CN110634302A - Parking lot retrograde vehicle detection system based on BIM - Google Patents
Parking lot retrograde vehicle detection system based on BIM Download PDFInfo
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- CN110634302A CN110634302A CN201911110724.0A CN201911110724A CN110634302A CN 110634302 A CN110634302 A CN 110634302A CN 201911110724 A CN201911110724 A CN 201911110724A CN 110634302 A CN110634302 A CN 110634302A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0133—Traffic data processing for classifying traffic situation
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
Abstract
The invention relates to a BIM-based reverse vehicle detection system for a parking lot, which comprises: the time setting equipment is used for setting the time length for searching the license plate number; an image capturing apparatus including a plurality of image sensors respectively located at different monitoring positions of the same parking lot to respectively capture and output a plurality of on-site monitoring images; a number search device for searching a plurality of images of the same license plate number as a plurality of reference images in each time length among the respective images output from the plurality of image sensors; a trajectory detection device connected to the number search device for determining a travel trajectory corresponding to the license plate number based on a plurality of capturing times of the plurality of reference images; and the reverse running analysis equipment is connected with the track detection equipment and is used for judging whether the corresponding license plate number performs reverse running in the parking lot or not based on the running track. By the invention, the vehicles in the parking lot can be rapidly detected in an intelligent mode.
Description
Technical Field
The invention relates to the technical field of BIM, in particular to a BIM-based reverse driving vehicle detection system for a parking lot.
Background
The BIM technology refers to digital information and engineering application technology thereof used in the whole life cycle of self planning, design, construction and operation of a building, in particular to information interaction across all departments in the life cycle of the building and the continuation of operation after the building is finished, and presents cross-professional and cross-stage synchronous operation, real-time grasping of field information, integration of microscopic and macroscopic spatial information and the like. Therefore, the BIM is an informationized and intelligentized method and process based on the whole life cycle of the building by taking the building as an object, and is simply construction informationized.
Generally, large buildings are designed with underground parking lots or ground parking lots, such as residential buildings, complex stores, office buildings, and the like. Therefore, real-time grasping of the field information of the parking lot is an important branch of the application of the BIM technology.
However, in the prior art, the vehicle monitoring mode in the parking lot of the building is only limited to the acquisition of the image data of the scene where the vehicle is located, and various targeted analyses are not performed on the acquired image data, so that the building BIM management mechanism is not intelligent enough, for example, because the retrograde vehicle in the parking lot cannot be detected in real time, a driver of the retrograde vehicle does not know the retrograde vehicle actually, and easily collides with other vehicles which normally run, the risk of vehicle running is increased, the probability of vehicle accident occurrence is increased, and meanwhile, long-time blockage in the parking lot is easily caused.
Disclosure of Invention
In order to solve the problems, the invention provides a BIM-based parking lot retrograde vehicle detection system which can rapidly detect each retrograde vehicle in a parking lot in an intelligent mode, specifically, on the basis that each miniature image sensor is laid at different monitoring positions in a building parking lot, a targeted image analysis mechanism and an information processing mode are adopted to obtain a real-time running track of a vehicle corresponding to each license plate number in the parking lot, and instant voice notification is carried out when the real-time running track is judged to be retrograde, so that drivers of the retrograde vehicles are effectively reminded, and vehicle accidents in the parking lot are avoided.
Therefore, the invention needs to have the following two key points:
(1) the method has the advantages that the miniature image sensors with non-overlapping imaging fields of vision are built at different monitoring positions of the same parking lot of a building, and the micro-sensing Internet of things management platform based on the BIM technology is built, so that each retrograde vehicle in the parking lot can be effectively identified, and the intelligent level of management is improved;
(2) and searching a plurality of images of the same license plate number from the images output by the plurality of image sensors in each time length, and determining the running track of the corresponding license plate number based on a plurality of capturing times of the searched images, so that the running track of each vehicle in the parking lot is accurately obtained, and reliable reference data is provided for the judgment of the subsequent reverse running track.
