WO2022068098A1 - 一种虚拟道闸系统和虚拟道闸的控制方法 - Google Patents

一种虚拟道闸系统和虚拟道闸的控制方法 Download PDF

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Publication number
WO2022068098A1
WO2022068098A1 PCT/CN2020/139063 CN2020139063W WO2022068098A1 WO 2022068098 A1 WO2022068098 A1 WO 2022068098A1 CN 2020139063 W CN2020139063 W CN 2020139063W WO 2022068098 A1 WO2022068098 A1 WO 2022068098A1
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WIPO (PCT)
Prior art keywords
vehicle
image
control signal
preset position
virtual
Prior art date
Application number
PCT/CN2020/139063
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English (en)
French (fr)
Inventor
李书福
Original Assignee
浙江吉利控股集团有限公司
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Publication date
Application filed by 浙江吉利控股集团有限公司 filed Critical 浙江吉利控股集团有限公司
Priority to US18/029,168 priority Critical patent/US20230274595A1/en
Priority to EP20956114.1A priority patent/EP4206403A4/en
Publication of WO2022068098A1 publication Critical patent/WO2022068098A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G06T19/20—Editing of 3D images, e.g. changing shapes or colours, aligning objects or positioning parts
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/103—Static body considered as a whole, e.g. static pedestrian or occupant recognition
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2227/00—Mechanical components or mechanical aspects not otherwise provided for
    • G03H2227/03—Means for moving one component
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
    • G06T2219/20—Indexing scheme for editing of 3D models
    • G06T2219/2012—Colour editing, changing, or manipulating; Use of colour codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2219/00—Indexing scheme for manipulating 3D models or images for computer graphics
    • G06T2219/20—Indexing scheme for editing of 3D models
    • G06T2219/2021—Shape modification
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625—License plates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V2201/00—Indexing scheme relating to image or video recognition or understanding
    • G06V2201/08—Detecting or categorising vehicles
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/10—Movable barriers with registering means

Definitions

  • the invention relates to the technical field of channel equipment, in particular to a virtual gate system and a control method of the virtual gate.
  • a barrier is a device that is widely used in passages to manage the entry and exit of vehicles, pedestrians, etc.
  • the gate is usually a mechanical mechanism, which is mainly composed of a rotating lever and a rotating mechanism.
  • the gate of this kind of mechanical structure is prone to failure, and is prone to smashed vehicles or injured pedestrians, and often requires on-site maintenance by special personnel. Once the parts of the gate are faulty or damaged, it is not easy to replace.
  • advertisements and other promotional materials are usually set on the surface of the gate by pasting, and it is difficult to switch or change the promotional materials.
  • a virtual road gate system and a control method of the virtual road gate are proposed to overcome the above problems or at least partially solve the above problems.
  • One object of the present invention is to provide a virtual barrier system and a control method for the virtual barrier, which virtualize the physical barrier through the air holographic projection technology, so as to solve the problem that the existing barrier is prone to mechanical failure, smashes vehicles or smashes. The problem of hurting pedestrians and requiring special personnel to guard them.
  • a further object of the present invention is to realize target-targeted image switching of the gate by recognizing the attributes of the target object and changing the projected three-dimensional holographic image of the virtual gate according to the attributes of the target object.
  • a virtual gate system including a control device and a holographic projection device connected to the control device;
  • control device is configured to generate a first control signal based on the activation signal and send the first control signal to the holographic projection device;
  • the holographic projection device is configured to project a three-dimensional holographic image with a specified shape to a preset position as a virtual gate according to the first control signal.
  • the three-dimensional holographic image contains specific characters or patterns
  • the holographic projection device is also configured to switch specific characters or patterns according to preset rules.
  • the virtual barrier system further includes:
  • a first image acquisition and analysis device connected to the control device, is configured to collect image data in a first designated area before the preset position in the direction in which the object moves toward the preset position, and identify the image data to obtain the image data in the first designated area properties of the target object, and send the properties of the target object to the control device;
  • the control device is further configured to generate a second control signal according to the property of the target object and send the second control signal to the holographic projection device;
  • the holographic projection device is further configured to change the three-dimensional holographic image projected to the preset position according to the second control signal.
  • the target object is a vehicle
  • Attributes include at least one of the following: license plate number, model, color.
  • the specific text contains a welcome message that matches the attributes of the vehicle
  • the control device is further configured to generate a third control signal according to the property of the vehicle and send the third control signal to the holographic projection device;
  • the holographic projection device is further configured to display a welcome message matching the attributes of the vehicle in the three-dimensional holographic image according to the third control signal.
  • the virtual road gate system further includes a second image acquisition and analysis device and an alarm device respectively connected to the control device;
  • the second image collection and analysis device is configured to collect image data in a second designated area before the preset position in the direction that the vehicle is traveling toward the preset position, and process the image data to obtain the driving data of the vehicle in the second designated area, And send the driving data of the vehicle to the control device;
  • the control device is further configured to generate an alarm signal according to the driving data of the vehicle and send the alarm signal to the alarm device;
  • the alarm device is configured to alarm according to the alarm signal.
  • the preset position is the entrance or exit of the garage
  • the holographic projection device is arranged on the ceiling or sidewall at the entrance or exit of the garage.
  • a method for controlling a virtual gate including:
  • a three-dimensional holographic image with a specified shape is projected to a preset position as a virtual gate.
  • the three-dimensional holographic image contains specific characters or patterns
  • the method also includes:
  • the method further includes:
  • the second control signal is generated according to the property of the target object, and the three-dimensional holographic image projected to the preset position is changed according to the second control signal.
  • the target object is a vehicle
  • the specific text contains a welcome message matching the attributes of the vehicle
  • the method also includes:
  • a third control signal is generated according to the attribute of the vehicle, and a welcome message matching the attribute of the vehicle is displayed in the three-dimensional holographic image according to the third control signal.
  • the target object is a vehicle
  • the method further includes:
  • An alarm signal is generated according to the driving data of the vehicle, and an alarm is given according to the alarm signal.
  • the virtual gate system and the virtual gate control method proposed by the embodiments of the present invention project a three-dimensional holographic image with a specified shape to a preset position as a virtual gate according to a first control signal generated based on a start signal.
  • the virtual barrier is obtained by virtualizing the physical barrier into an air holographic projection image by using air holographic projection technology. It has high technology content, is not prone to mechanical failure, and will not cause the barrier to smash vehicles or pedestrians. Special personnel to guard, thereby improving the safety of the barrier and reducing labor costs.
  • the designated shape of the three-dimensional holographic image of the virtual road gate can be preset and has various forms, so that the virtual road gate can be used in different application places, and the adaptability of the virtual road gate can be enhanced.
  • the solution of the embodiment of the present invention can also identify the attributes of the target object that is about to pass through the virtual gate, and then change the projected three-dimensional holographic image according to the second control signal generated based on the attributes of the target object, so as to realize the target-targeted object.
  • the image switching of the barrier gate improves the user experience of the target person passing through the barrier gate.
  • FIG. 1 shows a schematic structural diagram of a virtual gate system according to an embodiment of the present invention
  • FIG. 2 shows a schematic structural diagram of a virtual gate system according to another embodiment of the present invention.
  • FIG. 3 shows a schematic diagram of an application scenario of a virtual gate system according to an embodiment of the present invention
  • FIG. 4 shows a schematic flowchart of a method for controlling a virtual gate according to an embodiment of the present invention
  • FIG. 5 shows a schematic flowchart of a method for controlling a virtual gate according to another embodiment of the present invention.
  • an embodiment of the present invention provides a virtual road gate system.
  • FIG. 1 shows a schematic structural diagram of a virtual gate system 10 according to an embodiment of the present invention.
