1 / 4

Lempel-Ziv Encoding

Lempel-Ziv Encoding. BAB. CB. ABC. BABA. ABA. BA. AB. 3. 4. 5. 6. 7. 8. 9. Compress. 0. 1. 3. 3. 2. 4. 8. ABABABCBABABABCBABABABCBA Loop buffer c sent stored new buffer. 1. A. B. 0. AB (3). B. 2. B. A. 1. BA (4). A. AB. 3. A. B. 3. ABA (5).

jerrod
Download Presentation

Lempel-Ziv Encoding

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lempel-Ziv Encoding

  2. BAB CB ABC BABA ABA BA AB 3 4 5 6 7 8 9 Compress 0 1 3 3 2 4 8 • ABABABCBABABABCBABABABCBA Loop buffer c sent stored new buffer 1 A B 0 AB (3) B 2 B A 1 BA (4) A AB 3 A B 3 ABA (5) A A 4 AB AB B 5 A 3 ABC(6) C C 6 AB 2 CB(7) B B 7 C BA A 8 B 4 BAB(8) B B 9 BA BA A 10 B BAB B 11 BA 8 BABA(9) A A 12 BAB A B C 0 1 2

  3. 0 1 3 3 2 4 8 A B C BABAB CB BAB ABCB CBA BABC ABC BABA ABA BA AB 0 1 2 3 7 4 5 6 8 12 11 9 10 13 Compress 6 9 8 • ABABABCBABABABCBABABABCBA Loop buffer c sent stored new buffer 13 A B AB 14 AB C ABC 15 ABC B 6 ABCB(10) B 16 B A BA 17 BA B BAB 18 BAB A BABA 19 BABA B 9 BABAB(11) B 20 B A BA 21 BA B BAB 22 BAB C 8 BABC(12) C

  4. CB BA ABA ABC BABAB BAB AB BABA ABCB 11 6 8 10 3 5 9 7 4 Uncompress 0 1 3 3 2 4 8 6 9 8 7 0 • Loop Prior current in table c tmp/code printed 1 0 (A) 1 (B) Y B AB/3 B 2 1 (B) 3 (AB) Y A BA/4 AB 3 3 (AB) 3 (AB) Y A ABA/5 AB 4 3 (AB) 2 (C) Y C ABC/6 C 5 2 (C) 4 (BA) Y B CB/7 BA 6 4 (BA) 8 N B BAB/8 BAB 7 8 (BAB) 6 (ABC) Y A BABA/9 ABC 8 6 (ABC) 9 (BABA) Y B ABCB/10 BABA 9 9 (BABA) 8 (BAB) Y B BABAB/11 BAB A B C 0 1 2

More Related