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TIT
2010
140views Education» more  TIT 2010»
15 years 1 months ago
Iterative decoding threshold analysis for LDPC convolutional codes
Abstract--An iterative decoding threshold analysis for terminated regular LDPC convolutional (LDPCC) codes is presented. Using density evolution techniques, the convergence behavio...
Michael Lentmaier, Arvind Sridharan, Daniel J. Cos...
DSN
2011
IEEE
14 years 6 months ago
Analysis of security data from a large computing organization
In this work, we study security incidents that occurred over period of 5 years at the National Center for Supercomputing Applications at the University of Illinois. The analysis co...
Aashish Sharma, Zbigniew Kalbarczyk, James Barlow,...
ICCV
2001
IEEE
16 years 8 months ago
Dimensional Analysis of Image Motion
Studies of image motion typically address motion categories on a case-by-case basis. Examples include a moving point, a moving contour, or a 2D optical flow field. The typical ass...
Michael S. Langer, Richard Mann
ECCV
2006
Springer
16 years 8 months ago
Detecting Doctored JPEG Images Via DCT Coefficient Analysis
Abstract. The steady improvement in image/video editing techniques has enabled people to synthesize realistic images/videos conveniently. Some legal issues may occur when a doctore...
Junfeng He, Zhouchen Lin, Lifeng Wang, Xiaoou Tang
ICIP
2007
IEEE
16 years 8 months ago
Subjective Quality Analysis of Bit Rate Exchange Between Temporal and SNR Scalability in the MPEG4 SVC Extension
It is well known that a compression trade-off exists between the spatial and temporal video quality. Various temporal scalability techniques have been considered for lowering the ...
Mark A. J. Barzilay, Jacco R. Taal, Reginald L. La...