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» A Novel Robust Detection Algorithm for Spectrum Sensing
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TIFS
2008
109views more  TIFS 2008»
14 years 9 months ago
Lookup-Table-Based Secure Client-Side Embedding for Spread-Spectrum Watermarks
Today, mass-scale electronic content distribution systems embed forensic tracking watermarks primarily at the distribution server. For limiting the bandwidth usage and server compl...
Mehmet Utku Celik, Aweke N. Lemma, Stefan Katzenbe...
IMAMS
2003
212views Mathematics» more  IMAMS 2003»
14 years 11 months ago
Watermarking 3D Polygonal Meshes Using the Singular Spectrum Analysis
Watermarking is to embed a structure called a watermark into the target data such as images. The watermark can be used, for example, in order to secure the copyright and detect tam...
Kohei Muratani, Kokichi Sugihara
JSAC
2011
105views more  JSAC 2011»
14 years 4 months ago
Capacity- and Bayesian-Based Cognitive Sensing with Location Side Information
— We investigate spectrum sensing by energy detection based on two different objective functions: a Bayesian sensing cost or the network weighted sum capacity. The Bayesian cost ...
Peng Jia, Mai Vu, Tho Le-Ngoc, Seung-Chul Hong, Va...
GLOBECOM
2008
IEEE
15 years 4 months ago
Collaborative Opportunistic Spectrum Access in the Presence of Multiple Transmitters
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
Ahmed O. Nasif, Brian L. Mark
SAC
2009
ACM
15 years 4 months ago
Visual detection of novel terrain via two-class classification
Remote sensing of terrain characteristics is an important component for autonomous operation of mobile robots in natural terrain. Often this involves classification of terrain int...
Christopher A. Brooks, Karl Iagnemma