WO2017127984A1 - 网球运动中网球落点的获取方法及系统 - Google Patents

网球运动中网球落点的获取方法及系统 Download PDF

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Publication number
WO2017127984A1
WO2017127984A1 PCT/CN2016/071999 CN2016071999W WO2017127984A1 WO 2017127984 A1 WO2017127984 A1 WO 2017127984A1 CN 2016071999 W CN2016071999 W CN 2016071999W WO 2017127984 A1 WO2017127984 A1 WO 2017127984A1
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Prior art keywords
tennis
tennis ball
image
axis coordinate
scale
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PCT/CN2016/071999
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English (en)
French (fr)
Inventor
张阳
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张阳
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Priority to CN201680000340.1A priority Critical patent/CN105722562A/zh
Priority to PCT/CN2016/071999 priority patent/WO2017127984A1/zh
Publication of WO2017127984A1 publication Critical patent/WO2017127984A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0605Decision makers and devices using detection means facilitating arbitration
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/38Training appliances or apparatus for special sports for tennis
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0605Decision makers and devices using detection means facilitating arbitration
    • A63B2071/0611Automatic tennis linesmen, i.e. in-out detectors
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/02Tennis
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00Measuring of physical parameters relating to sporting activity
    • A63B2220/05Image processing for measuring physical parameters
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00Measuring of physical parameters relating to sporting activity
    • A63B2220/10Positions
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2220/00Measuring of physical parameters relating to sporting activity
    • A63B2220/80Special sensors, transducers or devices therefor
    • A63B2220/806Video cameras

Definitions

  • the present invention relates to the field of Internet and sports, and in particular, to a method and system for acquiring a tennis drop in tennis.
  • Tennis is a common sport. In tennis broadcasts, the calculation of tennis placement is a common calculation of the drop point.
  • the existing plan for tennis placement is based on the Hawkeye system, but the system has a high amount and the penetration rate is not high.
  • the present application provides a method for acquiring a tennis drop in tennis.
  • the invention solves the shortcomings of high technical amount and low popularization rate of the prior art technical solutions.
  • a method for acquiring a tennis drop in tennis sports comprising the following steps: [0005] capturing an image of a tennis ball through a horizontal camera, and comparing the image of the tennis ball with a scale to obtain an X-axis coordinate
  • the landing point of the tennis ball is obtained in combination with the X-axis coordinate and the Y-axis coordinate.
  • the method further includes:
  • the method further includes:
  • a system for acquiring a tennis ball in a tennis sport includes:
  • an X-axis unit configured to capture an image of the tennis ball through the horizontal camera, and compare the image of the tennis ball with the scale to obtain the X-axis coordinate
  • Y-axis unit taking another image of the tennis ball through the vertical camera, and the other image and scale Compare the Y-axis coordinates;
  • the combining unit is configured to acquire a landing point of the tennis ball in combination with the X-axis coordinate and the X-axis coordinate.
  • the system further includes:
  • a collecting unit configured to display all the falling points together.
  • the system further includes:
  • a calculating unit configured to determine a success rate of the tennis selection according to the positions of all the falling points.
  • the technical solution provided by the present invention captures an image of a tennis ball through a horizontal camera, compares the image of the tennis ball with a scale to obtain X-axis coordinates, and captures another image of the tennis ball through a vertical camera, and the other image is
  • the scale alignment acquires the paraxial coordinate, and the X-axis coordinate and the paraxial coordinate are combined to obtain the falling point of the tennis ball, so that it has the advantages of low amount and high popularity.
  • FIG. 1 is a flow chart of a method for acquiring a tennis drop in a tennis sport according to a first preferred embodiment of the present invention
  • FIG. 2 is a structural diagram of a system for acquiring a tennis ball in a tennis sport according to a second preferred embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a method for acquiring a tennis ball in a tennis sport according to a first preferred embodiment of the present invention. The method is as shown in FIG.
  • Step S101 The image of the tennis ball is captured by the horizontal camera, and the image of the tennis ball is compared with the scale to obtain the X-axis coordinate;
  • Step S102 shooting another image of the tennis ball through the vertical camera, and comparing the other image with the scale to obtain the Y-axis coordinate;
  • Step S103 Acquire a landing point of the tennis ball in combination with the X-axis coordinate and the Y-axis coordinate.
  • the technical solution provided by the present invention captures an image of a tennis ball through a horizontal camera, compares the image of the tennis ball with a scale to obtain X-axis coordinates, and captures another image of the tennis ball through a vertical camera, and the other image is
  • the scale alignment acquires the Y-axis coordinate, and the X-axis coordinate and the Y-axis coordinate are combined to obtain the falling point of the tennis ball, so that it has the advantages of low amount and high popularity.
  • the foregoing method may further include:
  • the foregoing method may further include:
  • FIG. 2 is a schematic diagram of a system for acquiring a tennis ball in a tennis sport according to a second preferred embodiment of the present invention.
  • the system includes:
  • the X-axis unit 201 is configured to capture an image of the tennis ball through the horizontal camera, and compare the image of the tennis ball with the scale to obtain the X-axis coordinate;
  • the Y-axis unit 202 captures another image of the tennis ball through the vertical camera, and compares the other image with the scale to obtain the Y-axis coordinate;
  • the combining unit 203 is configured to acquire a landing point of the tennis ball in combination with the X-axis coordinate and the Y-axis coordinate.
  • the technical solution provided by the present invention captures an image of a tennis ball through a horizontal camera, compares the image of the tennis ball with a scale to obtain X-axis coordinates, and captures another image of the tennis ball through a vertical camera, and the other image is
  • the scale alignment acquires the Y-axis coordinate, and the X-axis coordinate and the Y-axis coordinate are combined to obtain the falling point of the tennis ball, so that it has the advantages of low amount and high popularity.
  • the foregoing system may further include: [0040]
  • the collecting unit 204 is configured to display all the falling points together.
  • the foregoing system may further include:
  • the calculating unit 205 is configured to determine a success rate of the tennis selection according to the positions of all the landing points.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Image Analysis (AREA)

