KR101865186B1 - System for recognizing archery score - Google Patents

System for recognizing archery score Download PDF

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Publication number
KR101865186B1
KR101865186B1 KR1020170150929A KR20170150929A KR101865186B1 KR 101865186 B1 KR101865186 B1 KR 101865186B1 KR 1020170150929 A KR1020170150929 A KR 1020170150929A KR 20170150929 A KR20170150929 A KR 20170150929A KR 101865186 B1 KR101865186 B1 KR 101865186B1
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South Korea
Prior art keywords
target
arrow
score
archery
image analysis
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KR1020170150929A
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Korean (ko)
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유한철
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주식회사 알텍
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J3/00—Targets for arrows or darts, e.g. for sporting or amusement purposes
    • F41J3/0004—Archery targets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J5/00—Target indicating systems; Target-hit or score detecting systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)

Abstract

The present invention relates to a system for recognizing archery scores, comprising: an archery cam which is an imaging device for photographing a target and arrows hit on the target; and an image analyzing server for locations and points of the arrows hit on the target based on image data sent from the archery cam via a wire/wireless network. The image analyzing server calculates the points by recognizing a portion of the arrow which is hit on the target, the head of an arrow shaft, the color and lines of target paper, and the same point section from the image data. Therefore, a player can easily verify records on a fire lane, without the aid of a helper, and can compensate aiming in consideration of influence of wind, thereby improving performance.

Description

SYSTEM FOR RECOGNIZING ARCHERY SCORE [0002]

The present invention relates to an archery score recognition system, and more particularly, to an archery score recognition system that enables an athlete to recognize an archery score and perform an efficient training without help of an assistant.

The contents described in this section merely provide background information on the present embodiment and do not constitute the prior art.

Archery is a target sporting a goal using a bow and an arrow to shoot a target at a certain distance. Archery games are divided into two categories: Targeting, Fielding, and Compounding. Targeting is the official event of the Olympic Games. It is called a round, and it is divided into Olympic Round, Grand Round, Double Round, and Single Round, etc., in which a target is shot with a certain number of arrows at a predetermined distance and then the score is calculated.

Korean archery has been at the top of many world championships, Olympic and Asian games, and women's archery, in particular, has a level of skill that is more difficult than the national championship. Nevertheless, Korean archery is regarded as an unqualified sports event that only a small number of elites are fostered and is thought to be a difficult event that many masses can not easily access.

In addition, equipment and training methods are stagnant and stagnation in the related industries, compared with other items due to unorthodox training equipment and training methods. FIG. 1 is a view showing an example of a method of confirming an archery target according to the prior art, in which a coach or a player directly confirms a position where a fire place is inserted in a target, using a telescope. According to this conventional method, it is troublesome to record management of the athletes, and since the person has to check the target every time, progress is delayed, and it is difficult to confirm the wind direction and wind speed information.

It is necessary to train the archery in accordance with the actual order, time, and number of fires, such as the actual competition field. As shown in FIG. 2, It is difficult to practice in 6 seconds in 120 seconds, 3 times in 60 seconds, and again in shooting, etc.).

Meanwhile, as shown in FIG. 3, the timer used in the current archery field is expensive equipment and is provided only in a team or a specific facility, and since it provides only a predetermined routine, it is difficult for an individual to use the timer. In addition, in the case of a timer for a game currently being used in public, a beep sound can be heard through a large speaker, which can damage not only late residents but also other people using the same archery.

Because of these limitations, general people and clubs do not care about the order, time, water repellency, etc. of the actual game. They are not doing systematic training. They tend to watch the timer in the competition field and are often chased by time. In some cases.

In the past, in the case of a team or a group, it is only when a player records a submitted recording sheet that an arrow has been inserted by using a pen on a recording sheet, and the player can know the target of all the players managed at a glance in real time There was no way to identify, so systematic and efficient training was limited.

