how to find 10^3 dimensional histogram of a color image?

i dont know how to find a 10^3 histogram of a color image.so help me

[Andrew Newell]

Please explain.

Answer 1

[Walter Roberson]

hist(YourImage(:),10^3)

You will probably not find this to be very useful, though, as it will mix the color information for all of the channels together. You need separate histograms if you want to histogram by channel.

For example,

hist(reshape(YourImage(:,:,2),[],1),10^3)