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LICS
2007
IEEE
14 years 3 months ago
Separating DAG-Like and Tree-Like Proof Systems
We show that tree-like (Gentzen’s calculus) PK where all cut formulas have depth at most a constant d does not simulate cut-free PK. Generally, we exhibit a family of sequents t...
Phuong Nguyen
CVHI
2007
13 years 11 months ago
Terrain Analysis for Blind Wheelchair Users: Computer Vision Algorithms for Finding Curbs and other Negative Obstacles
: We are developing computer vision algorithms for sensing important terrain features as an aid to wheelchair navigation, which interpret visual information obtained from images co...
James Coughlan, Huiying Shen
TREC
2004
13 years 11 months ago
Combining Linguistic Processing and Web Mining for Question Answering: ITC-irst at TREC 2004
This paper describes the work we have been done in the last year on the DIOGENE Question Answering system developed at ITC-Irst. We present two preliminary experiments showing the...
Hristo Tanev, Milen Kouylekov, Bernardo Magnini
BMVC
2000
13 years 11 months ago
Quantifying Ambiguities in Inferring Vector-Based 3D Models
This paper presents a framework for directly addressing issues arising from self-occlusions and ambiguities due to the lack of depth information in vector-based representations. V...
Eng-Jon Ong, Shaogang Gong
IEICET
2006
87views more  IEICET 2006»
13 years 9 months ago
Measurements and Characterization of Ultra Wideband Propagation Channels in a Passenger-Car Compartment
Ultra wideband (UWB) signal propagation was measured and characterized in comparison with narrowband in a passenger-car compartment, to accommodate a design of new wireless devices...
Takehiko Kobayashi