1567 search results - page 92 / 314 » Compressing Relations and Indexes |
TCSV
2002
13 years 8 months ago
2002
A novel frequency-domain technique for image blocking artifact detection and reduction is presented in this paper. The algorithm first detects the regions of the image which presen...
DCC
2008
IEEE
14 years 8 months ago
2008
IEEE
This paper introduces a very low complexity visual masking algorithm for the JPEG2000 image compression standard and evaluates its impact on the visual image quality by means of t...
IEEEMSP
2002
IEEE
14 years 2 months ago
2002
IEEE
Abstract— This paper discusses encryption operations that selectively encrypt content-carrying segments of multimedia data stream. We propose and analyze three techniques that wo...
ICRA
1999
IEEE
14 years 1 months ago
1999
IEEE
We discuss a robotic system composed of Crystalline modules. Crystaline modules can aggregate together to form distributed robot systems. Crystalline modules can move relative to ...
SAC
2005
ACM
14 years 2 months ago
2005
ACM
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...