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GRAPHICSINTERFACE
2000
15 years 7 months ago
Using a 3D Puzzle as a Metaphor for Learning Spatial Relations
We introduce a new metaphor for learning spatial relations--the 3D puzzle. With this metaphor users learn spatial relations by assembling a geometric model themselves. For this pu...
Bernhard Preim, Felix Ritter, Oliver Deussen, Thom...
171
Voted
ICIP
2006
IEEE
16 years 8 months ago
Background Modeling from GMM Likelihood Combined with Spatial and Color Coherency
This paper proposes to combine spatial and color coherency with the pixel-wise GMM to determine the background model. We first represent each pixel with a hybrid feature vector, w...
Sheng-Yan Yang, Chiou-Ting Hsu
ICDE
2008
IEEE
169views Database» more  ICDE 2008»
16 years 7 months ago
Common Influence Join: A Natural Join Operation for Spatial Pointsets
We identify and formalize a novel join operator for two spatial pointsets P and Q. The common influence join (CIJ) returns the pairs of points (p, q), p P, q Q, such that there e...
Man Lung Yiu, Nikos Mamoulis, Panagiotis Karras
GECCO
2007
Springer
149views Optimization» more  GECCO 2007»
16 years 16 days ago
Environment as a spatial constraint on the growth of structural form
We explore the use of the developmental environment as a spatial constraint on a model of Artificial Embryogeny, applied to the growth of structural forms. A Deva model is used t...
Taras Kowaliw, Peter Grogono, Nawwaf N. Kharma
IROS
2006
IEEE
97views Robotics» more  IROS 2006»
16 years 12 days ago
Spatial Reasoning for Real-time Robotic Manipulation
Abstract – Presented in this paper is an approach to realtime spatial reasoning for manipulative robotic tasks. When a service robot is requested to manipulate an object, it shou...
Han-Young Jang, Hadi Moradi, Suyeon Hong, Sukhan L...