976 search results - page 118 / 196 » Image matching based on a local invariant descriptor |
169
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MICCAI
1998
Springer
15 years 10 months ago
1998
Springer
Measuring motion in medical imagery becomes more and more important, in particular for object tracking, image registration, and local displacement measurements. Often, the require...
183
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BMVC
2010
15 years 4 months ago
2010
We present a fully automatic approach for facial expression recognition based on a representation of facial motion using a vocabulary of local motion descriptors. Previous studies...
207
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ICIP
2010
IEEE
15 years 4 months ago
2010
IEEE
Even if the problem of human action categorization from videos has received a lot of attention during the past decade, it remains a challenging problem in operative conditions due...
170
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ICPR
2010
IEEE
15 years 4 months ago
2010
IEEE
Image anchor templates are used in document image analysis for document classification, data localization, and other tasks. Current tools allow human operators to mark out small s...
180
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ICCV
2011
IEEE
14 years 6 months ago
2011
IEEE
In this paper we address the problem of image retrieval from millions of database images. We improve the vocabulary tree based approach by introducing contextual weighting of loca...