  • the virtual gate system 10 may at least include a control device 100 and a holographic projection device 200 connected to the control device 100 .
  • the control apparatus 100 may generate the first control signal based on the activation signal, and transmit the first control signal to the holographic projection apparatus 200 .
  • the activation signal may be input by the user, for example, through a user interface of the control device 100, or may be generated according to a preset trigger condition, for example, the control device 100 automatically generates the activation signal when a preset time arrives.
  • the holographic projection device 200 projects a three-dimensional holographic image with a specified shape to a preset position as a virtual gate according to the received first control signal.
  • the preset location can be any location where target object access management is required, such as traffic light intersections, highway toll booths, parking lot entrances and exits, community entrances and exits, etc.
  • the holographic projection apparatus 200 uses the air holographic projection technology to perform three-dimensional holographic image projection.
  • Holographic projection technology also known as virtual imaging technology, refers to a technology that uses the principles of interference and diffraction to record and reproduce the real three-dimensional image of an object.
  • Air holographic projection technology is a cutting-edge technology in holographic projection technology. It can be separated from the dependence of media and realize holographic three-dimensional aerial imaging, thereby realizing omnidirectional stereo imaging of any object without media.
  • the holographic projection device 200 projects a three-dimensional holographic image with a specified shape to a preset position as a virtual gate according to the first control signal of the control device 100 .
  • the virtual barrier is obtained by virtualizing the physical barrier into an air holographic projection image by using air holographic projection technology. It has high technology content, is not prone to mechanical failure, and will not cause the barrier to smash vehicles or pedestrians. Special personnel to guard, thereby improving the safety of the barrier and reducing labor costs.
  • the specified shape of the three-dimensional holographic image projected by the holographic projection device 200 may be preset.
  • the shape of the projected three-dimensional holographic image can be set to the shape of a character, a specific mascot, a gate, etc., so that an image of a character, a specific mascot, or a gate can be holographically projected as a virtual gate.
  • the specified shape of the three-dimensional holographic image projected by the holographic projection device 200 can also be set to be similar to the shape of the horizontally rotating rod of the lifting rod of the existing road gate, so that the visual effect of the virtual road gate is closer to that currently adopted. Physical gate. Therefore, by presetting the specified shapes of the three-dimensional holographic images of different forms of virtual barriers, various forms of virtual barriers can be realized, so that the virtual barriers can be used in different application places, and the adaptability of the virtual barriers is enhanced.
  • the holographic projection apparatus 200 when the holographic projection apparatus 200 performs the projection of the three-dimensional holographic image, specific characters or patterns may also be added to the projected three-dimensional holographic image.
  • the text may be, for example, an advertisement slogan, a slogan, a welcome speech, etc., and the pattern may be, for example, an advertisement screen, a brand logo, and the like.
  • the holographic projection device 200 can also switch these specific characters or patterns according to preset rules, for example, according to a preset sequence and periodic sequence, or according to the instruction of the control device 100 . Therefore, the virtual barrier system 10 of the embodiment of the present invention can realize the rapid switching of advertising materials such as advertisements, and solve the problem of difficulty in changing advertisements at the existing barriers.
  • the virtual road gate system 10 may further include a first image acquisition and analysis device 300 .
  • the first image acquisition and analysis device 300 is connected to the control device 100 .
  • the first image collection and analysis device 300 collects image data in the first designated area before the preset position in the direction in which the object moves toward the preset position, and identifies the image data to obtain the attributes of the target object in the first designated area,
  • the attribute of the target object is sent to the control device 100 .
  • the first designated area is an area adjacent to the preset position where the object moves toward the preset position but has not yet reached the preset position.
  • the target object may be, for example, a vehicle, a pedestrian, or the like. Attributes of target objects refer to object characteristics that can be used to distinguish different target objects. For example, when a vehicle is a target object, its attributes may include license plate number, model, color, and so on.
  • control apparatus 100 may also generate a second control signal according to the property of the target object and transmit the second control signal to the holographic projection apparatus 200 .
  • the holographic projection apparatus 200 can also change the three-dimensional holographic image projected to the preset position according to the second control signal. Specifically, the shape of the three-dimensional holographic image projected to the preset position can be changed.
  • the 3D holographic image projected by the holographic projection device 200 to the preset position according to the first control signal is an image of a closed door
  • the control device 100 when the attribute of the pedestrian in the first designated area (indicating that a pedestrian is about to pass the preset position), the control device 100 generates a second control signal according to the identified pedestrian attribute, and then the holographic projection device 200 projects the projected image according to the second control signal.
  • the 3D holographic image changes to an image of an open door.
  • the holographic projection device 200 can restore the projected three-dimensional holographic image to the closed gate image.
  • the three-dimensional holographic image projected by the holographic projection device 200 to the preset position according to the first control signal is an image of a horizontally rotating rod
  • the control device 100 determines that the vehicle can pass through according to the identified attribute of the vehicle, and then generates a second control signal, and then the holographic projection device 200 projects the projected three-dimensional hologram according to the second control signal.
  • the image changes to the image with the pan lever up.
  • the holographic projection device 200 can restore the projected three-dimensional holographic image to a pan image.
  • the first image acquisition and analysis device 300 is used to identify the properties of the target object that will pass through the virtual gate, and then the holographic projection device 200 can change the projected image according to the second control signal generated by the control device 100 based on the properties of the target object.
  • the three-dimensional holographic image realizes the target-targeted image switching of the gate, thereby improving the use experience of the target person passing through the gate.
  • the first image acquisition and analysis apparatus 300 may be a first camera.
  • the first camera can use an existing recognition method to recognize the collected image data to obtain the attribute of the target object, which should be known by those skilled in the art, and will not be described in detail herein.
  • the control device 100 may also generate a third control signal according to the attribute of the target object and send the third control signal to the third control signal. Sent to the holographic projection device 200 . Furthermore, the holographic projection apparatus 200 can also switch specific characters or patterns in the three-dimensional holographic image according to the third control signal.
  • the attributes of the target object may include license plate number, model, color, and the like. Those skilled in the art can understand that different license plate numbers, models, colors, etc. (especially license plate numbers) can often represent different identities of drivers or passengers of the vehicle.
  • the control device 100 generating the third control signal according to the attributes of the vehicle, and then the holographic projection device 200 switching the specific characters or patterns in the three-dimensional holographic image according to the third control signal, the presentation of personalized characters or patterns can be realized.
  • the specific words or patterns may be, for example, welcome words or welcome pictures that match the attributes of the vehicle.
  • the holographic projection device 200 may display a welcome message or a welcome picture matching the attributes of the vehicle in the three-dimensional holographic image according to the third control signal.
  • the holographic projection device 200 can switch the welcome word in the three-dimensional holographic image (ie, the virtual road gate) to "Welcome"; when the recognized license plate number When the number indicates that the driver or passenger of the vehicle is a senior leader, the holographic projection device 200 can switch the welcome language in the three-dimensional holographic image to "welcome the leader to come and guide”; when the recognized license plate number indicates that the driver or passenger of the vehicle is an employee , the holographic projection device 200 can switch the welcome language in the three-dimensional holographic image to "innovative and hard work, keep improving", and so on.
  • this personalized text or pattern scene-based operations for different target characters are realized, and the use experience is better.
  • the holographic projection device 200 when the holographic projection device 200 has been configured to switch specific characters or patterns in the three-dimensional holographic image according to preset rules, the holographic projection device 200 can be set to give priority when receiving the third control signal The specific characters or patterns in the three-dimensional holographic image are switched according to the third control signal, so as to individually present the characters or patterns on the virtual road gate for the target object.
