WO2017008214A1 - Control method and system for tennis ball machine - Google Patents
Control method and system for tennis ball machine Download PDFInfo
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- WO2017008214A1 WO2017008214A1 PCT/CN2015/083815 CN2015083815W WO2017008214A1 WO 2017008214 A1 WO2017008214 A1 WO 2017008214A1 CN 2015083815 W CN2015083815 W CN 2015083815W WO 2017008214 A1 WO2017008214 A1 WO 2017008214A1
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- image
- tennis ball
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/38—Training appliances or apparatus for special sports for tennis
Definitions
- the present invention belongs to the field of sporting goods, and in particular, to a method and system for controlling a tennis ball machine.
- the tennis ball machine is a commonly used ball-feeding device for tennis training.
- the existing equipment it is just an automatic ball machine, which does not adjust accordingly according to the position of the player, so the existing serve is The machine basically cannot achieve the purpose of the corresponding training.
- An object of the embodiments of the present invention is to provide a method for controlling a tennis ball machine, which aims to solve the problem that the prior art solution cannot perform position adjustment.
- a method for controlling a tennis ball machine comprising:
- the implementation method of the 103 is specifically:
- f is the adjustment factor
- the identifying the person image is specifically:
- a control system for a tennis ball machine comprising:
- a shooting unit configured to take a photo of the training venue
- a matching unit configured to perform image processing on the photo, and obtain an angle between the image of the person and the center position of the image
- an adjusting unit configured to adjust an emission angle of the next tennis ball according to the angle.
- the comparing unit is specifically configured to identify a color density of each pixel of the image, and collect each pixel point with a similar color density to find an area within the set within the set area.
- a collection which combines the positions of the collection into a character image.
- the technical solution provided by the present invention provides a novel control method for a tennis ball machine, which adjusts the angle of the serve by adjusting the position of the player, so that it can provide good interaction, so Has the advantage of good training effect.
- FIG. 1 is a flow chart of a method for controlling a tennis ball machine according to the present invention
- FIG. 2 is a structural diagram of a control system of a tennis ball machine according to the present invention.
- a specific embodiment of the present invention provides a method for controlling a tennis ball machine.
- the method is as shown in FIG. 1 and includes:
- the present invention provides a method for controlling a tennis ball machine, by which the position of the player and the center of the picture is compared to adjust the launch angle of the tennis ball, thereby increasing the interaction and improving the catching efficiency of the player.
- the implementation method of the foregoing 103 may be specifically:
- emission angle current angle + f * angle A;
- f is the adjustment factor, generally between 0.05 and 0.07.
- the foregoing specific method for identifying a character image may be:
- the color density is similar, especially the face, clothes, and concentration are certain, so the composition of the composition is very easy, for the color concentration range of 0-255, and for the tennis court It is said that the area with similar color density is either large, for example, the field is small, such as tennis, so that by setting an area range, all the collections within the area can be collected, that is, The image of the athlete.
- a specific embodiment of the present invention further provides a control system for a tennis ball machine, as shown in FIG. 2, the system includes:
- a shooting unit 201 configured to take a photo of the training venue
- the matching unit 202 is configured to perform image processing on the photo to obtain an angle between the image of the person and the center position of the image;
- the adjusting unit 203 is configured to adjust an emission angle of the next tennis ball according to the angle.
- the comparing unit 202 is specifically configured to identify a color density of each pixel of the image, and collect each pixel point with a similar color density to find an area in the set within the set area. A collection, which combines the positions of the collection into a character image.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Image Processing (AREA)
Abstract
A control method for a tennis ball machine, comprising: 101, capturing photographs of a training court; 102, image processing the photographs to acquire the angle between an image of a person and the position of the image center; and 103, adjusting, on the basis of the angle, the angle for launching the next tennis ball. Also disclosed is a control system for the tennis ball machine.
Description
网球发球机的控制方法及*** 技术领域 Tennis ball machine control method and system
[0001] 本发明属于体育用品领域， 尤其涉及一种网球发球机的控制方法及***。 [0001] The present invention belongs to the field of sporting goods, and in particular, to a method and system for controlling a tennis ball machine.
背景技术 Background technique
[0002] 网球发球机是属于网球训练吋一种常用的发球设备， 对于现有的设备来说， 其 仅仅就是一个自动发球机， 其没有根据运动员的位置进行相应的调整， 所以现 有的发球机基本无法达到相应的训练的目的。 [0002] The tennis ball machine is a commonly used ball-feeding device for tennis training. For the existing equipment, it is just an automatic ball machine, which does not adjust accordingly according to the position of the player, so the existing serve is The machine basically cannot achieve the purpose of the corresponding training.
