CN114928721B - Switching method and system of football shooting lens, computer equipment and storage medium - Google Patents
Switching method and system of football shooting lens, computer equipment and storage medium Download PDFInfo
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- CN114928721B CN114928721B CN202210549308.6A CN202210549308A CN114928721B CN 114928721 B CN114928721 B CN 114928721B CN 202210549308 A CN202210549308 A CN 202210549308A CN 114928721 B CN114928721 B CN 114928721B
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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
- H04N23/67—Focus control based on electronic image sensor signals
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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
- H04N23/67—Focus control based on electronic image sensor signals
- H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions
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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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Abstract
The embodiment of the application belongs to the technical field of football, and relates to a switching method of a football shooting lens, which is characterized in that initial video information of a plurality of groups of cameras is set, wherein the plurality of groups of cameras are equidistantly arranged around the edge of a court, and the initial video information is the video information shot by the plurality of groups of cameras under an initial focal length and the initial area ratio of a football; acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information; screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information; and switching to the target motion video information display. The application also provides a switching system of the football shooting lens, computer equipment and a readable storage medium thereof. The video information that acquires when realizing switching football motion intelligently is applied to this application.
Description
Technical Field
The present application relates to the field of soccer technology, and in particular, to a method and system for switching a soccer shooting lens, a computer device, and a storage medium.
Background
In the court, because the court is great, football motion wide range, usually when the shooting to the football picture, can be equipped with a plurality of cameras, and the scope that the display screen demonstrates is limited, so generally need select the picture of best position camera shooting and show, and among the prior art, often for manual operation to the screening of best picture, and the personnel of operation need be very familiar with the distribution of camera in the court, switching operation is skilled can accomplish synchronous camera lens when tracing the football and switch over for the camera lens in the court switches over the degree of difficulty great.
Disclosure of Invention
An object of the embodiments of the present application is to provide a method, a system, a computer device, and a storage medium for switching a football shooting lens, so as to replace manual lens switching in the prior art, and solve the technical problem of a difficult lens switching in a court.
In order to solve the above technical problem, an embodiment of the present application provides a method for switching a soccer shooting lens, which adopts the following technical scheme: the method comprises the following steps:
setting initial video information of a plurality of groups of cameras, wherein the plurality of groups of cameras are arranged around the edge of a court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of a football;
acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information;
screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information;
and switching to the target motion video information display.
In order to solve the above technical problem, an embodiment of the present application further provides a system for switching a soccer shooting lens, where the system includes:
the device comprises a setting module, a shooting module and a control module, wherein the setting module is used for setting initial video information of a plurality of groups of cameras, the plurality of groups of cameras are arranged around the edge of a court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under an initial focal length and the initial area ratio of a football;
the acquisition module is used for acquiring the motion video information of football shot by the multiple groups of cameras and identifying the football motion area ratio in the motion video information;
the screening module screens the football motion area ratio in the motion video information which is larger than the initial football area ratio in the initial video information as target motion video information;
and the switching display module is used for switching to the target motion video information display.
In order to solve the above technical problem, an embodiment of the present application further provides a computer device, which adopts the following technical solutions: the method comprises a memory and a processor, wherein computer readable instructions are stored in the memory, and the processor executes the computer readable instructions to realize the steps of the switching method of the football shooting lens.
In order to solve the above technical problem, an embodiment of the present application further provides a computer-readable storage medium, which adopts the following technical solutions: the computer readable storage medium has stored thereon computer readable instructions which, when executed by a processor, implement the steps of the switching method of a soccer shooting lens as described above.
Compared with the prior art, the initial video information of a plurality of groups of cameras is set, wherein the plurality of groups of cameras are arranged around the edge of the court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of the football; acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information; screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information; and switching to the target motion video information display. The video information that obtains when having realized switching the football intelligently for the picture that shows in the display screen watches the football video for the best, reduces the demonstration video degree of difficulty that switches the football, increases the reliability of best video screening.
Drawings
In order to more clearly illustrate the solution of the present application, a brief description will be given below of the drawings required for describing the embodiments of the present application, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without inventive effort.
FIG. 1 is an exemplary system architecture diagram to which the present application may be applied;
FIG. 2 is a flow diagram of one embodiment of a method for switching footage of a soccer shot;
FIG. 3 is a schematic diagram of the structure of one embodiment of a switching system for a soccer shot;
FIG. 4 is a schematic block diagram of one embodiment of a computer device according to the present application.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1, the system architecture 100 may include terminal devices 101, 102, 103, a network 104, and a server 105. Network 104 is the medium used to provide communication links between terminal devices 101, 102, 103 and server 105. Network 104 may include various connection types, such as wired, wireless communication links, or fiber optic cables, to name a few.
