Digital imaging histograms (not to be confused with RGB Parades) are a census of pixels whose channel or composite values occupy certain “bins” or discrete values along the x-axis, or abcissa. Easy enough to say, but as the relational axiom goes, “it’s complicated.”
This video (31:04) explores the statistical construct that a histogram is and covers some common misconceptions. It also demonstrates the use of a histogram in some image goals and therapies.
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