how to create surface plot for rgb image and Lab image

how to create surface plot for rgb image and Lab image

Answer 1

[Image Analyst]

What does that mean? Please, Read this link.

Do you mean a plot of the 3-D color gamut like colorcloud() gives you, or a 2.5-D perspective of a surface like surf() gives you? Or something else?

[senthil vadivu]

Exactly i dont know which plot will be suitable to dispay the distribution of RGB colors and L,a,b colors with the combinations Eg.(L,a) (L,b) and (a,b) for fire detection.Kindly suggest me which plot may give suitable result

[senthil vadivu]

I am able to get example in matlab help like [X,Y] = meshgrid(-8:.5:8); R = sqrt(X.^2 + Y.^2) + eps; Z = sin®./R;

figure mesh(Z)

but i would like to pass the rgbImage and Lab image as input.So how to create plot to know the distribution of fire pixels(red, orange , white)pixels