Size of an image?

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SNEHA P S
SNEHA P S 2017-7-18
评论： SNEHA P S 2017-7-18
I got the image size as below when i use size('image_name'). What does this 3 means?
>> size(image)
ans =
204 204 3

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Adam
Adam 2017-7-18
It means it is a true RGB image with Red, Green and Blue data channels rather than an indexed image that requires a colourmap to visualise it.

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