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krishna's profile - activity

2013-02-21 19:42:28 -0600 received badge  Supporter (source)
2013-02-15 15:02:47 -0600 answered a question saving a frame using imwrite

Multiply it with 255 or actually there is no need to multiply by 1 / 255 at ( resultframe *= 1.0/255.0;)

2013-02-14 12:13:40 -0600 answered a question Comparing color histograms

Earth movers distance is a lot better measure to compare histograms. Try this distance measure.'s_distance

2013-02-14 12:11:36 -0600 commented question dot product Mat matrices

Please give some code

2013-02-13 18:41:48 -0600 answered a question Face Detection code in Open CV

It uses default parameters.

2013-02-13 18:16:37 -0600 answered a question Problem compiling ios framework on Mac

Why won't you just use brew.

brew install opencv
2013-02-13 18:12:07 -0600 answered a question KeyPoint size

Keypoints are detected by Scale-Space extrema detection using Difference of Gaussian images. So the size is basically at what scale those points are detected.