32 search results - page 4 / 7 » Quantization of Overcomplete Expansions |
ADCM
2008
14 years 9 months ago
2008
In transmission, storaging and coding of digital signals we frequently perform A/D conversion using quantization. In this paper we study the maxiaml and mean square errors as a res...
CVPR
2008
IEEE
15 years 11 months ago
2008
IEEE
The state of the art in visual object retrieval from large databases is achieved by systems that are inspired by text retrieval. A key component of these approaches is that local ...
NIPS
2001
14 years 11 months ago
2001
We propose randomized techniques for speeding up Kernel Principal Component Analysis on three levels: sampling and quantization of the Gram matrix in training, randomized rounding...
ICRA
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract— Collision detection and estimation from a monocular visual sensor is an important enabling technology for safe navigation of small or micro air vehicles in near earth ï...
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ICIP
2002
IEEE
15 years 11 months ago
2002
IEEE
The Matching Pursuits (MP) coding method has been employed successfully in video coding. In it, the motion compensated frame difference is decomposed on an overcomplete dictionary...