A user may use terminal devices 101, 102, 103 to interact with a server 105 over a network 104 to receive or send messages or the like. The terminal devices 101, 102, 103 may have various communication client applications installed thereon, such as a web browser application, a shopping application, a search application, an instant messaging tool, a mailbox client, social platform software, and the like.
The terminal devices 101, 102, 103 may be various electronic devices having a display screen and supporting web browsing, including but not limited to smart phones, tablet computers, e-book readers, MP3 players (Moving Picture experts Group Audio Layer III, mpeg compression standard Audio Layer 3), MP4 players (Moving Picture experts Group Audio Layer IV, mpeg compression standard Audio Layer 4), laptop portable computers, desktop computers, and the like.
The server 105 may be a server providing various services, such as a background server providing support for pages displayed on the terminal devices 101, 102, 103.
It should be noted that the switching method of the soccer shooting lens provided in the embodiments of the present application is generally executed by a server, and accordingly, the switching system of the soccer shooting lens is generally disposed in the server.
It should be understood that the number of terminal devices, networks, and servers in fig. 1 is merely illustrative. There may be any number of terminal devices, networks, and servers, as desired for implementation.
With continued reference to fig. 2, fig. 2 shows a flowchart of an embodiment of a switching method of a soccer shot according to the present application. The switching method of the football shooting lens comprises the following steps:
step S201: setting initial video information of a plurality of groups of cameras, wherein the plurality of groups of cameras are arranged around the edge of a court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of a football;
the initial state of the camera is initial video information shot by an initial focal length at the initial position of the camera, and the ratio of the maximum picture obtained by the football in the initial video information to the total video picture is the football initial area ratio so as to facilitate the subsequent comparison of the football video information, wherein the initial position and the initial focal length are set manually, and the football initial area ratio is the ratio of the football initial area in the total video range in the video information shot by the camera at the initial focal length.
Step S202: acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information;
in this embodiment, a plurality of sets of cameras are arranged around the edge of the court at equal intervals, the video information shot by the plurality of sets of cameras at respective initial focal lengths is combined to form complete three-dimensional video information covering the court, the video information of different angles in the court is shot by the plurality of sets of cameras, wherein each camera is set with a fixed moving range, the video image shot by each camera is overlapped with the boundary of the video information shot by two adjacent cameras in the moving range, and on the premise, the football moving image is extracted from the obtained moving video information, and the ratio of the area of the football moving image to the total image range is calculated.
Step S203: screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information;
when the football area ratio in the sports video information is larger than the football initial area ratio in the initial video information, the fact that the football is moving to the shooting range of the camera shooting the video information is indicated, namely the target camera, and the fact that the football moves towards the direction of the target camera is judged, and then the video information acquired by the target camera is used as the target sports video information to conduct switching.
Step S204: and switching to the target motion video information display. When a plurality of screened target motion video information exist, the display mode of the plurality of target motion video information is parallel display or rolling display during display.
After step S204, the method further comprises the steps of: determining the target position of a target football in target motion video information; moving the current shooting center of the target motion video information to a target position, and setting a target football as a focus; adjusting the focal length value to an optimal focal length, wherein the optimal focal length is the optimal focal length required by shooting of the camera under the optimal area proportion of the football of the target, and the optimal focal length is larger than the initial focal length; and acquiring and displaying the best motion video information shot after the focal length is adjusted.
The step of moving the current shooting center of the target motion video information to the target position and setting the target football as the focus comprises the following steps: determining the three-dimensional distance between the target position and the current shooting center; setting adjustment parameters of a roll shaft, a course shaft and a pitch shaft of a target camera corresponding to target motion video information through the three-dimensional distance; adjusting the current shooting center of the target camera to move to a target position according to the adjustment parameters of the roll axis, the course axis and the pitch axis of the target camera; the target soccer ball is set as a focus.
