2522 search results - page 441 / 505 » Region-Based Image Retrieval |
SEMCO
2007
IEEE
15 years 4 months ago
2007
IEEE
In this paper we describe a hybrid approach to improving semantic extraction from news video. Experiments show the value of careful parameter tuning, exploiting multiple feature s...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
A near-planar object seen from different viewpoints results in differently deformed images. Under some assumptions, viewpoint changes can be modeled by affine transformations. Sh...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
In this paper, we describe a new framework for watermarking 3D objects via their contour information. Unlike most conventional 3D object watermarking techniques, for which both in...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
In this paper, an affine invariant watermarking scheme, robust to geometric attacks, is proposed and applied to face regions. Initially, face regions are unsupervisedly extracted ...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
Content-based image retrieval (CBIR) systems have been actively investigated over the past decade. Several existing CBIR prototypes claim to be designed based on perceptual charac...