CN111599218A - Method for realizing river channel ship snapshot by adopting radar wave data - Google Patents
Method for realizing river channel ship snapshot by adopting radar wave data Download PDFInfo
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- CN111599218A CN111599218A CN202010423086.4A CN202010423086A CN111599218A CN 111599218 A CN111599218 A CN 111599218A CN 202010423086 A CN202010423086 A CN 202010423086A CN 111599218 A CN111599218 A CN 111599218A
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Abstract
The invention discloses a method for realizing capturing river channel ships by adopting radar wave data, which is characterized in that a high-definition river channel ship capturing system is used for carrying out all-weather real-time monitoring on a river channel on a monitored water surface and recording related picture data, and carrying out high-definition capturing on all ships passing through a bayonet and inputting data; the front-end processing system analyzes the shot images, automatically acquires data such as passing time, places, traveling directions, ship plate characters and numbers of ships and ships, transmits the acquired information to a database in the center of the bayonet system view library through a vpn network for data storage, query, comparison and other processing, and provides important information and evidence for timely detection and correction of cases such as traffic violation detection and correction, traffic accident escape, city garbage stealing, robbery and the like.
Description
Technical Field
The invention relates to a method for realizing river channel ship snapshot by adopting radar wave data.
Background
In recent years, with the continuous development of social economy, the urban and rural integrated construction is rapidly promoted, so that the social floating population is rapidly increased, and through planning and construction in recent years, safe cities in various regions generally construct three defense systems in the whole environment: 1. the system comprises an urban high-definition public security checkpoint system, an all-around intelligent checkpoint system, an all-around high-definition public security checkpoint system and a traffic police three-in-one electronic police system; 2. a social surface monitoring system, a village and back street alley social surface monitoring system, a traffic police 320 project and other series of image video monitoring subsystems; 3. social resources are integrated to accelerate the construction of technical and defense facilities in social public places such as safe communities, safe campuses and the like.
However, in the river course criss-cross in the water countryside of the south of the Yangtze river, due to technical reasons, the weak link of technical prevention is always, and how to utilize advanced technological means to restrain criminal and public security cases, traffic accidents, attack prevention of ship-related cases and frighten criminals, and further improve the comprehensive management level of the whole city public security becomes a great problem in the front of the public security department and the traffic department at present. The high-definition river channel and ship security snapshot system is just bred in the large environment.
Safe city construction is developed in various places according to the requirement of public security management, and a water surface monitoring camera is arranged in a main river channel to monitor the passing condition of water surface ships. However, the monitoring camera can only see a large amount of information, the characteristics of ship plates or transported goods need to be seen clearly are difficult, especially at night, due to insufficient light, video images are fuzzy, the track of the transported ships can only be found, and by arranging the river channel ship security snapshot system, the high-definition pictures of the river channel ships can be directly locked and snapshot in cooperation with the water surface monitoring system, so that high-definition picture evidences are provided for traffic management and security cases.
Disclosure of Invention
The invention aims to provide a method for realizing river channel ship snapshot by adopting radar wave data, which adopts a high-definition river channel ship snapshot system, and the system has the functions of millimeter wave radar measurement, image processing, mode identification, remote data access and the like; the method comprises the steps that all-weather real-time monitoring is carried out on a river channel monitoring the water surface through a high-definition river channel ship snapshot system, relevant picture data are recorded, and high-definition snapshot is carried out on all ships passing through a bayonet and data are recorded aiming at application characteristics of traffic transportation management and public security; the front-end processing system analyzes the shot images, automatically acquires data such as passing time, places, traveling directions, ship plate characters and numbers of ships and ships, transmits the acquired information to a database in the center of the bayonet system view library through a vpn network for data storage, query, comparison and other processing, and provides important information and evidence for timely detection and correction of cases such as traffic violation detection and correction, traffic accident escape, city garbage stealing, robbery and the like.
