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ICIP
2002
IEEE
14 years 9 months ago
Regular spatial B-spline active contour for fast video segmentation
This paper deals with fast video segmentation using active contours. Region-based active contours is a powerful technique for video segmentation. However most of these methods are...
Frédéric Precioso, Michel Barlaud
ICPR
2004
IEEE
14 years 8 months ago
Motion Analysis Using Frame Differences with Spatial Gradient Measures
The paper considers making inferences about the underlying true 2-D motion when only evaluations of a local block-based cost function, the mean of absolute or squared differences,...
Pekka Sangi, Janne Heikkilä, Olli Silvé...
CHI
2005
ACM
14 years 8 months ago
Children and emerging wireless technologies: investigating the potential for spatial practice
In this paper, we describe design work with 36 children aged 9 and 10 in Bristol, United Kingdom. The design work was conducted using emerging mobile and wireless technology which...
Morris Williams, Owain Jones, Constance Fleuriot, ...
ISVC
2009
Springer
14 years 2 months ago
Spatial-Temporal Junction Extraction and Semantic Interpretation
Abstract. This article describes a novel junction descriptor that encodes junctions’ semantic information in terms incoming lines’ orientations, both in 2D and 3D. A Kalman fi...
Kasper Broegaard Simonsen, Mads Thorsted Nielsen, ...
ICPP
1995
IEEE
13 years 11 months ago
Data-Parallel Primitives for Spatial Operations
Data-parallel primitives for performing operations on the PM1 quadtree and the bucket PMR quadtree are presented using the scan model. Algorithms are described for building these ...
Erik G. Hoel, Hanan Samet