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IEEEMSP
2002
IEEE
113views Multimedia» more  IEEEMSP 2002»
14 years 2 months ago
A minimum distortion data hiding technique for compressed images
We present a blind data hiding method for JPEG compressedimageswhichminimizesthe perceptualdistortion due to data embedding.The proposed systempresentsa number of op. tions to the ...
Cagatay Candan, Nikil Jayant
ISCAS
2007
IEEE
95views Hardware» more  ISCAS 2007»
14 years 4 months ago
Distributed Video Coding with Spatial Correlation Exploited Only at the Decoder
—A new pixel-domain Distributed Video Coding (DVC) scheme is proposed in this paper, in which both the temporal and the spatial correlations are exploited only at the decoder. A ...
Mei Guo, Yan Lu, Feng Wu, Shipeng Li, Wen Gao
CPM
2007
Springer
99views Combinatorics» more  CPM 2007»
14 years 4 months ago
Speeding Up HMM Decoding and Training by Exploiting Sequence Repetitions
We present a method to speed up the dynamic program algorithms used for solving the HMM decoding and training problems for discrete time-independent HMMs. We discuss the applicatio...
Shay Mozes, Oren Weimann, Michal Ziv-Ukelson
ICALP
2005
Springer
14 years 3 months ago
Improved Lower Bounds for Locally Decodable Codes and Private Information Retrieval
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...
Stephanie Wehner, Ronald de Wolf
ESANN
2004
13 years 11 months ago
Input arrival-time-dependent decoding scheme for a spiking neural network
Spiking neurons model a type of biological neural system where information is encoded with spike times. In this paper, a new method for decoding input spikes according to their abs...
Hesham H. Amin, Robert H. Fujii