) in cvGetSize
I have successfully written a video processing program. I used ubuntu and Netbeans for programming. When I run this program on netbeans it runs perfectly and gives expected output.[详细]
2023-04-13 09:47 分类：问答Storing/Extracting Objects to/from NSDictionary
I am getting errors using a NSDictionary when trying to assign it\'s contents to new variables/objects. Maybe this isn\'t posible? I thought it would be. I\'m also not sure if I can use non-Objective[详细]
2023-04-13 07:09 分类：问答How can I access the OpenCV HoughCircles results in Python?
I\'m developing a proof of concept algorithm for iris-related biometrics. I\'d like to be able to test it on a series of images, but in order to do so, I need to know the iris boundaries. Following th[详细]
2023-04-13 05:11 分类：问答creating 3x3 sobel operator in opencv2 C++
Im trying to create my own sobel edge detect开发者_JS百科ion based off of the gx and gy matrices on three channels i have in my code below.[详细]
2023-04-13 03:59 分类：问答how to convert an RGB image to numpy array?
I have an RGB image. I want to convert it to numpy array. I did the following im = cv.LoadImage(\"abc.tiff\")[详细]
2023-04-13 02:49 分类：问答OpenCV background subtraction/codebook?
Im trying out the c开发者_开发百科odebook method, but don\'t really understand the point of int t in a code_book struct. Its the variable used to \"Count every access\", but this completely lost me. C[详细]
2023-04-13 01:40 分类：问答K-Means alternatives and performance
I\'ve been reading about similarity measures and image feature extraction; most of the papers refer to k-means as a good uniform clustering technique and my question is, is there any alternativ开发者_[详细]
2023-04-13 00:45 分类：问答Kalman filter eye tracking
i\'d like to implement a kalman filter using OpenCV to t开发者_JAVA技巧rack eye (in particular eye ball). I read something around internet about Kalman Filter. I have to set the state of my filter. Wh[详细]
2023-04-13 00:16 分类：问答Background subtraction in OpenCV(C++)
I want to implement a background averaging method. I have 50 frames of images taken in one second and some of the frames contain lightning which I want to extract as the foreground. The frames are tak[详细]
2023-04-12 19:34 分类：问答a cv::Mat of std::vector ... how do I?
I\'m trying to create an openCV matrix where each element of the matrix is a std::vector... butI can\'t seem to get it to work. Here\'s what I\'m doing:[详细]
2023-04-12 17:15 分类：问答
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