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Report of subpanel on feature extractionThe state of knowledge in feature extraction for Earth resource observation systems is reviewed and research tasks are proposed. Issues in the subpixel feature estimation problem are defined as: (1) the identification of image models which adequately describe the data and the sensor it is using; (2) the construction of local feature models based on those image models; and (3) the problem of trying to understand these effects of preprocessing on the entire process. The development of ground control point (GCP) libraries for automated selection presents two concerns. One is the organization of these GCP libraries for rectification problems, i.e., the problems of automatically selecting by computer the specific GCP's for particular registration tasks. Second is the importance of integrating ground control patterns in a data base management system, allowing interface to a large number of sensor image types with an automatic selection system. The development of data validation criteria for the comparison of different extraction techniques is also discussed.
Document ID
19820020826
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Date Acquired
August 10, 2013
Publication Date
June 1, 1982
Publication Information
Publication: Proc. of the NASA Workshop on Registration and Rectification
Subject Category
Earth Resources And Remote Sensing
Accession Number
82N28702
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle19820020823Collected WorksProceedings of the NASA Workshop on Registration and Rectification
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