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2014-08-17 23:53:52 -0600 | commented question | HOGDescripter does not compute 64 by 64 training images Hi All, I have figured that one out, that the Gaussian parameter for normalization can not be zero. By using DEFAULT_WIN_SIGMA, all works well now. Cheers, Dakai |
2014-08-17 18:04:29 -0600 | received badge | ● Editor (source) |
2014-08-15 02:45:31 -0600 | asked a question | HOGDescripter does not compute 64 by 64 training images Hi, I am new to OpenCV, currently I am building a C++ testing program using 2.4.9 on Windows 7, 32bit. I am trying to make HOGDescripter computing training images of 64 by 64 pixels. It works OK with 64 wide 128 high image, but not 64 by 64. Is this a bug? Bellow is the code snippet: .... After the compute function, The vector "features" contains all invalid data, I think they are negative infinite. Thanks in advance, Dakai |