Especially, the handicapped person using the wheelchair is difficult to identify the scoop (telescope) by himself and the assistant is essential.

Accordingly, the present invention proposes an archery score recognition system capable of solving the technical constraints described above.

Korean Patent No. 10-0702647, published on March 27, 2007 (name: shooting training apparatus and shooting training method) Japanese Patent Registration No. 3250150, published on April 23, 1999 (name: shooting training device) Japanese Patent Laid-Open No. 6065831, published on July 6, 2015 (titled: a system for shooting guns and shooting games)

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the problems of the prior art described above, and it is a main object of the present invention to provide an archery score recognition system in which a player himself / herself can easily confirm the record immediately without assistance of an assistant.

Another object of the present invention is to provide an environment in which an ordinary person, a group of athletes and athlete can make an environment similar to an archery field during training and allow indirect experience of a game to the general public and a crowd, And an archery score recognition system.

The problems to be solved by the present invention are not limited to those mentioned above, and another problem to be solved can be clearly understood by those skilled in the art from the following description.

According to one aspect of the present invention, there is provided an archery cam which is a video device for photographing a target and an arrow pointing to the target; And an image analysis server for calculating the position and the score of the arrow, which is captured in the target and the target, from the image data transmitted from the archery cam to the wired / wireless network, wherein the image analysis server analyzes the image data, The recognition of the stuck portion, the recognition of the end portion of the arrow shaft, the recognition of the color and the line of the target mark, and the recognition of the same score section are performed to calculate the score.

The recognition of the portion of the arrow stuck to the target can be recognized through the point where the shaft of the arrow and the shadow of the arrow are commonly tangent to the target.

The recognition of the end portion of the arrow shaft can be recognized through the shape of the knot at the rear portion of the arrow.

The same point section recognition process may be performed by finding a center point of a circle in the target and then drawing a point radially from the center point in a radial direction and then changing the color of the target, . ≪ / RTI >

The radial point can be taken by increasing the radius in the four directions of the front, rear, left, and right from the center of the target.

The radius of the inner circle having the same color and the radius of the outer circle from the center point may be measured to draw another circle connecting the half of the radius of the inner and outer circles.

The image analysis server may exclude the next arrow from the recognition process after the arrow is recognized after the target has been hit.

The exclusion process may be performed by comparing the determination of whether or not the arrow has been recognized as a point, with a predetermined stored score and whether or not the position matches the target position.

And may further include a lighting device for generating a shadow of the arrow at the front of the target.

According to the archery score recognition system of the present invention, it is possible to enable an archery score recognition system in which a player himself / herself can easily check the record immediately without assistance of a support person.

In addition, an archery score recognition system that allows ordinary people, dancers, and athletes to experience the same conditions as the archery venue during the training, allowing indirect experience of the game for the general public and clubbing, Is possible.

The effects obtained in the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the following description .

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, serve to explain the technical features of the invention.
FIG. 1 is a view illustrating an example of a conventional method of identifying an archery target.
2 is a view illustrating an archery training state of a general public according to the prior art.
3 is a diagram illustrating an archery timer according to the prior art.
4 is a diagram illustrating a configuration of an archery score recognition system according to an embodiment of the present invention.
5 is a diagram illustrating a configuration of an image analysis server according to an embodiment of the present invention.
6A is a diagram illustrating recognition of an edge of an arrow in an image analysis unit according to an embodiment of the present invention.
6B is a diagram illustrating recognition of the shaft of the arrow in the image analysis unit according to an embodiment of the present invention.
FIG. 6C is a diagram illustrating recognition of colors and lines of a target in an image analysis unit according to an exemplary embodiment of the present invention.
FIG. 6D illustrates drawing a point on a target in order to recognize a shape of a circle in an image analysis unit according to an exemplary embodiment of the present invention.
FIG. 6E illustrates drawing a circle shape in a bull's-eye in the image analysis unit according to an embodiment of the present invention.
FIG. 6F is a diagram illustrating the division of circles in the bullseye in the image analysis unit according to an embodiment of the present invention.
7 is a view illustrating another display screen of a terminal according to an embodiment of the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The following detailed description, together with the accompanying drawings, is intended to illustrate exemplary embodiments of the invention and is not intended to represent the only embodiments in which the invention may be practiced. The following detailed description includes specific details in order to provide a thorough understanding of the present invention. However, those skilled in the art will appreciate that the present invention may be practiced without these specific details.