Abstract

一种网球运动中网球落点的获取方法,所述方法包括如下步骤:通过水平摄像头拍摄网球的图像,将该网球的图像与比例尺比对获取X轴坐标(101);通过竖直摄像头拍摄网球的另一张图像,将该另一张图像与比例尺比对获取Y轴坐标(102);结合X轴坐标和Y轴坐标获取网球的落点(103)。该方法具有成本低,普及率高的优点。

Description

发明名称:网球运动中网球落点的获取方法及系统 技术领域
[0001] 本发明涉及互联网及运动领域, 尤其涉及一种网球运动中网球落点的获取方法 及系统。
背景技术
[0002] 网球为一种常见的运动, 在网球转播中, 网球落点的计算为常见的落点计算, 现有的网球落点的计划基于鹰眼系统, 但是此系统金额高, 普及率不高。
技术问题
[0003] 本申请提供一种网球运动中网球落点的获取方法。 其解决现有技术的技术方案 金额高, 普及率不高的缺点。
问题的解决方案
技术解决方案
[0004] 一方面, 提供一种网球运动中网球落点的获取方法, 所述方法包括如下步骤: [0005] 通过水平摄像头拍摄网球的图像, 将该网球的图像与比例尺比对获取 X轴坐标
[0006] 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图像与比例尺比对获取 Y 轴坐标;
[0007] 结合 X轴坐标和 Y轴坐标获取网球的落点。
[0008] 可选的, 所述方法还包括:
[0009] 将所有落点集合起来显示。
[0010] 可选的, 所述方法还包括:
[0011] 依据所有落点的位置来判断网球选择的一发成功率。
[0012] 第二方面, 提供一种网球运动中网球落点的获取系统, 所述系统包括:
[0013] X轴单元, 用于通过水平摄像头拍摄网球的图像, 将该网球的图像与比例尺比 对获取 X轴坐标;
[0014] Y轴单元, 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图像与比例尺 比对获取 Y轴坐标;
[0015] 结合单元, 用于结合 X轴坐标和 Υ轴坐标获取网球的落点。
[0016] 可选的, 所述系统还包括:
[0017] 集合单元, 用于将所有落点集合起来显示。
[0018] 可选的, 所述系统还包括:
[0019] 计算单元, 用于依据所有落点的位置来判断网球选择的一发成功率。
发明的有益效果
有益效果
[0020] 本发明提供的技术方案通过水平摄像头拍摄网球的图像, 将该网球的图像与比 例尺比对获取 X轴坐标, 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图 像与比例尺比对获取 Υ轴坐标, 结合 X轴坐标和 Υ轴坐标获取网球的落点, 所以 其具有金额低, 普及率高的优点。
对附图的简要说明
附图说明
[0021] 为了更清楚地说明本发明实施例的技术方案, 下面将对实施例描述中所需要使 用的附图作简单地介绍, 显而易见地, 下面描述中的附图是本发明的一些实施 例, 对于本领域普通技术人员来讲, 在不付出创造性劳动的前提下, 还可以根 据这些附图获得其他的附图。
[0022] 图 1为本发明第一较佳实施方式提供的一种网球运动中网球落点的获取方法的 流程图;
[0023] 图 2为本发明第二较佳实施方式提供的一种网球运动中网球落点的获取系统的 结构图。
发明实施例
本发明的实施方式
[0024] 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实 施例。 基于本发明中的实施例, 本领域普通技术人员在没有作出创造性劳动前 提下所获得的所有其他实施例, 都属于本发明保护的范围。
[0025] 请参考图 1, 图 1是本发明第一较佳实施方式提出的一种网球运动中网球落点的 获取方法, 该方法如图 1所示, 包括如下步骤:
[0026] 步骤 S101、 通过水平摄像头拍摄网球的图像, 将该网球的图像与比例尺比对获 取 X轴坐标;
[0027] 步骤 S102、 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图像与比例尺 比对获取 Y轴坐标;
[0028] 步骤 S103、 结合 X轴坐标和 Y轴坐标获取网球的落点。
[0029] 本发明提供的技术方案通过水平摄像头拍摄网球的图像, 将该网球的图像与比 例尺比对获取 X轴坐标, 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图 像与比例尺比对获取 Y轴坐标, 结合 X轴坐标和 Y轴坐标获取网球的落点, 所以 其具有金额低, 普及率高的优点。
[0030] 可选的, 上述方法在步骤 S 103之后还可以包括:
[0031] 将所有落点集合起来显示。
[0032] 可选的, 上述方法在步骤 S 103之后还可以包括:
[0033] 依据所有落点的位置来判断网球选择的一发成功率。
[0034] 请参考图 2, 图 2是本发明第二较佳实施方式提出的一种网球运动中网球落点的 获取系统, 该系统包括:
[0035] X轴单元 201 , 用于通过水平摄像头拍摄网球的图像, 将该网球的图像与比例尺 比对获取 X轴坐标;
[0036] Y轴单元 202, 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图像与比例 尺比对获取 Y轴坐标;
[0037] 结合单元 203, 用于结合 X轴坐标和 Y轴坐标获取网球的落点。
[0038] 本发明提供的技术方案通过水平摄像头拍摄网球的图像, 将该网球的图像与比 例尺比对获取 X轴坐标, 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图 像与比例尺比对获取 Y轴坐标, 结合 X轴坐标和 Y轴坐标获取网球的落点, 所以 其具有金额低, 普及率高的优点。
[0039] 可选的, 上述系统还可以包括: [0040] 集合单元 204, 用于将所有落点集合起来显示。
[0041] 可选的, 上述系统还可以包括:
[0042] 计算单元 205, 用于依据所有落点的位置来判断网球选择的一发成功率。
[0043] 需要说明的是, 对于前述的各个方法实施例, 为了简单描述, 故将其都表述为 一系列的动作组合, 但是本领域技术人员应该知悉, 本发明并不受所描述的动 作顺序的限制, 因为依据本发明, 某一些步骤可以采用其他顺序或者同时进行 。 其次, 本领域技术人员也应该知悉, 说明书中所描述的实施例均属于优选实 施例, 所涉及的动作和模块并不一定是本发明所必须的。
[0044] 在上述实施例中, 对各个实施例的描述都各有侧重, 某个实施例中没有详细描 述的部分, 可以参见其他实施例的相关描述。
[0045] 本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可 以通过程序来指令相关的硬件来完成, 该程序可以存储于一计算机可读存储介 质中, 存储介质可以包括: 闪存盘、 只读存储器 (英文: Read-Only Memory , 简称: ROM) 、 随机存取器 (英文: Random Access Memory , 简称: RAM) 、 磁盘或光盘等。
[0046] 以上对本发明实施例所提供的内容下载方法及相关设备、 系统进行了详细介绍 , 本文中应用了具体个例对本发明的原理及实施方式进行了阐述, 以上实施例 的说明只是用于帮助理解本发明的方法及其核心思想; 同吋, 对于本领域的一 般技术人员, 依据本发明的思想, 在具体实施方式及应用范围上均会有改变之 处, 综上所述, 本说明书内容不应理解为对本发明的限制。

