CN111800603A - Method, system and storage medium for transmitting vehicle video picture data based on 5G - Google Patents
Method, system and storage medium for transmitting vehicle video picture data based on 5G Download PDFInfo
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- CN111800603A CN111800603A CN202010488594.0A CN202010488594A CN111800603A CN 111800603 A CN111800603 A CN 111800603A CN 202010488594 A CN202010488594 A CN 202010488594A CN 111800603 A CN111800603 A CN 111800603A
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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
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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Abstract
The invention discloses a method and a system for transmitting vehicle video picture data based on 5G, wherein the method comprises the following steps: the method comprises the steps of obtaining vehicle video data in real time, and connecting the vehicle video data with a rear-end video monitoring platform through a 5G wireless network; identifying and detecting the vehicle video data acquired in real time to acquire vehicle structural data, wherein the structural data comprises at least one of vehicle brand, vehicle type, color, license plate type, license plate number and license plate color; and cutting and coding the vehicle video data acquired in real time to obtain a vehicle picture. The method and the system for transmitting the vehicle video picture data based on the 5G can solve the technical problems that the vehicle structuralization and the vehicle video data are transmitted in a 5G wireless mode, the installation and wiring cost is reduced, the transmission bandwidth is improved, and the transmission delay is reduced.
Description
Technical Field
The invention relates to the field of 5G video processing, in particular to a method, a system and a storage medium for transmitting vehicle video picture data based on 5G.
Background
The traditional vehicle snapshot camera transmits videos, vehicle pictures and structured data through a wired network, and the wiring cost is high; if the 4G wireless mode is adopted for transmission, the problems of video delay, blocking, picture loss and the like often occur due to the limitation of bandwidth, in the application scene of vehicle snapshot and video monitoring, a new 5G wireless mode is needed for transmitting videos, vehicle pictures and structured data, the videos, the vehicle pictures and the structured data are transmitted in a 5G wireless mode, the installation and wiring cost is reduced, the transmission bandwidth is improved, the transmission delay and the use cost are reduced, the experience effect of customer use is increased, and the satisfaction degree is improved.
Disclosure of Invention
The invention mainly aims to provide a method, a system and a storage medium for transmitting vehicle video picture data based on 5G, which can solve the problems that in the application scene of vehicle snapshot and video monitoring in the prior art, the traditional vehicle snapshot camera has higher wiring cost, is limited in bandwidth, and is easy to have audio and video delay, pause, picture loss and the like.
To achieve the above object, a first aspect of the present invention provides a method for transmitting vehicle video picture data based on 5G, the method comprising:
the method comprises the steps of obtaining vehicle video data in real time, and connecting the vehicle video data with a rear-end video monitoring platform through a 5G wireless network;
identifying and detecting the vehicle video data acquired in real time to acquire vehicle structural data, wherein the structural data are vehicle brand, vehicle type, color, license plate type, license plate number and license plate color;
cutting and coding the vehicle video data acquired in real time to obtain a vehicle picture;
and transmitting the vehicle video data, the vehicle pictures and the structured data to a rear-end video monitoring platform through a 5G wireless network.
In order to achieve the above object, a second aspect of the present invention provides a system for transmitting vehicle video picture data based on 5G, the system comprising:
the system comprises an image sensor, a video acquisition module, a vehicle detection module, a cutting coding module and a 5G data transmission module, wherein the image sensor, the video acquisition module, the vehicle detection module, the cutting coding module and the 5G data transmission module are in signal connection;
the image sensor is used for acquiring a sensing image;
the video acquisition module is used for acquiring vehicle video frame data in the sensing image and a time stamp t1 thereof;
the vehicle detection module is used for detecting vehicle alarm information, and the alarm information comprises a unique vehicle number in a video, a timestamp t2, position coordinates of a video picture where a vehicle is located and structured data;
the cutting and coding module is used for firstly coding an original video frame at the time of a timestamp t1 to generate a video frame picture through vehicle position information, and then cutting and coding a vehicle picture when a vehicle is positioned at a certain position coordinate from the complete video frame picture at the time of a timestamp t 2;
the 5G data transmission module is used for transmitting the vehicle pictures, the structured data and the original videos to the rear-end video monitoring platform.
