562 search results - page 49 / 113 » Nonlinear image estimation using piecewise and local image m... |
FGR
2006
IEEE
14 years 1 months ago
2006
IEEE
We propose an Isometric Self-Organizing Map (ISOSOM) method for nonlinear dimensionality reduction, which integrates a Self-Organizing Map model and an ISOMAP dimension reduction ...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
Sensor photo-response non-uniformity (PRNU) was introduced by Luk?as et al. [1] to solve the problem of digital camera sensor identification. The PRNU is the main component of a c...
ECCV
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Temporal random variation of luminance in images can manifest in film and video due to a wide variety of sources. Typical in archived films, it also affects scenes rec...
TSP
2008
13 years 7 months ago
2008
Abstract--This paper offers a new technique for spatially adaptive estimation. The local likelihood is exploited for nonparametric modeling of observations and estimated signals. T...
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper addresses the problem of calibrating camera lens distortion, which can be signi?cant in medium to wide angle lenses. While almost all existing nonmetric distortion cali...