  • the second camera can process the collected image data by using an existing processing method to obtain the driving data of the vehicle, which should be known to those skilled in the art, and will not be described in detail herein.
  • the second image acquisition and analysis device it is possible to monitor the driving state of the vehicle that is about to pass through the virtual road gate at the preset position, so as to discover the illegal behavior of the vehicle in time.
  • the first designated area and the second designated area may be the same or different areas.
  • the first image acquisition and analysis apparatus 300 and the second image acquisition and analysis apparatus 400 can use the same camera, thereby reducing the number of system components and costs.
  • the second designated area may be located before the first designated area in the direction that the vehicle is traveling toward the preset position, the first image acquisition and analysis device 300 and the second image acquisition and analysis device 300
  • the device 400 is implemented by two independent cameras.
  • the analyzing device 400 collects and analyzes the driving data of the vehicle in the second designated area before the first designated area, which can reflect the driving state of the vehicle more accurately, thereby more accurately discovering the illegal behavior of the vehicle.
  • the virtual road gate system 10 may further include an alarm device 500 connected to the control device 100 .
  • the control device 100 after receiving the driving data of the vehicle sent by the second image capturing and analyzing device 400 , the control device 100 generates a warning signal according to the driving data of the vehicle and sends the warning signal to the warning device 500 .
  • the control device 100 can determine whether the vehicle has violated regulations (for example, whether it is speeding, whether the lane is illegally used, etc.) according to the driving data of the vehicle, and if there is an illegal behavior, it will generate an alarm signal and send the alarm signal to the alarm device 500 .
  • the alarm device 500 performs an alarm according to the received alarm signal.
  • the manner in which the alarm device 500 performs an alarm may include a voice alarm, an image display (eg, text or picture) alarm, and the like.
  • the alerting device 500 may be integrated with the holographic projection device 200 (eg, the alerting device 500 may be implemented by integrating an alerting function in the holographic projection device 200).
  • the holographic projection device 200 can directly add warning information (such as text or picture information) to the projected three-dimensional holographic image to prompt the driver of the vehicle to violate regulations.
  • the second image acquisition and analysis device 400 can also identify the acquired image data to obtain the attributes of the vehicle in the second designated area while processing the driving data of the vehicle, and compare the acquired image data.
  • the attributes of the vehicle are transmitted to the control device 100 together with the travel data of the vehicle.
  • the control device receives the attributes of the vehicle in the first designated area currently sent by the first image capture and analysis device 300 (may be referred to as the attributes of the first vehicle) and the attributes in the second designated area sent by the second image capture and analysis device 400 After the attribute of the vehicle (may be called the attribute of the second vehicle), it is determined whether the attribute of the first vehicle is consistent with the attribute of the second vehicle. If they are consistent, an alarm signal will be generated according to the driving data of the vehicle in the second designated area.
  • the warning device 500 integrated with the holographic projection device 200 It is sent to the warning device 500 integrated with the holographic projection device 200, and then the holographic projection device 200 warns the vehicles in the first designated area in front of the virtual road gate.
  • This method is especially suitable for situations where the traffic flow is large and/or the first designated area is far away from the second designated area, and the pertinence and accuracy of the alarm can be ensured.
  • control device 100 may also upload the illegal behavior of the vehicle to the vehicle management center for recording through the network connection component.
  • FIG. 3 shows a schematic diagram of an application scenario of the virtual road gate system 10 according to an embodiment of the present invention.
  • the virtual barrier system 10 is applied to a garage (eg, an underground garage).
  • the preset position may be the entrance or exit of the garage (specifically, the entrance of the garage in FIG. 3 ).
  • the holographic projection device 200 can be arranged on the ceiling or sidewall at the entrance or exit of the garage, and projects a three-dimensional holographic image to the entrance or exit of the garage to form a virtual road gate.
  • the location of the holographic projection device 200 may be directly opposite the entrance or exit of the garage or in the vicinity of the entrance or exit of the garage.
  • the first camera 300 can be set at a position adjacent to the holographic projection device 200, and is used to collect image data of the vehicle in front of the virtual road gate, and identify the attributes of the vehicle.
  • the second camera 400 is disposed at a position relatively far from the entrance or exit of the garage, and is used to collect image data of the vehicle on the way to the virtual road gate, and process the vehicle's driving data. It should be noted that the control device 100 is not shown in FIG. 3 .
  • control device 100 can be set in the central control room of the garage or any other appropriate location, as long as the holographic projection device 200 and the first camera 300 can be ensured
  • connection communication with the second camera 400 is sufficient.
  • This embodiment not only realizes the virtualization of the physical barriers, overcomes the problems that the existing physical barriers are prone to mechanical failure, easily smashed vehicles or pedestrians, and needs to be guarded by special personnel, but also realizes the flexibility of target-targeted images. , Fast switching, and can effectively monitor the driving behavior of the vehicle.
  • an embodiment of the present invention also provides a control method for a virtual gate.
  • FIG. 4 shows a schematic flowchart of a method for controlling a virtual gate according to an embodiment of the present invention.
  • the method may at least include the following steps S402 to S404.
  • Step S402 generating a first control signal based on the start signal.
  • Step S404 project a three-dimensional holographic image with a specified shape to a preset position as a virtual gate according to the first control signal.
  • the virtual gate obtained by using the air holographic projection technology to virtualize the physical gate into the air holographic projection image has high technology content, is not prone to mechanical failure, and does not In the event of a road gate smashing a vehicle or smashing a pedestrian, there is no need for a special person to guard it, thereby improving the safety of the road gate and reducing labor costs.
  • the specified shape of the projected three-dimensional holographic image may be preset.
  • the shape of the projected three-dimensional holographic image can be set in the shape of a character, a specific mascot, a gate, or even a horizontally rotating pole similar to the lifting pole of an existing road gate.
  • the projected three-dimensional holographic image may contain specific characters or patterns.
  • the text may be, for example, an advertisement slogan, a slogan, a welcome speech, etc.
  • the pattern may be, for example, an advertisement screen, a brand logo, and the like.
  • the control method of the virtual gate of the present invention may further perform the following steps: switch specific characters or patterns in the three-dimensional holographic image according to preset rules. For example, switching is performed according to a preset sequence and cycle sequence, or switching is performed according to a corresponding control instruction. Therefore, the embodiment of the present invention can realize the rapid switching of advertisements and other publicity materials, and solve the problem of difficulty in changing advertisements at the existing road gates.
  • control method for a virtual gate of the present invention may further include the following steps:
  • Step S406 Collect image data in the first designated area before the preset position in the direction in which the object moves toward the preset position, and identify the image data to obtain attributes of the target object in the first designated area.
  • the first designated area is an area adjacent to the preset position where the object moves toward the preset position but has not yet reached the preset position.
  • the target object may be, for example, a vehicle, a pedestrian, or the like.
  • Attributes of target objects refer to object characteristics that can be used to distinguish different target objects. For example, when a vehicle is a target object, its attributes may include license plate number, model, color, and so on.
  • Step S408 generating a second control signal according to the attribute of the target object, and changing the three-dimensional holographic image projected to the preset position according to the second control signal.
  • the shape of the three-dimensional holographic image projected to the preset position can be changed according to the second control signal.
  • the 3D holographic image projected to the preset position according to the first control signal in step S404 is the image of the horizontal rotation rod
  • the image data of the vehicle in the first designated area is obtained.
  • a second control signal is generated according to the recognized attribute of the vehicle, and then the projected three-dimensional holographic image is changed to an image of the horizontal rotation rod lifted according to the second control signal. After the vehicle passes the preset position, the projected three-dimensional holographic image can be restored to the panning rod image.
