Roger G. Nyberg
Reliability of manual assessments in determining the types of vegetation on railway tracks
Nyberg, Roger G.; Yella, Siril; Gupta, Narendra K; Dougherty, Mark
Authors
Siril Yella
Narendra K Gupta
Mark Dougherty
Contributors
Jianyong Wang
Editor
Wojciech Cellary
Editor
Dingding Wang
Editor
Hua Wang
Editor
Shu-Ching Chen
Editor
Tao Li
Editor
Yanchun Zhang
Editor
Abstract
Current day vegetation assessments within railway maintenance are (to a large extent) carried out manually. This study has investigated the reliability of such manual assessments by taking three non-domain experts into account. Thirty-five track images under different conditions were acquired for the purpose. For each image, the raters’ were asked to estimate the cover of woody plants, herbs and grass separately (in %) using methods such as aerial canopy cover, aerial foliar cover and sub-plot frequency. Visual estimates of raters’ were recorded and analysis-of-variance tests on the mean cover estimates were investigated to see whether if there were disagreements between the raters’. Intra-correlation coefficient was used to study the differences between the estimates. Results achieved in this work revealed that seven out of the nine analysis-of-variance tests conducted in this study have demonstrated significant difference in the mean estimates of cover
Citation
Nyberg, R. G., Yella, S., Gupta, N. K., & Dougherty, M. (2015, November). Reliability of manual assessments in determining the types of vegetation on railway tracks. Presented at Web Information Systems Engineering – WISE 2015, Miami, FL, USA
Presentation Conference Type | Conference Paper (published) |
---|---|
Conference Name | Web Information Systems Engineering – WISE 2015 |
Start Date | Nov 1, 2015 |
End Date | Nov 3, 2015 |
Online Publication Date | Dec 18, 2015 |
Publication Date | Dec 18, 2015 |
Deposit Date | Nov 2, 2015 |
Electronic ISSN | 1611-3349 |
Publisher | Springer |
Peer Reviewed | Peer Reviewed |
Volume | 9419 |
Pages | 391-399 |
Series Title | Lecture Notes in Computer Science |
Series Number | 9419 |
Series ISSN | 0302-9743 |
Book Title | Web Information Systems Engineering – WISE 2015 |
ISBN | 978-3-319-26186-7 |
DOI | https://doi.org/10.1007/978-3-319-26187-4_37 |
Keywords | Railway maintenance; vegetation; analysis-of-variance tests; |
Public URL | http://researchrepository.napier.ac.uk/id/eprint/9252 |
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