CN111526340A - System and method for tracking ball machine power - Google Patents
System and method for tracking ball machine power Download PDFInfo
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- CN111526340A CN111526340A CN202010569995.9A CN202010569995A CN111526340A CN 111526340 A CN111526340 A CN 111526340A CN 202010569995 A CN202010569995 A CN 202010569995A CN 111526340 A CN111526340 A CN 111526340A
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- airspace
- dome camera
- ball machine
- unit
- relay control
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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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/695—Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention relates to a system and a method for tracking the power of a ball machine, wherein the system comprises: the system comprises a dome camera, dome camera relay control equipment, NVR and display equipment; the method comprises the following steps: the ball machine relay control equipment monitors an airspace corresponding to the rotation of the ball machine and judges whether the airspace is crossed; if the cross-airspace exists, the ball machine relay control equipment starts the ball machine to switch, and the relay tracking of the ball machine is realized. The system and the method for the relay tracking of the ball machine can realize the relay tracking function based on a common non-intelligent ball machine, and greatly reduce the construction cost of the relay tracking system of the ball machine.
Description
Technical Field
The invention relates to the field of application of security cameras, in particular to a system and a method for power tracking of a ball machine.
Background
In the application field of security cameras, tracking of moving objects by dome camera is widely used, but the airspace range tracked by a single dome camera is limited, in practical application, a series of dome camera has a relay tracking function, in the prior art, relay tracking of the dome camera is realized by deploying a machine vision algorithm server for the dome camera and dividing the airspace in a machine vision mode, so that switching of different dome cameras is controlled, and the deployment cost of the current technical solution is too high.
Disclosure of Invention
In view of the deficiencies of the prior art implementations, the present invention is directed to a system and method for ball machine interface tracking. The system and the method for the relay tracking of the ball machine can realize the relay tracking function based on a common non-intelligent ball machine, and greatly reduce the construction cost of the relay tracking system of the ball machine.
The technical scheme provided by the invention is as follows:
a system for ball machine interface tracking, wherein the system comprises:
and the ball machine is used for shooting real-time video data and carrying out relay tracking.
And the ball machine relay control equipment is used for judging the airspace where the ball machine is positioned, controlling the switching of the ball machine and realizing relay tracking.
And the NVR is used for storing the video data of the ball machine.
And the display equipment is used for displaying the video data of the dome camera.
A system that ball machine power was tracked, wherein, ball machine specifically includes:
and the video acquisition unit is used for shooting video data in real time.
And the motion detection unit is used for detecting a moving object.
And the motor unit is used for driving the video acquisition unit to rotate up, down, left and right, thereby realizing the tracking of moving objects.
And the PTZ logic unit is used for controlling the rotation of the motor unit.
And the communication unit is used for transmitting real-time video data and receiving a control command of the ball machine relay control equipment.
The system for tracking the ball machine relay, wherein the ball machine relay control equipment specifically comprises:
and the communication unit is used for carrying out data communication with the ball machine.
And the airspace division unit is used for distinguishing the airspace range which can be monitored by the dome camera and binding the airspace range with the corresponding dome camera.
And the airspace judging unit is used for judging whether the airspace corresponding to the rotation of the dome camera spans the airspace.
And the PTZ control unit is used for sending a control command to a motor unit of the ball machine.
And the dome camera switching unit is used for controlling the switching of the dome camera when the airspace determining unit determines that the airspace corresponding to the rotation of the dome camera spans the airspace, and the display equipment displays the video data of the switched dome camera.
The invention also discloses a method for tracking the ball machine interface, wherein the method comprises the following steps:
the ball machine relay control equipment monitors the airspace corresponding to the rotation of the ball machine.
The ball machine relay control equipment judges whether an airspace is crossed.
If the airspace is not crossed, the ball machine relay control equipment continues to monitor the airspace corresponding to the rotation of the ball machine.
If the airspace is crossed, the ball machine relay control equipment starts the switching of the ball machine.
The method for tracking the ball machine relay, wherein the ball machine relay control device monitors an airspace corresponding to the rotation of the ball machine, and specifically comprises the following steps:
and the communication unit of the ball machine relay control equipment acquires the rotating position parameter information of the ball machine from the ball machine.
And the airspace division unit of the dome camera relay control equipment inquires and acquires the airspace information corresponding to the current dome camera position according to the acquired position parameter information.
The method for tracking the ball machine relay force, wherein the ball machine relay force control equipment judges whether an airspace is crossed, specifically comprises the following steps:
and the airspace judging unit of the dome camera relay control equipment judges whether the airspace range is the monitoring range of the current dome camera or not according to the airspace information corresponding to the position of the dome camera obtained by inquiring the acquired airspace dividing unit.
