WO2017060543A1 - Système de surveillance périphérique de cultures marines et similaires - Google Patents

Système de surveillance périphérique de cultures marines et similaires Download PDF

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Publication number
WO2017060543A1
WO2017060543A1 PCT/ES2015/070728 ES2015070728W WO2017060543A1 WO 2017060543 A1 WO2017060543 A1 WO 2017060543A1 ES 2015070728 W ES2015070728 W ES 2015070728W WO 2017060543 A1 WO2017060543 A1 WO 2017060543A1
Authority
WO
WIPO (PCT)
Prior art keywords
identification
marine
radar
platforms
detection
Prior art date
Application number
PCT/ES2015/070728
Other languages
English (en)
Spanish (es)
Inventor
Hugo Oliver HERNÁNDEZ BELDA
Antonio COLLAZOS CARRERA
Alfredo Carlos LERET VERDÚ
Original Assignee
Inteo Media Mobile, S.L.
CARCELEN PEÑA, Antonio
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inteo Media Mobile, S.L., CARCELEN PEÑA, Antonio filed Critical Inteo Media Mobile, S.L.
Priority to PCT/ES2015/070728 priority Critical patent/WO2017060543A1/fr
Publication of WO2017060543A1 publication Critical patent/WO2017060543A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/02—Agriculture; Fishing; Forestry; Mining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Definitions

