433 search results - page 59 / 87 » Alpha Estimation in Natural Images |
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
We deal with an image jigsaw puzzle problem, which is defined as reconstructing an image from a set of square and non-overlapping image patches. It is known that a general instan...
CVPR
2010
IEEE
14 years 4 months ago
2010
IEEE
Markov random fields (MRFs) are popular and generic probabilistic models of prior knowledge in low-level vision. Yet their generative properties are rarely examined, while applica...
ICIP
1999
IEEE
13 years 12 months ago
1999
IEEE
This paper presents a model for watermarking and some attacks on watermarks. Given the watermarked signal, the so-called Wiener attack performs minimum mean-squared error (MMSE) es...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
In natural images, luminance changes occur both on object contours and on textures. Often, the latter are stronger than the former, thus standard edge detectors fail in isolating ...
VLSM
2005
Springer
14 years 1 months ago
2005
Springer
In this paper we describe a new framework for the tracking of closed curves described through implicit surface modeling. The approach proposed here enables a continuous tracking al...