Subject: Multimedia System

Topic: Compression Algorithms

Difficulty: Hard

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: …