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» Indexing Mobile Objects Using Duality Transforms
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ICPR
2008
IEEE
14 years 1 months ago
Illumination invariant spatio-colorimetric normalization
In the context of object recognition, it is useful to extract, from the images, efficient indexes that are insensitive to the illumination conditions, to the camera scale factor ...
Damien Muselet, Alain Trémeau
GMP
2008
IEEE
197views Solid Modeling» more  GMP 2008»
14 years 1 months ago
Determining Directional Contact Range of Two Convex Polyhedra
The directional contact range of two convex polyhedra is the range of positions that one of the polyhedron may locate along a given straight line so that the two polyhedra are in c...
Yi-King Choi, Xueqing Li, Fengguang Rong, Wenping ...
CVIU
2010
429views more  CVIU 2010»
13 years 7 months ago
Cascade of descriptors to detect and track objects across any network of cameras
Most multi-camera systems assume a well structured environment to detect and track objects across cameras. Cameras need to be fixed and calibrated, or only objects within a traini...
Alexandre Alahi, Pierre Vandergheynst, Michel Bier...
MM
2006
ACM
197views Multimedia» more  MM 2006»
14 years 1 months ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
ICDE
2004
IEEE
144views Database» more  ICDE 2004»
14 years 8 months ago
Spatio-Temporal Aggregation Using Sketches
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
Yufei Tao, George Kollios, Jeffrey Considine, Feif...