27 search results - page 4 / 6 » Variable-length contexts for PPM |
TSMC
2008
14 years 9 months ago
2008
Abstract--Deoxyribonucleic acid (DNA) coding methods determine the meaning of a certain character in individual chromosomes by the characters surrounding it. The meaning of each ch...
DCC
2010
IEEE
15 years 4 months ago
2010
IEEE
In this work we describe a sequence compression method based on combining a Bayesian nonparametric sequence model with entropy encoding. The model, a hierarchy of Pitman-Yor proce...
ISCAS
2007
IEEE
15 years 3 months ago
2007
IEEE
—This paper presents a new context modeling technique for arithmetic coding of DCT coefficients in video compression. A key feature of the new technique is the inclusion of all p...
AAAI
2008
14 years 12 months ago
2008
Search engines present fix-length passages from documents ranked by relevance against the query. In this paper, we present and compare novel, language-model based methods for extr...
DCC
2001
IEEE
15 years 9 months ago
2001
IEEE
Lossless compression researchers have developed highly sophisticated approaches, such as Huffman encoding, arithmetic encoding, the Lempel-Ziv family, Dynamic Markov Compression (D...