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84
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TCSV
2002
88views more  TCSV 2002»
15 years 13 days ago
Variable complexity DCT approximations driven by an HVQ-based analyzer
Transform approximations are explored for speeding up the software compression of images and video. Approximations are used to replace the regular discrete cosine transform (DCT) w...
Ricardo L. de Queiroz
112
Voted
WAIM
2010
Springer
14 years 11 months ago
CW2I: Community Data Indexing for Complex Query Processing
The increasing popularity of Community Web Management Systems (CWMSs) calls for tailor-made data management approaches for them. Still, existing CWMSs have mostly focused on simple...
Mei Hui, Panagiotis Karras, Beng Chin Ooi
109
Voted
ICIP
2006
IEEE
16 years 2 months ago
Variational Unsupervised Segmentation of Multi-Look Complex Polarimetric Images using a Wishart Observation Model
We address unsupervised variational segmentation ofmulti-look complex polarimetric images using a Wishart observation model via level sets. The methods consists of minimizing a fu...
Ismail Ben Ayed, Amar Mitiche, Ziad Belhadj
ICML
2009
IEEE
16 years 1 months ago
Learning non-redundant codebooks for classifying complex objects
Codebook-based representations are widely employed in the classification of complex objects such as images and documents. Most previous codebook-based methods construct a single c...
Wei Zhang, Akshat Surve, Xiaoli Fern, Thomas G. Di...
108
Voted
WINE
2009
Springer
194views Economy» more  WINE 2009»
15 years 7 months ago
Mechanism Design for Complexity-Constrained Bidders
A well-known result due to Vickery gives a mechanism for selling a number of goods to interested buyers in a way that achieves the maximum social welfare. In practice, a problem wi...
Ravi Kumar, Mohammad Mahdian, Amin Sayedi