After the step of obtaining and displaying the best motion video information shot after the focal length is adjusted, the method further comprises the following steps: when the optimal football area occupation ratio in the optimal motion video information is detected to be gradually reduced; comparing the football optimal area ratio in the gradually reduced optimal motion video information with the football initial area ratio; when the optimal football area ratio in the gradually reduced optimal sports video information is larger than the initial football area ratio, detecting that the gradually increased football area ratio exists in the multiple groups of sports video information, namely setting the gradually increased sports video information as new sports video information, and continuously paying attention to the newly increased football area ratio in the newly increased sports video information; and when the optimal football area ratio in the gradually reduced optimal sports video information is equal to or smaller than the initial football area ratio, executing the step of screening that the football area ratio in the sports video information is larger than the initial football area ratio in the initial video information as the target sports video information.
After the step of obtaining and displaying the best motion video information shot after the focal length is adjusted, the method further comprises the following steps: when the optimal football area ratio in the optimal motion video information is detected to be gradually increased; adjusting the focal length value of the optimal focal length to a variable focal length, wherein the variable focal length sets the reduction rate of the focal length value according to the increase rate of the optimal football area ratio in the optimal motion video information; and acquiring and displaying the change motion video information shot after focusing according to the change focal length.
After the step of obtaining and displaying the best motion video information shot after the focal length is adjusted, the method further comprises the steps of: when the optimal football area ratio in the optimal motion video information is detected to be gradually increased; adjusting the current shooting position of the best camera in the best motion video information; and acquiring and displaying the stage motion video information in the optimal camera position change. The best video collection is conveniently obtained.
Wherein the step of adjusting the current shooting position of the best camera in the best motion video information comprises: identifying an entry point and an entry angle of a target football in the sports video information; predicting a preset moving track of the target football on the court through the boundary point and the boundary angle; and adjusting the current shooting position of the optimal camera in the optimal motion video information according to the preset moving track of the target football. For example, when the entry point is at the upper left in the sports video information and the entry angle is 30 degrees from the horizontal direction, the preset moving track of the target football on the court is predicted to move downwards from the upper left by 30 degrees, the optimal camera is adjusted to move rightwards, the moving speed is equal to the football moving speed, the pitch axis of the stabilizer which also bears the optimal camera rolls downwards from the entry point from the incident point, and the roll axis is adjusted to the left by 30 degrees so as to achieve the optimal shooting angle of the optimal camera.
In the embodiment, initial video information of a plurality of groups of cameras is set, wherein the plurality of groups of cameras are arranged around the edge of the court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of the football; acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information; screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information; and switching to target motion video information display. The video information that obtains when having realized switching the football intelligently for the picture that shows in the display screen watches the football video for the best, reduces the demonstration video degree of difficulty that switches the football, increases the reliability of best video screening.
It is emphasized that, in order to further ensure the privacy and security of the football video information, the football video information may also be stored in a node of a block chain.
The block chain referred by the application is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism, an encryption algorithm and the like. A block chain (Blockchain), which is essentially a decentralized database, is a series of data blocks associated by using a cryptographic method, and each data block contains information of a batch of network transactions, so as to verify the validity (anti-counterfeiting) of the information and generate a next block. The blockchain may include a blockchain underlying platform, a platform product service layer, an application service layer, and the like.
The embodiment of the application can acquire and process related data based on an artificial intelligence technology. Among them, artificial Intelligence (AI) is a theory, method, technique and application system that simulates, extends and expands human Intelligence using a digital computer or a machine controlled by a digital computer, senses the environment, acquires knowledge and uses the knowledge to obtain the best result.
The artificial intelligence base technologies generally include technologies such as sensors, dedicated artificial intelligence chips, cloud computing, distributed storage, big data processing technologies, operation/interaction systems, mechatronics, and the like. The artificial intelligence software technology mainly comprises a computer vision technology, a robot technology, a biological recognition technology, a voice processing technology, a natural language processing technology, machine learning/deep learning and the like.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by hardware that is configured to be instructed by computer-readable instructions, which can be stored in a computer-readable storage medium, and when executed, the programs may include the processes of the embodiments of the methods described above. The storage medium may be a non-volatile storage medium such as a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a Random Access Memory (RAM).
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
With further reference to fig. 4, as an implementation of the method shown in fig. 4, the present application provides an embodiment of a system for switching a soccer shooting lens, where the system embodiment corresponds to the method embodiment shown in fig. 4.
As shown in fig. 3, the switching system 300 for a soccer shooting lens according to this embodiment includes: a setting module 301, an obtaining module 302, a screening module 303, and a switching display module 304, wherein:
the setting module 301 sets initial video information of a plurality of groups of cameras, wherein the plurality of groups of cameras are arranged around the edge of the court at equal intervals, and the initial video information is video information shot by the plurality of groups of cameras at an initial focal length and the initial area ratio of the football;
the acquisition module 302 is used for acquiring the motion video information of football shot by a plurality of groups of cameras and identifying the football area ratio in the motion video information;
the screening module 303 screens that the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information as the target motion video information;
and the switching display module 304 switches to the target motion video information display.
