CN115239795B - Archery target ring hit position ring recording detection method, detection device and electronic equipment - Google Patents
Archery target ring hit position ring recording detection method, detection device and electronic equipment Download PDFInfo
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Abstract
The invention relates to the technical field of computer vision, in particular to a method and a device for detecting a hit position ring of an archery target ring and electronic equipment. The method comprises the steps of collecting image data of an arrow target effective area in a target range and position information corresponding to an arrow target; preprocessing image data to obtain image blocks of each arrow target and form an image block data set, and arranging according to the position information of the arrow targets to obtain an archery target ring reference sequence; identifying arrow target position coordinates, target patterns and mass center coordinates of the target region center of each image block in the archery target ring reference image sequence; the shooting image of the archery target ring is obtained in real time, the shooting image is compared with the corresponding archery target ring reference picture sequence according to the position information of the archery target, the coordinate parameters of the current target ring distribution target ring position are determined according to the compared archery target position nodes, the target ring distribution is determined according to the numerical value of the distance centroid coordinate, the target ring value is obtained and recorded, and the target-in-target position and the state of the archery target are accurately judged.
Description
Technical Field
The invention relates to the technical field of computer vision, in particular to a method and a device for detecting a hit position ring of an archery target ring and electronic equipment.
Background
Archery, archery (Archery), refers to the sport of playing games at a certain distance with the aid of the elasticity of the bow, and is also called Archery. Moreover, with the improvement of living standard of people, archery sports gradually become a recreational and sports event. Archery is generally divided into two categories, mainly including distance shooting games and shooting games, with shooting games being the most common.
Wherein, the win or lose of the shooting game is calculated by the number of rings of the target shot by the athletes, and the closer the arrow hitting the target is to the center, the higher the number of the obtained rings is. The common photoelectric automatic target scoring technology in the existing automatic positioning and identifying target scoring method is complex and expensive, and is not suitable for archery leisure and entertainment activities; the electromagnetic wave automatic target-reporting has high requirement on the environment, is easy to interfere and is not easy to popularize; although the target scoring of the ultrasonic sensor has the advantages of high precision and no influence of weather factors, the target scoring is easy to interfere, the price and the cost are very high, and the target scoring is not easy to popularize, so that a target scoring method capable of automatically positioning and identifying the archery target ring is absent at present.
Disclosure of Invention
In order to solve the problem that target scoring capable of automatically positioning and identifying an archery target ring is lacked at present, the invention provides a method, a device and an electronic device for detecting the target scoring of the hit position of the archery target ring, so as to solve the problem of automatically positioning and identifying the archery target ring.
In order to achieve the above purpose, the embodiment of the present invention provides the following technical solutions:
in a first aspect, in an embodiment provided by the present invention, a method for detecting a target ring hit position of an archery target is provided, which includes the following steps:
acquiring image data of at least one arrow target effective area in a target range and position information corresponding to the arrow targets;
preprocessing the acquired image data of the arrow target effective area to acquire an image block of each arrow target and form an image block data set, and arranging according to the position information of the arrow targets to acquire an archery target ring reference sequence;
identifying arrow target position coordinates, target patterns and center-of-mass coordinates of the center of a target area of each image block in the arrow target ring reference image sequence;
the method comprises the steps of acquiring a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image of the archery target ring with a corresponding archery target ring reference picture sequence according to the position information of the archery target, determining current target ring distribution target ring position coordinate parameters according to arrow target position nodes in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to values of the distance between the current target ring distribution target ring position coordinate parameters and mass center coordinates, and obtaining and recording target ring scores.
As a further scheme of the present invention, an image of an arrow target area in the target range is acquired based on at least one group of digital CCD cameras, image data of at least one arrow target effective area in the target range is acquired, the acquisition area of the digital CCD cameras covers the arrow target effective area in the target range, the digital CCD cameras convert the level of the CL interface of the digital CCD cameras into TTL level through a connected digital video CL interface conversion unit, and a digital image preprocessing unit is used to perform digital image preprocessing.
As a further aspect of the present invention, the preprocessing of the acquired image data of the arrow target effective area includes:
acquiring image data of at least one collected arrow target effective area, and marking the position information of the arrow target in the image data of the arrow target effective area;
carrying out binarization processing on the image data of the marked arrow target effective area;
and (3) binarizing the arrow target position coordinates, the target pattern and the centroid coordinates of the target region center in the image data.
As a further aspect of the present invention, the preprocessing the acquired image data of the arrow target effective area further includes:
segmenting the binary image based on the arrow target position coordinates, the target pattern and the center-of-mass coordinates of the target region center to obtain an image block data set;
and arranging each image block in the image block data set according to the position coordinate information of the target ring to obtain an archery target ring reference sequence.
