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CGF
2005
204views more  CGF 2005»
15 years 6 months ago
BRDF and geometry capture from extended inhomogeneous samples using flash photography
We present a technique which allows capture of 3D surface geometry and a useful class of BRDFs using extremely simple equipment. A standard digital camera with an attached flash s...
James A. Paterson, David Claus, Andrew W. Fitzgibb...
IJCNN
2008
IEEE
16 years 1 months ago
Spatiotemporal feature extraction based on invariance representation
— This paper investigates spatiotemporal feature extraction from temporal image sequences based on invariance representation. Invariance representation is one of important functi...
Wenlu Yang, Liqing Zhang
AAAI
2011
14 years 6 months ago
Analogical Dialogue Acts: Supporting Learning by Reading Analogies in Instructional Texts
Analogy is heavily used in instructional texts. We introduce the concept of analogical dialogue acts (ADAs), which represent the roles utterances play in instructional analogies. ...
David Michael Barbella, Kenneth D. Forbus
KCAP
2009
ACM
16 years 1 months ago
Knowledge integration across multiple texts
One of the grand challenges of AI is to build systems that learn by reading. The ideal system would construct a rich knowledge base capable of automated reasoning. We have built a...
Doo Soon Kim, Ken Barker, Bruce W. Porter
WWW
2007
ACM
16 years 7 months ago
Organizing and searching the world wide web of facts -- step two: harnessing the wisdom of the crowds
As part of a large effort to acquire large repositories of facts from unstructured text on the Web, a seed-based framework for textual information extraction allows for weakly sup...
Marius Pasca