  • the present invention relates to a perimeter surveillance system for marine crops and other assets at sea.
  • the object of the invention is to provide a powerful artificial vision system, capable of monitoring marine areas with surfaces that exceed 100 km by integrating and virtualizing the geographical and physical parameters (radar echoes) of the scene, as well as the translation of the real scene to a digital map with references located at scale that allows controlling a large area without the need for permanent staff assigned (24 hours a day, 7 days a week).
  • the invention is equally applicable in other areas of security and prevention of incidents in areas near coasts or certain fringes overseas.
  • thermal cameras from the ground has the disadvantage of their high cost, the low resolution in pixels that It is achieved at acceptable prices in civil electronics applications and its limited field of vision for the area to be covered, which makes the refreshment of information in the open field slow.
  • the detail of the images generally prevents a positive identification of the observed objects.
  • the surveillance system that is recommended resolves in a fully satisfactory way the problem previously exposed in each and every one of the aspects mentioned, based on the use of a radar sensor and artificial vision technology to interpret the digital radar video that allows to establish areas surveillance and virtual boundaries that are activated when an unauthorized vessel crosses them.
  • the information is centralized in cloud servers that provide accessibility and availability to the system.
  • Any user with access permissions can collect security information from any place and / or device simply by having an Internet access. Consequently, the system starts from the use of a radar and a series of identification platforms called MIDP that are distributed by marine facilities, and that work subordinate to radar information, so that they do not perform a search for targets without the guidance provided by the sensor Radar. This allows the operation and the system to be greatly simplified since the use of the platforms is closed to the identification in the last step of the supervision process.
  • MIDP platforms add a lifting system associated with a camera that eliminates the problem of waves and currents typical of the marine environment. This platform is separated and elevated a few meters from the sea surface and provides the necessary stability for recording images. When operating in a reduced optical field, near-infrared lighting bulbs are used that allow lighting up to distances of 300 meters.
  • the cameras will preferably be of the day / night type with vision in low light conditions. Since the system operates on demand the radar sensor can "be asleep" and protected most of the time even if it is at sea, considerably increasing its useful life, so that these cameras and their orientation means are only activated exclusively. when necessary.
  • the friend / enemy function is added through a secondary system that is equipped on work boats, which avoids false alarms when the aquaculture company ships fish within the marine culture.
  • the radar generates a digital video stream that is treated by an image processor, which generates communication messages to a cloud service with information on the detected targets, their position and time stamp among other data. .
  • the friendly ship detection system sends information on the position and time stamp of the friendly ships (slaughter ships of the client company)
  • All this information is stored in real time in a database as a cloud service so that it can be accessed remotely if you have an Internet connection and access permissions.
  • a Web application reads from the database, processes the information of the database and realizes the interface with the user through a simple graphical vector graphic application.
  • the processor of the images from the radar its objective is the extraction of targets for identification and monitoring.
  • the goodness of the algorithm is measured by:
  • the detection technique used is based on the generation of funds that record the persistence of each pixel in the succession of frames that make up the digital radar video. It is basically a statistical treatment to assign an image background value to each image area. These funds are updated with a certain periodicity that can be adjusted in the application. In fact, the application has a configuration file that allows a fine adjustment of the system according to each operating scenario.
  • the detection criterion is based on the calculation of the difference image that is the starting image for the further processing of the radar image.
  • the difference image is the result of subtracting the current frame pixel by pixel with the short and long term funds generated up to that moment.
  • the fixed parts of the image are eliminated because they are incorporated into the background and only the variations in the last frames would be recorded in the image. In practice, this is not so deterministic since the radar image has significant fluctuations that make the definition of a stable background complex.
  • the system of the invention can emulate in benefits to much more complex and expensive radars, not only matching them but also providing functionality not available in these as the differential treatment of targets and analysis compared to the objects of interest present in the scene (elements of the structure of aquaculture facilities such as buoys or fish breeding cages).
  • the information obtained from the image processor and the positioning system of friendly boats is managed by a web application, which incorporates the corresponding graphical interface to represent said data.
  • the web application accesses the Database from a server in the cloud and represents it in a vector graphic environment.
  • the targets are read with an identifier assigned by the image processor and have a time stamp and other relational elements associated for their correct presentation.
  • the web application performs a quarantine protocol to eliminate occasional targets that have been able to pass through the filters established in the image processor and thus suppose a filter not correlated with those used in the web application.
  • the early warning zones and alarms are represented according to the client criteria and all the relevant geozones such as cages and perimeter buoys that define the concession property of aquaculture companies are represented.
  • the information correlates the information from the image processor that comes from the radar and the positioning system of friendly ships so that it links the traces of both sources when it finds Sufficient similarity criteria between the two.
  • the radar traces identified by the application as generated by friendly ships do not cause alarm reporting.
  • the web application establishes hysteresis cycles, so that before declaring an alarm, it applies criteria of event duration and sequential occurrence / disappearance of the event. This prevents ships with no intention of intrusion and only touching the alarm zone causing false alarms (or alarms that, without being false, do not need to alert the security team)
  • the web application reports alarms to previously configured destinations.
  • the standard form of reporting is email.
  • the messages sent include detailed information about the alarm as well as an image (screenshot) of the moment the alarm was triggered.
  • the radar trace causing the alarm is highlighted to highlight the alarm event.
  • MIDP identification and deterrence platforms are materialized in a floating structure, with a top cover that can be operated, through which an outside system is required if a camera recording system is necessary day / night type, associated with a lifting platform, remotely controllable by a control unit.
  • the system is duly assisted by the corresponding energy source, such as batteries and a charge controller that are powered by solar panels.
  • the radar sensor when the radar sensor declares a possible intrusion, it sends an activation command to the platform in that area, transfers information about the position and speed of the threat, which It allows the platform to select the working mode among those previously configured.
  • Activation involves opening the upper cover of the floating structure by means of a curtain opening system using a continuous rotating motor.
  • the control unit orders the ignition of a drone in which the commented day / night camera is included, and the engine retention mechanism is released to allow it to be lifted.
  • the "drone" platform is connected by a guide wire with a conductive material that allows the platform to be fed from inside the floating structure.
  • the guide wire does not exert mechanical tension so that forces derived from the marine surface on the raised platform are not transmitted.
  • the elevation is made up to an approximate height of 3 meters.
  • the floating surface must be oriented following the coordinates sent by the radar sensor. All this part is controlled from the control unit that communicates the horizontal rotation that must be executed with respect to its reference position. At this point, recording starts by activating the camera and the IR lights. The system will execute a set of preset actions (tour) by changing the orientation and zoom level that is applied in each azimuth position. A tour can last about three minutes. Once the tour is complete, the control unit will command an order to pick up the lifting platform fixing system. This will be done harmoniously so that it returns to its original position in the floating structure. Then the top cover slides to its closed position. Finally, and to increase the life of the components, an internal drying cycle is performed to reduce the humidity inside the floating platform.
  • Figure 1 shows a representation corresponding to a schematic block diagram of the basic elements that participate in a system of perimeter surveillance of marine cultures and the like carried out in accordance with the object of the present invention.
  • Figure 2 shows a schematic elevation of one of the multiple identification platforms that participate in the system of the invention.
  • Figure 3.- Shows an example of a radar image of an aquaculture facility with several exploitation concessions in an area of 25 km and an operating range of 6 nautical nautical miles.
  • Figure 4.- Finally, it shows an example of the web application interface that participates in the system.
  • one or more detection nodes (1) a detection system of friendly ships (2), of any conventional type, participate in the system of the invention. whose data is sent through Internet connections (3) to a database (4) associated with a server (5), with a web application, which can be accessed remotely through a terminal (6 ), either a mobile phone, computer, tablet or similar, server (5) associated with an alarm center (7), as well as a series of identification platforms (8) conveniently distributed on the surface to be monitored.
  • the detection nodes (1) are essentially constituted from a radar (9) and an image processing system (10), as well as means of identification by GPS.
  • the detection nodes (1) may additionally include identification cameras associated therewith
  • the detection node or nodes can be installed on the coast with direct visibility over the observation aquaculture area or on a marine platform that, for this purpose, the aquaculture company has to manage its production.
  • the type of radar sensor used will depend on the range of surveillance and other factors related to observability and availability. of the site where it will be installed.
  • the image processor (2) its objective is the extraction of targets for identification and monitoring.
  • the detection technique used is based on the generation of funds that record the persistence of each pixel in the succession of frames that make up the digital radar video. It is basically a statistical treatment to assign an image background value to each image area. These funds are updated with a certain periodicity that can be adjusted in the application. In fact, the application has a configuration file that allows a fine adjustment of the system according to each operating scenario.
  • the detection criterion is based on the calculation of the difference image that is the starting image for the further processing of the radar image.
  • the difference image is the result of subtracting the current frame pixel by pixel with the short and long term funds generated up to that moment. In theory, the fixed parts of the image are eliminated because they are incorporated into the background and only the variations in the last frames would be recorded in the image.
  • the invention presented consists of frame-by-frame processing and within each of them pixel by pixel of the image in real time.
  • the pixel is the minimum unit of information in digital image. This allows an almost immediate update of the variations of the scene and to record the movement of any vessel in the surroundings of the observed area, positioning with reference to the (virtual) boundaries of the observed area. These virtual boundaries are, since they are established on a digital map without existing in the marine area.
  • the effect is the same for all purposes to that of an intrusion detection system: when a vessel transfers them, a series of alarm mechanisms are activated that allow talking about a "Cyber-guard" element. That is, there is no human operator dedicated to the observation 24 hours a day, seven days a week of the observation area (which on the other hand would be complex) but the system automatically alerts about any incident of interest .
  • the friendly ship detection system (2) is equipped on work boats, which avoids false alarms when the aquaculture company ships fish within the marine culture.
  • the radar (1) generates a digital video stream that is treated by the image processor (2). This generates as output some communication messages to a server (5) in the cloud with information on the detected targets, their position and time stamp among other data.
  • the friendly ship detection system (2) sends information on the position and time stamp of the friendly ships (slaughter ships of the client company)
  • the Web application reads from the database, processes the information of the database and performs the user interface through a simple graphical vector graphic application Access to the application is extremely agile. You must only have a terminal (6) (any device, any operating system) that can be connected to the Internet and authenticate to the application.
  • FIG. 2 The structuring of this type of platforms is shown schematically in Figure 2. It consists of a floating floating structure (11), in which a lower compartment is defined, in which the batteries (12), a control unit (13), and a drive mechanism (14) are stored, being defined an upper compartment (15), assisted by an upper cover
  • the activation of the platform (8) implies the opening of the upper cover of the floating structure by means of a curtain opening system using a continuous rotating motor.
  • the control unit (13) orders the ignition of the drone and the engine retention mechanism is released to allow it to be lifted.
  • the floating surface must be oriented following the input coordinates. This whole part is controlled from the control unit (13) that communicates the horizontal rotation that must be executed with respect to its reference position. At this point, recording starts by activating the camera and the IR lights. The system will execute a set of preset actions (tour) by changing the orientation and zoom level that is applied in each azimuth position. A tour can last about three minutes. Once the tour is complete, the control unit (13) will command an order to collect the lifting platform fixing system (17). This will be done harmoniously so that it returns to its original position in the floating structure. Then the top cover slides to its closed position.
  • the platform also has a series of solar panels associated with the platform's power supply means, in order to allow a total autonomy of it.
  • the trajectory in question is highlighted on the map.
  • the application operates in two modes: Review and Direct, which refer to respectively if we are in viewing mode or real time.
  • a permissions criterion is established to access security information.
  • a user may be: Authorized to consult an installation. For example, the head of security of a specific production center