In some instances, well-known structures and devices may be omitted or may be shown in block diagram form, centering on the core functionality of each structure and device, to avoid obscuring the concepts of the present invention.

Throughout the specification, when an element is referred to as "comprising" or " including ", it is meant that the element does not exclude other elements, do. Also, the terms " part, "" module," and " module ", etc. in the specification mean a unit for processing at least one function or operation and may be implemented by hardware or software or a combination of hardware and software have. Also, the terms " a or ", "one "," the ", and the like are synonyms in the context of describing the invention (particularly in the context of the following claims) May be used in a sense including both singular and plural, unless the context clearly dictates otherwise.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

Hereinafter, the same system can be applied for the training of the sports such as the archery and the like, although the archery is exemplified in the following description.

4 is a diagram illustrating a configuration of an archery score recognition system according to an embodiment of the present invention.

The bow 100 is a tool used by a shooter to shoot an arrow toward a target 200 positioned at a certain distance. In the archery, a glass fiber and a wood or bamboo are usually used in combination. The bow (100), which is usually used, has an elasticity criterion of strength when pulling a 66 cm long arrow, which varies from 14 to 23 kg for men and 9 to 18 kg for women. The fired bow flies about 200 to 900 meters at a speed of about 52 meters per second. Penetration depends on the strength of the bow, but it can penetrate a 1mm iron plate with an arrow of 66cm and a strength of 18kg. Arrows are made of duralumin or glass fiber material, which adjusts the thickness and weight of the arrow according to the strength of the bow (100).

The target (200) is a surface with several circles of different diameters shot by the shooter, and is divided into several concentric circles according to the scoring interval. The bull's-eye is a yellow circle with a diameter of 12.2cm, 1.3m above the ground, corresponding to the center of the bull's-eye. The score decreases as you move from the center to the outer edge of the target. The target is usually made up of a straw-clad pup, and then a cloth with concentric circles marking the score. The thickness is about 10cm and the diameter is about 120cm. Five concentric circles are British and ten are FITA (International Archery Federation). For long distance of 90m, 70m and 60m, the diameter should be 122cm (10 point diameter 12.2cm). For short distance of 50m and 30m, the target of 80cm diameter (10 point diameter 8cm) should be used.

The archery cam 300 is an imaging device for photographing the position of an arrow inserted in the target 200 and the target 200. The archery cam 300 can be installed in the vicinity of the target 200 or in the vicinity of the target 200 according to the remote shooting capability. Although one arch cam 300 is shown in FIG. 4, it will preferably be installed with a gun and a target 200.

The image photographed by the archery cam 300 is transmitted to the analysis server 400 in a wired / wireless communication manner. Here, the wired / wireless communication method is classified into a low-power, low-cost local communication method such as BLE (Bluetooth Low Energy), WiFi, WiBro, WiMAX, Bluetooth, UWB, (WCDMA), Wideband Code Division Multiple Access (WCDMA), and so on, regardless of whether the name is ZigBee, DSRC, ultrasonic, infrared or the like. (HFC), Long Term Evolution (LTE), and other fixed-line networks such as Ethernet, digital subscriber line (xDSL), optical fiber hybrid network (HFC) May be any type of network to be implemented in the future, regardless of the name.

The archery cam 300 may include a self-image analysis module and a storage module in addition to the image acquisition module, and the captured image may be transmitted to the image analysis server 400 without processing.

