METHOD FOR AUTOMATICALLY EXTRACTING STRUCTURAL FRAMEWORK FROM POTENTIAL FIELD DATA

METHOD FOR AUTOMATICALLY EXTRACTING STRUCTURAL FRAMEWORK FROM POTENTIAL FIELD DATA

A method for automatically extracting a tectonic framework of a potential field includes preprocessing gravity potential field data and/or magnetic potential field data from an area to be researched; performing multi-scale and multi-direction edge detection on the preprocessed gravity potential fiel...

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1. Verfasser: Cao Dianhua
Format: Patent
Sprache:eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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description A method for automatically extracting a tectonic framework of a potential field includes preprocessing gravity potential field data and/or magnetic potential field data from an area to be researched; performing multi-scale and multi-direction edge detection on the preprocessed gravity potential field data and/or magnetic potential field data, and obtaining edges of all scales separately; thinning the calculated edge of each scale into a single pixel width by means of a morphological skeleton algorithm, each point having depth and strength attributes; and obtaining a comprehensive tectonic framework graph and a comprehensive tectonic strength framework graph. A geological structure formed by a control deposit can be identified and qualitatively interpreted, a potential deposit type and attributes of the structure are determined according to prior knowledge of an area to be researched, and different types of tectonic frameworks are screened, thereby achieving target area localization of a metal deposit.
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subjects DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title METHOD FOR AUTOMATICALLY EXTRACTING STRUCTURAL FRAMEWORK FROM POTENTIAL FIELD DATA
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