976 search results - page 172 / 196 » Image matching based on a local invariant descriptor |
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
We propose an integral image based algorithm to extract feature covariance matrices of all possible rectangular regions within a given image. Covariance is an essential indicator ...
CLEF
2008
Springer
13 years 9 months ago
2008
Springer
This paper reports our multimedia information retrieval experiments carried out for the ImageCLEF track (ImageCLEFwiki). The task is to answer to user information needs, i.e. quer...
IBPRIA
2009
Springer
14 years 9 days ago
2009
Springer
Recent works in object recognition often use visual words, i.e. vector quantized local descriptors extracted from the images. In this paper we present a novel method to build such ...
ICCV
2009
IEEE
15 years 20 days ago
2009
IEEE
Image auto-annotation is an important open problem in
computer vision. For this task we propose TagProp, a discriminatively
trained nearest neighbor model. Tags of test
images a...
RT
2004
Springer
14 years 1 months ago
2004
Springer
We describe an approach for rendering large terrains in real-time. A digital elevation map defines the rough shape of the terrain. During rendering, procedural geometric and text...