83 search results - page 3 / 17 » Lossless Data Compression Using Optimal Tree Machines |
DCC
2008
IEEE
14 years 5 months ago
2008
IEEE
Recent advances in compressed data structures have led to the new concept of self-indexing; it is possible to represent a sequence of symbols compressed in a form that enables fas...
SAC
2002
ACM
13 years 5 months ago
2002
ACM
Many organizations have large quantities of spatial data collected in various application areas, including remote sensing, geographical information systems (GIS), astronomy, compu...
IJACTAICIT
2010
13 years 3 months ago
2010
This paper presents an improved adaptive algorithm for enhanced data hiding under HH-subband Haar Wavelet coefficients of a gray scale host image. The algorithm uses an optimal se...
DIALM
2007
ACM
13 years 9 months ago
2007
ACM
Sketches--data structures for probabilistic, duplicate insensitive counting--are central building blocks of a number of recently proposed network protocols, for example in the con...
INFOCOM
2010
IEEE
13 years 3 months ago
2010
IEEE
We address the problem of efficiently gathering correlated data from a wireless sensor network, with the aim of designing algorithms with provable optimality guarantees, and unders...