How LZ78 Compression Algorithm Works

In this post, we are going to explore LZ78, a lossless data-compression algorithm created by Lempel and Ziv in 1978. As an example, the GIF format is based on LZ78. LZ78 takes advantage of a dictionary-based data structure to compress our data. In this case, it makes use of a trie data structure, as it’s more efficient for this compression technique.

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