Preferably, the millimeter wave radar measures: a fast slope FMCW frequency modulation system is adopted, the distance and the speed of a target can be independently measured in a measuring period, and the real-time refresh rate of the target is 20 Hz; the millimeter wave radar can detect targets as far as 170m in a very short time and can distinguish the relative angle and speed of the two targets; target position output information is X-axis and Y-axis parameters under a Cartesian coordinate system, and later analysis and application of data are facilitated.
Preferably, an SOC chip processor is adopted to analyze and process the river radar wave data acquired by the millimeter wave radar, and when the data accord with the characteristics of the river ship, a rear-end snapshot camera and a flashing light are triggered to snapshot the river ship.
Preferably, parameters are set for the collected radar data and the detection area through the SOC processor, a software algorithm analyzes the data in real time, the data are judged after a ship enters the detection area, when the data accord with the characteristics of a river ship, a control command is output, a rear-end snapshot camera is triggered to be linked with a flashing light to snapshot the river ship, in order to adapt to the characteristic that a fleet (tug) generates continuous trigger signals, an optimization algorithm is made in the analysis software, and effective snapshot of continuous fleet information is achieved.
Preferably, the high-definition river channel and vessel snapshot system adopts a high-performance snapshot camera as information acquisition equipment at the front end, the image resolution is as high as 4096(H) x 2160(V) pixels, and all detailed information of ships and characteristics of transported goods can be clearly displayed on one picture.
Preferably, a main social stream 900-thousand high-definition public security snapshot machine and a customized large-angle flashing light are adopted to realize external trigger snapshot, and character recognition of ship side numbers is realized through an OCR (optical character recognition) picture character recognition technology, so that background retrieval and actual combat application are facilitated.
The invention has the advantages and beneficial effects that:
1. the invention fills the blank of the capturing system of the river channel ship, has low cost and convenient installation and debugging, and is beneficial to large-area popularization.
2. The river channel ship snapshot system realizes all-weather snapshot of the water surface target.
3. The invention does not adopt a scene light supplement unit of the snapshot camera, thereby avoiding light pollution.
Drawings
FIG. 1 is a system diagram of the present invention;
fig. 2 is a logic flow diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 and fig. 2, the invention provides a method for realizing river channel ship snapshot by using radar wave data, and a high-definition river channel ship snapshot system is adopted, and the system has the functions of millimeter wave radar measurement, image processing, mode identification, remote data access and the like; the method comprises the steps that all-weather real-time monitoring is carried out on a river channel monitoring the water surface through a high-definition river channel ship snapshot system, relevant picture data are recorded, and high-definition snapshot is carried out on all ships passing through a bayonet and data are recorded aiming at application characteristics of traffic transportation management and public security; the front-end processing system analyzes the shot images, automatically acquires data such as passing time, places, traveling directions, ship plate characters and numbers of ships and ships, transmits the acquired information to a database in the center of the bayonet system view library through a vpn network for data storage, query, comparison and other processing, and provides important information and evidence for timely detection and correction of cases such as traffic violation detection and correction, traffic accident escape, city garbage stealing, robbery and the like;
and (3) millimeter wave radar measurement: a fast slope FMCW frequency modulation system is adopted, the distance and the speed of a target can be independently measured in a measuring period, and the real-time refresh rate of the target is 20 Hz; the millimeter wave radar can detect targets as far as 170m in a very short time and can distinguish the relative angle and speed of the two targets; target position output information is X-axis and Y-axis parameters under a Cartesian coordinate system, and later analysis and application of data are facilitated.
Preferably, an SOC chip processor is adopted to analyze and process the river radar wave data acquired by the millimeter wave radar, and when the data accord with the characteristics of the river ship, a rear-end snapshot camera and a flashing light are triggered to snapshot the river ship.
