Digital Imaging & 
the Histogram 
Photo Fundamentals
*Histogram is a map of pixels on a scale 
from pure black to pure white. 
*Shows the brightness/darkness of each 
pixel re...
It acts as a graphical representation of the 
tonal distribution in a digital image. 
It plots the number of pixels 
for e...
0 is Pure Black 255 is Pure 
White
Underexposed
Perfect 
Exposure
Over Exposed
Extra Over 
Exposed
Histogram
Histogram
Histogram
Histogram
Histogram
Histogram
Histogram
Histogram
Histogram
Histogram
Histogram
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Histogram

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Histogram

  1. 1. Digital Imaging & the Histogram Photo Fundamentals
  2. 2. *Histogram is a map of pixels on a scale from pure black to pure white. *Shows the brightness/darkness of each pixel represented on this scale and how many of these pixels are in each zone. *Left represents the black/Dark end. Right represents the white/Bright end and the middle is perfect middle Gray.
  3. 3. It acts as a graphical representation of the tonal distribution in a digital image. It plots the number of pixels for each tonal value. By looking at the histogram for a specific image a viewer will be able to judge the entire tonal distribution at a glance.
  4. 4. 0 is Pure Black 255 is Pure White
  5. 5. Underexposed
  6. 6. Perfect Exposure
  7. 7. Over Exposed
  8. 8. Extra Over Exposed
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