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Explain Dictionary Based Coding
written 5.7 years ago by | modified 2.3 years ago by |
Subject: Multimedia System
Topic: Compression Algorithms
Difficulty: Hard
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written 5.7 years ago by | modified 2.3 years ago by |
Subject: Multimedia System
Topic: Compression Algorithms
Difficulty: Hard
written 5.7 years ago by |
The Lempel-Ziv-Welch (LZW) algorithm employs an adaptive, dictionary-based compression technique. Unlike variable-length coding, in which the lengths of the code words are different, LZW uses fixed-length code words to represent variable-length strings of symbols/ characters that can only occur together, such as words in English text.
Algorithm of LZW Compression: …