In the embodiment, initial video information of a plurality of groups of cameras is set, wherein the plurality of groups of cameras are arranged around the edge of the court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of the football; acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information; screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information; and switching to the target motion video information display. The video information that obtains when having realized switching the football intelligently for the picture that shows in the display screen watches the football video for the best, reduces the demonstration video degree of difficulty that switches the football, increases the reliability of best video screening.
In some optional implementations of the present embodiment, the system 300 for switching a soccer shooting lens further includes:
the determining module is used for determining the target position of the target football in the target motion video information;
the focusing module moves the current shooting center of the target motion video information to a target position and sets a target football as a focus;
the focusing module is used for adjusting the focal length value to the optimal focal length, wherein the optimal focal length is the optimal focal length required by shooting of the camera under the optimal area proportion of the football of the target, and the optimal focal length is larger than the initial focal length;
and acquiring a first sub-module, acquiring and displaying the best motion video information shot after the focal length is adjusted.
In some optional implementations of the present embodiment, the system 300 for switching a soccer shooting lens further includes:
the comparison module is used for comparing the optimal football area ratio in the optimal sports video information with the initial football area ratio in the optimal sports video information which is gradually reduced when the optimal football area ratio in the optimal sports video information is detected to be gradually reduced; when the optimal football area ratio in the gradually reduced optimal sports video information is larger than the initial football area ratio, detecting that the gradually increased football area ratio exists in the multiple groups of sports video information, namely setting the gradually increased football area ratio as newly increased sports video information, and continuously paying attention to the newly increased football area ratio in the newly increased sports video information; and when the optimal football area ratio in the gradually reduced optimal sports video information is equal to or smaller than the initial football area ratio, executing the step of screening that the football area ratio in the sports video information is larger than the initial football area ratio in the initial video information as the target sports video information.
In some optional implementations of the present embodiment, the system 300 for switching a soccer shooting lens further includes:
the focal length adjusting range determining module is used for adjusting the focal length value of the optimal focal length to a variable focal length when the optimal football area ratio in the optimal motion video information is detected to be gradually increased, wherein the variable focal length is used for setting the reduction rate of the focal length value according to the increase rate of the optimal football area ratio in the optimal motion video information;
and the second submodule is used for acquiring and displaying the change motion video information shot after focusing according to the change focal length.
In some optional implementations of the present embodiment, the system 300 for switching a soccer shooting lens further includes:
the position adjusting module is used for adjusting the current shooting position of the best camera in the best motion video information when the best football area ratio in the best motion video information is detected to be gradually increased;
and acquiring a third sub-module, and acquiring and displaying stage motion video information in the optimal camera position change.
In some optional implementations of this embodiment, the adjusting the position module includes:
the identification unit is used for identifying the boundary point and the boundary angle of the target football in the sports video information;
the prediction unit predicts a preset moving track of the target football on the football field through the boundary point and the boundary angle;
and the position adjusting unit is used for adjusting the current shooting position of the best camera in the best motion video information according to the preset moving track of the target football.
In some optional implementations of this embodiment, the focusing module includes:
the determining unit is used for determining the three-dimensional distance between the target position and the current shooting center;
the three-dimensional adjusting unit is used for setting adjusting parameters of a rolling shaft, a course shaft and a pitching shaft of the target camera corresponding to the target motion video information through the three-dimensional distance;
the moving unit is used for adjusting the current shooting center of the target camera to move to a target position according to the adjustment parameters of the roll axis, the course axis and the pitch axis of the target camera;
a focus setting unit for setting the target soccer ball as a focus.
In order to solve the technical problem, an embodiment of the present application further provides a computer device. Referring to fig. 4, fig. 4 is a block diagram of a basic structure of a computer device according to the present embodiment.
The computer device 4 comprises a memory 41, a processor 42, a network interface 43 communicatively connected to each other via a system bus. It is noted that only computer device 4 having components 41-43 is shown in FIG. 4, but it is understood that not all of the shown components are required to be implemented, and that more or fewer components may alternatively be implemented. As will be understood by those skilled in the art, the computer device is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and the hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The computer device can be a desktop computer, a notebook, a palm computer, a cloud server and other computing devices. The computer equipment can carry out man-machine interaction with a user in a keyboard mode, a mouse mode, a remote controller mode, a touch panel mode or a voice control equipment mode.