As a further aspect of the present invention, the method for detecting a hit position of an archery target ring includes: the method comprises the steps of obtaining a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image with a corresponding archery target ring reference picture sequence according to the archery target information, determining a current target ring distribution target ring position coordinate parameter according to an arrow target position node in the compared shot image of the archery target ring, determining target ring distribution according to a numerical value of the current target ring distribution target ring position coordinate parameter from a centroid coordinate, and obtaining and recording a target ring value.
As a further aspect of the present invention, the method for detecting a hit position of an archery target ring includes:
acquiring current target ring distribution target ring position coordinate parameters of each acquired arrow target position node in real time, and calculating the coordinate values of the target ring distribution target ring position coordinate parameters among different arrow target position nodes;
judging whether the coordinate value of the coordinate parameter of the target ring distribution target ring position is in a preset distance threshold range, if so, dividing the number of target rings of the targets in the arrow targets, and if the preset distance threshold range is exceeded, re-dividing the arrow position nodes to the number of adjacent target rings;
recording all divided arrow position nodes, calculating the mean value of the current target ring distribution target ring position coordinate parameters, calculating the difference value between the current target ring distribution target ring position coordinate parameters of the arrow position nodes and the mean value, and taking the calculated difference value as the reference value of the hit rate.
As a further aspect of the present invention, the method for detecting a hit position of an archery target ring includes: and calculating the accumulated sum of the coordinate parameters of the current target ring distribution target ring position as the total ring number of the hit target rate.
As a further scheme of the invention, the detection of the current target ring distribution target ring position coordinate parameters comprises sensors which are arranged at each arrow target installation node and are used for detecting arrow illuminance, temperature and/or humidity, and the collected current target ring distribution target ring position coordinate parameters of each arrow target installation node are obtained in real time; and the target ring position coordinate parameter subsets are divided into different target ring distribution target ring position coordinate parameter subsets according to different types of the sensors.
As a further scheme of the invention, the method for detecting the target ring hit position of the archery target further comprises the steps of storing collected historical target ring distribution target ring position coordinate parameters and historical shooting parameters of each archery target, and establishing a historical target ring distribution target ring position coordinate parameter sample library and a historical shooting parameter sample library of each archery target after recording hit target ring data; and calculating the mean value of the position coordinates of the target ring distribution target ring and the mean value of the shooting parameters of the target ring distribution target ring detection of each arrow target hitting target ring.
As a further scheme of the invention, all divided arrow position nodes are recorded, the mean value of the current target ring distribution target ring position coordinate parameters is calculated, the difference value between the current target ring distribution target ring position coordinate parameters of the arrow position nodes and the mean value of the target ring distribution target ring position coordinate parameters is calculated, and the calculated difference value is used as the reference value of the hit rate.
In a second aspect, in an embodiment provided by the present invention, a method for detecting a target ring hit position of an archery target is provided, which includes the following steps:
acquiring the shot parameters of the target-in-target position and the state of each arrow target position node in real time, and configuring module parameters for a digital CCD camera for shooting and collecting;
acquiring a shot image of an archery target ring of an archery in a target range in real time based on the digital CCD camera, and acquiring the image;
preprocessing the acquired image, identifying effective information of an archery target position coordinate, a target pattern and a mass center coordinate of a target area center, and identifying the target area center;
and determining the position coordinate parameters of the current target ring distribution target ring according to the arrow target position nodes in the shot image of the archery target ring obtained by comparison based on the target data in the image and the archery target ring reference picture sequence, determining the target ring distribution according to the numerical values of the current target ring distribution target ring position coordinate parameters and the centroid coordinate, obtaining and recording the target ring score, and outputting the target coordinate of the target in the target.
In a third aspect, in another embodiment provided by the present invention, an archery target ring hit position ring detection device is provided, where the archery target ring hit position ring detection device detects an archery target ring hit by using the archery target ring hit position ring detection method and detects hit report; the archery target ring hit position recording detection device comprises:
the acquisition module is used for acquiring image data of at least one arrow target effective area in a target range and position information corresponding to the arrow target;
the image target ring processing module is used for preprocessing the acquired image data of the arrow target effective area, acquiring an image block of each arrow target, forming an image block data set, and arranging according to the position information of the arrow targets to obtain an archery target ring reference sequence;
the target identification module is used for identifying the arrow target position coordinate, the target pattern and the center-of-mass coordinate of the center of the target area of each image block in the reference image sequence of the archery target ring;
the target ring processing module is used for acquiring a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image of the archery target ring with a corresponding archery target ring reference sequence according to the position information of the archery target, determining a current target ring distribution target ring position coordinate parameter according to an arrow target position node in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to a numerical value of the current target ring distribution target ring position coordinate parameter and a centroid coordinate, and obtaining and recording a target ring score.