  • the projected 3D holographic image can be changed according to the second control signal generated based on the properties of the target object, so as to realize the target-specific barrier gate image switching, Thereby improving the user experience of the target person passing through the barrier.
  • a third control signal can also be generated according to the properties of the target object, and the specific characters in the 3D holographic image can be switched according to the third control signal or pattern.
  • the attributes of the target object may include license plate number, model, color, and the like. Since the attributes of the vehicle can often represent the different identities of the driver or passengers of the vehicle, the third control signal is generated according to the attributes of the vehicle, and then the specific characters or patterns in the three-dimensional holographic image are switched according to the third control signal, which can realize personalization. The presentation of the text or pattern.
  • the specific words or patterns in the three-dimensional holographic image may be welcome words or welcome pictures that match the attributes of the vehicle.
  • a welcome message or a welcome picture matching the attributes of the vehicle may be displayed in the three-dimensional holographic image according to the third control signal.
  • the third control signal may carry the attributes of the vehicle, and according to the attributes of the vehicle, a welcome message or welcome picture matching the attributes of the vehicle is found and displayed.
  • the welcome language in the three-dimensional holographic image (that is, the virtual road gate) can be switched to "Welcome ”; when the recognized license plate number indicates that the driver or passenger of the vehicle is a high-level leader, the welcome language in the three-dimensional holographic image can be switched to “welcome the leader to come and guide”; when the recognized license plate number represents the driver or passenger of the vehicle When the passenger is an employee, the welcome language in the three-dimensional holographic image can be switched to "innovative struggle, excellence," and so on.
  • the specific characters or patterns in the 3D holographic image are preferentially switched according to the third control signal. Text or pattern to present the text or pattern on the virtual barrier for the target object.
  • step S406 before collecting the image data in the first designated area before the preset position in the direction in which the object moves toward the preset position in step S406, the following steps may be further performed: collecting the image data of the vehicle traveling toward the preset position.
  • the image data in the second designated area before the preset position in the direction is processed to obtain the driving data of the vehicle in the second designated area.
  • Driving data may include driving speed, driving lane, driver status (eg, whether the driver is wearing a seat belt), and the like.
  • an alarm signal can be generated according to the driving data of the vehicle, and an alarm can be given according to the alarm signal. Specifically, it can be judged whether the vehicle has illegal behavior (eg, whether it is speeding, whether the lane is illegally used, etc.) according to the driving data of the vehicle.
  • the manner of alerting may include voice alerting, image display (such as text or picture) alerting, and the like.
  • the timing of the warning can be given when the vehicle is found to be in violation of regulations, or the warning can be given when the vehicle enters the first designated area before the virtual road gate. If the vehicle enters the first designated area before the virtual road gate and then gives an alarm, the warning information (such as text or picture information) can be directly added to the projected 3D holographic image to remind the vehicle driver that there is a violation of regulations.
  • the first designated area and the second designated area may be the same or different areas.
