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» Binary Sparse Coding
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MM
2009
ACM
217views Multimedia» more  MM 2009»
16 years 28 days ago
Label to region by bi-layer sparsity priors
In this work, we investigate how to automatically reassign the manually annotated labels at the image-level to those contextually derived semantic regions. First, we propose a bi-...
Xiaobai Liu, Bin Cheng, Shuicheng Yan, Jinhui Tang...
174
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ICIW
2009
IEEE
16 years 1 months ago
Paircoding: Improving File Sharing Using Sparse Network Codes
BitTorrent and Practical Network Coding are efficient methods for sharing files in a peer-to-peer network. Both face the problem to distribute a given file using peers with dif...
Christian Ortolf, Christian Schindelhauer, Arne Va...
CORR
2008
Springer
154views Education» more  CORR 2008»
15 years 6 months ago
Approaching Blokh-Zyablov Error Exponent with Linear-Time Encodable/Decodable Codes
Guruswami and Indyk showed in [1] that Forney's error exponent can be achieved with linear coding complexity over binary symmetric channels. This paper extends this conclusion...
Zheng Wang, Jie Luo
ECCV
2008
Springer
15 years 7 months ago
Discriminative Locality Alignment
—This paper presents a fast part-based subspace selection algorithm, termed the binary sparse nonnegative matrix factorization (B-SNMF). Both the training process and the testing...
Tianhao Zhang, Dacheng Tao, Jie Yang
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...