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» Robust Extraction of Text from Camera Images
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ISMAR
2005
IEEE
15 years 10 months ago
Calibration Errors in Augmented Reality: A Practical Study
This paper confronts some theoretical camera models to reality and evaluates the suitability of these models for effective augmented reality (AR). It analyses what level of accura...
Javier-Flavio Vigueras Gomez, Gilles Simon, Marie-...
3DPVT
2004
IEEE
166views Visualization» more  3DPVT 2004»
15 years 8 months ago
Multi-Camera Reconstruction based on Surface Normal Estimation and Best Viewpoint Selection
In this paper, we present a new algorithm for reconstructing an environment from images recorded by multiple calibrated cameras. Multiple camera systems challenge traditional ster...
Xenophon Zabulis, Kostas Daniilidis
FGR
2011
IEEE
205views Biometrics» more  FGR 2011»
14 years 8 months ago
High resolution face sequences from a PTZ network camera
Abstract— We propose here to acquire high resolution sequences of a person’s face using a pan-tilt-zoom (PTZ) network camera. This capability should prove helpful in forensic a...
Thang Ba Dinh, Nam Vo, Gérard G. Medioni
CICLING
2009
Springer
16 years 5 months ago
Business Specific Online Information Extraction from German Websites
This paper presents a system that uses the domain name of a German business website to locate its information pages (e.g. company profile, contact page, imprint) and then identifi...
Yeong Su Lee, Michaela Geierhos
COLING
1990
15 years 5 months ago
Information Extraction and Semantic Constraints
We consider the problem of extracting specified types of information from natural language text. To properly analyze the text, we wish to apply semantic (selectional) constraints ...
Ralph Grishman, John Sterling