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ICPR
2010
IEEE
14 years 2 months ago
Boosting Gray Codes for Red Eyes Removal
Since the large diffusion of digital camera and mobile devices with embedded camera and flashgun, the red-eyes artifacts have de-facto become a critical problem. The technique he...
Sebastiano Battiato, Giovanni Maria Farinella, Mir...
TIT
2008
119views more  TIT 2008»
13 years 7 months ago
Bit-Level Equalization and Soft Detection for Gray-Coded Multilevel Modulation
This paper investigates iterative soft-in soft-out (SISO) detection in coded multiple access channels, with Gray-coded M-ary quadrature amplitude modulation (QAM) for the channel ...
Darryl Dexu Lin, Teng Joon Lim
GLOBECOM
2007
IEEE
13 years 7 months ago
A Gray-Code Type Bit Assignment Algorithm for Unitary Space-Time Constellations
Abstract— Many techniques for constructing unitary spacetime constellations have been proposed. To minimize bit-error rate (BER) in a wireless communication system, constellation...
Adam Panagos, Kurt L. Kosbar
ICDE
2005
IEEE
139views Database» more  ICDE 2005»
14 years 9 months ago
Compressing Bitmap Indices by Data Reorganization
Many scientific applications generate massive volumes of data through observations or computer simulations, bringing up the need for effective indexing methods for efficient stora...
Ali Pinar, Tao Tao, Hakan Ferhatosmanoglu
JDCTA
2010
152views more  JDCTA 2010»
13 years 2 months ago
Robust and Geometric Invariant Watermarking Scheme using Block and Gray-Level Histograms
As one of the crucial problems in watermarking, robustness against geometric distortion and JPEG compression becomes more than challenging and problematic. In this paper, a robust...
Chi-Man Pun, Xiaochen Yuan