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MMSEC
2005
ACM
114views Multimedia» more  MMSEC 2005»
14 years 27 days ago
Watermarking of MPEG-2 video in compressed domain using VLC mapping
In this work we propose a new algorithm for fragile, high capacity yet file-size preserving watermarking of MPEG-2 streams. Watermarking is done entirely in the compressed domain,...
Bijan G. Mobasseri, Michael P. Marcinak
TIT
2010
81views Education» more  TIT 2010»
13 years 2 months ago
Generalizing capacity: new definitions and capacity theorems for composite channels
We consider three capacity definitions for composite channels with channel side information at the receiver. A composite channel consists of a collection of different channels with...
Michelle Effros, Andrea J. Goldsmith, Yifan Liang
PAMI
2010
218views more  PAMI 2010»
13 years 2 months ago
A Coupled Duration-Focused Architecture for Real-Time Music-to-Score Alignment
Abstract--The capacity for realtime synchronization and coordination is a common ability among trained musicians performing a music score that presents an interesting challenge for...
Arshia Cont
ACL
2011
12 years 11 months ago
Unsupervised Decomposition of a Document into Authorial Components
We propose a novel unsupervised method for separating out distinct authorial components of a document. In particular, we show that, given a book artificially “munged” from two...
Moshe Koppel, Navot Akiva, Idan Dershowitz, Nachum...
STOC
2001
ACM
163views Algorithms» more  STOC 2001»
14 years 7 months ago
Extractor codes
We study error-correcting codes for highly noisy channels. For example, every received signal in the channel may originate from some half of the symbols in the alphabet. Our main c...
Amnon Ta-Shma, David Zuckerman