Approach to the side-scan sonar data storage based on spatial database technology

Ting Liu; Renyi Liu; Tianhe Yin; Nan Liu

doi:10.1117/12.813118

10 November 2008 Approach to the side-scan sonar data storage based on spatial database technology

Ting Liu, Renyi Liu, Tianhe Yin, Nan Liu

Proceedings Volume 7146, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Advanced Spatial Data Models and Analyses; 71460R (2008) https://doi.org/10.1117/12.813118
Event: Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Geo-Simulation and Virtual GIS Environments, 2008, Guangzhou, China

Abstract

Side-scan sonar is a remote sensing technology for submarine geological and geomorphological information detection, which provides acoustic imaging of the bottom at rates of up to several thousand square kilometers a day. How to manage so abundant and tremendous data has become a new problem, urgently needs to be resolved. As side-scan sonar image, also known as sonograph has an inherent geometric distortion which is so-called slant-range effect. Otherwise, the original side-scan sonar image is characterized as an order of scanning lines, without geographical position integrity and scalability. All this requirements and factors are considered and the correction of slant range distortions is outlined. This approach provides a management mechanism of raster catalog for series of sonar images of a surveying zone. Against the efficiency problem of massive image data storage, a spatial database engine is improved from such aspects as tile size setting, image resampling also called pyramid creation and spatial index establishment and so on, so as to enhance performance and improve access rate. The fact is that it archived an ideal response time and is proved to be more effective.

Citation Download Citation

Ting Liu, Renyi Liu, Tianhe Yin, and Nan Liu "Approach to the side-scan sonar data storage based on spatial database technology", Proc. SPIE 7146, Geoinformatics 2008 and Joint Conference on GIS and Built Environment: Advanced Spatial Data Models and Analyses, 71460R (10 November 2008); https://doi.org/10.1117/12.813118

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KEYWORDS

Data storage

Databases

Image processing

Raster graphics

Image storage

Distortion

Data modeling

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