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ACL
2003
15 years 8 months ago
Automatic Acquisition of Named Entity Tagged Corpus from World Wide Web
In this paper, we present a method that automatically constructs a Named Entity (NE) tagged corpus from the web to be used for learning of Named Entity Recognition systems. We use...
Joohui An, Seungwoo Lee, Gary Geunbae Lee
VR
2011
IEEE
286views Virtual Reality» more  VR 2011»
14 years 10 months ago
Shadow walking: An unencumbered locomotion technique for systems with under-floor projection
When viewed from below, a user’s feet cast shadows onto the floor screen of an under-floor projection system, such as a sixsided CAVE. Tracking those shadows with a camera provi...
David J. Zielinski, Ryan P. McMahan, Rachel B. Bra...
SIGMOD
2010
ACM
165views Database» more  SIGMOD 2010»
15 years 6 months ago
Creating and exploring web form repositories
We present DeepPeep (http://www.deeppeep.org), a new system for discovering, organizing and analyzing Web forms. DeepPeep allows users to explore the entry points to hidden-Web si...
Luciano Barbosa, Hoa Nguyen, Thanh Hoang Nguyen, R...
ICRA
2010
IEEE
182views Robotics» more  ICRA 2010»
15 years 5 months ago
Ground robot navigation using uncalibrated cameras
Abstract— Precise calibration of camera intrinsic and extrinsic parameters, while often useful, is difficult to obtain during field operation and presents scaling issues for mu...
Olivier Koch, Matthew R. Walter, Albert S. Huang, ...
AE
2007
Springer
16 years 26 days ago
Automatic Design of Vision-Based Obstacle Avoidance Controllers Using Genetic Programming
The work presented in this paper is part of the development of a robotic system able to learn context dependent visual clues to navigate in its environment. We focus on the obstacl...
Renaud Barate, Antoine Manzanera