Feature dimension of RGB color histogram?

StackOverflow https://stackoverflow.com/questions/21729029

Question

I am unsure about this but I want to compute features around interest points computed by surf using RGB color Histogram. I guess the final feature will be 256 dimensional long. However, I am unsure if this is correct.

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Solution

The dimension of the RGB color histogram is determined by how many bins you use for each channel. The dimension will be 24 (8+8+8) if you use 8 bins for each of them.

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