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INFOCOM
2008
IEEE
15 years 4 months ago
Firewall Compressor: An Algorithm for Minimizing Firewall Policies
—A firewall is a security guard placed between a private network and the outside Internet that monitors all incoming and outgoing packets. The function of a firewall is to exam...
Alex X. Liu, Eric Torng, Chad R. Meiners
DCC
2007
IEEE
15 years 9 months ago
Improved Resolution Scalability for Bi-Level Image Data in JPEG2000
In this paper, we address issues concerning bilevel image compression using JPEG2000. While JPEG2000 is designed to compress both bilevel and continuous tone image data using a sin...
Rahul Raguram, Michael W. Marcellin, Ali Bilgin
DCC
2007
IEEE
15 years 9 months ago
On Compression of Encrypted Video
We consider video sequences that have been encrypted uncompressed. Since encryption masks the source, traditional data compression algorithms are rendered ineffective. However, it...
Daniel Schonberg, Chuohao Yeo, Stark C. Draper, Ka...
ICIP
2007
IEEE
15 years 4 months ago
Compression Optimized Tracing of Digital Curves using Graph Theory
The use of an alphabet of line segments to compose a curve is a possible approach for curve data compression. An existing state-of-the-art method considers a quadtree decompositio...
András Hajdu, Ioannis Pitas
WWW
2008
ACM
14 years 9 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou