An embedded system methodology for real-time analysis of railways track profile

Author

Alippi, Cesare ; Casagrande, Ettore ; Fumagalli, Matteo ; Scotti, Fabio ; Piuri, Vincenzo ; Valsecchi, Luigi

Author_Institution

Dipt. di Elettronica e Inf., Politecnico di Milano, Italy

Volume

1

fYear

2002

fDate

6/24/1905 12:00:00 AM

Firstpage

747

Abstract

Inspecting railway status is decisive to assure high operating safety, appropriate maintenance schedule, low maintenance and operating costs. This operation consists of the analysis of the rail profile, overall geometry and undulation. Embedded image processing systems based on laser scanning and image analysis, are the key to achieve the complete track profile measurement during ordinary service of a rail convoy. This paper presents a methodology to design an embedded composite system, regarding the tradeoff between the accuracy and the computational complexity.

Keywords

convolution; image processing; inspection; interpolation; maintenance engineering; optical scanners; railways; real-time systems; surface topography measurement; CCD cameras; computational complexity; convolution; embedded image processing; embedded system methodology; high operating safety; interpolation; laser scanning; maintenance schedule; overall geometry; overnight scanning; profile measurement; rail profile; railway status inspection; railways track profile; real-time analysis; real-time profile filtering; reflex identification method; undulation; Costs; Design methodology; Embedded system; Geometrical optics; Image analysis; Image processing; Interconnected systems; Rail transportation; Railway safety; Real time systems;

fLanguage

English

Publisher

ieee

Conference_Titel

Instrumentation and Measurement Technology Conference, 2002. IMTC/2002. Proceedings of the 19th IEEE

ISSN

1091-5281

Print_ISBN

0-7803-7218-2

Type

conf

DOI

10.1109/IMTC.2002.1006935

Filename

1006935