CN110944381A - Rapid positioning method based on radio frequency technology - Google Patents
Rapid positioning method based on radio frequency technology Download PDFInfo
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- CN110944381A CN110944381A CN201811112715.0A CN201811112715A CN110944381A CN 110944381 A CN110944381 A CN 110944381A CN 201811112715 A CN201811112715 A CN 201811112715A CN 110944381 A CN110944381 A CN 110944381A
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- information
- monitoring center
- radio frequency
- position information
- wireless
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention provides a quick positioning method based on a radio frequency technology, which comprises the following steps: s1, collecting environmental information by a plurality of cameras, and constructing an environmental model by a monitoring center; s2, the monitoring center sends a positioning request to the wireless receiving device, and the wireless receiving device collects the radio frequency signal of the wireless transmitting device; s3, the camera collects image information in real time and sends the image information to a monitoring center; s4, the monitoring center obtains the position information of the wireless transmitting device according to the radio frequency information, and the monitoring center verifies the accuracy of the position information according to the image information and the environment model. According to the invention, the position information of the staff can be acquired more quickly and timely through the signals of the radio frequency technology and the image information of the image acquisition technology, and meanwhile, good accuracy is ensured, the positioning method is simple, and the application cost is effectively saved.
Description
Technical Field
The invention relates to the technical field of positioning methods, in particular to a quick positioning method based on a radio frequency technology.
Background
Because the complexity of the building environment in the building engineering makes the safety of constructors receive certain threat, if the real-time position information of the workers can be accurately measured, the safety of the workers can be effectively ensured, and meanwhile, under the emergency situation, the positions of the workers can be smoothly and quickly obtained, so that the effective corresponding processing is carried out.
At present, the positioning for workers still has certain problems, for example, the positioning information has certain hysteresis, the accuracy of the positioning information is required to be realized to a certain extent, or the positioning method, the positioning equipment mechanism and the like are too complex, so that the cost of the building engineering is increased, and the application and popularization of the building engineering are influenced.
Therefore, how to provide a positioning method which can more conveniently realize real-time positioning of workers and has high positioning accuracy becomes an urgent problem to be solved.
Disclosure of Invention
The invention provides a quick positioning method based on a radio frequency technology, which effectively realizes quick positioning by combining the radio frequency technology and video acquisition.
The invention relates to a quick positioning method based on a radio frequency technology, which comprises a monitoring center, a wireless receiving device, a wireless transmitting device and a camera, and comprises the following steps:
s1, collecting environmental information by a plurality of cameras, and constructing an environmental model by a monitoring center;
s2, the monitoring center sends a positioning request to the wireless receiving device, and the wireless receiving device collects the radio frequency signal of the wireless transmitting device;
s3, the camera collects image information in real time and sends the image information to a monitoring center;
s4, the monitoring center obtains the position information of the wireless transmitting device according to the radio frequency information, and the monitoring center verifies the accuracy of the position information according to the image information and the environment model.
Preferably, the intelligent monitoring system further comprises infrared sensors, the infrared sensors are arranged at a plurality of positions inside the building and are respectively connected with a monitoring center, and the monitoring center verifies the accuracy of the position information according to infrared information collected by the infrared sensors.
Preferably, the monitoring center includes an image processing unit, a signal processing unit and a data storage unit.
Preferably, S4 includes the steps of:
s41, the monitoring center processes the radio frequency information through a data algorithm and obtains position information;
s42, processing the image information by the monitoring center through an image processing algorithm, and acquiring positioning verification information;
and S43, the monitoring center places the position information and the positioning verification information on the environment model, and verifies whether the position information and the positioning verification information are consistent.
According to the rapid positioning method based on the wireless radio frequency technology, the position information of the staff can be acquired more rapidly and timely through the signals of the wireless radio frequency technology and the image information of the image acquisition technology, meanwhile, good accuracy is guaranteed, the positioning method is simple, and the application cost of building construction is effectively saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a flow chart of a fast positioning method based on the radio frequency technology according to the present invention.
Fig. 2 is a flowchart of step S4 in the fast positioning method based on the radio frequency technology according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flow chart of a fast positioning method based on the radio frequency technology according to the present invention. As shown in fig. 1, in this embodiment, the fast positioning method based on the radio frequency technology may specifically include a monitoring center, a wireless receiving device, a wireless transmitting device, and a camera.
Specifically, the monitoring center is used for processing image information, data information and the like, and obtaining position information and the like through an algorithm.
The wireless receiving device and the wireless transmitting device are communicated through a wireless radio frequency technology respectively, so that the radio frequency information transmitted by the wireless transmitting device is sent to the wireless receiving device, and the position of the wireless transmitting device is convenient to determine subsequently.
