Tuesday, November 22, 2011

Histogram for photographers

http://www.luminous-landscape.com/tutorials/understanding-series/understanding-histograms.shtml

A histogram is a way of showing a distribution.  In this example, the histogram is showing the distribution of tone across a spatial digital image.  The higher the value represents a darker tone, which indicates that the image is underdeveloped.  The lower value represents a lighter tone, which indicates that the image is overdeveloped.  A photographer has tools to control the amount of light entering the lens, so the histogram gives important information about the potential for a well balanced photo.

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