Real-time virtual ship video displaying method for AIS data

A display method and video-based technology, applied in ship traffic control, closed-circuit television systems, instruments, etc., can solve the problems of being unable to understand the real image of the ship and the intuitive navigation status, the large difference in the monitoring screen, and the inability to correspond to the ship, etc., to achieve good results The effect of ship correspondence and the effect of intuitive monitoring

Inactive Publication Date: 2014-08-27
TIANJIN RES INST FOR WATER TRANSPORT ENG M O T +2
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Problems solved by technology

[0005] Both the AIS system and the video surveillance system have unique monitoring effects in the monitoring of ships in inland waterways, and the two complement each other. Through the video surveillance system, we often only know that there is a ship at a certain location, but do not know other information about the ship; and The information displayed on the ship in the electronic channel chart is relatively rich, but it is impossible to understand the real image of the ship and the intuitive na

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  • Real-time virtual ship video displaying method for AIS data
  • Real-time virtual ship video displaying method for AIS data
  • Real-time virtual ship video displaying method for AIS data

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Embodiment Construction

[0021] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0022] See Figure 1 to Figure 5 , a real-time AIS data virtual ship video display method, comprising the steps of:

[0023] Step 1: Use the GPS positioning system to accurately locate the display area of ​​the ship on the electronic waterway map so that it is consistent with the area monitored by the video; the specific steps of the step 1 can be: adjust the proportion of the display area of ​​the electronic waterway map so that the four top corners The latitude and longitude of the position is consistent with the latitude and longitude of the four top corners in the video picture taken by the channel camera.

[0024] Correspond the channel area captured in the video monitoring picture with the corresponding position in the electronic chann...

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Abstract

The invention discloses a virtual ship real-time video displaying method for AIS data. The method includes the following steps that step1, a GPS is used for accurately positioning the ship displaying area of an electronic navigation channel chart and making the ship displaying area be in accordance with a video monitoring area; step2, the displaying ratio of the simulated ship size to the relative position size between simulated ships is adjusted in the electronic navigation channel chart, so that the displaying ratio of the simulated ship is in accordance with that of ships in video monitoring; step3, based on parameters which are received at this time and provided by an AIS signal, navigation tracks of the ships are predicated before a next AIS signal is received and displayed in the electronic navigation chart in a simulated mode, so that the positions of the simulated ships displayed in the electronic navigation channel chart are in accordance with the actual positions of the ships in video monitoring. Virtual ship video displaying is performed on the AIS data, the positions of the virtual ships are predicated, and the displayed AIS virtual ships accurately correspond to ship images in video monitoring.

Description

technical field [0001] The invention relates to a method, in particular to a video display method of a real-time AIS data virtual ship. Background technique [0002] At present, with the rapid development of the shipping industry in recent years and the increasingly busy water traffic, it is particularly important to ensure the safety of water traffic, which is directly related to social stability and the safety of people's lives and property. With the advancement of science and technology, various ship safety supervision technologies are constantly updated and developed. At present, water traffic management departments widely use ship monitoring methods, including AIS ship automatic identification system, video monitoring system, etc. [0003] AIS Ship Automatic Identification System (Automatic Identification System) is composed of shore-based base station equipment and ship-borne equipment. It is a digital navigation aid system integrating network technology, modern commu...

Claims

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Application Information

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IPC IPC(8): H04N7/18G08G3/00
Inventor 刘新苏淼马殿光程树军李华国张相波张波
Owner TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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