In a fourth aspect, in yet another embodiment provided by the present invention, an electronic device is provided, which includes a memory and a processor, the memory stores a computer program, and the processor realizes the steps of the archery target ring hit position looper detection method when loading and executing the computer program.
In a fifth aspect, in a further embodiment provided by the present invention, a storage medium is provided, which stores a computer program that is loaded by a processor and that when executed implements the steps of the archery target ring hit position looper detection method.
The technical scheme provided by the invention has the following beneficial effects:
the method, the device and the electronic equipment for recording the hit position of the archery target ring reduce the complexity of manually reading the target by the target ring, and facilitate real-time reading of the target ring information of archery on the target in a target range area. In the detection process, the current target ring distribution target ring position coordinate parameters are determined according to the arrow target position nodes in the shot images of the archery target rings obtained through comparison, the target ring distribution is determined according to the numerical value of the distance between the current target ring distribution target ring position coordinate parameters and the mass center coordinate, the target ring value is obtained and recorded, the target ring value is calculated accurately, the storage effect of the field images is achieved, only a small amount of data needs to be cached, the interference targets are dynamically cleaned in the detection process, and the memory occupation is further reduced. Interference is eliminated through various condition thresholds in the detection process, the background interference resistance is high, the accurate detection of the number of hit target ring loops is realized, the truth and the reliability of hit target ring data are ensured, the target-in-target position and the state of the arrow target are accurately judged, and the detection of the arrow target at the first time when the hit target ring occurs is ensured to report the target.
These and other aspects of the invention are apparent from and will be elucidated with reference to the embodiments described hereinafter. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention. In the drawings:
fig. 1 is a flowchart of a method for detecting a target ring hit position record of an archery according to an embodiment of the present invention.
Fig. 2 is a flowchart of image preprocessing in an archery target ring hit position cycle detection method according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a circular target pattern in an archery target ring hit position cycle detection method according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a cross-shaped target pattern in a method for detecting a hit position of an archery target ring according to an embodiment of the present invention.
FIG. 5 is a flowchart illustrating a method for detecting a target ring hit position of an archery target according to another embodiment of the present invention.
Fig. 6 is a schematic working diagram of output target coordinates in the archery target ring hit position record detection method according to the embodiment of the present invention.
Fig. 7 is a flowchart of outputting target coordinates in an archery target ring hit position record detection method according to an embodiment of the present invention.
Fig. 8 is a system block diagram of a device for detecting a hit position record of an archery target ring according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, with the order of the operations being indicated as 101, 102, etc. merely to distinguish between the various operations, and the order of the operations by themselves does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.
The technical solutions in the exemplary embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the exemplary embodiments of the present invention, and it is apparent that the described exemplary embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
The common photoelectric automatic target scoring technology in the existing automatic positioning and identifying target scoring method is complex and expensive, and is not suitable for archery leisure and entertainment activities; the electromagnetic wave automatic target-reporting has high requirement on the environment, is easy to interfere and is not easy to popularize; although the ultrasonic sensor target reporting has the advantages of high precision and no influence of weather factors, the ultrasonic sensor target reporting is easy to interfere, has high price and cost, is not easy to popularize, and therefore, the conventional target reporting method capable of automatically positioning and identifying the archery target ring is lacked.
In order to solve the problem that target scoring capable of automatically positioning and identifying an archery target ring is lacked at present, the invention provides a method, a device and an electronic device for detecting the target scoring of the hit position of the archery target ring, so as to solve the problem of automatically positioning and identifying the archery target ring.
Specifically, the embodiments of the present application will be further explained below with reference to the drawings.
Referring to fig. 1, an embodiment of the present invention provides a method for detecting a target ring hit position of an archery target, where the method specifically includes the following steps:
s1, acquiring image data of at least one arrow target effective area in a target range and position information corresponding to the arrow target;
s2, preprocessing the acquired image data of the arrow target effective area to acquire image blocks of each arrow target and form an image block data set, and arranging according to the position information of the arrow targets to acquire an archery target ring reference picture sequence;
s3, identifying the arrow target position coordinate, the target pattern and the center of mass coordinate of the target area center of each image block in the arrow target ring reference image sequence;
s4, acquiring a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image of the archery target ring with a corresponding archery target ring reference picture sequence according to the position information of the archery target, determining a current target ring distribution target ring position coordinate parameter according to an arrow target position node in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to a numerical value of the current target ring distribution target ring position coordinate parameter and a centroid coordinate, and obtaining and recording a target ring score.