The memory 41 includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, the memory 41 may be an internal storage unit of the computer device 4, such as a hard disk or a memory of the computer device 6. In other embodiments, the memory 41 may also be an external storage device of the computer device 6, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, provided on the computer device 4. Of course, the memory 41 may also include both internal and external storage devices of the computer device 4. In this embodiment, the memory 41 is generally used for storing an operating system installed in the computer device 4 and various types of application software, such as computer readable instructions of a switching method of a soccer shooting lens. The memory 41 may also be used for temporarily storing various types of data that have been output or are to be output.
The processor 42 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. The processor 42 is typically used to control the overall operation of the computer device 4. In this embodiment, the processor 42 is configured to execute computer readable instructions or processing data stored in the memory 41, for example, computer readable instructions for executing the switching method of the soccer shooting lens.
The network interface 43 may comprise a wireless network interface or a wired network interface, and the network interface 43 is generally used for establishing communication connection between the computer device 4 and other electronic devices.
In the embodiment, initial video information of a plurality of groups of cameras is set, wherein the plurality of groups of cameras are arranged around the edge of the court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of the football; acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information; screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information; and switching to the target motion video information display. The video information that obtains when having realized switching the football intelligently for the picture that shows in the display screen watches the football video for the best, reduces the demonstration video degree of difficulty that switches the football, increases the reliability of best video screening.
The present application further provides another embodiment, which is to provide a computer-readable storage medium, wherein the computer-readable storage medium stores computer-readable instructions, which can be executed by at least one processor, so as to cause the at least one processor to execute the steps of the switching method of the soccer shooting lens as described above.
In the embodiment, initial video information of a plurality of groups of cameras is set, wherein the plurality of groups of cameras are arranged around the edge of the court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of the football; acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information; screening out the target motion video information which is obtained by screening out the object motion video information when the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information; and switching to target motion video information display. The video information that obtains when having realized switching the football motion artificial intelligence for the picture that shows in the display screen watches the football motion video for the best, reduces the demonstration video degree of difficulty that switches the football motion, increases the reliability of best video screening.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (8)
1. A method for switching a soccer shooting lens, the method comprising the steps of:
setting initial video information of a plurality of groups of cameras, wherein the plurality of groups of cameras are arranged around the edge of a court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under the initial focal length and the initial area ratio of a football;
acquiring motion video information of football shot by a plurality of groups of cameras, and identifying the football motion area ratio in the motion video information;
screening out the target motion video information which is obtained by the step that the football motion area ratio in the motion video information is larger than the football initial area ratio in the initial video information;
switching to target motion video information display;
determining the target position of a target football in target motion video information;
moving the current shooting center of the target motion video information to a target position, and setting a target football as a focus;
adjusting the focal length value to an optimal focal length, wherein the optimal focal length is the optimal focal length required by shooting of the camera under the optimal area proportion of the football of the target, and the optimal focal length is larger than the initial focal length;
acquiring and displaying the best motion video information shot after the focal length is adjusted;
when the optimal football area occupation ratio in the optimal motion video information is detected to be gradually reduced;
comparing the optimal football area ratio in the gradually reduced optimal sports video information with the initial football area ratio;
when the optimal football area ratio in the gradually reduced optimal sports video information is larger than the initial football area ratio, detecting that the gradually increased football area ratio exists in the multiple groups of sports video information, namely setting the gradually increased football area ratio as newly increased sports video information, and continuously paying attention to the newly increased football area ratio in the newly increased sports video information;
and when the optimal football area ratio in the gradually reduced optimal sports video information is equal to or smaller than the initial football area ratio, executing the step of screening that the football area ratio in the sports video information is larger than the initial football area ratio in the initial video information as the target sports video information.
2. The method for switching the footage of soccer shooting according to claim 1, wherein said step of obtaining and displaying the focused optimal motion video information is followed by the step of:
when the optimal football area ratio in the optimal motion video information is detected to be gradually increased;
adjusting the focal length value of the optimal focal length to a variable focal length, wherein the variable focal length sets the reduction rate of the focal length value according to the increase rate of the optimal football area ratio in the optimal motion video information;
and acquiring and displaying the change motion video information shot after focusing according to the change focal length.
