775 search results - page 30 / 155 » Cone-restricted subspace methods |
ICIP
2008
IEEE
14 years 10 months ago
2008
IEEE
This paper presents an image denoising algorithm that uses principal component analysis (PCA) in conjunction with the non-local means image denoising. Image neighborhood vectors u...
ICIP
2005
IEEE
14 years 10 months ago
2005
IEEE
The autofocus problem in synthetic aperture radar (SAR) is considered. We precisely characterize the multichannel nature of the SAR autofocus problem by constructing a low-dimensi...
ISBI
2006
IEEE
14 years 9 months ago
2006
IEEE
Given a volume of cardiac MR images, we consider the problem of segmenting the heart based on intensity and dynamics. We first segment the heart and the chest from the background ...
DEXA
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. In this paper, we study the problem of projected outlier detection in high dimensional data streams and propose a new technique, called Stream Projected Ouliter deTector ...
ICPR
2006
IEEE
14 years 2 months ago
2006
IEEE
In hand shape recognition, transformation invariance is key for successful recognition. We propose a system that is invariant to small scale, translation and shape variations. Thi...