Preferably, parameters are set for the collected radar data and the detection area through the SOC processor, a software algorithm analyzes the data in real time, the data are judged after a ship enters the detection area, when the data accord with the characteristics of a river ship, a control command is output, a rear-end snapshot camera is triggered to be linked with a flashing light to snapshot the river ship, in order to adapt to the characteristic that a fleet (tug) generates continuous trigger signals, an optimization algorithm is made in the analysis software, and effective snapshot of continuous fleet information is achieved.
Preferably, the high-definition river channel and vessel snapshot system adopts a high-performance snapshot camera as information acquisition equipment at the front end, the image resolution is as high as 4096(H) x 2160(V) pixels, and all detailed information of ships and characteristics of transported goods can be clearly displayed on one picture.
Preferably, a main social stream 900-thousand high-definition public security snapshot machine and a customized large-angle flashing light are adopted to realize external trigger snapshot, and character recognition of ship side numbers is realized through an OCR (optical character recognition) picture character recognition technology, so that background retrieval and actual combat application are facilitated.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A method for realizing channel ship snapshot by adopting radar wave data is characterized by comprising the following steps:
a high-definition river channel ship snapshot system is adopted, and the system has the functions of millimeter wave radar measurement, image processing, mode identification and remote data access;
all-weather real-time monitoring is carried out on the river channel on the monitored water surface through a high-definition river channel ship snapshot system, relevant picture data are recorded, and all ships passing through a bayonet are subjected to high-definition snapshot and data are recorded;
the front-end processing system analyzes the shot images, automatically acquires the passing time, the passing place, the passing direction, the ship plate characters and the number data of the ship and the ship, transmits the acquired information to a database in the bayonet system view library center through a vpn network for data storage, query and comparison processing, and provides information and evidence for traffic violation detection and correction, traffic accident escape, city garbage stealing and robbery cases.
2. The method for realizing the snapshot of the river channel ship by adopting the radar wave data as claimed in claim 1, wherein the millimeter wave radar measures: a fast slope FMCW frequency modulation system is adopted, the distance and the speed of a target are independently measured in a measuring period, and the real-time refresh rate of the target is 20 Hz; the millimeter wave radar can detect targets as far as 170m and can distinguish the relative angle and speed of the two targets; the target position output information is X-axis and Y-axis parameters under a Cartesian coordinate system.
3. The method for realizing the snapshot of the river vessel by the radar wave data according to claim 2, wherein an SOC chip processor is adopted to analyze and process the river radar wave data collected by the millimeter wave radar, and when the data accord with the characteristics of the river vessel, a rear-end snapshot camera and a flashing light are triggered to snapshot the river vessel.
4. The method for realizing the snapshot of the river vessel by the radar wave data according to claim 2, wherein the parameters are set for the collected radar data and the detection area through the SOC processor, the data are analyzed in real time through a software algorithm and judged after the vessel enters the detection area, and when the data accord with the characteristics of the river vessel, a control command is output to trigger the back-end snapshot camera to link with the flashing light to snapshot the river vessel.
5. The method for realizing the river channel vessel snapshot by adopting the radar wave data as claimed in claim 1, wherein the high-definition river channel vessel snapshot system adopts a high-performance snapshot camera as an information acquisition device at the front end, and the image resolution is as high as 4096(H) x 2160(V) pixels.
6. The method for realizing the snapshot of the river channel and the ship by adopting the radar wave data as claimed in claim 1, wherein 900 ten thousand high definition security snapshot machines and customized large-angle strobe lights are adopted to realize the external trigger snapshot, and the character recognition of the ship board number is realized by an OCR (optical character recognition) picture character recognition technology.
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| CN202010423086.4A CN111599218A (en) | 2020-05-19 | 2020-05-19 | Method for realizing river channel ship snapshot by adopting radar wave data |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984967A (en) * | 2021-10-25 | 2022-01-28 | 河北先河环保科技股份有限公司 | Ship tail gas monitoring method, device, system, terminal and storage medium |
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| CN207241978U (en) * | 2017-08-23 | 2018-04-17 | 南京信息工程大学 | A kind of sea collision prevention device |
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