  • the second designated area may be located before the first designated area in the direction in which the vehicle travels toward the preset position. Since the speed of the vehicle is usually reduced to a very low level when it reaches the first designated area adjacent to the location of the virtual road gate, the driving data obtained at this time cannot reflect the real driving state of the vehicle on the way. The driving data of the vehicle in the second designated area before the first designated area can more accurately reflect the driving state of the vehicle, thereby more accurately discovering the illegal behavior of the vehicle.
  • the collected image data in the second designated area when the collected image data in the second designated area is processed to obtain the driving data of the vehicle, the collected image data can also be identified to obtain the attributes of the vehicle in the second designated area. (Might as well call it a property of the second vehicle). In this way, after identifying the image data collected in the first designated area to obtain the attributes of the vehicle (which may be referred to as the attributes of the first vehicle), it can be determined whether the attributes of the first vehicle are consistent with the attributes of the second vehicle. , then an alarm signal is generated according to the driving data of the vehicles in the second designated area, and an alarm is given to the vehicles in the first designated area in front of the virtual road gate. This method is especially suitable for situations where the traffic flow is large and/or the first designated area is far away from the second designated area, and the pertinence and accuracy of the alarm can be ensured.
  • the illegal behavior of the vehicle can also be uploaded to the vehicle management center for recording.
  • the embodiments of the present invention can achieve the following beneficial effects:
  • the virtual gate system and the virtual gate control method proposed by the embodiments of the present invention project a three-dimensional holographic image with a specified shape to a preset position as a virtual gate according to a first control signal generated based on a start signal.
  • the virtual barrier is obtained by virtualizing the physical barrier into an air holographic projection image by using air holographic projection technology. It has high technology content, is not prone to mechanical failure, and will not cause the barrier to smash vehicles or pedestrians. Special personnel to guard, thereby improving the safety of the barrier and reducing labor costs.
  • the designated shape of the three-dimensional holographic image of the virtual road gate can be preset and has various forms, so that the virtual road gate can be used in different application places, and the adaptability of the virtual road gate can be enhanced.
  • the solution of the embodiment of the present invention can also identify the attributes of the target object that is about to pass through the virtual gate, and then change the projected three-dimensional holographic image according to the second control signal generated based on the attributes of the target object, so as to realize the target-specificity.
  • the image switching of the barrier gate improves the user experience of the target person passing through the barrier gate.

Abstract

一种虚拟道闸系统（10）和虚拟道闸的控制方法，包括控制装置（100）和与控制装置（100）连接的全息投影装置（200）；其中，控制装置（100）配置为基于启动信号生成第一控制信号并将第一控制信号发送至全息投影装置（200）；全息投影装置（200）配置为根据第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。通过利用空气全息投影技术将实体道闸虚拟化为空气全息投影影像而得到的虚拟道闸，科技含量高，不易发生机械故障，也不会发生道闸砸坏车辆或砸伤行人的事件，无需专人守护，从而提高道闸的安全性并减少人力成本。并且，虚拟道闸的三维全息图像的指定形状可以预先设定且形式多样，使虚拟道闸可用于不同的应用场所，增强虚拟道闸的适应性。

Description

一种虚拟道闸系统和虚拟道闸的控制方法 技术领域
本发明涉及通道设备技术领域，特别是一种虚拟道闸系统和虚拟道闸的控制方法。
背景技术
道闸是一种广泛应用于通道对车辆、行人等的出入进行管理的设备。现有技术中，道闸通常为机械机构，主要由转动杠杆和转动机构组成。这种机械结构的道闸易发生故障，且易发生砸坏车辆或砸伤行人的事件，往往需要现场专人看守维护。一旦道闸的部件发生故障或损坏，不易进行更换。另外，对于这种道闸，广告等宣传品通常都是通过粘贴方式设置在道闸表面，切换或更改宣传品比较困难。
发明内容
鉴于上述问题，提出了一种克服上述问题或者至少部分地解决上述问题的虚拟道闸系统和虚拟道闸的控制方法。
本发明的一个目的是提供一种虚拟道闸系统和虚拟道闸的控制方法，通过空气全息投影技术将实体道闸虚拟化，解决现有的道闸易发生机械故障、易砸坏车辆或砸伤行人、需专人守护的问题。
本发明一个进一步的目的是通过识别目标物体的属性，并根据目标物体的属性更改所投影的虚拟道闸的三维全息图像，实现目标针对性的道闸影像切换。
特别地，根据本发明实施例的一方面，提供了一种虚拟道闸系统，包括控制装置和与控制装置连接的全息投影装置；其中
控制装置配置为基于启动信号生成第一控制信号并将第一控制信号发送至全息投影装置；
