Following figure (next slide) shows the histograms of three different images, and three possible point functions. For each original image, which point operation can best equalize its histogram? Briefly explain your reasoning. h₁(f) a (F) 0 128 255 f h₂(f), a (6) 0 64 192 14 h3(f)+ a 0 128 255 f

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Question
Following figure (next slide) shows the histograms of three
different images, and three possible point functions. For each
original image, which point operation can best equalize its
histogram? Briefly explain your reasoning.
h₁(f),
a
0
g₁(f) +
255
128
0 64
128 255 f
192 255 f
h₂(f)
a
0 64
9₂(f)+
255
128
0
128
192
255
h₂(f) 4
a
0
g3(f) +
255
128
0
128 255 f
128 255
Transcribed Image Text:Following figure (next slide) shows the histograms of three different images, and three possible point functions. For each original image, which point operation can best equalize its histogram? Briefly explain your reasoning. h₁(f), a 0 g₁(f) + 255 128 0 64 128 255 f 192 255 f h₂(f) a 0 64 9₂(f)+ 255 128 0 128 192 255 h₂(f) 4 a 0 g3(f) + 255 128 0 128 255 f 128 255
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