The invention provides a method, a system and a storage medium for transmitting vehicle video picture data based on 5G. The method comprises the following steps: the method comprises the steps of obtaining vehicle video data in real time, and connecting the vehicle video data with a rear-end video monitoring platform through a 5G wireless network; identifying and detecting the acquired vehicle video data to acquire vehicle structural data, wherein the structural data is at least one of vehicle brand, vehicle type, color, license plate type, license plate number and license plate color; cutting and coding the vehicle video data acquired in real time to obtain a vehicle picture; and transmitting the vehicle video data, the vehicle pictures and the structured data to a back end through a 5G wireless network. According to the method for transmitting the vehicle video picture data based on the 5G, the vehicle picture is transmitted in a 5G wireless mode, data are structured, and the technical problems of reducing installation and wiring cost, improving transmission bandwidth and reducing transmission delay can be solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating a method for transmitting vehicle video picture data based on 5G according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a video capture module according to a first embodiment of the present invention, illustrating a method for transmitting vehicle video image data based on 5G;
fig. 3 is a schematic diagram of a system for transmitting vehicle video picture data based on 5G according to a second embodiment of the present invention.
FIG. 4 is a diagram illustrating a clipping and coding refinement based on a 5G transmission method according to a first embodiment of the present invention;
fig. 5 is a detailed diagram of video processing and alarm based on the 5G transmission method according to the first embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a connection refinement based on a 5G transmission method according to a first embodiment of the present invention;
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, 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 apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Because the traditional vehicle snapshot camera is transmitted through a wired network in the prior art, the wiring cost is high, the bandwidth is limited, and the problems of video delay, blockage, picture loss and the like are easy to occur.
In order to solve the technical problem, the invention provides a method and a system for transmitting vehicle video picture data based on 5G.
Fig. 1 and 4 are schematic flow charts of a method for transmitting vehicle video picture data based on 5G according to a first embodiment of the present invention. The method comprises the following steps:
the video acquisition module is responsible for acquiring original video frame data yuv _ i and a timestamp tv _ i from the image sensor, the image sensor can be a video camera, the video acquisition module acquires vehicle video data shot in the image sensor in real time and transmits the vehicle video data to the rear-end video monitoring platform through 5G wireless network connection.
Example 1
Referring to fig. 2, vehicle video raw data captured in a field of view is collected from an image sensor, and after image processing is performed by an isp module, yuv video frame data yuv _ i at the time of outputting a timestamp tv _ i is output.
The acquisition method comprises the following steps: after natural light signals of a vehicle shot in a field of view are projected to a photosensitive area of an image sensor through a lens, the image sensor performs photoelectric conversion, and sends an original image in a Bayer format to a video acquisition module isp module.
further, referring to fig. 4 and 5, before identifying and detecting the vehicle video data acquired in real time, an alarm step is included: and judging whether a vehicle exists in the vehicle video data acquired in real time, if so, triggering an alarm event, identifying and detecting the vehicle video data, and caching the alarm event to an event linked list.
Example 2
Please refer to fig. 5 and 4:
1. the original video of the vehicle shot in the field of view is input to the video acquisition module in a YUV format data frame.
2. The vehicle video acquisition module unit is responsible for analyzing each frame of YUV original data generated by the camera and outputting alarm information event _ n _ i, such as ID (each vehicle has a unique number), timestamp T, position [ start point (1500,500), end point (1700,640) ] of a vehicle A and structured data structDat _ u (including vehicle brand, vehicle type, color, license plate type, license plate number and license plate color).
3. And caching the alarm event _ n _ i to the event linked list event _ list.
An example of an alarm acquisition process of a vehicle video acquisition module is as follows:
the vehicle A is shot in the field of view of the image sensor, the video acquisition module senses and acquires a video of the vehicle A, an event is triggered to give an alarm, the video acquisition module processes the video to obtain structured data and time stamps T and positions, so that the collected specific information of the vehicle A, including the brand, model, color, license plate type, license plate number and license plate color of the vehicle, is collected, the vehicle A alarm information is transmitted to the rear end, and the specific information of the vehicle A is inquired at the rear end sometime and someplace.
example 3:
please refer to fig. 3 and 4
1. The clipping and coding module firstly codes an original yuv video frame yuv _ i at a certain time T1 to generate video Jpg _ i through vehicle position information,
2. then at a certain time T at a coordinate position [ start (1500,500), end (1700,640) ], the vehicle picture vehPicYuv _ u is cropped from the complete video frame picture yuv _ u, and the video coding module generates the vehicle picture vehPicJpg _ u at a certain time T2 for the vehicle a coding.