In the embodiment, a sensing device arranged at each arrow target position node is used for detecting the current target ring distribution target ring position coordinate parameters of each arrow target, and an archery target ring reference sequence is obtained by processing image data; and comparing the shot images with shot images of the archery target rings obtained in real time, recording the target ring distribution of the target in different archery target positions, and obtaining and recording the target ring values.
In the embodiment of the invention, the image of the arrow target area in the target range is acquired based on at least one group of digital CCD cameras, the image data of at least one arrow target effective area in the target range is acquired, the acquisition area of the digital CCD cameras covers the arrow target effective area in the target range, the digital CCD cameras convert the level of a CL interface of the digital CCD cameras into TTL level through a connected digital video CL interface conversion unit, and the FPGA digital processing unit is used for carrying out digital image preprocessing.
In an embodiment of the present invention, referring to fig. 2, the preprocessing of the acquired image data of the arrow target effective area includes:
s101, acquiring image data of at least one collected arrow target effective area, and marking the position information of the arrow target in the image data of the arrow target effective area;
s102, carrying out binarization processing on the marked image data of the arrow target effective area;
s103, obtaining the position coordinates of the arrow target, the target pattern and the center-of-mass coordinates of the center of the target region in the binary image data.
In an embodiment of the present invention, the preprocessing the acquired image data of the arrow target effective area further includes:
s104, segmenting the binary image based on the arrow target position coordinates, the target style and the center-of-mass coordinates of the target region center to obtain an image block data set;
and S105, arranging each image block in the image block data set according to the position coordinate information of the target ring to obtain an archery target ring reference sequence.
In this embodiment, the detecting of the current target ring distribution target ring position coordinate parameters includes sensors arranged at each arrow target installation node and used for detecting arrow illuminance, temperature and/or humidity, and the current target ring distribution target ring position coordinate parameters of each arrow target node acquired in real time are further divided into different target ring distribution target ring position coordinate parameter subsets according to different types of the sensors and stored.
In embodiments of the invention, the target pattern may be a circular or cross target, as shown in fig. 3 and 4.
In an embodiment of the present invention, the method for detecting a hit position of an archery target ring includes:
the method comprises the steps of obtaining a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image with a corresponding archery target ring reference picture sequence according to the archery target information, determining a current target ring distribution target ring position coordinate parameter according to an arrow target position node in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to a numerical value of the current target ring distribution target ring position coordinate parameter and a centroid coordinate, and obtaining and recording a target ring value.
In the embodiment of the invention, the average value of the residual arrow data is used as reference and is compared with the target ring distribution of the target in different arrow target positions to judge the target ring distribution condition of each arrow position node; and starting the shooting equipment to carry out parameter mechanism adjustment so as to detect the arrow position node, accurately judging the number of the arrow hitting the target ring under the shooting parameter verification, and ensuring that the arrow target is detected and reported at the first time when the arrow target hits the target ring.
In an embodiment of the present invention, referring to fig. 5, the method for detecting a target ring hit position of an archery target further includes:
s10, acquiring current target ring distribution target ring position coordinate parameters of each collected arrow target position node in real time, and calculating the coordinate values of the target ring distribution target ring position coordinate parameters among different arrow target position nodes;
s20, judging whether the coordinate value of the position coordinate parameters of the target ring distributed target rings is within a preset distance threshold range or not, if so, dividing the number of target rings of targets in the arrow targets, and if the distance parameter value exceeds the preset distance threshold range, dividing arrow position nodes to the number of adjacent target rings again;
s30, recording all divided arrow position nodes, calculating the mean value of the current target ring distribution target ring position coordinate parameters, calculating the difference value between the current target ring distribution target ring position coordinate parameters of the arrow position nodes and the mean value, and taking the calculated difference value as the reference value of the hit rate.
In an embodiment of the present invention, the method for detecting a hit position of an archery target ring further includes: and calculating the accumulated sum of the coordinate parameters of the current target ring distribution target ring position as the total ring number of the hit target rate.
In the embodiment of the invention, the detection of the current target ring distribution target ring position coordinate parameters comprises sensors which are arranged at each arrow target installation node and are used for detecting arrow illuminance, temperature and/or humidity, and the collected current target ring distribution target ring position coordinate parameters of each arrow target position node are acquired in real time; and the target ring position coordinate parameter subsets are divided into different target ring distribution target ring position coordinate parameter subsets according to different types of the sensors.
In order to realize accurate measurement under the constraint condition of the position coordinate parameters of the target ring distribution target rings, in the embodiment of the invention, the current position coordinate parameters of the target ring distribution target rings directly acquire at least one internal position coordinate parameter of the temperature, the humidity and the brightness of an arrow vector by adopting a temperature sensor, a humidity sensor and a brightness sensor which are installed at the arrow vector position, and other parameters which can indirectly reflect the parameters of the temperature, the humidity, the brightness and the like of the environment where the arrow target is located through conversion relationship.