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Primary Health Care (AREA)
  • Theoretical Computer Science (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • Human Resources & Organizations (AREA)
  • General Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Marketing (AREA)
  • Economics (AREA)
  • Health & Medical Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Zoology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Agronomy & Crop Science (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un système qui comprend un ou plusieurs nœuds de détection (1), constitués d'un radar (9), d'un système processeur d'images (10) et de moyens d'identification par GPS, et un système de détection d'embarcations amies (2), dont les données sont envoyées par connexion Internet (3) à une base de données (4) associée à un serveur (5), avec une application Web, à laquelle il est possible d'accéder à distance au moyen d'un terminal (6), par exemple un téléphone portable, un ordinateur, une tablette ou similaire, un serveur (5) associé à une centrale d'alarmes (7), ainsi qu'une série de plateformes d'identification (8) uniformément réparties sur la surface à surveiller, activables en fonction des informations fournies par les nœuds de détection (1), lesquelles disposent d'un logiciel pour identifier tout type d'intrusion à partir de l'analyse des images fournies par le radar, ce qui a pour effet d'activer la plateforme d'identification (8) la plus proche pour identifier l'"intrus".
PCT/ES2015/070728 2015-10-07 2015-10-07 Système de surveillance périphérique de cultures marines et similaires WO2017060543A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/ES2015/070728 WO2017060543A1 (fr) 2015-10-07 2015-10-07 Système de surveillance périphérique de cultures marines et similaires