It can be understood by way of example here that, the cropping coding module may have multiple vehicles appearing in the video through a vehicle position information cropping coding process, at multiple lane positions, such as the vehicle a marked as [ start point (1500,500), end point (1700,640) ], and the vehicles B at other places, at a certain time T1, the original yuv video frame yuv _ i is coded to generate a video frame picture videoJpg _ i, and the video frame picture videoJpg _ i is processed to obtain a clearer vehicle picture vehpicju coded at a certain time T2, so as to facilitate later viewing.
The cutting method comprises the following steps: at a certain time T2, vehicle picture vehPicYuv _ u data is cropped from the rectangular coordinate position [ start point (1500,500), end point (1700,640) ] in the original yuv video frame yuv _ i.
The coding method comprises the following steps: and encoding the yuv format picture data into jpg format picture data by adopting an MJPEG encoder.
And 104, transmitting the vehicle video data, the vehicle pictures and the structured data to a rear-end video monitoring platform through a 5G wireless network, and connecting the 5G data transmission module to the rear-end video monitoring platform 5G, so that wiring is reduced, the transmission speed is high and fast, and the transmission speed is superior to that of the conventional wired and 4G network, so that the transmission of the vehicle video picture data is more timely and efficient, and the background rear-end video monitoring platform can timely process emergencies.
Example 3:
please refer to fig. 5
1. And establishing connection, wherein the monitoring platform sends a connection establishment request to a specified camera (for example 192.168.1.100), and the camera agrees and returns a response after receiving the request.
2. The method comprises the steps that videos, vehicle pictures and structured data are requested, a monitoring platform sends video and picture requests to a specified camera, and the camera returns the videos, the vehicle pictures and the structured data to the monitoring platform after receiving the requests.
3. And disconnecting, the monitoring platform sends a disconnection request to the specified camera, and the camera agrees to disconnect and returns a response after receiving the request.
Optionally, the method for vehicle video picture data further includes an image sensor, a video acquisition module, a vehicle detection module, a cropping coding module and a 5G data transmission module, and the image sensor, the video acquisition module, the vehicle detection module, the cropping coding module and the 5G data transmission module are in signal connection.
Further, acquiring original vehicle video frame data and a time stamp t1 thereof from the image sensor by using the video acquisition module; the image sensor may be a camera responsible for capturing the vehicle in view.
Detecting vehicle alarm information by using the vehicle detection module, wherein the information comprises a unique vehicle number in a video, a timestamp t2, position coordinates of a video picture where the vehicle is located and structured data; the vehicle detection module has the functions of identifying the position coordinates of the video picture where the detected vehicle is located and structuring data, so that the vehicle detection alarm information is output.
Further, by using the clipping and encoding module, through vehicle position information, firstly encoding an original video frame at the time of a timestamp t1 to generate a video frame picture, and then clipping and encoding a vehicle picture when a vehicle is located at a certain position coordinate from an integral video frame picture at the time of a timestamp t 2; and the cutting coding module performs video picture format conversion, and cuts out a better vehicle complete picture at a certain time from the original video frame format picture.
Utilize 5G data transmission module will vehicle picture, structured data, original video transmission rear end video monitor platform utilize 5G data transmission module connects rear end video monitor platform 5G, has reduced the wiring, and transmission speed is high-speed swift, is superior to wired in the past, 4G network, makes transmission vehicle video picture data more in time high-efficient, and backstage rear end video monitor platform in time handles emergency.
Referring to fig. 4, a schematic diagram of a system for transmitting vehicle video picture data based on 5G in the second embodiment of the present invention is shown in fig. 4. The method adopts the following devices: the system comprises an image sensor, a video acquisition module 1, a vehicle detection module 2 and a cutting coding module 3 and a 5G data transmission module 4, wherein the image sensor, the video acquisition module 1, the vehicle detection module 2 and the cutting coding module 3 and the 5G data transmission module 4 are in signal connection;
the image sensor is used for acquiring a sensing image;
the video acquisition module 1 is used for acquiring vehicle video frame data in a sensing image and a timestamp t1 thereof;
the vehicle detection module 2 is used for detecting vehicle alarm information, wherein the alarm information comprises a unique vehicle number in a video, a timestamp t2, position coordinates of a video picture where a vehicle is located and structured data;
the cutting and coding module 3 is used for firstly coding an original video frame at the time of a timestamp t1 to generate a video frame picture through the vehicle position information, and then cutting and coding a vehicle picture when a vehicle is positioned at a certain position coordinate from the complete video frame picture at the time of a timestamp t 2;
and the 5G data transmission module 4 is used for transmitting the vehicle picture, the structured data and the original video to a rear-end video monitoring platform.
