olemus
andmete kadudeta tihenduse algoritm
(A. Lempel, J.Ziv, T. Welch, 1978/1984),
esimene laialt kasutatav,
toetub tabelitele ja on lihtsalt teostatav
=
a universal lossless data compression algorithm

rakendusi
- pildivormingutes GIF ja TIFF
- PDF-failides
- varem ka teksti pakkimise utiliitides

ülevaateid
https://www.cs.duke.edu/csed/curious/compression/lzw.html

https://pdfs.semanticscholar.org/presentation/be65/ad30dd6120b1ec825fe065376f61b5114db6.pdf

https://www.youtube.com/watch?v=30X9k7y-r6M

https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch