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JRM Vol.10 No.6 pp. 521-527
doi: 10.20965/jrm.1998.p0521
(1998)

Paper:

Evaluation of Picture-taking System for Railway Vision

Hiroshi Sasama

Railway Technology Research Institute, 2-8-38 Hikari-cho, Kokubunji-shi, Tokyo 185-8540, Japan

Received:
August 1, 1998
Accepted:
October 12, 1998
Published:
December 20, 1998
Keywords:
Railway image, Image processing, Resolution, Visible zone, Camera direction, Camera position
Abstract

Railway vision is an important image processing application in which pictures taken from the front of a train are used to support operational control and inspect wayside facilities. We evaluated picture-taking systems using a space and picture model – the imaginary tunnel model – in which railway space is modeled as an imaginary rectangular tunnel including a construction gauge. Position criteria and camera direction are studied based on the visible tunnel zone. We also estimated position and direction based on rail loci in camera pictures.

Cite this article as:
Hiroshi Sasama, “Evaluation of Picture-taking System for Railway Vision,” J. Robot. Mechatron., Vol.10, No.6, pp. 521-527, 1998.
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