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ICMCS
1999
IEEE
105views Multimedia» more  ICMCS 1999»
15 years 2 months ago
Key Independent Watermark Detection
Many types of pseudo-random signals have been used to embed signatures as watermarks, with spread spectrum signal techniques used to recover the signature from the encrypted data....
Ron G. van Schyndel, Andrew Z. Tirkel, Imants D. S...
DATE
1999
IEEE
89views Hardware» more  DATE 1999»
15 years 2 months ago
A Methodology and Design Environment for DSP ASIC Fixed-Point Refinement
Complex signal processing algorithms are specified in floating point precision. When their hardware implementation requires fixed point precision, type refinement is needed. The p...
Radim Cmar, Luc Rijnders, Patrick Schaumont, Serge...
DEXAW
1999
IEEE
95views Database» more  DEXAW 1999»
15 years 2 months ago
An XML-Based, 3-Tier Scheme for Integrating Heterogeneous Information Sources to the WWW
The phenomenal growth that the WWW currently experiences necessitates the integration of various types of information sources to its platform. We present an open, extensible multi...
Costas Petrou, Stathes Hadjiefthymiades, Drakoulis...
HICSS
1999
IEEE
98views Biometrics» more  HICSS 1999»
15 years 2 months ago
Integrating Spatial, Semantic, and Social Structures for Knowledge Management
In this paper we describe a unique type of knowledge management systems virtual reality-enabled multi-user virtual environments with spatialised semantic structures. They are des...
Chaomei Chen, John Davies
ICRA
1999
IEEE
145views Robotics» more  ICRA 1999»
15 years 2 months ago
Real Time Position Estimation for Mobile Robots by Means of Sonar Sensors
This paper presents a fast localisation algorithm for autonomous mobile agents in dynamic environments based on the definition of a new very small sized landmark type. These landm...
Cristina Urdiales, Antonio Bandera, R. Ron, Franci...