See the book at amazon.co.uk
Related Books
See Web Design: A Complete Introduction at amazon.co.uk
See Digital Media Tools, 3rd ed. at amazon.co.uk
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image histogram
A visual representation of how different brightness levels are distributed among the pixels of an image (or selection). The horizontal axis represents the different possible brightness levels, with black (zero) at the left, and white (255) at the right. The height of the graph at each point indicates the number of pixels with that brightness.
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