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Digital Histograms

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==Histogram Overview==
 
==Histogram Overview==
In general, a histogram is a graphical representation of how frequent data within a table fall into specific categories. In photography, a histogram is a graphical representation of all the pixel color values within an image. Picture a bar graph where the various tonal ranges from 0 to 255 are on the x-axis and the number each tonal range is represented on the y-axis.
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In general, a histogram is a graphical representation of how frequent data within a table fall into specific categories. In photography, a histogram is a graphical representation of all the pixel color values within an image. Picture a bar graph where the various tonal ranges from 0 to 256 are on the x-axis and the number each tonal range is represented on the y-axis.
   
 
==References==
 
==References==
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