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2015/070728 WO2017060543A1 (fr) 2015-10-07 2015-10-07 Système de surveillance périphérique de cultures marines et similaires

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021017001A1 (fr) * 2019-08-01 2021-02-04 唐山哈船科技有限公司 Système de détection et procédé de détection de fosse urbaine ennoyée
US11262447B2 (en) * 2017-02-24 2022-03-01 Japan Aerospace Exploration Agency Flying body and program

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006088554A1 (fr) * 2005-01-13 2006-08-24 Sensis Corporation Procede et systeme de poursuite de la position d'un objet a l'aide de dispositifs de surveillance imageurs et non imageurs
ES2426013A1 (es) * 2013-09-13 2013-10-18 Universidad Politécnica De Cartagena Sistema y método para la orientación de una placa solar fotovoltaica instalada en una boya marina
US20140062757A1 (en) * 2006-06-08 2014-03-06 Vista Research, Inc. Sensor suite and signal processing for border surveillance
US20140097979A1 (en) * 2012-10-09 2014-04-10 Accipiter Radar Technologies, Inc. Device & method for cognitive radar information network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006088554A1 (fr) * 2005-01-13 2006-08-24 Sensis Corporation Procede et systeme de poursuite de la position d'un objet a l'aide de dispositifs de surveillance imageurs et non imageurs
US20140062757A1 (en) * 2006-06-08 2014-03-06 Vista Research, Inc. Sensor suite and signal processing for border surveillance
US20140097979A1 (en) * 2012-10-09 2014-04-10 Accipiter Radar Technologies, Inc. Device & method for cognitive radar information network
ES2426013A1 (es) * 2013-09-13 2013-10-18 Universidad Politécnica De Cartagena Sistema y método para la orientación de una placa solar fotovoltaica instalada en una boya marina

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"VPCUL vigilancia perimetral cultivos marinos", INTEO MEDIA MOBILE, 24 June 2013 (2013-06-24), XP055372203, Retrieved from the Internet <URL:http://www.inteomedia.com/files/VPCULDesc.pdf> *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11262447B2 (en) * 2017-02-24 2022-03-01 Japan Aerospace Exploration Agency Flying body and program
WO2021017001A1 (fr) * 2019-08-01 2021-02-04 唐山哈船科技有限公司 Système de détection et procédé de détection de fosse urbaine ennoyée

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