The image analysis server 400 is a server for analyzing the positions of the bulls 100 and the arrows in the image data transmitted from the archery cam 300. The image analysis server 400 may be implemented as a server farm, Or may be implemented in a single computer device.

The terminal 500 is a device for receiving the images of the bulls 200 and arrows analyzed by the image analysis server 400 by wired / wireless and displaying the images so that the shooter can recognize the images by eyesight or audition.

4, the terminal 500 may be a dedicated monitor installed in the server, and may be any information communication device capable of receiving and displaying information from the image analysis server 400 through a wired / A mobile phone, a portable multimedia player (PMP), a MID (Mobile) terminal, a tablet computer, a notebook computer, a notebook computer, a netbook, a multimedia terminal, a wired terminal, Internet Device), a smart phone, and the like.

An application program for archery training can be installed in a general smartphone in which the terminal 500 is not a dedicated monitor, so that the service according to the present invention can be used.

The dedicated terminal 500 is preferably equipped with a solar panel and a solar cell to supply power to the terminal 500 through sunlight.

The terminal 500 preferably includes a monitor for visual guidance as well as a speaker for outputting audio.

The image analysis results obtained by the specific archery cam 300 are transmitted not only to the terminal 500 located in the vicinity of the observer but also to 1: N, N: 1, or N: N, Directors, coaches, etc. can be used to guide players.

5 is a diagram illustrating a configuration of an image analysis server according to an embodiment of the present invention.

The image analysis server 400 may include a communication unit 410, an image analysis unit 420, and a wind calculation unit 430.

The communication unit 410 provides a function for exchanging information with the archery cam 300 and the terminal 500. The communication unit 410 includes RF transmitting means for up-converting and amplifying the frequency of the transmitted signal, RF receiving means for low-noise amplifying the received signal and down-converting the frequency.

The communication unit 410 may include at least one of a wireless communication module and a wired communication module. The wireless communication module is configured to transmit and receive data according to a wireless communication method. When wireless communication is used, data can be transmitted and received using any one of a wireless network communication module, a wireless LAN communication module, and a wireless fan communication module have. The wired communication module is for transmitting / receiving data by wire.

The communication unit 410 may be a communication unit such as BLE (Bluetooth Low Energy), WiFi, WiBro, WiMAX, Bluetooth, UWB, ZigBee, (CDMA), Wideband Code Division Multiple Access (WCDMA), High Speed Packet Access (HSPA), and so on, regardless of the name, Mobile communication modules such as Long Term Evolution (LTE), and wired communication modules such as Ethernet, digital subscriber line (xDSL), optical fiber hybrid network (HFC), and optical access network (FTTH).

The image analysis unit 420 photographs the bullseye 200 and the arrows imaged from the archery cam 300 and analyzes the transmitted image. The image analysis unit 420 determines the position where the arrow is stuck through the intelligent image analysis technique and calculates the score. The detailed operation of the image analyzing unit 420 will be described in detail in FIGS. 6A to 6E.

The wind calculation unit 430 receives wind speed and direction information of the wind blowing in the current stadium and analyzes the influence on the game. The wind speed and direction information of the stadium can be obtained through the wind direction and anemometer (not shown) installed in the stadium or from weather information of the weather station. The meteorological information of the meteorological office can be obtained by using GPS (Global Positioning System) information provided together with the archery cam 300 or the terminal 500. [

Archery is usually a game played outdoors, and the influence of the wind is huge. When the wind is blowing strongly, the center of the bull's eye (200) can be deflected even if the target is fixed. In this case, it is essential to know the effect of the wind rather than the wrong aim of the shooter.

When the wind is blowing in a specific direction to the stadium, the wind calculation unit 430 can transmit the wind direction, the wind speed, and the desired mis-aim degree to the terminal 500.

The storage unit 440 may be a volatile memory or a non-volatile memory unit as a computer-readable medium. Such as a hard disk device, an optical disk device, or any other mass storage device.

