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» Estimating the Information Theoretic Optimal Stego Noise
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90
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ICC
2007
IEEE
15 years 4 months ago
Video Coding With Linear Compensation (VCLC)
— Block based motion compensation techniques are commonly used in video encoding to reduce the temporal redundancy of the signal. In these techniques, each block in a video frame...
Arif Mahmood, Zartash Afzal Uzmi, Sohaib Khan
74
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ICASSP
2008
IEEE
15 years 4 months ago
A GIS-like training algorithm for log-linear models with hidden variables
Conditional Random Fields (CRFs) are often estimated using an entropy based criterion in combination with Generalized Iterative Scaling (GIS). GIS offers, upon others, the immedi...
Georg Heigold, Thomas Deselaers, Ralf Schlüte...
IROS
2006
IEEE
136views Robotics» more  IROS 2006»
15 years 3 months ago
Multi-robot SLAM with Unknown Initial Correspondence: The Robot Rendezvous Case
Abstract— This paper presents a new approach to the multirobot map-alignment problem that enables teams of robots to build joint maps without initial knowledge of their relative ...
Xun S. Zhou, Stergios I. Roumeliotis
77
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SIGIR
2010
ACM
14 years 9 months ago
Has portfolio theory got any principles?
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
Guido Zuccon, Leif Azzopardi, Keith van Rijsbergen
CORR
2010
Springer
139views Education» more  CORR 2010»
14 years 4 months ago
On Communication over Unknown Sparse Frequency-Selective Block-Fading Channels
The problem of reliable communication over unknown frequency-selective block-fading channels with sparse impulse responses is considered. In particular, discrete-time impulse respo...
Arun Pachai Kannu, Philip Schniter