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GISCIENCE
2008
Springer
123views GIS» more  GISCIENCE 2008»
13 years 10 months ago
A Theory of Change for Attributed Spatial Entities
Abstract. New methods of data collection, in particular the wide range of sensors and sensor networks that are being constructed, with the ability to collect real-time data streams...
John G. Stell, Michael F. Worboys
JEI
2000
133views more  JEI 2000»
13 years 9 months ago
Low complexity block motion estimation using morphological-based feature extraction and XOR operations
Motion estimation is a temporal image compression technique, where an n x n block of pixels in the current frame of a video sequence is represented by a motion vector with respect...
Thinh M. Le, R. Mason, Sethuraman Panchanathan
JCNS
2010
96views more  JCNS 2010»
13 years 8 months ago
Rapid determination of particle velocity from space-time images using the Radon transform
Laser-scanning methods are a means to observe streaming particles, such as the flow of red blood cells in a blood vessel. Typically, particle velocity is extracted from images form...
Patrick J. Drew, Pablo Blinder, Gert Cauwenberghs,...
CVPR
2011
IEEE
13 years 6 months ago
Functional Categorization of Objects using Real-time Markerless Motion Capture
Unsupervised categorization of objects is a fundamental problem in computer vision. While appearance-based methods have become popular recently, other important cues like function...
Juergen Gall, Andrea Fossati, Luc VanGool
GIS
2004
ACM
14 years 10 months ago
Spatio-temporal aggregates over raster image data
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
Jie Zhang, Michael Gertz, Demet Aksoy