全息投影装置配置为根据第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。
可选地，三维全息图像中包含特定文字或图案；
全息投影装置还配置为根据预设规则对特定文字或图案进行切换。
可选地，虚拟道闸系统还包括：
第一图像采集分析装置，与控制装置连接，配置为采集在物体朝向预设位置移动的方向上预设位置之前的第一指定区域内的图像数据，对图像数据进行识别得到第一指定区域内的目标物体的属性，并将目标物体的属性发送至控制装置；
控制装置还配置为根据目标物体的属性生成第二控制信号并将第二控制信号发送至全息投影装置；
全息投影装置还配置为根据第二控制信号更改向预设位置投影的三维全息图像。
可选地，目标物体为车辆；
属性包括下列至少之一：车牌号码、车型、颜色。
可选地，特定文字包含与车辆的属性匹配的欢迎语；
控制装置还配置为根据车辆的属性生成第三控制信号并将第三控制信号发送至全息投影装置；
全息投影装置还配置为根据第三控制信号在三维全息图像中显示与车辆的属性匹配的欢迎语。
可选地，虚拟道闸系统还包括分别与控制装置连接的第二图像采集分析装置和告警装置；
第二图像采集分析装置配置为采集在车辆朝向预设位置行驶的方向上预设位置之前的第二指定区域内的图像数据，对图像数据进行处理得到第二指定区域内的车辆的行驶数据，并将车辆的行驶数据发送至控制装置；
控制装置还配置为根据车辆的行驶数据生成告警信号并将告警信号发送至告警装置；
告警装置配置为根据告警信号进行告警。
可选地，预设位置为车库的入口或出口，全息投影装置设置于车库的入口或出口处的顶棚或侧壁上。
根据本发明实施例的另一方面，还提供了一种虚拟道闸的控制方法，包括：
基于启动信号生成第一控制信号；
根据第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。
可选地，三维全息图像中包含特定文字或图案；
该方法还包括：
根据预设规则对特定文字或图案进行切换。
可选地，该方法还包括：
采集在物体朝向预设位置移动的方向上预设位置之前的第一指定区域内的图像数据，对图像数据进行识别得到第一指定区域内的目标物体的属性；
根据目标物体的属性生成第二控制信号，并根据第二控制信号更改向预设位置投影的三维全息图像。
可选地，目标物体为车辆，特定文字包含与车辆的属性匹配的欢迎语；
该方法还包括：
根据车辆的属性生成第三控制信号，并根据第三控制信号在三维全息图像中显示与车辆的属性匹配的欢迎语。
可选地，目标物体为车辆；
在采集在物体朝向预设位置移动的方向上预设位置之前的第一指定区域内的图像数据之前，该方法还包括：
采集在车辆朝向预设位置行驶的方向上预设位置之前的第二指定区域内的图像数据，对图像数据进行处理得到第二指定区域内的车辆的行驶数据；
根据车辆的行驶数据生成告警信号，并根据告警信号进行告警。
本发明实施例提出的虚拟道闸系统和虚拟道闸的控制方法，根据基于启动信号生成的第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。通过利用空气全息投影技术将实体道闸虚拟化为空气全息投影影像而得到的虚拟道闸，科技含量高，不易发生机械故障，也不会发生道闸砸坏车辆或砸伤行人的事件，无需专人守护，从而提高道闸的安全性并减少人力成本。并且，虚拟道闸的三维全息图像的指定形状可以预先设定且形式多样，使虚拟道闸可用于不同的应用场所，增强虚拟道闸的适应性。
进一步地，本发明实施例的方案还可通过识别即将通过虚拟道闸的目标物体的属性，进而根据基于目标物体的属性生成的第二控制信号更改所投影的三维全息图像，实现目标针对性的道闸影像切换，从而提升通过道闸的目标人员的使用体验。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，而可依照说明书的内容予以实施，并且为了让本发明的上述和其它 目的、特征和优点能够更明显易懂，以下特举本发明的具体实施方式。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1示出了根据本发明一实施例的虚拟道闸系统的结构示意图；
图2示出了根据本发明另一实施例的虚拟道闸系统的结构示意图；
图3示出了根据本发明一实施例的虚拟道闸系统的应用场景示意图；
图4示出了根据本发明一实施例的虚拟道闸的控制方法的流程示意图；
图5示出了根据本发明另一实施例的虚拟道闸的控制方法的流程示意图。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
为解决或部分解决上述技术问题，本发明实施例提出一种虚拟道闸系统。
图1示出了根据本发明一实施例的虚拟道闸系统10的结构示意图。参见图1所示，虚拟道闸系统10至少可以包括控制装置100和与控制装置100连接的全息投影装置200。
控制装置100可基于启动信号生成第一控制信号，并将第一控制信号发送至全息投影装置200。启动信号可以是由用户输入的，例如通过控制装置100的用户交互界面输入，也可以是根据预设触发条件生成的，例如，当预设时间到达时由控制装置100自动生成启动信号。
全息投影装置200根据接收的第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。预设位置可以是需进行目标物体出入管理的任何位置，例如红绿灯路口、高速公路收费站、停车场出入口、小区出入 口等。全息投影装置200利用空气全息投影技术进行三维全息图像投影。全息投影技术也称虚拟成像技术，指利用干涉和衍射原理记录并再现物体真实的三维图像的技术。空气全息投影技术为全息投影技术中的前沿技术，其可脱离介质的依赖，实现全息三维立体的空中成像，从而实现对任意物体的无介质的全方位立体影像化。
本发明实施例提出的虚拟道闸系统10中，全息投影装置200根据控制装置100的第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。通过利用空气全息投影技术将实体道闸虚拟化为空气全息投影影像而得到的虚拟道闸，科技含量高，不易发生机械故障，也不会发生道闸砸坏车辆或砸伤行人的事件，无需专人守护，从而提高道闸的安全性并减少人力成本。
另外，全息投影装置200所投影的三维全息图像的指定形状可以预先设定。例如，可以将投影的三维全息图像的形状设置成人物、特定吉祥物、大门等的形状，从而可以全息投影人物、特定吉祥物或大门等的影像作为虚拟道闸。或者，也可以将全息投影装置200所投影的三维全息图像的指定形状设置成类似于现有道闸的升降杆的水平转动杆的形状，从而使得虚拟道闸的视觉效果更接近于目前采用的实体道闸。由此，通过预先设定不同形式的虚拟道闸的三维全息图像的指定形状，可实现形式多样的虚拟道闸，使虚拟道闸可用于不同的应用场所，增强虚拟道闸的适应性。
在一个实施例中，全息投影装置200在进行三维全息图像的投影时，还可以在投影的三维全息图像中增加特定的文字或图案。文字例如可以是广告标语、宣传语、欢迎语等，图案例如可以是广告画面、品牌标识等。并且，全息投影装置200还可以根据预设规则对这些特定的文字或图案进行切换，例如，根据预设的顺序和周期顺序切换，或根据控制装置100的指示进行切换。由此，本发明实施例的虚拟道闸系统10能够实现广告等宣传品的快速切换，解决现有道闸更改广告困难的问题。
在一个实施例中，参见图2所示，虚拟道闸系统10还可以包括第一图像采集分析装置300。第一图像采集分析装置300与控制装置100连接。第一图像采集分析装置300采集在物体朝向预设位置移动的方向上预设位置之前的第一指定区域内的图像数据，对该图像数据进行识别得到第一指定区域内的目标物体的属性，并将目标物体的属性发送至控制装置100。第一指定 区域为物体朝向该预设位置移动但尚未到达该预设位置时所处于的邻近该预设位置的一个区域。目标物体例如可以为车辆、行人等。目标物体的属性指可用于区分不同目标物体的物体特性。例如，当车辆为目标物体时，其属性可包括车牌号码、车型、颜色等。
在这种情况下，控制装置100还可以根据目标物体的属性生成第二控制信号并将第二控制信号发送至全息投影装置200。进而，全息投影装置200还可以根据第二控制信号更改向预设位置投影的三维全息图像。具体地，可以更改向预设位置投影的三维全息图像的形状。
例如，假设全息投影装置200根据第一控制信号向预设位置投影的三维全息图像为关闭的大门的影像，当第一图像采集分析装置300对采集的第一指定区域内的图像数据进行识别得到第一指定区域内的行人的属性(表明有行人即将通过预设位置)时，控制装置100根据识别得到的行人的属性生成第二控制信号，进而全息投影装置200根据第二控制信号将投影的三维全息图像更改为打开的大门的影像。在行人通过预设位置后，全息投影装置200可以将投影的三维全息图像恢复为关闭的大门影像。
又例如，假设全息投影装置200根据第一控制信号向预设位置投影的三维全息图像为水平转动杆的影像，当第一图像采集分析装置300对采集的第一指定区域内的图像数据进行识别得到第一指定区域内的车辆的属性时，控制装置100根据识别得到的车辆的属性判断该车辆可通过，则生成第二控制信号，进而全息投影装置200根据第二控制信号将投影的三维全息图像更改为水平转动杆上抬的影像。在车辆通过预设位置后，全息投影装置200可以将投影的三维全息图像恢复为水平转动杆影像。
本发明实施例中通过第一图像采集分析装置300识别即将通过虚拟道闸的目标物体的属性，进而全息投影装置200可根据控制装置100基于目标物体的属性生成的第二控制信号更改所投影的三维全息图像，实现目标针对性的道闸影像切换，从而提升通过道闸的目标人员的使用体验。
具体地，第一图像采集分析装置300可以是第一摄像头。第一摄像头可采用现有的识别方法对采集的图像数据进行识别得到目标物体的属性，本领域技术人员应可知晓，本文不另赘述。
