Image Processing - Old Questions
2. Given the following frequency table obtained from the histogram of a 16 X 16, 8 level image.
M 0 1 2 3 4 5 6 7
NM 15 6 70 16 31 35 32 51
Where M = gray level and NM = pixels having Mth gray level.
Construct Huffmann code for each gray level. Calculate the compression ratio and the relative data redundancy assuming if 3-bit code is used to code the gray level instead of Huffmann code. [7+3 =10]
10 marks
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