Describe Shannon-Fano and Huffman coding techniques. Compare their cod

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Module 6: Information Coding and Decoding

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Describe Shannon-Fano and Huffman coding techniques. Compare their coding efficiencies.

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Shannon-Fano top-down split near equal sum, not always optimal. Huffman bottom-up merging smallest, optimal. Huffman minimal expected length $L=\sum p_i l_i$ , efficiency $\eta=H/L$ higher. Both prefix-free.

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