在一个实施例中，在全息投影装置200所投影的三维全息图像中增加有特定的文字或图案的情况下，控制装置100还可以根据目标物体的属性生成 第三控制信号并将第三控制信号发送至全息投影装置200。进而，全息投影装置200还可以根据第三控制信号切换三维全息图像中的特定文字或图案。特别地，在目标物体为车辆的情况下，目标物体的属性可以包括车牌号码、车型、颜色等。本领域技术人员可以理解，不同的车牌号码、车型、颜色等(特别是车牌号码)往往可以表征车辆的驾驶员或乘客的不同身份。因此，通过控制装置100根据车辆的属性生成第三控制信号，进而全息投影装置200根据第三控制信号切换三维全息图像中的特定文字或图案，可实现个性化的文字或图案的呈现。在一种具体的实施方案中，特定文字或图案例如可以为与车辆的属性匹配的欢迎语或欢迎图片等。相应地，全息投影装置200可根据第三控制信号在三维全息图像中显示与车辆的属性匹配的欢迎语或欢迎图片。例如，当识别出的车牌号码表征车辆的驾驶员或乘客为客人时，全息投影装置200可以将三维全息图像(即虚拟道闸)中的欢迎语切换为“欢迎光临”；当识别出的车牌号码表征车辆的驾驶员或乘客为高层领导时，全息投影装置200可以将三维全息图像中的欢迎语切换为“欢迎领导莅临指导”；当识别出的车牌号码表征车辆的驾驶员或乘客为员工时，全息投影装置200可以将三维全息图像中的欢迎语切换为“创新拼搏，精益求精”，等等。通过这种个性化的文字或图案的呈现，实现针对不同目标人物的场景化的操作，使用体验更佳。
另外，需要说明的是，在全息投影装置200已配置为根据预设规则对三维全息图像中的特定文字或图案进行切换的情况下，可设置全息投影装置200在接收到第三控制信号时优先根据第三控制信号切换三维全息图像中的特定文字或图案，以针对目标物体在虚拟道闸上个性化地呈现文字或图案。
在一个实施例中，继续参见图2所示，在目标物体为车辆的情况下，虚拟道闸系统10还可以包括第二图像采集分析装置400。第二图像采集分析装置400与控制装置100连接。第二图像采集分析装置400采集在车辆朝向预设位置行驶的方向上预设位置之前的第二指定区域内的图像数据，对采集的图像数据进行处理得到第二指定区域内的车辆的行驶数据，并将车辆的行驶数据发送至控制装置。此处的行驶数据可包括行驶速度、行驶车道、驾驶员状态(如驾驶员是否系好安全带)等。具体地，第二图像采集分析装置400可以是第二摄像头。第二摄像头可采用现有的处理方法对采集的图像数据进行处理得到车辆的行驶数据，本领域技术人员应可知晓，本文不另赘述。通 过设置第二图像采集分析装置，可以监控即将通过预设位置处的虚拟道闸的车辆的行驶状态，从而及时发现车辆的违章行为。
在实际应用中，第一指定区域和第二指定区域可以是相同或不同的区域。当第一指定区域与第二指定区域为相同区域时，第一图像采集分析装置300和第二图像采集分析装置400可以采用同一个摄像头，从而减少系统的部件数量，降低成本。当第一指定区域与第二指定区域为不同区域时，第二指定区域在车辆朝向预设位置行驶的方向上可位于第一指定区域之前，第一图像采集分析装置300和第二图像采集分析装置400由独立的两个摄像头实现。由于车辆在到达邻近虚拟道闸所在位置的第一指定区域时通常速度已降至很低，此时得到的车辆的行驶数据无法反映车辆在行驶途中真正的行驶状态，因此，通过第二图像采集分析装置400采集分析得到在第一指定区域之前的第二指定区域内的车辆的行驶数据，能够更准确地反映车辆的行驶状态，从而更准确地发现车辆的违章行为。
进一步地，在一个实施例中，继续参见图2所示，虚拟道闸系统10还可以包括与控制装置100连接的告警装置500。在这种情况下，控制装置100在接收到第二图像采集分析装置400发送的车辆的行驶数据后，根据车辆的行驶数据生成告警信号并将告警信号发送至告警装置500。具体地，控制装置100可根据车辆的行驶数据判断车辆是否存在违章行为(例如，是否超速行驶、是否违规使用车道等)，若存在违章行为，则生成告警信号并将告警信号发送至告警装置500。进而，告警装置500根据接收到的告警信号进行告警。告警装置500进行告警的方式可以包括语音告警、图像显示(如文字或画面)告警等。
在一些实施例中，告警装置500可以与全息投影装置200集成为一体(例如，可以在全息投影装置200集成告警功能来实现告警装置500)。在接收到来自控制装置100的告警信号时，全息投影装置200可以直接在投影的三维全息图像中增加告警信息(如文字或画面信息)，以提示车辆驾驶员存在违章行为。
进一步地，在一个实施例中，第二图像采集分析装置400在处理得到车辆的行驶数据的同时，还可以对采集的图像数据进行识别得到第二指定区域内的车辆的属性，并将得到的车辆的属性与车辆的行驶数据一起发送至控制装置100。控制装置在接收到第一图像采集分析装置300当前发送的第一指 定区域内的车辆的属性(不妨称为第一车辆的属性)和第二图像采集分析装置400发送的第二指定区域内的车辆的属性(不妨称为第二车辆的属性)后，判断第一车辆的属性与第二车辆的属性是否一致，若一致，则将根据第二指定区域内的车辆的行驶数据生成的告警信号发送至与全息投影装置200集成为一体的告警装置500，进而由全息投影装置200对虚拟道闸前的第一指定区域内的车辆进行告警。这种方式特别适用于车流量较大和/或第一指定区域与第二指定区域相距较远的情况，能够保证告警的针对性和准确性。
另外，在控制装置100判断出车辆存在违章行为后，控制装置100还可以通过网络连接部件将车辆的违章行为上传至车辆管理中心进行记录。
通过这种方式，可以实时监控车辆的违章行为并进行相应处理，从而更有效地约束车辆的行驶行为。本发明的虚拟道闸系统10特别适用于车库的通行管理。图3示出了根据本发明一实施例的虚拟道闸系统10的应用场景示意图。如图3所示，虚拟道闸系统10应用于车库(如地下车库)。在这种情况下，预设位置可以为车库的入口或出口(图3中具体为车库的入口)。全息投影装置200可设置于车库的入口或出口处的顶棚或侧壁上，向车库的入口或出口处投影三维全息图像以构成虚拟道闸。全息投影装置200的位置可正对车库的入口或出口或在车库的入口或出口的附近。第一摄像头300可设置在邻近全息投影装置200的位置，用于采集虚拟道闸前的车辆的图像数据，识别得到车辆的属性。第二摄像头400与第一摄像头300相比设置在相对远离车库的入口或出口的位置，用于采集向虚拟道闸行驶途中的车辆的图像数据，处理得到车辆的行驶数据。需要说明的是，图3中未示出控制装置100，在实际应用中，控制装置100可设置在车库的中控室或任何其他适当的位置，只要可保证与全息投影装置200、第一摄像头300和第二摄像头400的连接通信即可。本实施例不仅实现了实体道闸虚拟化，克服了现有的实体道闸易发生机械故障、易砸坏车辆或砸伤行人、需专人守护的问题，还实现了目标针对性的影像的灵活、快速切换，同时还可有效地监控车辆的行驶行为。
基于同一技术构思，本发明实施例还提供了一种虚拟道闸的控制方法。
图4示出了根据本发明一实施例的虚拟道闸的控制方法的流程示意图。参见图4所示，该方法至少可以包括以下步骤S402至步骤S404。
步骤S402，基于启动信号生成第一控制信号。
启动信号可以是由用户输入的，也可以是根据预设触发条件生成的，例如，当预设时间到达时自动生成启动信号。
步骤S404，根据第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。
本步骤中利用空气全息投影技术进行三维全息图像的投影。空气全息投影技术可脱离介质的依赖，实现全息三维立体的空中成像，从而实现对任意物体的无介质的全方位立体影像化。预设位置可以是需进行目标物体出入管理的任何位置，例如红绿灯路口、高速公路收费站、停车场出入口、小区出入口等。
本发明实施例提供的虚拟道闸的控制方法中，通过利用空气全息投影技术将实体道闸虚拟化为空气全息投影影像而得到的虚拟道闸，科技含量高，不易发生机械故障，也不会发生道闸砸坏车辆或砸伤行人的事件，无需专人守护，从而提高道闸的安全性并减少人力成本。
另外，所投影的三维全息图像的指定形状可以预先设定。例如，可以将投影的三维全息图像的形状设置成人物、特定吉祥物、大门、甚至类似于现有道闸的升降杆的水平转动杆等的形状。通过预先设定不同形式的虚拟道闸的三维全息图像的指定形状，可实现形式多样的虚拟道闸，使虚拟道闸可用于不同的应用场所，增强虚拟道闸的适应性。
在一个实施例中，所投影的三维全息图像中可包含特定文字或图案。文字例如可以是广告标语、宣传语、欢迎语等，图案例如可以是广告画面、品牌标识等。在这种情况下，本发明的虚拟道闸的控制方法在投影显示三维全息图像的过程中还可以执行以下步骤：根据预设规则对三维全息图像中的特定文字或图案进行切换。例如，根据预设的顺序和周期顺序切换，或根据相应的控制指令进行切换等。由此，本发明实施例能够实现广告等宣传品的快速切换，解决现有道闸更改广告困难的问题。
在一个实施例中，参见图5所示，本发明的虚拟道闸的控制方法还可以包括以下步骤：
步骤S406，采集在物体朝向预设位置移动的方向上预设位置之前的第一指定区域内的图像数据，对图像数据进行识别得到第一指定区域内的目标物体的属性。
第一指定区域为物体朝向该预设位置移动但尚未到达该预设位置时所 处于的邻近该预设位置的一个区域。目标物体例如可以为车辆、行人等。目标物体的属性指可用于区分不同目标物体的物体特性。例如，当车辆为目标物体时，其属性可包括车牌号码、车型、颜色等。
步骤S408，根据目标物体的属性生成第二控制信号，并根据第二控制信号更改向预设位置投影的三维全息图像。
本步骤中，具体地可以根据第二控制信号更改向预设位置投影的三维全息图像的形状。
例如，假设步骤S404中根据第一控制信号向预设位置投影的三维全息图像为水平转动杆的影像，当对采集的第一指定区域内的图像数据进行识别得到第一指定区域内的车辆的属性时，则根据识别得到的车辆的属性生成第二控制信号，进而根据第二控制信号将投影的三维全息图像更改为水平转动杆上抬的影像。在车辆通过预设位置后，可以将投影的三维全息图像恢复为水平转动杆影像。
