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Файл:Dental_Photography.pdf
Using the Histogram Function
“A good understanding of histogramss isis essential for digital photography.”
-Bockaert, V., The 123 of digital imagingng Interactive e-book
Using the Histogram Function
“A good understanding of histogramss isis essential for digital photography.”
-Bockaert, V., The 123 of digital imagingng Interactive e-book
What is a Histogram?
A graphical representation of how many dark,dark, midtone, and light pixels are present in thehe imageimage..
(luminosity histogram)
Horizontal axis = brightness (black to white)ite)
Vertical axis = frequency (i.e. the numberr ofof pixels at each brightness level
Using the Histogram Function
Allows photographer to quickly assessess exposure accuracy!
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Underexposed |
Normal exposure |
Overexposed |
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