Sciweavers

1141 search results - page 151 / 229
» Gray Code Compression
Sort
View
KDD
2009
ACM
189views Data Mining» more  KDD 2009»
14 years 4 months ago
CoCo: coding cost for parameter-free outlier detection
How can we automatically spot all outstanding observations in a data set? This question arises in a large variety of applications, e.g. in economy, biology and medicine. Existing ...
Christian Böhm, Katrin Haegler, Nikola S. M&u...
ICIP
2002
IEEE
14 years 11 months ago
Generalized bitplane-by-bitplane shift method for JPEG2000 ROI coding
One interesting feature of the new JPEG2000 image coding standard is support of region of interest (ROI) coding using the maximum shift (Maxshift) method, which allows for arbitra...
Zhou Wang, Serene Banerjee, Brian L. Evans, Alan C...
VLDB
2004
ACM
118views Database» more  VLDB 2004»
14 years 3 months ago
On the performance of bitmap indices for high cardinality attributes
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
IMECS
2007
13 years 11 months ago
A Hybrid SPIHT-EBC Image Coder
—Embedded zero-tree coding in wavelet domain has drawn a lot of attention to the image compression applications. Among noteworthy zero-tree algorithms is the SPIHT algorithm. For...
Hsi-Chin Hsin, Jenn-Jier Lien, Tze-Yun Sung
INFOCOM
2012
IEEE
12 years 16 days ago
Memory-assisted universal compression of network flows
—Recently, the existence of considerable amount of redundancy in the Internet traffic has stimulated the deployment of several redundancy elimination techniques within the netwo...
Mohsen Sardari, Ahmad Beirami, Faramarz Fekri