本发明实施例中通过识别即将通过虚拟道闸的目标物体的属性，进而可根据基于目标物体的属性生成的第二控制信号更改所投影的三维全息图像，实现目标针对性的道闸影像切换，从而提升通过道闸的目标人员的使用体验。
在一个实施例中，在所投影的三维全息图像中包含有特定文字或图案的情况下，还可以根据目标物体的属性生成第三控制信号并根据第三控制信号切换三维全息图像中的特定文字或图案。
特别地，在目标物体为车辆的情况下，目标物体的属性可以包括车牌号码、车型、颜色等。由于车辆的属性往往可以表征车辆的驾驶员或乘客的不同身份，因此，根据车辆的属性生成第三控制信号，进而根据第三控制信号切换三维全息图像中的特定文字或图案，可实现个性化的文字或图案的呈现。
进一步地，三维全息图像中的特定文字或图案可以是与车辆的属性匹配的欢迎语或欢迎图片等。相应地，可根据第三控制信号在三维全息图像中显示与车辆的属性匹配的欢迎语或欢迎图片。具体地，第三控制信号可携带车辆的属性，根据车辆的属性查找出与车辆的属性匹配的欢迎语或欢迎图片进行显示。例如，假设目标物体的属性为车辆的车牌号码，当识别出的车牌号码表征车辆的驾驶员或乘客为客人时，可以将三维全息图像(即虚拟道闸)中的欢迎语切换为“欢迎光临”；当识别出的车牌号码表征车辆的驾驶员或乘客为高层领导时，可以将三维全息图像中的欢迎语切换为“欢迎领导莅临 指导”；当识别出的车牌号码表征车辆的驾驶员或乘客为员工时，可以将三维全息图像中的欢迎语切换为“创新拼搏，精益求精”，等等。通过这种个性化的文字或图案的呈现，实现针对不同目标人物的场景化的操作，使用体验更佳。
另外，需要说明的是，在投影显示三维全息图像的过程中已根据预设规则对三维全息图像中的特定文字或图案进行切换的情况下，优先根据第三控制信号切换三维全息图像中的特定文字或图案，以针对目标物体在虚拟道闸上个性化地呈现文字或图案。
在一个实施例中，在步骤S406采集在物体朝向预设位置移动的方向上预设位置之前的第一指定区域内的图像数据之前，还可以执行以下步骤：采集在车辆朝向预设位置行驶的方向上预设位置之前的第二指定区域内的图像数据，对图像数据进行处理得到第二指定区域内的车辆的行驶数据。行驶数据可包括行驶速度、行驶车道、驾驶员状态(如驾驶员是否系好安全带)等。
进一步地，可根据车辆的行驶数据生成告警信号，并根据告警信号进行告警。具体地，可根据车辆的行驶数据判断车辆是否存在违章行为(例如，是否超速行驶、是否违规使用车道等)，若存在违章行为，则生成告警信号并根据告警信号进行告警。告警的方式可以包括语音告警、图像显示(如文字或画面)告警等。告警的时机可以在发现车辆存在违章行为时即进行告警，也可以在车辆进入虚拟道闸之前的第一指定区域时再进行告警。若车辆进入虚拟道闸之前的第一指定区域时再进行告警，可以通过直接在投影的三维全息图像中增加告警信息(如文字或画面信息)，以提示车辆驾驶员存在违章行为。
在实际应用中，第一指定区域和第二指定区域可以是相同或不同的区域。当第一指定区域与第二指定区域为不同区域时，第二指定区域在车辆朝向预设位置行驶的方向上可位于第一指定区域之前。由于车辆在到达邻近虚拟道闸所在位置的第一指定区域时通常速度已降至很低，此时得到的车辆的行驶数据无法反映车辆在行驶途中真正的行驶状态，因此，通过采集分析得到在第一指定区域之前的第二指定区域内的车辆的行驶数据，能够更准确地反映车辆的行驶状态，从而更准确地发现车辆的违章行为。
进一步地，在一个实施例中，在对采集的第二指定区域内的图像数据进 行处理得到车辆的行驶数据的同时，还可以对采集的图像数据进行识别得到第二指定区域内的车辆的属性(不妨称为第二车辆的属性)。如此，在对采集的第一指定区域内的图像数据进行识别得到车辆的属性(不妨称为第一车辆的属性)后，可判断第一车辆的属性与第二车辆的属性是否一致，若一致，则根据第二指定区域内的车辆的行驶数据生成告警信号，并对虚拟道闸前的第一指定区域内的车辆进行告警。这种方式特别适用于车流量较大和/或第一指定区域与第二指定区域相距较远的情况，能够保证告警的针对性和准确性。
另外，在判断出车辆存在违章行为后，还可以将车辆的违章行为上传至车辆管理中心进行记录。
通过这种方式，可以实时监控车辆的违章行为并进行相应处理，从而更有效地约束车辆的行驶行为。
根据上述任意一个可选实施例或多个可选实施例的组合，本发明实施例能够达到如下有益效果：
本发明实施例提出的虚拟道闸系统和虚拟道闸的控制方法，根据基于启动信号生成的第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。通过利用空气全息投影技术将实体道闸虚拟化为空气全息投影影像而得到的虚拟道闸，科技含量高，不易发生机械故障，也不会发生道闸砸坏车辆或砸伤行人的事件，无需专人守护，从而提高道闸的安全性并减少人力成本。并且，虚拟道闸的三维全息图像的指定形状可以预先设定且形式多样，使虚拟道闸可用于不同的应用场所，增强虚拟道闸的适应性。
进一步地，本发明实施例的方案还可通过识别即将通过虚拟道闸的目标物体的属性，进而根据基于目标物体的属性生成的第二控制信号更改所投影的三维全息图像，实现目标针对性的道闸影像切换，从而提升通过道闸的目标人员的使用体验。
在此处所提供的说明书中，说明了大量具体细节。然而，能够理解，本发明的实施例可以在没有这些具体细节的情况下实践。在一些实例中，并未详细示出公知的方法、结构和技术，以便不模糊对本说明书的理解。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：在本发明的精神和原则之内，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同 替换；而这些修改或者替换，并不使相应技术方案脱离本发明的保护范围。

Claims (12)

  1. 一种虚拟道闸系统，包括控制装置和与所述控制装置连接的全息投影装置；其中
    所述控制装置配置为基于启动信号生成第一控制信号并将所述第一控制信号发送至所述全息投影装置；
    所述全息投影装置配置为根据所述第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。
  2. 根据权利要求1所述的虚拟道闸系统，其中，所述三维全息图像中包含特定文字或图案；
    所述全息投影装置还配置为根据预设规则对所述特定文字或图案进行切换。
  3. 根据权利要求2所述的虚拟道闸系统，其中，还包括：
    第一图像采集分析装置，与所述控制装置连接，配置为采集在物体朝向所述预设位置移动的方向上所述预设位置之前的第一指定区域内的图像数据，对所述图像数据进行识别得到所述第一指定区域内的目标物体的属性，并将所述目标物体的属性发送至所述控制装置；
    所述控制装置还配置为根据所述目标物体的属性生成第二控制信号并将所述第二控制信号发送至所述全息投影装置；
    所述全息投影装置还配置为根据所述第二控制信号更改向所述预设位置投影的三维全息图像。
  4. 根据权利要求3所述的虚拟道闸系统，其中，所述目标物体为车辆；
    所述属性包括下列至少之一：车牌号码、车型、颜色。
  5. 根据权利要求4所述的虚拟道闸系统，其中，所述特定文字包含与车辆的属性匹配的欢迎语；
    所述控制装置还配置为根据车辆的属性生成第三控制信号并将所述第三控制信号发送至所述全息投影装置；
    所述全息投影装置还配置为根据所述第三控制信号在所述三维全息图像中显示与所述车辆的属性匹配的欢迎语。
  6. 根据权利要求4所述的虚拟道闸系统，其中，还包括分别与所述控制装置连接的第二图像采集分析装置和告警装置；
    所述第二图像采集分析装置配置为采集在车辆朝向所述预设位置行驶的方向上所述预设位置之前的第二指定区域内的图像数据，对所述图像数据进行处理得到所述第二指定区域内的车辆的行驶数据，并将所述车辆的行驶数据发送至所述控制装置；
    所述控制装置还配置为根据所述车辆的行驶数据生成告警信号并将所述告警信号发送至所述告警装置；
    所述告警装置配置为根据所述告警信号进行告警。
  7. 根据权利要求1所述的虚拟道闸系统，其中，所述预设位置为车库的入口或出口，所述全息投影装置设置于所述车库的入口或出口处的顶棚或侧壁上。
  8. 一种虚拟道闸的控制方法，包括：
    基于启动信号生成第一控制信号；
    根据所述第一控制信号向预设位置投影具有指定形状的三维全息图像作为虚拟道闸。
  9. 根据权利要求8所述的控制方法，其中，所述三维全息图像中包含特定文字或图案；
    所述方法还包括：
    根据预设规则对所述特定文字或图案进行切换。
  10. 根据权利要求9所述的控制方法，其中，还包括：
    采集在物体朝向所述预设位置移动的方向上所述预设位置之前的第一指定区域内的图像数据，对所述图像数据进行识别得到所述第一指定区域内的目标物体的属性；
    根据所述目标物体的属性生成第二控制信号，并根据所述第二控制信号更改向所述预设位置投影的三维全息图像。
  11. 根据权利要求10所述的控制方法，其中，所述目标物体为车辆，所述特定文字包含与车辆的属性匹配的欢迎语；
    所述方法还包括：
    根据车辆的属性生成第三控制信号，并根据所述第三控制信号在所述三维全息图像中显示与所述车辆的属性匹配的欢迎语。
  12. 根据权利要求10所述的控制方法，其中，所述目标物体为车辆；
    在采集在物体朝向所述预设位置移动的方向上所述预设位置之前的第 一指定区域内的图像数据之前，还包括：
    采集在车辆朝向所述预设位置行驶的方向上所述预设位置之前的第二指定区域内的图像数据，对所述图像数据进行处理得到所述第二指定区域内的车辆的行驶数据；
    根据所述车辆的行驶数据生成告警信号，并根据所述告警信号进行告警。
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