The camera is used for collecting environmental information, so that the monitoring center can obtain the condition of the surrounding environment according to the environmental information, and a corresponding environment model is manufactured, thereby facilitating subsequent verification aiming at the position information and the like.
In addition, in this embodiment, the wireless transmitting devices are distributed to the hands of the respective workers, so that the wireless transmitting devices can move together with the workers, and the effectiveness of positioning for the workers is ensured. The wireless receiving device may be located at the center of the building environment or at other suitable locations, such as near a monitoring center. The camera can be specifically set up to a plurality ofly, sets up respectively on each position in building place to ensure can be complete gather the information of whole environment.
Furthermore, the system can further comprise infrared sensors, the infrared sensors are respectively arranged at a plurality of positions inside the building, so that the position condition and the movement condition of workers can be determined through infrared information, and the infrared sensors are respectively connected to the monitoring center, so that the accuracy of the position information can be further verified through the monitoring center according to the infrared information collected by the infrared sensors.
Still further, infrared sensor still sets up at the entrance, through infrared ray measurement of infrared sensor, calculates the quantity that gets into building inside staff to whether the location that combines staff is all accurate is confirmed through total staff number to the location.
Further, the monitoring center may specifically include an image processing unit, a signal processing unit, and a data storage unit.
The image processing unit acquires environment or staff information in the image through processing the environment information or the image information so as to carry out subsequent verification on the position information; the signal processing unit can acquire the position of the wireless transmitting device carried by a worker through processing the radio frequency information, and the position information is determined; and the data storage unit is used for storing information obtained after the processing of the image processing unit and the signal processing unit, storing finally obtained position information, generating work records and the like.
And, this embodiment specifically includes the following steps:
and S1, collecting environmental information by a plurality of cameras, and constructing an environmental model by the monitoring center.
Specifically, gather the information of building environment through on the each different positions in the building that sets up a plurality of cameras respectively for each corner of building environment can both be gathered, send the environmental information that the camera was gathered to the surveillance center simultaneously, carry out image processing to environmental information by the image processing unit in the surveillance center, and establish the virtual environment model of building according to the information after final processing, conveniently carry out operations such as subsequent positional information check according to this environmental model.
The image processing may specifically include operations such as filtering processing of the image information, amplification of the image information, edge recognition of the image information, and recognition and confirmation of an object in the image information.
S2, the monitoring center sends a positioning request to the wireless receiving device, and the wireless receiving device collects the radio frequency signal of the wireless transmitting device.
Specifically, according to the positioning requirement, the monitoring center may send a positioning request to the wireless receiving device every 1 minute, 5 minutes, 10 minutes, 30 minutes, 60 minutes, and the like, and the wireless receiving device acquires the radio frequency signal transmitted by the wireless transmitting device through the radio frequency technology after receiving the positioning request, and finally sends the radio frequency signal to the monitoring center, and then the signal processing unit in the monitoring center performs corresponding processing.
Furthermore, the monitoring center can also be set to acquire radio frequency signals in real time through the wireless receiving device according to the use requirement.
And S3, the camera collects image information in real time and sends the image information to the monitoring center.
Specifically, real-time image information is acquired through a plurality of cameras arranged in a building, and due to the fact that workers are located in the building in the working process, the acquired image information comprises the shapes of the workers, and finally the acquired image information is sent to a monitoring center so that the image processing unit in the monitoring center can process the image information in the following process.
S4, the monitoring center obtains the position information of the wireless transmitting device according to the radio frequency information, and the monitoring center verifies the accuracy of the position information according to the image information and the environment model.
Specifically, the signal processing unit in the monitoring center performs data processing on the radio frequency information, and can obtain the position information of the wireless transmitting device corresponding to the radio frequency information, which is equivalent to obtaining the position information of the staff carrying the wireless transmitting device.
The processing of the image information by the image processing unit in the monitoring center will enable the position of the worker located in the image information to be obtained.
The position information obtained according to the radio frequency information and the position of the worker in the image information is placed on the environment model, and whether the position information is accurate or not can be determined according to the position coincidence, so that the position information can be verified.
Furthermore, the monitoring center also determines the position of the staff or the passing place according to the infrared information collected by the infrared sensor and compares the position information with the position information, so as to further ensure the accuracy of the position information.
Further, as shown in fig. 2, S4 may further specifically include the following steps:
and S41, the monitoring center processes the radio frequency information through a data algorithm and obtains the position information.
Specifically, a signal processing unit in the monitoring center processes the radio frequency information through a data algorithm, so as to obtain the position information of the wireless transmitting device.
The data algorithm of the signal processing unit may specifically include data filtering, invalid data discarding, data amplifying, and other algorithms.