In order to improve the accuracy of mean value calculation of the current target ring distribution target ring position coordinate parameters and enable the mean value to be more authoritative, in the embodiment of the invention, the archery target ring hit position looper detection method further comprises the steps of storing collected historical target ring distribution target ring position coordinate parameters and historical shooting parameters of each archery target, and establishing a historical target ring distribution target ring position coordinate parameter sample library and a historical shooting parameter sample library of each archery target after the hit target ring data is recorded; and calculating the mean value of the position coordinates of the target ring distribution target ring and the mean value of the shooting parameters of the target ring distribution target ring detection of each arrow target hitting target ring.
In the embodiment of the invention, all divided arrow position nodes are recorded, the mean value of the current target ring distribution target ring position coordinate parameters is calculated, the difference value between the current target ring distribution target ring position coordinate parameters of the arrow position nodes and the mean value of the target ring distribution target ring position coordinate parameters is calculated, and the calculated difference value is used as the reference value of the hit rate.
More historical target ring distribution target ring position coordinate parameters are used as references, and the calculated average value accuracy is higher. Recording all arrow nodes, calculating the difference value between the current target ring distribution target ring position coordinate parameters of the arrow nodes and the mean value of the target ring distribution target ring position coordinate parameters when calculating the mean value of the current target ring distribution target ring position coordinate parameters of the rest arrow target nodes, and taking the calculated difference value as the reference value of the hit target rate.
When the arrow target ring is detected in the mode, shooting equipment and sensors of position nodes are used for detecting, arrow vectors which are preliminarily judged to be in target ring hitting are verified, shooting parameters are used for checking, misjudgment caused by the fact that the sensors hit the target ring is avoided, accuracy and reliability of arrow target ring hitting detection are improved, accurate detection of the number of the hit target ring rings is achieved, authenticity and reliability of hit target ring data are guaranteed, target position and state of the arrow target are accurately judged, and target scoring of the arrow target at the first time when the arrow target hits the target ring is guaranteed.
Referring to fig. 6 and 7, another embodiment of the present invention further provides a method for detecting target ring hit positions of archery targets, where the method includes a target ring distribution target ring position coordinate parameter and shooting parameter cross detection mechanism to double verify target ring hit information of archery targets, and the method specifically includes the following steps:
s201, acquiring shot target position and state shooting parameters of each arrow target position node in real time, and configuring module parameters for a digital CCD camera for shooting and collecting;
s202, acquiring a shot image of an archery target ring of an archery in a target range in real time based on the digital CCD camera, and acquiring the image;
s203, preprocessing the acquired image, identifying effective information of an archery target ring target position coordinate, a target pattern and a center-of-mass coordinate of a target area center, and identifying the target area center;
s204, based on the target data in the image and the reference sequence of the archery target ring, determining the position coordinate parameters of the current target ring distribution target ring according to the arrow target position nodes in the shot image of the archery target ring, determining the target ring distribution according to the numerical values of the distance between the position coordinate parameters of the current target ring distribution target ring and the centroid coordinate, obtaining and recording the value of the target ring, and outputting the target coordinate of the target in the target.
According to the embodiment of the invention, the complexity of manually reading the target by the target ring is reduced, and the target ring information of archery on the target can be read in real time in the target range area. In the detection process, the current target ring distribution target ring position coordinate parameters are determined according to the arrow target position nodes in the shot images of the archery target rings obtained through comparison, target ring distribution is determined according to the numerical value of the distance between the current target ring distribution target ring position coordinate parameters and the centroid coordinate, the target ring score is obtained and recorded, the target ring score is calculated accurately, the storage effect of the field images is achieved, only a small amount of data needs to be cached, the interference targets are dynamically cleaned in the detection process, and memory occupation is further reduced. Interference is eliminated through various condition thresholds in the detection process, the background interference resistance is high, accurate detection of the target ring hitting reason is achieved, the fact that data of the target ring hitting are real and reliable is guaranteed, the target hitting position and state of the arrow target are accurately judged, and the fact that the arrow target is reported in the first time when the target ring hitting occurs is guaranteed.
It should be understood that although the steps are described above in a certain order, the steps are not necessarily performed in the order described. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, some steps of this embodiment may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a part of the steps or stages in other steps.
Referring to fig. 4, in an embodiment of the present invention, an archery target ring hit position ring detection device is further provided, and the archery target ring hit position ring detection device detects an archery target ring hit and detects a hit report by using the above archery target ring hit position ring detection method, and includes an acquisition module 301, an image target ring processing module 302, a target identification module 303, and a target ring processing module 304.