The method for tracking the ball machine interface, wherein if no airspace is crossed, the method specifically comprises the following steps:
the airspace judging unit of the dome camera relay control equipment judges that the airspace range is in the monitoring range of the current dome camera, and the airspace dividing unit of the dome camera relay control equipment continuously monitors the airspace corresponding to the rotation of the dome camera.
The method for tracking the power of the ball machine, wherein if the airspace is crossed, the method specifically comprises the following steps:
the airspace judging unit of the dome camera relay control equipment judges that the airspace range is not in the monitoring range of the current dome camera, the dome camera switching unit of the dome camera relay control equipment controls the switching of the dome camera, and the video data of the switched dome camera are displayed on the display equipment.
The system and the method for the relay tracking of the ball machine can realize the relay tracking function based on a common non-intelligent ball machine, and greatly reduce the construction cost of the relay tracking system of the ball machine.
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 embodiments are briefly described 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 creative efforts.
Fig. 1 is a system architecture diagram of a ball machine interface tracking system according to the present invention.
Fig. 2 is a functional structure block diagram of a ball machine in the system architecture diagram of the ball machine power tracking system of the present invention.
Fig. 3 is a functional block diagram of a ball game machine interface control device in the system architecture diagram of the ball game machine interface tracking system according to the present invention.
Fig. 4 is a flowchart of a preferred embodiment of a method for baton tracking according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is described in further detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention provides a system architecture diagram of a ball machine interface tracking system, as shown in fig. 1. The method specifically comprises the following steps:
the robot comprises a dome camera 100, a dome camera relay control device 200, an NVR300 and a display device 400.
The ball machine 100 is used for shooting real-time video data and for relay tracking; in practical application, the dome camera 100 is provided with a plurality of dome cameras, and monitoring areas which are mutually covered are arranged between adjacent dome cameras; the ball machine 100 can rotate up, down, left and right; the relay tracking of the dome camera 100 means that a moving object moves from the monitoring range of one dome camera to the monitoring range of another dome camera, and the video windows of the dome cameras are seamlessly switched; the ball machine 100 has a tracking function for a moving object; the tracking function is realized by the ball machine rotating up and down and left and right.
The ball machine relay control equipment 200 is used for judging the airspace where the ball machine is located, controlling the switching of the ball machine and realizing relay tracking; the airspace refers to a monitoring range of the dome camera 100; the monitoring range refers to a left boundary and a right boundary determined by the left-right rotation of the dome camera 100, an upper boundary and a lower boundary determined by the up-down rotation, and a video monitoring range determined by the left boundary, the right boundary, the upper boundary and the lower boundary; the video monitoring range is actually determined by the position parameters of the dome camera rotating up, down, left and right; the airspace where the dome camera is located is actually judged according to the rotating position parameters of the motor of the dome camera; and actually, switching the control ball machine video from one ball machine to another ball machine, and then displaying the video on display equipment.
The NVR300 is used for storing video data of the dome camera; the NVR300 is a network video recorder; the network hard disk video recorder is in direct communication with the dome camera 100 to obtain video data of the dome camera and store the video data; the video data of the dome camera is acquired through an onvif protocol or a GB28181 protocol which is commonly used in the security industry or a protocol customized by a manufacturer; the storage refers to storing the video data on a hard disk.
The display device 400 is used for displaying video data of the dome camera; the display device 400 includes, but is not limited to: television display screens, computer display screens, LED commercial display screens; the video data of the dome camera is decoded and displayed by the display device 400, and the real-time video data shot by the dome camera 100 is displayed.
The invention provides a functional structure block diagram of a dome camera in a system architecture diagram of a dome camera power tracking system, as shown in fig. 2. The method specifically comprises the following steps:
the device comprises a video acquisition unit 101, a motion detection unit 102, a motor unit 103, a PTZ logic unit 104 and a communication unit 105.
The video acquisition unit 101 of the dome camera 100 is configured to capture video data in real time; the video acquisition unit 101 is configured to encode the acquired real-time video data; the video acquisition unit 101 may have different specifications according to specific application scenarios; the different specifications include, but are not limited to: resolution and frame rate; the encoding refers to encoding based on different video encoding standards, and specifically includes but is not limited to: h.264, h.265.
The motion detection unit 102 of the ball machine 100 is configured to detect a moving object; the motion detection is that when the video data picture collected by the video collecting unit changes, the dome camera calculates and compares according to a certain algorithm, and the number obtained by the calculation and comparison result exceeds a threshold value, which indicates that a moving object appears in the video monitoring range of the dome camera.
