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Sinking-to-bottom oil identification method and system based on sonar image characteristics

An image feature and recognition method technology, applied in the direction of sound wave re-radiation, radio wave measurement system, utilization of re-radiation, etc., can solve problems such as inability to accurately identify and detect sinking oil, inconvenient use, weak echo reflection characteristics, etc. , to achieve huge application potential, convenient operation and simple effect

Inactive Publication Date: 2017-06-06
中海石油环保服务(天津)有限公司
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Problems solved by technology

At present, due to the characteristics of "relatively weak echo reflection characteristics and no obvious shadow area highlighting" of sinking bottom oil, the existing technology cannot simply and effectively realize accurate identification and detection of sinking bottom oil, therefore, it is extremely inconvenient to use

Method used

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  • Sinking-to-bottom oil identification method and system based on sonar image characteristics
  • Sinking-to-bottom oil identification method and system based on sonar image characteristics
  • Sinking-to-bottom oil identification method and system based on sonar image characteristics

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Embodiment Construction

[0014] Certain terms are used, for example, in the description and claims to refer to particular components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. As mentioned throughout the specification and claims, "comprising" is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect. The subsequent description of the specification is a preferred implementation mode for implementing the application, but the description is for the purpose of illustrating the general principle of the application, and is not intended...

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Abstract

The application discloses a sinking-to-bottom oil identification method and system based on sonar image characteristics. The method includes the following steps: investigating and analyzing a distribution area of a detection target, and according to requirements on the distribution range and detection precision of sinking-to-bottom oil, selecting specific sonar equipment and sampling frequency to collect sonar signals of a detection region; according to a collection result of the sonar signals, reading sonar data, and extracting the sonar data to perform sonar signal processing and imaging; analyzing and processing imaging of the sonar signals in three aspects of collecting the size of a sonar data beam angle, the condition of seabed topographic relief and the seabed smooth or roughness degree caused by sinking-to-bottom oil, so as to identify a distribution region of the sinking-to-bottom oil. The sinking-to-bottom oil identification method based on sonar image characteristics has the advantages that the correct identification and accurate description of the sinking-to-bottom oil can be effectively realized, the method has the characteristics of accurate identification and convenient operation, and has huge application potential and wide application prospects in later cleaning of spilled oil.

Description

technical field [0001] The invention belongs to the technical field of marine environment protection and relates to a method for identifying sunken bottom oil based on sonar image features. Background technique [0002] With the continuous development of exploration and development of oil and gas resources, the development of oil transportation industry is growing day by day, and the transportation methods include railway transportation, sea transportation and pipeline transportation. In addition to railway transportation, marine transportation and pipeline transportation are the main causes of marine oil spill accidents, and they are also the main factors leading to marine environmental pollution. As the "lifeline of offshore oil transportation", the laying range of oil pipelines on the seabed is increasing. During the use of these oil pipelines, due to the influence of hydrodynamic effects such as equipment aging, seawater corrosion, waves and tides, pipeline leakage and p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/89G01S15/04G01S7/539
Inventor 栗宝鹃安伟李建伟赵宇鹏张庆范靳卫卫刘保占
Owner 中海石油环保服务(天津)有限公司
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