The acquisition module 301 is configured to acquire image data of an effective area containing at least one arrow target in a target range and position information corresponding to the arrow target;
the image target ring processing module 302 is configured to pre-process the acquired image data of the arrow target effective area, obtain an image block of each arrow target, form an image block data set, and arrange according to the position information of the arrow targets to obtain an archery target ring reference sequence;
the target identification module 303 is configured to identify arrow target position coordinates, a target pattern, and centroid coordinates of a target region center of each image block in the archery target ring reference image sequence;
the target ring processing module 304 is configured to obtain a shot image of an archery target ring of at least one round of archery in a target range in real time, compare the shot image of the archery target ring with a corresponding archery target ring reference sequence according to the position information of the archery target, determine a current target ring distribution target ring position coordinate parameter according to an arrow target position node in the shot image of the archery target ring obtained through comparison, determine target ring distribution according to a numerical value of the current target ring distribution target ring position coordinate parameter from a centroid coordinate, and obtain and record a target ring score.
The device for recording the target ring hit positions of the archery target ring also comprises an alarm module, wherein after the shooting image of the archery target ring from a target range to an archery is obtained, the shooting image is compared with the corresponding reference sequence of the archery target ring, and when the current target ring distribution target ring position coordinate parameters are not determined according to the arrow target position nodes in the shooting image of the archery target ring obtained through comparison, the alarm module is started to send out a miss-target alarm prompt.
It should be noted that, the archery target ring hit position record detection device adopts the steps of the archery target ring hit position record detection method as described above when executing, and therefore, the operation process of the archery target ring hit position record detection device in this embodiment is not described in detail.
In an embodiment of the invention, an electronic device is provided, comprising a memory having a computer program stored therein and a processor configured to execute the computer program stored in the memory. The memory is configured to store one or more computer instructions, wherein the one or more computer instructions are executed by the processor to implement the steps of the above method embodiments:
acquiring image data of at least one arrow target effective area in a target range and position information corresponding to the arrow target;
preprocessing the acquired image data of the arrow target effective area to acquire an image block of each arrow target and form an image block data set, and arranging according to the position information of the arrow targets to acquire an archery target ring reference sequence;
identifying the arrow target position coordinate, the target pattern and the center of mass coordinate of the target area center of each image block in the archery target ring reference image sequence;
the method comprises the steps of acquiring a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image of the archery target ring with a corresponding archery target ring reference picture sequence according to the position information of the archery target, determining current target ring distribution target ring position coordinate parameters according to arrow target position nodes in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to values of the distance between the current target ring distribution target ring position coordinate parameters and mass center coordinates, and obtaining and recording target ring scores.
Wherein, the image data of the arrow target effective area is preprocessed, which comprises the following steps:
acquiring image data of at least one arrow target effective area, and marking the position information of the arrow target in the image data of the arrow target effective area;
carrying out binarization processing on the marked image data of the arrow target effective area;
and obtaining the arrow target position coordinate, the target pattern and the center of mass coordinate of the target region center in the binary image data.
Wherein, carry out the preliminary treatment to the image data of the target effective area of obtaining, still include:
segmenting the binary image based on the arrow target position coordinates, the target pattern and the center-of-mass coordinates of the target region center to obtain an image block data set;
and arranging each image block in the image block data set according to the position coordinate information of the target ring to obtain an archery target ring reference sequence.
Wherein the one or more computer instructions are further for execution by the processor to implement the steps in the above-described method embodiments:
acquiring the shot parameters of the target-in-target position and the state of each arrow target position node in real time, and configuring module parameters for a digital CCD camera for shooting and collecting;
acquiring a shot image of an archery target ring of an archery in a target range in real time based on the digital CCD camera, and acquiring the image;
preprocessing the acquired image, identifying effective information of an archery target position coordinate, a target pattern and a mass center coordinate of a target area center, and identifying the target area center;
and determining the coordinate parameters of the positions of the current target ring distribution target rings according to the compared arrow target position nodes in the shot images of the archery target rings based on the target data in the images and the reference image sequence of the archery target rings, determining the distribution of the target rings according to the numerical values of the coordinate parameters of the positions of the current target ring distribution target rings from the coordinates of the mass center, obtaining and recording the values of the target rings, and outputting the target coordinates of the targets in the target targets.