Claims

一种网球运动中网球落点的获取方法, 其特征在于, 所述方法包括如 下歩骤:
通过水平摄像头拍摄网球的图像, 将该网球的图像与比例尺比对获取 X轴坐标;
通过竖直摄像头拍摄网球的另一张图像, 将该另一张图像与比例尺比 对获取 Y轴坐标;
结合 X轴坐标和 Y轴坐标获取网球的落点。
根据权利要求 1所述的方法, 其特征在于, 所述方法还包括: 将所有落点集合起来显示。
根据权利要求 1所述的方法, 其特征在于, 所述方法还包括: 依据所有落点的位置来判断网球选择的一发成功率。
一种网球运动中网球落点的获取系统, 其特征在于, 所述系统包括:
X轴单元, 用于通过水平摄像头拍摄网球的图像, 将该网球的图像与 比例尺比对获取 X轴坐标;
Y轴单元, 通过竖直摄像头拍摄网球的另一张图像, 将该另一张图像 与比例尺比对获取 Y轴坐标;
结合单元, 用于结合 X轴坐标和 Y轴坐标获取网球的落点。
根据权利要求 4所述的系统, 其特征在于, 所述系统还包括: 集合单元, 用于将所有落点集合起来显示。
根据权利要求 4所述的系统, 其特征在于, 所述系统还包括: 计算单元, 用于依据所有落点的位置来判断网球选择的一发成功率。
PCT/CN2016/071999 2016-01-25 2016-01-25 网球运动中网球落点的获取方法及系统 WO2017127984A1 (zh)

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WO2018027690A1 (zh) * 2016-08-10 2018-02-15 张阳 网球落点的计算方法及系统
CN109186455A (zh) * 2018-09-06 2019-01-11 安徽师范大学 一种基于视觉测量动态物体三维坐标的装置
CN109248428A (zh) * 2018-09-17 2019-01-22 武汉中奥互联科技有限公司 一种网球运动轨迹处理系统的动态分析方法
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