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» Representation and Self-Similarity of Shapes
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SI3D
1999
ACM
15 years 2 months ago
Localized-hierarchy surface splines (LeSS)
An explicit spline representation of smooth free-form surfaces is combined with a hierarchy of meshes to form the basis of an interactive sculpting environment. The environment of...
Carlos Gonzalez-Ochoa, Jörg Peters
IUI
1997
ACM
15 years 1 months ago
Helping Users Think in Three Dimensions: Steps Toward Incorporating Spatial Cognition in User Modelling
Historically, efforts at user modelling in educational systems have tended to employ knowledge representations in which symbolic (or "linguistic") cognition is emphasize...
Michael Eisenberg, Ann Nishioka, M. E. Schreiner
SIGGRAPH
1995
ACM
15 years 1 months ago
Multiresolution analysis of arbitrary meshes
In computer graphics and geometric modeling, shapes are often represented by triangular meshes. With the advent of laser scanning systems, meshes of extreme complexity are rapidly...
Matthias Eck, Tony DeRose, Tom Duchamp, Hugues Hop...
DIAGRAMS
2008
Springer
14 years 11 months ago
Graphical Revelations: Comparing Students' Translation Errors in Graphics and Logic
We are interested in developing a better understanding of what it is that students find difficult in learning logic. We use both natural language and diagram-based methods for teac...
Richard Cox, Robert Dale, John Etchemendy, Dave Ba...
RSS
2007
145views Robotics» more  RSS 2007»
14 years 11 months ago
Semantic Modeling of Places using Objects
— While robot mapping has seen massive strides , higher level abstractions in map representation are still not widespread. Maps containing semantic concepts such as objects and l...
Ananth Ranganathan, Frank Dellaert