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ISCAS
2007
IEEE
92views Hardware» more  ISCAS 2007»
14 years 5 months ago
Macroblock-Level Adaptive Scan Scheme for Discrete Cosine Transform Coefficients
—Discrete Cosine Transform (DCT) has been widely used in image/video coding systems, where zigzag scan is usually employed for DCT coefficient organization. However, due to local...
Li Zhang, Wen Gao, Qiang Wang, Debin Zhao
TSP
2010
13 years 5 months ago
Sequential and cooperative sensing for multi-channel cognitive radios
Effective spectrum sensing is a critical prerequisite for multi-channel cognitive radio (CR) networks, where multiple spectrum bands are sensed to identify transmission opportuniti...
Seung-Jun Kim, Georgios B. Giannakis
CLEF
2008
Springer
14 years 23 days ago
UJM at ImageCLEFwiki 2008
This paper reports our multimedia information retrieval experiments carried out for the ImageCLEF track (ImageCLEFwiki). The task is to answer to user information needs, i.e. quer...
Christophe Moulin, Cécile Barat, Mathias G&...
ICCV
2009
IEEE
15 years 4 months ago
Video Scene Understanding Using Multi-scale Analysis
We propose a novel method for automatically discover-ing key motion patterns happening in a scene by observing the scene for an extended period. Our method does not rely on object ...
Yang Yang, Jingen Liu, Mubarak Shah
WWW
2008
ACM
14 years 11 months ago
Automatic online news issue construction in web environment
In many cases, rather than a keyword search, people intend to see what is going on through the Internet. Then the integrated comprehensive information on news topics is necessary,...
Canhui Wang, Min Zhang, Shaoping Ma, Liyun Ru