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suppose a color image of size 256x256, how can I calculate the bianry histogram of the image? also which is the data structure suited to store the histogram if I want to cluster similar images? Please note that the histogram must be saved in the database along with the image.

Cœur
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Nikhil Sharad
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1 Answers1

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Assuming you are using Matlab: rgb2gray and imhist can help you. If you need only 2 values try converting it to binary image

Sridutt
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  • I'm using java.. I am making a content-based Image Retrieval system.. and I am using Binary histogram as the feature extraction algorithm. – Nikhil Sharad Mar 01 '13 at 19:10