According to an aspect of the present invention, there is provided a BIM-based reverse-traveling vehicle detection system for a parking lot, the system including:
the time setting equipment is arranged in the BIM control room and is used for setting the time length for searching the license plate number under the operation of a worker;
the system comprises an image capturing device, a monitoring device and a monitoring device, wherein the image capturing device is arranged in a parking lot and comprises a plurality of image sensors, and the image sensors are respectively positioned at different monitoring positions of the same parking lot so as to respectively capture and output a plurality of on-site monitoring images;
a number search device connected to the time setting device and the image capture device, respectively, for searching for a plurality of images of the same license plate number as a plurality of reference images in each time length among the respective images output from the plurality of image sensors;
a trajectory detection device connected to the number search device for determining a travel trajectory corresponding to the license plate number based on a plurality of capturing times of the plurality of reference images;
the reverse running analysis equipment is connected with the track detection equipment and is used for judging whether the corresponding license plate number runs in the parking lot in a reverse running mode or not based on the running track;
wherein judging whether the corresponding license plate number is retrograde in the parking lot based on the driving trajectory comprises: judging whether the corresponding license plate number drives in the parking lot in a wrong direction or not based on the coincidence degree of the driving track and each preset wrong-way driving route of the parking lot;
wherein the plurality of image sensors are disposed at different monitoring positions of the same parking lot such that imaging fields of view of the plurality of image sensors do not overlap.
More specifically, in the BIM-based parking lot retrograde vehicle detection system, the system further includes:
and the voice playing device is arranged in a parking lot of the building, is connected with the retrograde analysis device and is used for determining whether the playing of the voice warning file corresponding to the field retrograde is required to be executed or not based on the judgment result of the retrograde analysis device.
More specifically, in the BIM-based parking lot retrograde vehicle detection system, the system further includes:
and the static storage equipment is arranged in a BIM control room of the building, is connected with the retrograde analysis equipment and is used for pre-storing each preset retrograde driving route of the parking lot.
More specifically, in the BIM-based parking lot retrograde vehicle detection system, the system further includes:
and the ZIGBEE communication mechanism is arranged between the voice playing device and the reverse analysis device and used for establishing a wireless communication link between the voice playing device and the reverse analysis device.
More specifically, in the BIM-based parking lot retrograde vehicle detecting system:
the ZIGBEE communication mechanism comprises a first transceiving unit, a second transceiving unit and a communication setting unit, wherein the communication setting unit is respectively connected with the first transceiving unit and the second transceiving unit;
the first transceiver unit is connected with the voice playing device and arranged near the voice playing device, and the second transceiver unit is connected with the retrograde analysis device and arranged near the retrograde analysis device.
More specifically, in the BIM-based parking lot retrograde vehicle detecting system:
determining a travel track for a corresponding license plate number based on a plurality of capture times of the plurality of reference images comprises: and determining the driving track of the corresponding license plate number based on the monitoring positions of the image sensors respectively corresponding to the reference images and the capturing times of the reference images.
More specifically, in the BIM-based parking lot retrograde vehicle detecting system:
and when the coincidence degree of the driving track and a preset retrograde driving route of the parking lot exceeds a preset percentage threshold value, judging that the corresponding license plate number drives in the parking lot in a retrograde manner.
More specifically, in the BIM-based parking lot retrograde vehicle detecting system:
and when the contact ratio of the driving track and any one preset retrograde driving route of the parking lot does not exceed a preset percentage threshold value, judging that the corresponding license plate number does not retrograde in the parking lot.
More specifically, in the BIM-based parking lot retrograde vehicle detecting system:
the number search apparatus, the trajectory detection apparatus, and the retrograde analysis apparatus are all disposed in a BIM control room of a building.
ZIGBEE is a low-power local area network protocol based on IEEE802.15.4 standard. According to international standards, ZIGBEE technology is a short-range, low-power wireless communication technology. This name (also called the purple bee protocol) is derived from the dance of the eight characters of bees, since bees (bee) communicate the orientation information of pollen with partners by flying and "waving" (ZIG) flapping wings, "i.e. bees form a communication network in the community by this way. Its advantages are short distance, low complexity, self-organization, low power consumption and low data rate. The device is mainly suitable for the fields of automatic control and remote control, and can be embedded into various devices. In short, ZIGBEE is an inexpensive and low-power-consumption short-range wireless networking communication technology. ZIGBEE is a wireless network protocol for low-speed short-range transmission. The ZIGBEE protocol is, from bottom to top, a physical layer (PHY), a media access control layer (MAC), a Transport Layer (TL), a network layer (NWK), an application layer (APL), and the like. Wherein the physical layer and the medium access control layer comply with the provisions of the IEEE802.15.4 standard.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram illustrating a BIM-based parking lot retrograde vehicle detection system according to an embodiment of the present invention.
