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Processing techniques for digital sonar images from GLORIA.

Photogrammetric Engineering and Remote Sensing

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Abstract

Image processing techniques have been developed to handle data from one of the newest members of the remote sensing family of digital imaging systems. This paper discusses software to process data collected by the GLORIA (Geological Long Range Inclined Asdic) sonar imaging system, designed and built by the Institute of Oceanographic Sciences (IOS) in England, to correct for both geometric and radiometric distortions that exist in the original 'raw' data. Preprocessing algorithms that are GLORIA-specific include corrections for slant-range geometry, water column offset, aspect ratio distortion, changes in the ship's velocity, speckle noise, and shading problems caused by the power drop-off which occurs as a function of range.-from Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Processing techniques for digital sonar images from GLORIA.
Series title:
Photogrammetric Engineering and Remote Sensing
Volume
52
Issue:
8
Year Published:
1986
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Photogrammetric Engineering and Remote Sensing
First page:
1133
Last page:
1145
Number of Pages:
13