The motor unit 103 of the ball machine 100 is configured to drive the video capture unit to rotate up and down, left and right, thereby realizing tracking of a moving object; the motor unit 103 receives and processes a control instruction of the PTZ logic unit to control the rotation of the motor; thereby realizing the tracking of the moving object.
The PTZ logic unit 104 of the ball machine 100 is configured to control rotation of the motor unit 103; the PTZ logic unit 104 sends a rotation control command to the motor unit 103 according to the moving object detected by the motion detection unit 102; the rotation control command is called a PTZ command.
The communication unit 105 of the dome camera 100 is configured to transmit real-time video data and receive a control command of a dome camera relay control device; the communication unit 105 is configured to transmit the video data acquired by the video acquisition unit 101 to the NVR for storage, and transmit the video data to the display device for display; the communication unit 105 is further configured to receive a control command of the ball machine relay control device; the control command is a PTZ control command and controls the ball machine to rotate.
The present invention provides a functional structure block diagram of a ball game machine interface control device in a system architecture diagram of a ball game machine interface tracking system, as shown in fig. 3. The method specifically comprises the following steps:
The communication unit 201 of the ball machine relay control device 200 is configured to perform data communication with the ball machine 100; the communication includes acquiring position parameter information of motor rotation from the dome camera 100; the communication also includes sending PTZ control commands to the dome machine 100.
The airspace division unit 202 of the dome camera relay control device 200 is configured to divide an airspace range that can be monitored by the dome camera, and bind the airspace range to a corresponding dome camera; the airspace division unit 202 divides different monitoring ranges for each dome camera 100; the monitoring range is determined by the left boundary, the upper boundary and the lower boundary of the rotation of the motor unit 103 of the dome camera 100; the airspace division unit 202 records that the monitoring range of each dome camera 100 actually records the position information of the left boundary, the upper boundary and the lower boundary of the rotation of the click unit 103 of the dome camera 100; the position information and the ball machine 100 form a binding relationship; the binding relationship is to bind the airspace range with the corresponding dome camera.
The airspace determination unit 203 of the dome camera relay control device 200 is configured to determine whether an airspace corresponding to rotation of the dome camera crosses an airspace; the communication unit 201 of the ball machine relay control device 200 acquires position parameter information of ball machine rotation from the ball machine; the airspace division unit 202 of the dome camera relay control device 200 obtains airspace information corresponding to the current dome camera position according to the obtained position parameter information; the airspace determining unit 203 of the dome camera relay control device 200 determines whether the airspace range is the monitoring range of the current dome camera according to the airspace information corresponding to the position of the dome camera obtained by the airspace dividing unit query.
The PTZ control unit 204 of the dome camera relay control device 200 is configured to send a control instruction to the motor unit 103 of the dome camera 100; the control instruction is a PTZ instruction; and the control instruction controls the motor to rotate up, down, left and right.
The dome camera switching unit 205 of the dome camera relay control device 200 determines that the airspace corresponding to the rotation of the dome camera is across the airspace when the airspace determination unit determines that the dome camera is switched, and the switching unit controls the switching of the dome camera, and the video data of the switched dome camera is displayed on the display device.
The present invention provides a flowchart of a preferred embodiment of a method for baton tracking, as shown in fig. 4. The method comprises the following specific steps:
step S100: the ball machine relay control equipment monitors the airspace corresponding to the rotation of the ball machine.
The communication unit 201 of the ball machine relay control device 200 acquires the position parameter information of the rotation of the ball machine motor unit 103 from the ball machine 100; the position parameter information of the motor unit 103 is transmitted by a PTZ command.
The airspace division unit 202 of the dome camera relay control device 200 obtains airspace information corresponding to the current dome camera position according to the obtained position parameter information; the airspace information actually corresponds to the positional parameter information of the motor unit 103 of the dome camera 100.
Step S200: the ball machine relay control equipment judges whether an airspace is crossed.
The airspace determining unit 203 of the dome camera relay control device 200 determines whether the airspace range is the monitoring range of the current dome camera according to the airspace information corresponding to the acquired dome camera position inquired by the airspace dividing unit 202; the airspace determining unit 203 determines whether the airspace range is the monitoring range of the current dome camera according to whether the rotating position of the motor unit 103 of the dome camera is close to the threshold range of the left boundary, the right boundary, the upper boundary or the lower boundary, and if the rotating position of the motor unit is close to the threshold range of the left boundary, the right boundary, the upper boundary or the lower boundary, the airspace is determined to be across the airspace; and if the range of the threshold value is not reached, judging that the airspace is not crossed.
Step S300: and if the airspace is not crossed, the ball machine relay control equipment continuously monitors the airspace corresponding to the rotation of the ball machine.