Fig. 2 is an interface display diagram illustrating imaging information of an exemplary in-situ monitoring image captured by a BIM-based parking lot retrograde vehicle detection system in accordance with an embodiment of the present invention.
Fig. 3 is another structural diagram of a BIM-based parking lot retrograde vehicle detection system according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating another structure of a BIM-based parking lot retrograde vehicle detection system according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram illustrating a BIM-based reverse driving vehicle detection system for a parking lot according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram illustrating a ZIGBEE communication mechanism of a BIM-based parking lot retrograde vehicle detection system according to an embodiment of the present invention.
Detailed Description
Embodiments of a BIM-based parking lot retrograde vehicle detection system according to the present invention will be described in detail with reference to the accompanying drawings.
In the prior art, when BIM management is performed on a parking lot, particularly a parking lot located in a building, management items are limited to image data capture based on a miniature image sensor on a scene that a vehicle enters the parking lot and a scene that the vehicle exits the parking lot, while a specific driving scene of the vehicle in the parking lot lacks a targeted image data capture mechanism, and needless to say, data extraction related to vehicle driving information, such as information on whether the vehicle is driving backwards or not, is performed on a scene inside the parking lot.
However, vehicles are dense and narrow in parking lots in buildings, the vehicles are not easy to identify, not to mention the identification of vehicles running backwards, once the vehicles running backwards appear, if the vehicles are not reminded in time, vehicle accidents are easy to happen, or long-time traffic jam is caused in the parking lots.
In order to overcome the defects, the BIM-based reverse running vehicle detection system for the parking lot is built, reverse running vehicles can be found quickly, and the system can inform the reverse running vehicles in time to correct running tracks, so that vehicle collision accidents are avoided, and vehicle passing time is effectively saved.
Fig. 1 is a schematic structural diagram illustrating a BIM-based parking lot retrograde vehicle detection system according to an embodiment of the present invention.
As shown in fig. 1, the BIM-based parking lot retrograde vehicle detecting system includes:
the time setting equipment is arranged in the BIM control room and is used for setting the time length for searching the license plate number under the operation of a worker;
the system comprises an image capturing device, a monitoring device and a monitoring device, wherein the image capturing device is arranged in a parking lot and comprises a plurality of image sensors, and the image sensors are respectively positioned at different monitoring positions of the same parking lot so as to respectively capture and output a plurality of on-site monitoring images; as shown in fig. 2, a schematic diagram of a display interface of imaging information of an exemplary on-site monitoring image of a plurality of on-site monitoring images output by the plurality of image sensors is given; in fig. 2, the imaging information of the on-site monitoring image includes monitoring time, monitoring area, monitoring type, monitoring state, storage display type and monitoring channel, for example, the monitoring time of the imaging information, i.e. the capturing time, is 16 o' clock 05 minutes of 9 months and 22 days;
a number search device connected to the time setting device and the image capture device, respectively, for searching for a plurality of images of the same license plate number as a plurality of reference images in each time length among the respective images output from the plurality of image sensors;
a trajectory detection device connected to the number search device for determining a travel trajectory corresponding to the license plate number based on a plurality of capturing times of the plurality of reference images;
the reverse running analysis equipment is connected with the track detection equipment and is used for judging whether the corresponding license plate number runs in the parking lot in a reverse running mode or not based on the running track;
wherein judging whether the corresponding license plate number is retrograde in the parking lot based on the driving trajectory comprises: judging whether the corresponding license plate number drives in the parking lot in a wrong direction or not based on the coincidence degree of the driving track and each preset wrong-way driving route of the parking lot;
wherein the plurality of image sensors are disposed at different monitoring positions of the same parking lot such that imaging fields of view of the plurality of image sensors do not overlap;
the imaging fields of the image sensors are not overlapped, so that the aim of fully covering image data of different monitoring positions of the same parking lot is realized by adopting the image sensors as few as possible, the number of the image sensors in the field is reduced as much as possible, and the equipment cost of the BIM-based parking lot reverse driving vehicle detection system is reduced.
