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CN-122016661-A - Monitoring system and method for identifying sea surface spilled oil by utilizing polarization state of light

CN122016661ACN 122016661 ACN122016661 ACN 122016661ACN-122016661-A

Abstract

The invention provides a monitoring system and a method for identifying sea surface spilled oil by utilizing a polarization state, which belong to the technical field of beach shallow sea spilled oil monitoring and comprise a polarization data acquisition module, a data transmission module and a control module, wherein the polarization data acquisition module is used for acquiring polarization image data of a sea surface spilled oil monitoring area, the data transmission module is used for transmitting the polarization image data of the sea surface spilled oil monitoring area acquired by the polarization data acquisition module to a polarization data processing module, the polarization data processing module is used for analyzing and processing the received polarization image data of the sea surface spilled oil monitoring area acquired by the polarization data acquisition module, the sea surface spilled oil is identified for the first time according to analysis and processing results, and if the sea surface spilled oil is identified to exist, alarm information is sent out, and the control module is used for controlling operation and data processing of the monitoring system. According to the monitoring system and the method for identifying the sea surface spilled oil, disclosed by the invention, the sea surface spilled oil in the beach shallow sea area is monitored based on the polarization state of light, so that the spilled oil identification capability can be obviously improved.

Inventors

  • YUAN XIN
  • SONG CHUNYAN
  • WANG XIAOHUI
  • WU XIAODONG
  • LI QIAN
  • SHI XIAN
  • CHEN YONG
  • WANG QIYUN
  • ZHANG JING

Assignees

  • 中国石油化工股份有限公司
  • 中国石油化工股份有限公司胜利油田分公司

Dates

Publication Date
20260512
Application Date
20241108

Claims (10)

  1. 1. The monitoring system for identifying sea surface spilled oil by utilizing the polarization state of light is characterized by comprising a polarization data acquisition module (1), a data transmission module (2), a polarization data processing module (3) and a control module (4); the polarized data acquisition module (1) is used for acquiring polarized image data of a sea surface oil spill monitoring area; The data transmission module (2) is used for transmitting the polarized image data of the sea surface oil spill monitoring area acquired by the polarized data acquisition module (1) to the polarized data processing module (3); The polarization data processing module (3) is used for analyzing and processing the received polarization image data of the sea surface oil spill monitoring area acquired by the polarization data acquisition module (1), carrying out primary identification on sea surface oil spill according to an analysis processing result, and sending out alarm information if the sea surface oil spill is identified to exist; The control module (4) is used for controlling the operation and data processing of the monitoring system.
  2. 2. The monitoring system for identifying sea surface spills by using the polarization state of light according to claim 1, wherein the polarization data processing module (3) comprises a fog penetrating imaging processing unit (34) and a sea surface bright spot processing unit (35) and is used for carrying out polarized light defogging and bright spot inhibiting processing on the polarization image data of the sea surface spills monitoring area acquired by the polarization data acquisition module (1) when the polarization data processing module (3) is used for identifying that no sea surface spills exist for the first time, the polarization data processing module (3) is used for carrying out analysis processing on the polarization image data after the defogging and bright spot inhibiting processing, carrying out secondary identification on the sea surface spills according to analysis processing results, and sending out alarm information if the sea surface spills are identified.
  3. 3. The monitoring system for identifying sea surface spills using polarization states of light according to claim 2, wherein the polarization data processing module (3) further comprises a central processing unit (31) and a communication unit (33), the central processing unit (31) is used for analyzing and processing the received polarized image data of the sea surface spills monitoring area acquired by the polarization data acquisition module (1) and performing primary identification on the existence of sea surface spills, analyzing and processing the polarized image data after defogging and bright spot inhibiting processing and performing secondary identification on the existence of sea surface spills, and the communication unit (33) is used for sending out alarm information when the central processing unit (31) identifies the existence of sea surface spills.
  4. 4. A monitoring system for discriminating sea surface spills using polarization state of light according to any of claims 1-3 characterized in that the polarization data processing module (3) further comprises a memory (32) for storing processing results and system parameters.
  5. 5. The monitoring system for identifying sea surface spilled oil by utilizing the polarization state of light according to claim 1, wherein the polarization data acquisition module (1) is provided with a visible light and infrared band dual-light-path imaging system and is used for acquiring visible light images and infrared image data.
  6. 6. The monitoring system for identifying sea surface spills using the polarization state of light according to claim 1, further comprising an unmanned aerial vehicle flying device on which the polarization data acquisition module (1) is mounted.
  7. 7. The monitoring system for identifying sea surface spills using the polarization state of light according to claim 1, characterized in that the monitoring system further comprises a display module (5) for data display of the monitoring system.
  8. 8. A monitoring method for identifying sea surface spilled oil by utilizing polarization state of light is characterized by comprising the following steps: acquiring polarized image data of a sea surface oil spill monitoring area; processing the obtained polarized image data of the sea surface oil spill monitoring area to obtain polarized state parameter information of the polarized image data; And carrying out primary identification of sea surface oil spill based on the polarization state parameter information of the polarization image data, and sending out alarm information if the sea surface oil spill is identified.
  9. 9. The method for monitoring sea surface oil spill identification by using the polarization state of light according to claim 8, wherein the sea surface oil spill primary identification is performed based on the polarization state parameter information of the polarization image data, if the sea surface oil spill is identified as not existing, polarized light defogging and bright spot inhibiting processing is performed on the polarization image data, the processed polarization image data is analyzed to obtain the polarization state parameter information of the processed polarization image data, the sea surface oil spill secondary identification is performed based on the polarization state parameter information of the processed polarization image data, and if the sea surface oil spill is identified as existing, alarm information is sent out.
  10. 10. The method of claim 8, wherein acquiring the polarized image data of the sea surface oil spill monitoring region comprises acquiring visible light image and infrared image data.

