Question

Given an image with uniform histogram. Explain the effect of applying following compression techniques:
i) Huffman,

 

ii) Golomb,

 

iii) LZW,

 

iv) Prediction coding, and

 

v) Optimal Quantization

09 Jan 2026
Answer :
Word Count : 329
For an image with a uniform histogram, all intensity values occur with roughly equal frequency. The effect of different compression techniques will vary based on how they exploit redundancy or patterns in data: i) Huffman coding: Huffman coding assigns shorter codes to more frequent symbols and longer codes to less frequent symbols. In a uniform histogram, all pixel values have similar frequency, so Huffman coding cannot assign significantly shorter codes. As a result, compression efficiency is very low, and the compressed size ______ ____ _________ __________ _________ ____ ______ _________ ____ _______ _______ __________.
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