Next, a detailed description of the construction of the BIM-based parking lot retrograde vehicle detection system according to the present invention will be continued.
Fig. 3 is another structural diagram of a BIM-based parking lot retrograde vehicle detection system according to an embodiment of the present invention.
As shown in fig. 3, the BIM-based parking lot retrograde vehicle detecting system includes:
and the voice playing device is arranged in a parking lot of the building, is connected with the retrograde analysis device and is used for determining whether the playing of the voice warning file corresponding to the field retrograde is required to be executed or not based on the judgment result of the retrograde analysis device.
Fig. 4 is a schematic diagram illustrating another structure of a BIM-based parking lot retrograde vehicle detection system according to an embodiment of the present invention.
As shown in fig. 4, the BIM-based parking lot retrograde vehicle detecting system includes:
and the static storage equipment is arranged in a BIM control room of the building, is connected with the retrograde analysis equipment and is used for pre-storing each preset retrograde driving route of the parking lot.
Fig. 5 is a schematic structural diagram illustrating a BIM-based reverse driving vehicle detection system for a parking lot according to an embodiment of the present invention.
As shown in fig. 5, the BIM-based parking lot retrograde vehicle detecting system includes:
and the ZIGBEE communication mechanism is arranged between the voice playing device and the reverse analysis device and used for establishing a wireless communication link between the voice playing device and the reverse analysis device.
In the BIM-based parking lot retrograde vehicle detecting system, as shown in fig. 6, the ZIGBEE communication mechanism includes a first transceiver unit, a second transceiver unit, and a communication setting unit, and the communication setting unit is connected to the first transceiver unit and the second transceiver unit, respectively;
the first transceiver unit is connected with the voice playing device and arranged near the voice playing device, and the second transceiver unit is connected with the retrograde analysis device and arranged near the retrograde analysis device.
In the BIM-based parking lot retrograde vehicle detection system:
determining a travel track for a corresponding license plate number based on a plurality of capture times of the plurality of reference images comprises: determining a driving track of a corresponding license plate number based on each monitoring position of each image sensor corresponding to each of the plurality of reference images and a plurality of capturing times of the plurality of reference images;
wherein each monitoring position of each image sensor corresponding to each of the plurality of reference images gives different positions where the vehicle corresponding to the license plate number appears, and a plurality of capturing times of the plurality of reference images give different times when the vehicle corresponding to the license plate number appears at the different positions, so that the driving trajectory of the vehicle corresponding to the license plate number has been determined on the basis of the data;
for example, the monitoring positions of the image sensors corresponding to the reference images are respectively monitoring position 1, monitoring position 2 and monitoring position 3, the plurality of capturing times of the plurality of reference images are time 1, time 2, time 3, respectively, at which time 1 corresponds to the monitoring position 1, i.e., the vehicle corresponding to the license plate number appears at monitoring location 1 at time 1, and similarly, time 2 corresponds to monitoring location 2, that is, the vehicle corresponding to the license plate number appears at the monitoring position 2 at the time 2, the time 3 corresponds to the monitoring position 3, namely, the vehicle corresponding to the license plate number appears at the monitoring position 3 at the moment 3, at this moment, 3 different positions of the vehicle corresponding to the license plate number are determined according to the time sequence of the moment 1, the moment 2 and the moment 3, so that the running track of the vehicle corresponding to the license plate number between the time 1 and the time 3 is determined.
In the BIM-based parking lot retrograde vehicle detection system:
and when the coincidence degree of the driving track and a preset retrograde driving route of the parking lot exceeds a preset percentage threshold value, judging that the corresponding license plate number drives in the parking lot in a retrograde manner.
In the BIM-based parking lot retrograde vehicle detection system:
and when the contact ratio of the driving track and any one preset retrograde driving route of the parking lot does not exceed a preset percentage threshold value, judging that the corresponding license plate number does not retrograde in the parking lot.