The airspace determination unit 203 of the dome camera relay control device 200 determines that the airspace range is within the monitoring range of the current dome camera, and the airspace division unit 202 of the dome camera relay control device 200 continues to monitor the airspace corresponding to the rotation of the dome camera.
Step S400: if the airspace is crossed, the ball machine relay control equipment starts the switching of the ball machine.
The airspace determination unit 203 of the dome camera relay control device 200 determines that the airspace range is not within the monitoring range of the current dome camera, the dome camera switching unit 205 of the dome camera relay control device 200 controls switching of the dome cameras, and the video data of the switched dome cameras are displayed on the display device.
The system and the method for the relay tracking of the ball machine can realize the relay tracking function based on a common non-intelligent ball machine, and greatly reduce the construction cost of the relay tracking system of the ball machine.
It should be understood that the invention is not limited to the embodiments described above, but that modifications and variations can be made by one skilled in the art in light of the above teachings, and all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. A ball machine interface tracking system, comprising:
the ball machine is used for shooting real-time video data and carrying out relay tracking;
the ball machine relay control equipment is used for judging the airspace where the ball machine is located, controlling the switching of the ball machine and realizing relay tracking;
the NVR is used for storing video data of the dome camera;
and the display equipment is used for displaying the video data of the dome camera.
2. The system for ball machine interface tracking according to claim 1, wherein the ball machine specifically comprises:
the video acquisition unit is used for shooting video data in real time;
a motion detection unit for detecting a moving object;
the motor unit is used for driving the video acquisition unit to rotate up, down, left and right, so that the tracking of a moving object is realized;
a PTZ logic unit for controlling the rotation of the motor unit;
and the communication unit is used for transmitting real-time video data and receiving a control command of the ball machine relay control equipment.
3. The system for ball machine relay tracking according to claim 1, wherein the ball machine relay control device specifically comprises:
a communication unit for performing data communication with the ball machine;
the airspace division unit is used for distinguishing the airspace range which can be monitored by the dome camera and binding the airspace range with the corresponding dome camera;
the airspace judging unit is used for judging whether the airspace corresponding to the rotation of the dome camera spans the airspace or not;
the PTZ control unit is used for sending a control command to a motor unit of the dome camera;
and the dome camera switching unit is used for controlling the switching of the dome camera when the airspace determining unit determines that the airspace corresponding to the rotation of the dome camera spans the airspace, and the display equipment displays the video data of the switched dome camera.
4. A method for ball machine interface tracking, the method comprising the steps of:
monitoring an airspace corresponding to the rotation of the dome camera by the dome camera relay control equipment;
the ball machine relay control equipment judges whether an airspace is crossed;
if the airspace is not crossed, the ball machine relay control equipment continues to monitor the airspace corresponding to the rotation of the ball machine;
if the airspace is crossed, the ball machine relay control equipment starts the switching of the ball machine.
5. The method for tracking the power of a dome camera according to claim 4, wherein the monitoring of the airspace corresponding to the rotation of the dome camera by the dome camera power control device specifically comprises:
a communication unit of the dome camera relay control equipment acquires the rotating position parameter information of the dome camera from the dome camera;
and the airspace division unit of the dome camera relay control equipment inquires and acquires the airspace information corresponding to the current dome camera position according to the acquired position parameter information.
6. The method for tracking the power of a dome camera according to claim 4, wherein the determining by the dome camera relay control device whether to cross an airspace specifically comprises:
and the airspace judging unit of the dome camera relay control equipment judges whether the airspace range is the monitoring range of the current dome camera or not according to the airspace information corresponding to the position of the dome camera obtained by inquiring the acquired airspace dividing unit.
7. The method of claim 4, wherein if there is no cross-airspace, the method specifically comprises:
the airspace judging unit of the dome camera relay control equipment judges that the airspace range is in the monitoring range of the current dome camera, and the airspace dividing unit of the dome camera relay control equipment continuously monitors the airspace corresponding to the rotation of the dome camera.
8. The method of claim 4, wherein crossing the spatial domain specifically comprises:
the airspace judging unit of the dome camera relay control equipment judges that the airspace range is not in the monitoring range of the current dome camera, the dome camera switching unit of the dome camera relay control equipment controls the switching of the dome camera, and the video data of the switched dome camera are displayed on the display equipment.
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| CN202010569995.9A CN111526340A (en) | 2020-06-21 | 2020-06-21 | System and method for tracking ball machine power |
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| CN202010569995.9A CN111526340A (en) | 2020-06-21 | 2020-06-21 | System and method for tracking ball machine power |
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Cited By (1)
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| CN114429501A (en) * | 2022-04-06 | 2022-05-03 | 湖南九九智能环保股份有限公司 | Air space atmospheric pollution tracing and positioning method and system |
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