In a third embodiment of the present invention, a computer-readable storage medium of a method and a system for transmitting vehicle video picture data based on 5G is provided, on which a computer program is stored, and when the computer program is executed by a processor, the system of the method is implemented.
In the embodiment of the invention, particularly, the 5G data transmission module is connected with a remote rear end through a 5G network, acquires vehicle video data in real time, and is connected with a rear end video monitoring platform through a 5G wireless network; identifying and detecting the vehicle video data acquired in real time to acquire vehicle structural data, wherein the structural data is at least one of vehicle brand, vehicle type, color, license plate type, license plate number and license plate color; and transmitting the vehicle video data, the vehicle pictures and the structured data to a rear-end video monitoring platform through a 5G wireless network. According to the method and the system for transmitting the vehicle video picture data based on the 5G, the vehicle video picture data is transmitted in a 5G wireless mode, so that the technical problems of reducing the installation and wiring cost, improving the transmission bandwidth and reducing the transmission delay can be solved.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no acts or modules are necessarily required of the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the method and system for transmitting vehicle video image data based on 5G provided by the present invention, those skilled in the art will appreciate that the embodiments and applications of the method and system according to the present invention can be modified, and in summary, the disclosure of the present invention should not be construed as limiting the scope of the present invention.
Claims (6)
1. A method for transmitting vehicle video picture data based on 5G is characterized in that:
the method comprises the steps of obtaining vehicle video data in real time, and connecting the vehicle video data with a rear-end video monitoring platform through a 5G wireless network;
identifying and detecting the vehicle video data to obtain vehicle structural data, wherein the structural data comprises at least one of vehicle brand, vehicle type, color, license plate type, license plate number and license plate color;
cutting and coding the vehicle video data to obtain a vehicle picture;
and transmitting the vehicle video data, the vehicle pictures and the structured data to a rear-end video monitoring platform through a 5G wireless network.
2. The method of vehicle video picture data according to claim 1, wherein the method utilizes a video capture module to capture raw vehicle video frame data from an image sensor and its time stamp t 1;
and detecting vehicle alarm information by using a vehicle detection module, wherein the alarm information comprises a unique vehicle number in a video, a timestamp t2, position coordinates of a video picture where the vehicle is located and structured data.
3. The method for video picture data of vehicle as claimed in claim 2, wherein the method utilizes a cropping coding module to obtain the vehicle position information, firstly coding the original video frame at the time of time stamp t1 to generate a video frame picture, and then cropping and coding the vehicle picture when the vehicle is located at a certain position coordinate from the complete video frame picture at the time of time stamp t 2;
and transmitting the vehicle picture, the structured data and the original video to a rear-end video monitoring platform by using a 5G data transmission module.
4. The method of vehicle video picture data according to claim 1,
the method comprises the following steps of before the identification and detection of the vehicle video data acquired in real time: and judging whether a vehicle exists in the vehicle video data acquired in real time, if so, triggering an alarm event, identifying and detecting the vehicle video data, and caching the alarm event to an event linked list.
5. A system for transmitting vehicle video picture data based on 5G is characterized by comprising: the system comprises an image sensor, a video acquisition module, a vehicle detection module, a cutting coding module and a 5G data transmission module, wherein the image sensor, the video acquisition module, the vehicle detection module, the cutting coding module and the 5G data transmission module are in signal connection;
the image sensor is used for acquiring a sensing image;
the video acquisition module is used for acquiring vehicle video frame data in the sensing image and a time stamp t1 thereof;
the vehicle detection module is used for detecting vehicle alarm information, and the alarm information comprises a unique vehicle number in a video, a timestamp t2, position coordinates of a video picture where a vehicle is located and structured data;
the cutting and coding module is used for firstly coding an original video frame at the time of a timestamp t1 to generate a video frame picture through vehicle position information, and then cutting and coding a vehicle picture when a vehicle is positioned at a certain position coordinate from the complete video frame picture at the time of a timestamp t 2;
the 5G data transmission module is used for transmitting the vehicle pictures, the structured data and the original videos to the rear-end video monitoring platform.
6. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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