In the BIM-based parking lot retrograde vehicle detection system:
the number search apparatus, the trajectory detection apparatus, and the retrograde analysis apparatus are all disposed in a BIM control room of a building.
Therefore, the BIM-based parking lot retrograde motion vehicle detection system can improve the intelligent level of BIM management of the parking lot, rapidly distinguish the retrograde motion vehicle in a narrow and crowded parking lot and timely perform warning voice notification, thereby avoiding traffic jam caused by other vehicles running normally and reducing the probability of traffic accidents in the parking lot.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A BIM-based parking lot retrograde vehicle detection system, the system comprising:
the time setting equipment is used for setting the time length for searching the license plate number;
an image capturing apparatus including a plurality of image sensors respectively located at different monitoring positions of the same parking lot to respectively capture and output a plurality of on-site monitoring images;
a number search device connected to the time setting device and the image capture device, respectively, for searching a plurality of on-site monitoring images of the same license plate number as a plurality of reference images in each time length among the respective on-site monitoring images output from the plurality of image sensors;
a trajectory detection device connected to the number search device for determining a travel trajectory corresponding to the license plate number based on a plurality of capturing times of the plurality of reference images;
the reverse running analysis equipment is connected with the track detection equipment and is used for judging whether the corresponding license plate number runs in the parking lot in a reverse running mode or not based on the running track;
wherein judging whether the corresponding license plate number is retrograde in the parking lot based on the driving trajectory comprises: judging whether the corresponding license plate number drives in the parking lot in a wrong direction or not based on the coincidence degree of the driving track and each preset wrong-way driving route of the parking lot;
wherein the plurality of image sensors are disposed at different monitoring positions of the same parking lot such that imaging fields of view of the plurality of image sensors do not overlap.
2. The BIM-based parking lot retrograde vehicle detection system of claim 1, further comprising:
and the voice playing device is connected with the retrograde analysis device and used for determining whether the playing of the voice warning file corresponding to the field retrograde is required to be executed or not based on the judgment result of the retrograde analysis device.
3. The BIM-based parking lot retrograde vehicle detection system of claim 1, further comprising:
and the static storage equipment is connected with the retrograde analysis equipment and is used for pre-storing each preset retrograde driving route of the parking lot.
4. The BIM-based parking lot retrograde vehicle detection system of claim 2, further comprising:
and the ZIGBEE communication mechanism is arranged between the voice playing device and the retrograde analysis device and used for establishing wireless communication connection between the voice playing device and the retrograde analysis device.
5. The BIM-based parking lot retrograde vehicle detection system of claim 4, wherein:
the ZIGBEE communication mechanism comprises a first transceiving unit, a second transceiving unit and a communication setting unit, wherein the communication setting unit is respectively connected with the first transceiving unit and the second transceiving unit;
the first transceiver unit is connected with the voice playing device and arranged near the voice playing device, and the second transceiver unit is connected with the retrograde analysis device and arranged near the retrograde analysis device.
6. The BIM-based parking lot retrograde vehicle detection system of claim 5, wherein:
determining a travel track for a corresponding license plate number based on a plurality of capture times of the plurality of reference images comprises: and determining the driving track of the corresponding license plate number based on the monitoring positions of the image sensors respectively corresponding to the reference images and the capturing times of the reference images.
7. The BIM-based parking lot retrograde vehicle detection system of claim 6, wherein:
and when the coincidence degree of the driving track and a preset retrograde driving route of the parking lot exceeds a preset percentage threshold value, judging that the corresponding license plate number drives in the parking lot in a retrograde manner.
8. The BIM-based parking lot retrograde vehicle detection system of claim 7, wherein:
and when the contact ratio of the driving track and any one preset retrograde driving route of the parking lot does not exceed a preset percentage threshold value, judging that the corresponding license plate number does not retrograde in the parking lot.
9. The BIM-based parking lot retrograde vehicle detection system of claim 8, wherein:
the number search device, the trajectory detection device and the retrograde analysis device are all disposed in a BIM control room.
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| CN110162928A (en) * | 2019-06-06 | 2019-08-23 | 宝业湖北建工集团有限公司 | Method for detecting parking stalls, device and electronic equipment based on BIM |
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Application publication date: 20191231 |