The data algorithm can determine the distance between the wireless receiving device and each wireless transmitting device according to the time difference between the radio frequency signals transmitted by different wireless transmitting devices acquired by the wireless receiving device, and determine the position information of each wireless transmitting device according to the direction of each wireless transmitting device and the like according to the receiving angle.
And S42, processing the image information by the monitoring center through an image processing algorithm, and acquiring positioning verification information.
Specifically, an image processing unit in the monitoring center processes the image information so as to extract the position of the staff in the image information, thereby obtaining the positioning verification information of the position information for subsequent verification.
And S43, the monitoring center places the position information and the positioning verification information on the environment model, and verifies whether the position information and the positioning verification information are consistent.
Specifically, the environmental model constructed according to the environmental information is used for placing the position information and the positioning verification information on the environmental model so as to determine whether the position information is consistent with the positioning verification information, if so, the position information is determined to be correct, if not, the position information is determined to be wrong, and the position information needs to be determined again, and then, the steps S2 to S4 are repeated until the position information is consistent with the positioning verification information.
According to the rapid positioning method based on the wireless radio frequency technology, the position information of the staff can be acquired more rapidly and timely through the signals of the wireless radio frequency technology and the image information of the image acquisition technology, meanwhile, good accuracy is guaranteed, the positioning method is simple, and the application cost of building construction is effectively saved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. A quick positioning method based on radio frequency technology comprises a monitoring center, a wireless receiving device, a wireless transmitting device and a camera, and is characterized by comprising the following steps:
s1, collecting environmental information by the plurality of cameras, and constructing an environmental model by the monitoring center;
s2, the monitoring center sends a positioning request to the wireless receiving device, and the wireless receiving device collects the radio frequency signal of the wireless transmitting device;
s3, the camera collects image information in real time and sends the image information to the monitoring center;
and S4, the monitoring center acquires the position information of the wireless transmitting device according to the radio frequency information, and the monitoring center verifies the accuracy of the position information according to the image information and the environment model.
2. The rapid positioning method based on the wireless radio frequency technology as claimed in claim 1, further comprising infrared sensors, wherein the infrared sensors are arranged at a plurality of positions inside the building and are respectively connected with the monitoring center, and the monitoring center checks the accuracy of the position information according to the infrared information collected by the infrared sensors.
3. The fast positioning method based on wireless radio frequency technology as claimed in claim 1,
the monitoring center comprises an image processing unit, a signal processing unit and a data storage unit.
4. The fast positioning method based on wireless radio frequency technology as claimed in claim 1,
s4 includes the steps of:
s41, the monitoring center processes the radio frequency information through a data algorithm and obtains the position information;
s42, the monitoring center processes the image information through an image processing algorithm and obtains positioning verification information;
and S43, the monitoring center places the position information and the positioning verification information on the environment model, and verifies whether the position information and the positioning verification information are consistent.
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| CN201811112715.0A CN110944381A (en) | 2018-09-25 | 2018-09-25 | Rapid positioning method based on radio frequency technology |
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| CN201811112715.0A CN110944381A (en) | 2018-09-25 | 2018-09-25 | Rapid positioning method based on radio frequency technology |
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| CN105426862A (en) * | 2015-12-01 | 2016-03-23 | 杨春光 | Analysis method and system based on RFID (Radio Frequency Identification Devices), positioning technology and video technology |
| CN106231243A (en) * | 2016-07-15 | 2016-12-14 | 青岛华通军工投资有限责任公司 | The discovery of a kind of object without electronic mark and positioner |
| CN107122883A (en) * | 2017-03-22 | 2017-09-01 | 北京零科技有限公司 | A kind of electric car managing and control system based on radio frequency identification and intelligent video technology |
| CN207304732U (en) * | 2017-10-18 | 2018-05-01 | 北京伟开赛德科技发展有限公司 | The collection of tunnel type panoramic video, distribution and locating and tracking system |
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2018
- 2018-09-25 CN CN201811112715.0A patent/CN110944381A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150070218A1 (en) * | 2013-09-06 | 2015-03-12 | Tag-Comm Inc. | Method and system for locating wireless devices within a local region |
| CN105426862A (en) * | 2015-12-01 | 2016-03-23 | 杨春光 | Analysis method and system based on RFID (Radio Frequency Identification Devices), positioning technology and video technology |
| CN106231243A (en) * | 2016-07-15 | 2016-12-14 | 青岛华通军工投资有限责任公司 | The discovery of a kind of object without electronic mark and positioner |
| CN107122883A (en) * | 2017-03-22 | 2017-09-01 | 北京零科技有限公司 | A kind of electric car managing and control system based on radio frequency identification and intelligent video technology |
| CN207304732U (en) * | 2017-10-18 | 2018-05-01 | 北京伟开赛德科技发展有限公司 | The collection of tunnel type panoramic video, distribution and locating and tracking system |
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