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VR
2007
IEEE
135views Virtual Reality» more  VR 2007»
13 years 10 months ago
A Nested Marker for Augmented Reality
A Nested Marker, a novel visual marker for camera calibration in Augmented Reality (AR), enables accurate calibration even when the observer is moving very close to or far away fr...
Keisuke Tateno, Itaru Kitahara, Yuichi Ohta
ASSETS
2007
ACM
13 years 8 months ago
Accessible spaces: navigating through a marked environment with a camera phone
We demonstrate a system designed to assist a visually impaired individual while moving in an unfamiliar environment. Small and economical color markers are placed in key locations...
Kee-Yip Chan, Roberto Manduchi, James Coughlan
CRV
2007
IEEE
101views Robotics» more  CRV 2007»
13 years 8 months ago
Fourier tags: Smoothly degradable fiducial markers for use in human-robot interaction
In this paper we introduce the Fourier tag, a synthetic fiducial marker used to visually encode information and provide controllable positioning. The Fourier tag is a synthetic ta...
Junaed Sattar, Eric Bourque, Philippe Giguè...
ISMAR
2002
IEEE
13 years 9 months ago
Visual Marker Detection and Decoding in AR Systems: A Comparative Study
Visual markers are widely used in existing augmented reality (AR) applications [7, 12, 11, 19]. In most of such applications, the performance of an AR system depends highly on the...
Xiang Zhang, Stephan Fronz, Nassir Navab
VLUDS
2010
270views Visualization» more  VLUDS 2010»
12 years 11 months ago
Detection and Identification Techniques for Markers Used in Computer Vision
This paper summarizes and compares techniques for detecting and identifying markers in the context of computer vision. Existing approaches use correlation, digital, or topological...
Johannes Köhler, Alain Pagani, Didier Stricke...