3. The method for switching the soccer shooting lens of claim 1, wherein the step of obtaining and displaying the best sports video information shot after adjusting the focal length is followed by the step of:
when the optimal football area ratio in the optimal motion video information is detected to be gradually increased;
adjusting the current shooting position of the best camera in the best motion video information;
and acquiring and displaying the stage motion video information in the optimal camera position change.
4. The method for switching a soccer shooting lens according to claim 3, wherein said step of adjusting the current shooting position of the best camera in the best sports video information comprises:
identifying an entry point and an entry angle of a target football in the motion video information;
predicting a preset moving track of the target football on the court through the boundary point and the boundary angle;
and adjusting the current shooting position of the optimal camera in the optimal motion video information according to the preset moving track of the target football.
5. The method for switching a soccer shooting lens according to claim 1, wherein said step of moving a current shooting center of the target moving video information to a target position and setting the target soccer ball as a focus comprises:
determining the three-dimensional distance between the target position and the current shooting center;
setting adjustment parameters of a roll shaft, a course shaft and a pitch shaft of a target camera corresponding to target motion video information through the three-dimensional distance;
adjusting the current shooting center of the target camera to move to a target position according to the adjustment parameters of the roll axis, the course axis and the pitch axis of the target camera;
the target soccer ball is set as the focus.
6. A system for switching a soccer shot, the system comprising:
the device comprises a setting module, a shooting module and a control module, wherein the setting module is used for setting initial video information of a plurality of groups of cameras, the plurality of groups of cameras are arranged around the edge of a court at equal intervals, and the initial video information is the video information shot by the plurality of groups of cameras under an initial focal length and the initial area ratio of a football;
the acquisition module is used for acquiring the motion video information of football shot by the multiple groups of cameras and identifying the football motion area ratio in the motion video information;
the screening module screens the football motion area ratio in the motion video information which is larger than the initial football area ratio in the initial video information as target motion video information;
the switching display module is used for switching to the target motion video information display; determining the target position of a target football in target motion video information; moving the current shooting center of the target motion video information to a target position, and setting a target football as a focus; adjusting the focal length value to an optimal focal length, wherein the optimal focal length is the optimal focal length required by shooting of the camera under the optimal area proportion of the football of the target, and the optimal focal length is larger than the initial focal length; acquiring and displaying the best motion video information shot after the focal length is adjusted; when the optimal football area occupation ratio in the optimal motion video information is gradually reduced; comparing the optimal football area ratio in the gradually reduced optimal sports video information with the initial football area ratio; when the optimal football area ratio in the gradually reduced optimal sports video information is larger than the initial football area ratio, detecting that the gradually increased football area ratio exists in the multiple groups of sports video information, namely setting the gradually increased football area ratio as newly increased sports video information, and continuously paying attention to the newly increased football area ratio in the newly increased sports video information; and when the optimal football area ratio in the gradually reduced optimal sports video information is equal to or smaller than the initial football area ratio, executing the step of screening that the football area ratio in the sports video information is larger than the initial football area ratio in the initial video information as the target sports video information.
7. A computer device comprising a memory having computer readable instructions stored therein and a processor that when executed implements the steps of the method for switching a soccer shooting lens according to any one of claims 1 to 5.
8. A computer-readable storage medium, wherein computer-readable instructions are stored thereon, and when executed by a processor, the computer-readable instructions implement the steps of the switching method of the football shooting lens according to any one of claims 1 to 5.
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| CN202210549308.6A CN114928721B (en) | 2022-05-20 | 2022-05-20 | Switching method and system of football shooting lens, computer equipment and storage medium |
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| CN202210549308.6A CN114928721B (en) | 2022-05-20 | 2022-05-20 | Switching method and system of football shooting lens, computer equipment and storage medium |
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| DE102004034663A1 (en) * | 2004-07-17 | 2006-02-09 | Siemens Ag | Follow camera control |
| NO20161098A1 (en) * | 2016-07-01 | 2018-01-02 | Teameye As | Camera system for filming sports venues |
| CN106488127B (en) * | 2016-11-02 | 2019-12-06 | 深圳锐取信息技术股份有限公司 | Camera switching control method and device based on football detection and tracking |
| JP7246146B2 (en) * | 2018-08-28 | 2023-03-27 | 株式会社Ｎｔｔドコモ | Information processing device and video projection system |
| CN112887602A (en) * | 2021-01-26 | 2021-06-01 | Oppo广东移动通信有限公司 | Camera switching method and device, storage medium and electronic equipment |
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