Method of information extraction for ocean eddy evolution process

A technology of evolution process and information extraction, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as lack of automatic method extraction

Inactive Publication Date: 2013-11-20
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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  • Abstract
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Problems solved by technology

Hornsby et al. (2000) studied a semantic representation model that can be applied to the changing representation of ocean eddy evolution, but also lacks automatic methods to extract semantics and combine them with process representation and organization

Method used

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  • Method of information extraction for ocean eddy evolution process
  • Method of information extraction for ocean eddy evolution process
  • Method of information extraction for ocean eddy evolution process

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Embodiment Construction

[0059] Such as figure 1 As shown, the implementation steps of the present invention are as follows: First, for the complex and changeable dynamic phenomenon of ocean eddies, a set of process-oriented hierarchical data organization models (such as figure 2 shown), to clearly express information such as the process and changes of the vortex evolution. At the conceptual level, the model mainly includes three parts: the evolution process of the vortex, the set of interacting processes, and the change events within the process. Among them, the evolution process of each vortex records the independent life process of each vortex individual from generation to extinction, including its generation, end time, life movement trajectory, and the process ID used to associate the single-moment evolution state contained . The interaction process set refers to the vortex process set formed by linking different independent vortex evolution processes together due to the existence of multi-vort...

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Abstract

The invention relates to a method of information extraction for ocean eddy evolution process and belongs to the technical field of ocean information. The method is mainly applied to extract detailed evolution process information of eddies automatically from an eddy tracking data set and, technically, includes: establishing a process-oriented hierarchical data organization model, abstracting and recording the evolution process information of eddies by process, event and scenario objects, tracing the eddy evolution process by depth-first graph traversal algorithm and the like, automatically extracting detailed spatial-temporal information of process, event and process interaction, explicitly expressing and recording the process information, originally implied in the eddy tracking results, into a spatial-temporal database, and providing effective technical and data support for the analysis and discovery of eddy motion feature and law.

Description

technical field [0001] The invention relates to a method for extracting vortex process information from a time-space database storing and managing ocean vortex evolution information, and belongs to the technical field of marine information. Background technique [0002] At present, in the quantitative study of ocean eddies, there are a lot of researches and inventions on the automatic identification and tracking of eddies, which can be found in the following representative documents: [1]Chaigneau, A., Gizolme, A. and Grados, C.2008. Mesoscale eddies off Peru in altimeter records: Identification algorithms and eddy spatio-temporal patterns. Progress In Oceanography, 79 (2–4), 106-119. [2] Chelton, D.B., Schlax,M.G.and Samelson,R.M.2011.Global observations of nonlinear mesoscale eddies.Progress In Oceanography,91(2),167-216.[3]Okubo,A.1970.Horizontal dispersion of floatable particles in the proximity of velocity suchingularities such as convergences. Deep Sea Research and Oce...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 杜云艳易嘉伟周成虎
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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