ind2gray() - Image Processing

I = ind2gray(X,map) converts
the image X with colormap map to
a grayscale image I. ind2gray removes
the hue and saturation information from the input image while retaining
the luminance.Note:  


A grayscale image is also called a gray-scale, gray scale, or
gray-level image.

Syntax

I = ind2gray(X,map)

Example

load trees
I = ind2gray(X,map);
imshow(X,map)
figure,imshow(I)

Output / Return Value

Limitations

Alternatives / See Also

Reference