The storage unit 440 stores the member information, the score, and the game history for each member, so that each member can manage the score of the training or competition, and can easily confirm the improvement or deterioration of the performance.

In the above description, the image analysis function is implemented in the image analysis server 400. However, some image analysis functions may be implemented in the archery cam 300 according to the embodiment. For example, a result of performing an image analysis on the image taken by the archery cam 300 may be transmitted to the image analysis server 400 or sometimes directly to the terminal 500.

6A to 6E are views illustrating an operation of the image analysis unit according to an embodiment of the present invention.

6A is a diagram illustrating recognition of an edge of an arrow in an image analysis unit according to an embodiment of the present invention.

6A, the image analyzing unit 420 recognizes an edge portion of the target 200 inserted in the arrow. It recognizes through the point where the shadows of the arrow shaft and the arrow touch the target 200 in common. A lighting device can be installed at an appropriate angle at the front of the target 200 in order to clearly generate the shadow of the arrow.

6B is a diagram illustrating recognition of the shaft of the arrow in the image analysis unit according to an embodiment of the present invention.

The image analysis unit 420 recognizes the shaft portion of the arrow, which accurately recognizes the front portion and the rear portion through the shape of a collar and a knock on the rear portion of the shaft of the arrow. Knock is the part that fixes the arrow to the bow of the bow (100).

FIG. 6C is a diagram illustrating recognition of colors and lines of a target in an image analysis unit according to an exemplary embodiment of the present invention.

The image analyzing unit 420 recognizes the colors and lines of each portion appearing on the target 200 using an image analysis technique.

FIG. 6D illustrates drawing a point on a target in order to recognize a shape of a circle in an image analysis unit according to an exemplary embodiment of the present invention.

In FIG. 6C, in order to increase the accuracy of the target 200 and the color and line recognition in FIG. 6C, the center of the circle is first found, and then the point is radially drawn by increasing the radius from the center point. In FIG. 6D, the points are drawn in the four directions of left and right and up and down, but the present invention is not limited thereto. The more accurate the points are, the higher the accuracy will be, but the number of radial points can be adjusted in consideration of the calculation amount and the calculation speed.

6D, a circular line is drawn in which the score is changed to the target 200 at a point where the color of the target 200 is changed as the points are drawn with the same radius. FIG. 6E illustrates drawing a circle shape in a bull's-eye in the image analysis unit according to an embodiment of the present invention.

On the other hand, since the score of the archery is divided according to the distance from the center of the circle even in the same color, the score division is again necessary in the drawn circle of FIG. 6E.

FIG. 6F is a diagram illustrating the division of circles in the bullseye in the image analysis unit according to an embodiment of the present invention.

The image analysis unit 420 measures the radius of the inner circle having the same color and the radius of the outer circle and draws another circle connecting the half of the radius of the inner and outer circles. The newly drawn circle is where the score changes within that color.

 7 is a diagram illustrating recognition of a plurality of targets by the image analysis unit according to an embodiment of the present invention.

For accurate analysis of the score, an arrow whose score is recognized by the image analysis unit 420 once it is inserted into the target 200 is required to be excluded from the recognition target when the next arrow is recognized. In an embodiment of the present invention, the first arrow in FIG. 7 is recognized as 9 points, and the second arrow is excluded from being recognized again when recognized as 10 points. Once the score is recognized, the score (color) and the location of the bull's-eye are stored, and if the bullet in the bull's-eye matches the stored score and whether it matches the bull's-eye position, .