In an embodiment of the present invention, there is further provided a storage medium having a computer program stored thereon, which when executed by a processor, performs the steps in the above-mentioned method embodiments:
acquiring image data of at least one arrow target effective area in a target range and position information corresponding to the arrow target;
preprocessing the acquired image data of the arrow target effective area to acquire image blocks of each arrow target and form an image block data set, and arranging according to the position information of the arrow targets to acquire an archery target ring reference sequence;
identifying the arrow target position coordinate, the target pattern and the center of mass coordinate of the target area center of each image block in the archery target ring reference image sequence;
the method comprises the steps of acquiring a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image of the archery target ring with a corresponding archery target ring reference picture sequence according to the position information of the archery target, determining current target ring distribution target ring position coordinate parameters according to arrow target position nodes in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to values of the distance between the current target ring distribution target ring position coordinate parameters and mass center coordinates, and obtaining and recording target ring scores.
Wherein, carry out the preliminary treatment to the image data of the target effective area of obtaining, include:
acquiring image data of at least one collected arrow target effective area, and marking the position information of the arrow target in the image data of the arrow target effective area;
carrying out binarization processing on the marked image data of the arrow target effective area;
and obtaining the arrow target position coordinate, the target pattern and the center of mass coordinate of the target region center in the binary image data.
Wherein, carry out the preliminary treatment to the image data of the target effective area of obtaining, still include:
segmenting the binary image based on the arrow target position coordinates, the target pattern and the center-of-mass coordinates of the target region center to obtain an image block data set;
and arranging each image block in the image block data set according to the position coordinate information of the target ring to obtain an archery target ring reference sequence.
Wherein the one or more computer instructions are further for execution by the processor to implement the steps in the above-described method embodiments:
acquiring shot parameters of the target position and state of each acquired arrow target position node in real time, and configuring module parameters for a digital CCD camera for shooting and acquiring;
acquiring a shot image of an archery target ring of an archery in a target range in real time based on the digital CCD camera, and acquiring the image;
preprocessing the acquired image, identifying effective information of an archery target position coordinate, a target pattern and a mass center coordinate of a target area center, and identifying the target area center;
and determining the position coordinate parameters of the current target ring distribution target ring according to the arrow target position nodes in the shot image of the archery target ring obtained by comparison based on the target data in the image and the reference image sequence of the archery target ring, determining the target ring distribution according to the numerical values of the current target ring distribution target ring position coordinate parameters and the centroid coordinate, obtaining and recording the value of the target ring, and outputting the target seat of the target in the target.
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 instructions of a computer program, which may be stored in a non-volatile computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory.
In conclusion, the method, the device and the electronic equipment for detecting the shooting arrow target ring hit position record provided by the invention reduce the complexity of manually reading the target by the target ring, and are convenient for reading the target ring information of shooting arrows on the target in real time in a target range area. In the detection process, the current target ring distribution target ring position coordinate parameters are determined according to the arrow target position nodes in the shot images of the archery target rings obtained through comparison, target ring distribution is determined according to the numerical value of the distance between the current target ring distribution target ring position coordinate parameters and the centroid coordinate, the target ring score is obtained and recorded, the target ring score is calculated accurately, the storage effect of the field images is achieved, only a small amount of data needs to be cached, the interference targets are dynamically cleaned in the detection process, and memory occupation is further reduced. Interference is eliminated through various condition thresholds in the detection process, the background interference resistance is high, accurate detection of the reasons of target ring hitting is achieved, the fact that data of the target ring hitting are real and reliable is guaranteed, the target hitting position and the state of the arrow target are accurately judged, and target scoring of the arrow target at the first time when the target ring hitting occurs is guaranteed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The method for detecting the record of the shooting target ring hit position is characterized by comprising the following steps of:
acquiring image data of at least one arrow target effective area in a target range and position information corresponding to the arrow target;
preprocessing the acquired image data of the arrow target effective area to acquire image blocks of each arrow target and form an image block data set, and arranging according to the position information of the arrow targets to acquire an archery target ring reference sequence;
identifying the arrow target position coordinate, the target pattern and the center of mass coordinate of the target area center of each image block in the archery target ring reference image sequence;
acquiring a shot image of an archery target ring of at least one wheel of archery in a target range in real time, comparing the shot image of the archery target ring with a corresponding archery target ring reference picture sequence according to the position information of the archery target, determining a current target ring distribution target ring position coordinate parameter according to an arrow target position node in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to a numerical value of the distance between the current target ring distribution target ring position coordinate parameter and a mass center coordinate, and obtaining and recording a target ring value;
acquiring current target ring distribution target ring position coordinate parameters of each acquired arrow target position node in real time, and calculating the coordinate values of the target ring distribution target ring position coordinate parameters among different arrow target position nodes;
judging whether the coordinate value of the position coordinate parameters of the target ring distribution target rings is within a preset distance threshold range or not, if so, dividing the number of target rings of targets in the arrow targets, and if the number of target rings exceeds the preset distance threshold range, dividing arrow position nodes to the number of adjacent target rings again;
recording all divided arrow position nodes, calculating the mean value of the current target ring distribution target ring position coordinate parameters, calculating the difference value between the current target ring distribution target ring position coordinate parameters of the arrow position nodes and the mean value, and taking the calculated difference value as the reference value of the hit rate.