Description

Monitoring system and method for identifying sea surface spilled oil by utilizing polarization state of light Technical Field The invention relates to the technical field of beach shallow sea oil spill monitoring, in particular to a monitoring system and a method for identifying sea surface oil spill by utilizing a polarization state of light. Background The shallow beach is a sea area with shallow water outside the coastline, is a part of a land frame, is a transitional zone between the ocean and the land, generally comprises coastal beach, intertidal zone and shallow sea zone, and has the characteristics of tidal elimination as beach and flood tide as sea. The area is an area with abundant natural resources such as petroleum, natural gas and the like, and the oil and gas resources in the areas are explored, so that the area has important significance for guaranteeing national energy safety and promoting economic development. But in recent years, as the oil and gas exploration and production activities in shallow sea areas are expanding, the risk of oil spills is increasing. Therefore, it is necessary to monitor oil spill conditions to avoid excessive pollution to the marine environment. Traditional oil spill monitoring technologies include satellite remote sensing, aviation, ship remote sensing, oil spill radar, unmanned aerial vehicle video monitoring and the like, but these technologies have a series of limitations in beach shallow sea environments. The advantages of satellite remote sensing, such as wide coverage, strong data processing capability, etc., are limited by time interval, resolution and false alarm problems. The aviation and ship remote sensing technology has high cost, is difficult to access to the shallow sea area of the beach, and is greatly influenced by factors such as weather. Spilled radar monitoring is limited to fixed and mobile scanning ranges and is not capable of monitoring mud flat. The positioning of the negative pressure wave system of the oil pipeline is affected by complex environment, the sensitivity is low, and the false alarm rate is high. Unmanned aerial vehicle, unmanned ship video monitoring are limited to problems such as 4G network, weather condition, and optical information is difficult to machine read. In shallow beach areas, there are multiple difficulties in visible and infrared light monitoring, such as solar flare, environmental interference, limited field of view, severe weather limitations, and the like. The infrared light monitoring also has the problems of background interference, detection limit, false alarm rate and the like. Therefore, providing an oil spill monitoring system suitable for the shallow beach area is a technical problem to be solved. Disclosure of Invention Aiming at the problems, the invention provides a monitoring system and a method for identifying sea surface spilled oil by utilizing the polarization state of light, which can improve the sea surface spilled oil identification capability in the special environment of the beach shallow sea. A monitoring system for identifying sea surface spilled oil by utilizing a polarization state of light comprises a polarization data acquisition module, a data transmission module, a polarization data processing module and a control module; The polarized data acquisition module is used for acquiring polarized image data of the sea surface oil spill monitoring area; The data transmission module is used for transmitting the polarized image data of the sea surface oil spill monitoring area acquired by the polarized data acquisition module to the polarized data processing module; The polarization data processing module is used for analyzing and processing the received polarization image data of the sea surface oil spill monitoring area acquired by the polarization data acquisition module, carrying out primary identification on sea surface oil spill according to an analysis processing result, and sending out alarm information if the sea surface oil spill is identified to exist; the control module is used for controlling the operation and data processing of the monitoring system. As a further improvement of the invention, the polarization data processing module comprises a fog penetrating imaging unit and a sea surface bright spot processing unit, and is used for carrying out polarized light defogging and bright spot inhibiting processing on the polarization image data of the sea surface bright spot monitoring area acquired by the polarization data acquisition module when the polarization data processing module is used for identifying that sea surface bright spot does not exist for the first time, the polarization data processing module is used for carrying out analysis processing on the polarization image data after defogging and bright spot inhibiting processing, carrying out secondary identification on sea surface bright spot according to an analysis processing result, and sending out alarm information i