Each block of the block diagrams attached hereto and combinations of steps of the flowchart diagrams may be performed by computer program instructions. These computer program instructions may be loaded into a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus so that the instructions, which may be executed by a processor of a computer or other programmable data processing apparatus, And means for performing the functions described in each step are created. These computer program instructions may also be stored in a computer usable or computer readable memory capable of directing a computer or other programmable data processing apparatus to implement the functionality in a particular manner so that the computer usable or computer readable memory It is also possible for the instructions stored in the block diagram to produce a manufacturing item containing instruction means for performing the functions described in each block or flowchart of the block diagram. Computer program instructions may also be stored on a computer or other programmable data processing equipment so that a series of operating steps may be performed on a computer or other programmable data processing equipment to create a computer- It is also possible that the instructions that perform the processing equipment provide the steps for executing the functions described in each block of the block diagram and at each step of the flowchart.

Also, each block or each step may represent a module, segment, or portion of code that includes one or more executable instructions for executing the specified logical function (s). It should also be noted that in some alternative embodiments, the functions mentioned in the blocks or steps may occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially concurrently, or the blocks or steps may sometimes be performed in reverse order according to the corresponding function.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

According to the archery score recognition system of the present invention, the archery score can be easily recognized by the player himself without any assistance of the assistant, and the archery score can be easily improved by allowing the player to correct the aiming considering the influence of the wind. As the system can be utilized as a solution for providing the system, the possibility of commercialization or sales of the applicable device, rather than the utilization of the related technology, is sufficient as it exceeds the limit of the existing technology. It is an invention that is industrially applicable.

100: Bow 200: Target 300: Archery cam
400: image analysis server 410: communication unit 420: image analysis unit
430: wind calculator 440; Storage unit 500:

Claims (10)

An archery cam which is a video device for photographing the target and the position of the arrow stuck to the target;
And an image analysis server for calculating positions and scores of the bullseye, the arrows struck to the target from the image data transmitted from the archery cam and transmitted to the wired / wireless network,
Wherein the image analysis server calculates a score by performing recognition of a portion of the image data to which the arrow is pushed, recognition of an end portion of the arrow shaft, recognition of a color and a line of the target target,
The recognition of the portion of the arrow stuck in the bull's-
And the shadow of the arrow and the shadow of the arrow are recognized through a point commonly tangent to the target. delete delete The method according to claim 1,
The same score interval recognition process may include:
And calculating a radial point from the center point by finding a center point of the circle in the target and increasing a radius from the center point. 5. The method of claim 4,
The same score interval recognition process may include:
Further comprising the steps of: drawing a point in a radial direction while increasing a radius from the center point, and then drawing a circular line whose score changes in the target at a point where the color of the target changes. 6. The method of claim 5,
The radial point
And the radius is increased in four directions of the front, back, left, and right from the center of the target. 6. The method of claim 5,
The score section may include:
Characterized in that the radius of the inner circle having the same color and the radius of the outer circle from the center point are measured to draw another circle connecting the half of the radius of the inner and outer circles, system. The method according to claim 1,
Wherein the image analysis server comprises:
Wherein the arrow having the score recognized after being struck to the target is excluded from the recognition process of the next arrow. 9. The method of claim 8,
The exclusion process
Wherein the determination of whether or not the arrow is recognized as the score is made by comparing a predetermined stored score and whether or not the position matches the target position. The method according to claim 1,
Further comprising a lighting device for generating a shadow of an arrow at a front portion of the bullseye.
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KR101954413B1 (en) 2018-08-03 2019-03-05 (주)피디케이리미티드 Automatic score calculation apparatus in targeting simulation system and method thereof
CN113159124A (en) * 2020-04-30 2021-07-23 珠海强源体育用品有限公司 Image target ring recognition and calculation device and method

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KR101954413B1 (en) 2018-08-03 2019-03-05 (주)피디케이리미티드 Automatic score calculation apparatus in targeting simulation system and method thereof
CN113159124A (en) * 2020-04-30 2021-07-23 珠海强源体育用品有限公司 Image target ring recognition and calculation device and method
CN113159124B (en) * 2020-04-30 2024-03-22 珠海强源体育用品有限公司 Image target ring recognition and calculation device and method

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