83 search results - page 5 / 17 » Improving PPM Algorithm Using Dictionaries |
DCC
2002
IEEE
14 years 7 months ago
2002
IEEE
In this paper, we report work on a family of variable-length codes with less redundancy than the de facto flat code used in most of the variable size dynamic dictionary based comp...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
Face recognition (FR) is an active yet challenging topic in computer vision applications. As a powerful tool to represent high dimensional data, recently sparse representation bas...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
We propose a new method for imaging sound speed in breast tissue from measurements obtained by ultrasound tomography (UST) scanners. Given the measurements, our algorithm finds a...
TALG
2008
13 years 7 months ago
2008
Abstract. We present a new analysis of the well-known family of multiplicative hash functions, and improved deterministic algorithms for selecting "good" hash functions. ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...