November 2014
Intermediate to advanced
236 pages
7h 4m
English
book
Image and Video Compression
by Madhuri A. Joshi, Mehul S. Raval, Yogesh H. Dandawate, Kalyani R. Joshi, Shilpa P. Metkar
Content preview from Image and Video Compression
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20 Image and Video Compression
Algorithm—Any sequence of identical symbols will be replaced by a coun-
ter identifying the number of repetitions and the particular symbol (e.g.,
sssss will be coded as 5s.
Example—For example, consider an image of a blackboard that has white
characters on a black background. It will be composed of many long runs of
blackpixelsin the blank space, and many short runs of white pixels within
for the characters. Let us consider a singlescanline, with B representing a
black pixel and W representing white:
BBBBBBBBBBBBWBBBBBBBBBBBB WWWBBBBBBBBBBBBBBBBBBBBBBBBWBBBBBBBB
BBBBBB
By applying a run-length encoding algorith
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