Your browser does not support JavaScript!
http://iet.metastore.ingenta.com
1887

Geography and cartography computing

More general concepts than this:

1-1 of 1 results

Filter by subject:

< Any subject

  • Physics [1]
  • Geophysics, astronomy and astrophysics [1]
  • Solid Earth physics [1]
  • Other topics in solid Earth physics [1]
  • Geophysical observations, instrumentation, and techniques [1]
  • Data and information; acquisition, processing, storage and dissemination in geophysics [1]
  • Instrumentation and techniques for geophysical, hydrospheric and lower atmosphere research [1]
  • Electrical and electronic engineering [1]
  • General topics, engineering mathematics and materials science [1]
  • Engineering mathematics and mathematical techniques [1]
  • See more See less

Filter by content type:

Filter by publication date:

< Any publication date

  • 1996 [1]

Filter by author:

< Any author

  • I. McConnell [1]
  • R. Cook [1]
  • R.G. Caves [1]
  • S. Quegan [1]
Multi-channel SAR segmentation: algorithms and applications
Author(s): R.G. Caves, I. McConnell, R. Cook, S. Quegan
Source: IEE Colloquium on Image Processing for Remote Sensing, 1996, p. 2 - 2
Type: ConferencePaper
+ Show details - Hide details

Extensions of three single-channel segmentation algorithms to multi-channel operation are described. Algorithm performance is illustrated using multi-temporal ERS-1 images of an agricultural scene. It is shown that full multi-channel segmentation performed better than an approach based on segmenting channels separately and then recombining information. A multi-channel segmentor (RWSEG) based on segment growing constrained by edge detection was shown to perform better than a multichannel segmentor based on segment merging (MUM). However, in terms of preserving small scale detail neither preformed as well as a multi-channel filter (GAMANN) based on simulated annealing. It is illustrated how multi-channel segmentation may be used for identifying structural change and measuring radiometric change. With RWSEG, the choice of an RMS measure for combining information from different channels into a single parameter is somewhat arbitrary, its primary attraction being simplicity. More optimal methods probably exist and should be investigated. (6 pages)

Add to favourites
Export citations
Items per page 20 | 50 | 100
Print this page
This is a required field
Please enter a valid email address