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ICPR
2004
IEEE
16 years 8 months ago
Velocity Adaptation of Space-Time Interest Points
The notion of local features in space-time has recently been proposed to capture and describe local events in video. When computing space-time descriptors, however, the result may...
Ivan Laptev, Tony Lindeberg
142
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ICPR
2004
IEEE
16 years 8 months ago
Galilean-Diagonalized Spatio-Temporal Interest Operators
Abstract. This paper presents a set of image operators for detecting regions in space-time where interesting events occur. To define such regions of interest, we compute a spatio-t...
Amir Akbarzadeh, Ivan Laptev, Tony Lindeberg
ICPR
2004
IEEE
16 years 8 months ago
Pattern Matching by Sequential Subdivision of Transformation Space
Pattern matching is a well-known pattern recognition technique. This paper proposes a novel pattern matching algorithm that searches transformation space by sequential subdivision...
Mingtian Ni, Stephen E. Reichenbach
ICPR
2004
IEEE
16 years 8 months ago
Human Action Segmentation via Controlled Use of Missing Data in HMMs
Segmentation of individual actions from a stream of human motion is an open problem in computer vision. This paper approaches the problem of segmenting higher-level activities int...
Patrick Peursum, Hung Hai Bui, Svetha Venkatesh, G...
ICPR
2004
IEEE
16 years 8 months ago
Optimally Regularised Kernel Fisher Discriminant Analysis
Mika et al. [3] introduce a non-linear formulation of Fisher's linear discriminant, based the now familiar "kernel trick", demonstrating state-of-the-art performanc...
Gavin C. Cawley, Kamel Saadi, Nicola L. C. Talbot