DocumentCode
2037379
Title
Towards automatic detection of erroneous measurement results in a gravity database
Author
Wen, Qian ; Gates, Ann Q. ; Beck, Jan ; Kreinovich, Vladik ; Keller, G. Randy
Author_Institution
NASA Pan-American Center for Earth & Environ. Studies, Texas Univ., El Paso, TX, USA
Volume
4
fYear
2001
fDate
2001
Firstpage
2170
Abstract
Geospatial databases often contain erroneous measurements. For some such databases such as gravity databases, the known methods of detecting erroneous measurements-based on regression analysis-do not work well. As a result, to clean such databases, experts use manual methods which are very time-consuming. In this paper, we propose a (natural) "localized" version of regression analysis as a technique for automatic cleaning. We illustrate the efficiency of this technique on the example of the gravity database
Keywords
geographic information systems; statistical analysis; visual databases; automatic detection of erroneous measurement results; geospatial databases; gravity database; regression analysis; Cleaning; Earth; Geologic measurements; Geophysical measurements; Gravity measurement; Image databases; Magnetic field measurement; Q measurement; Regression analysis; Wavelength measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Systems, Man, and Cybernetics, 2001 IEEE International Conference on
Conference_Location
Tucson, AZ
ISSN
1062-922X
Print_ISBN
0-7803-7087-2
Type
conf
DOI
10.1109/ICSMC.2001.972877
Filename
972877
Link To Document