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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, 1998Accepted:October 12, 1998Published: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:H. Sasama, “Evaluation of Picture-taking System for Railway Vision,” J. Robot. Mechatron., Vol.10 No.6, pp. 521-527, 1998.Data files:
