77 search results - page 15 / 16 » Low cost spatial watermarking |
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
In a mobile service scenario, users query a server for nearby points of interest but they may not want to disclose their locations to the service. Intuitively, location privacy may...
SENSYS
2005
ACM
13 years 11 months ago
2005
ACM
This paper presents the Simple Packet Combining (SPaC) error-correction scheme for wireless sensor networks. Nodes buffer corrupt packets, and when two or more corrupt versions o...
PVLDB
2008
13 years 5 months ago
2008
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...
WCNC
2008
IEEE
14 years 4 days ago
2008
IEEE
—Iterative K-best sphere detection (SD) and channel decoding is appealing, since it is capable of achieving a nearmaximum-a-posteriori (MAP) performance at a low complexity. Howe...
VISUALIZATION
1999
IEEE
13 years 10 months ago
1999
IEEE
We present a technique for optimizing the rendering of highdepth complexity scenes. Prioritized-Layered Projection (PLP) does this by rendering an estimation of the visible set fo...