2. The method for detecting the target ring hitting position of the archery according to claim 1, wherein the images of the arrow target area in the target range are collected based on at least one group of digital CCD cameras, the image data of the arrow target effective area in the target range is collected, the collection area of the digital CCD cameras covers the arrow target effective area in the target range, the digital CCD cameras convert the level of the CL interface of the digital CCD cameras into TTL level through a connected digital video CL interface conversion unit, and the digital image preprocessing is performed by using an FPGA digital processing unit.
3. The archery target ring hit position looper detection method of claim 2, wherein preprocessing the acquired image data of the archery target effective area comprises:
acquiring image data of at least one arrow target effective area, and marking the position information of the arrow target in the image data of the arrow target effective area;
carrying out binarization processing on the image data of the marked arrow target effective area;
and obtaining the position coordinates of the arrow target, the target pattern and the center-of-mass coordinates of the center of the target region in the binary image data.
4. The archery target ring hit position looper detection method of claim 3, wherein preprocessing the acquired image data of the archery target effective area, further comprises:
segmenting the binary image based on the arrow target position coordinates, the target pattern and the center-of-mass coordinates of the target region center to obtain an image block data set;
and arranging each image block in the image block data set according to the position coordinate information of the target ring to obtain an archery target ring reference sequence.
5. The method for detecting the target ring hit position of the archery according to claim 1, further comprising: after shooting images of archery target rings of at least one round of archery in a target range are obtained in real time, comparing the archery target rings with corresponding archery target ring reference image sequences according to the archery target information, determining current target ring distribution target ring position coordinate parameters according to arrow target position nodes in the shot images of the archery target rings obtained through comparison, determining target ring distribution according to numerical values of the current target ring distribution target ring position coordinate parameters and centroid coordinates, and obtaining and recording target ring values; comparing the average value of the residual arrow data serving as a reference with target ring distribution of target targets in different arrow target positions to judge the target ring distribution of each arrow position node; and starting the shooting equipment to carry out parameter mechanism adjustment to detect the arrow position node, judging the number of the arrow hitting the target ring under the shooting parameter verification, and detecting and reporting the target of the arrow target at the first time when the arrow target hits the target ring.
6. The archery target ring hit position ring detection method of claim 5, further comprising: and calculating the accumulated sum of the coordinate parameters of the current target ring distribution target ring positions as the total ring number of the hit target rate.
7. The archery target ring hit position ring recording detection method according to claim 6, wherein the detection of the current target ring distribution target ring position coordinate parameters comprises a sensor which is arranged at each archery target installation node and is used for detecting arrow vector illumination, temperature and/or humidity, and the collected current target ring distribution target ring position coordinate parameters of each archery target position node are obtained in real time; and the target ring position coordinate parameter subsets are divided into different target ring distribution according to different types of the sensors for storage.
8. An archery target ring hit position ring recording detection device is characterized in that the archery target ring hit position ring recording detection device detects an archery target ring hit by adopting the archery target ring hit position ring recording detection method according to any one of claims 1-7 and detects hit report; the archery target ring hit position record ring detection device comprises:
the acquisition module is used for acquiring image data of at least one arrow target effective area in a target range and position information corresponding to the arrow targets;
the image target ring processing module is used for preprocessing the acquired image data of the arrow target effective area, acquiring image blocks of each arrow target and forming an image block data set, and obtaining an archery target ring reference sequence according to the arrangement of the position information of the arrow target;
the target identification module is used for identifying the arrow target position coordinate, the target pattern and the center of mass coordinate of the target area center of each image block in the archery target ring reference image sequence;
the target ring processing module is used for acquiring a shot image of an archery target ring of at least one round of archery in a target range in real time, comparing the shot image of the archery target ring with a corresponding archery target ring reference sequence according to the position information of the archery target, determining a current target ring distribution target ring position coordinate parameter according to an arrow target position node in the shot image of the archery target ring obtained through comparison, determining target ring distribution according to a numerical value of the current target ring distribution target ring position coordinate parameter and a centroid coordinate, and obtaining and recording a target ring score.
9. An electronic device, characterized in that the electronic device comprises a plurality of electronic devices, each electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processors of the plurality of electronic devices when executing the computer program jointly implementing the steps of the archery target ring hit position cycle detection method according to any one of claims 1 to 7.
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