技术问题 technical problem
[0003] 本发明实施例的目的在于提供一种网球发球机的控制方法， 旨在解决现有的技 术方案无法进行位置调整的问题。 [0003] An object of the embodiments of the present invention is to provide a method for controlling a tennis ball machine, which aims to solve the problem that the prior art solution cannot perform position adjustment.
问题的解决方案 Problem solution
技术解决方案 Technical solution
[0004] 一方面， 提供一种网球发球机的控制方法， 所述方法包括： [0004] In one aspect, a method for controlling a tennis ball machine is provided, the method comprising:
[0005] 101、 拍摄训练场地的照片； [0005] 101, photographing a training venue;
[0006] 102、 对照片进行图像处理， 获取人物图像与图片中心位置的角度； [0006] 102. Perform image processing on the photo to obtain an angle between the image of the person and the center position of the image;
[0007] 103、 依据该角度调整下个网球的发射角度。 [0007] 103. Adjust an emission angle of the next tennis ball according to the angle.
[0008] 可选的， 所述 103的实现方法具体为： [0008] Optionally, the implementation method of the 103 is specifically:
[0009] 计算图片中心与人物图像之间的角度 A， 发射角度=当前角度 +f*角度 A; 其中 [0009] Calculate the angle between the center of the picture and the image of the person A, the angle of emission = current angle + f * angle A;
， f为调整系数。 , f is the adjustment factor.
[0010] 可选的， 识别人物图像具体为： [0010] Optionally, the identifying the person image is specifically:
[0011] 识别图片每个像素点的色彩浓度， 将色彩浓度相近的每个像素点集合起来， 査 找出集合中面积在设定面积内的集合， 将该集合的位置组合起来即为人物图像 [0011] identifying a color density of each pixel of the picture, collecting each pixel point with a similar color density, and finding a set of the area in the set within the set area, and combining the positions of the set is a character image
[0012] 另一方面， 提供一种网球发球机的控制***， 所述***包括： [0012] In another aspect, a control system for a tennis ball machine is provided, the system comprising:
[0013] 拍摄单元， 用于拍摄训练场地的照片； [0013] a shooting unit, configured to take a photo of the training venue;
[0014] 比对单元， 用于对照片进行图像处理， 获取人物图像与图片中心位置的角度；
[0015] 调整单元， 用于依据该角度调整下个网球的发射角度。 [0014] a matching unit, configured to perform image processing on the photo, and obtain an angle between the image of the person and the center position of the image; [0015] an adjusting unit, configured to adjust an emission angle of the next tennis ball according to the angle.
[0016] 可选的， 所述调整单元， 具体用于计算图片中心与人物图像之间的角度 A， 发 射角度 =当前角度 +f*角度 A; 其中， f为调整系数。 [0016] Optionally, the adjusting unit is specifically configured to calculate an angle A between the center of the picture and the image of the person, and the transmission angle=the current angle +f*the angle A; where f is the adjustment coefficient.
[0017] 可选的， 所述比对单元， 具体用于识别图片每个像素点的色彩浓度， 将色彩浓 度相近的每个像素点集合起来， 査找出集合中面积在设定面积内的集合， 将该 集合的位置组合起来即为人物图像。 [0017] Optionally, the comparing unit is specifically configured to identify a color density of each pixel of the image, and collect each pixel point with a similar color density to find an area within the set within the set area. A collection, which combines the positions of the collection into a character image.
发明的有益效果 Advantageous effects of the invention
有益效果 Beneficial effect
[0018] 在本发明实施例中， 本发明提供的技术方案提供一种全新的网球发球机的控制 方法， 其通过对运动员的位置来调整发球的角度， 这样能够提供很好的互动， 所以其具有训练效果好的优点。 [0018] In the embodiment of the present invention, the technical solution provided by the present invention provides a novel control method for a tennis ball machine, which adjusts the angle of the serve by adjusting the position of the player, so that it can provide good interaction, so Has the advantage of good training effect.
对附图的简要说明 Brief description of the drawing
附图说明 DRAWINGS
[0019] 图 1为本发明提供的一种网球发球机的控制方法的流程图； 1 is a flow chart of a method for controlling a tennis ball machine according to the present invention;
[0020] 图 2为本发明提供的一种网球发球机的控制***的结构图。 2 is a structural diagram of a control system of a tennis ball machine according to the present invention.
实施该发明的最佳实施例 BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式 BEST MODE FOR CARRYING OUT THE INVENTION
[0021] 为了使本发明的目的、 技术方案及优点更加清楚明白， 以下结合附图及实施例 ， 对本发明进行进一步详细说明。 应当理解， 此处所描述的具体实施例仅仅用 以解释本发明， 并不用于限定本发明。 [0021] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
[0022] 本发明具体实施方式提供一种网球发球机的控制方法， 该方法如图 1所示， 包 括： [0022] A specific embodiment of the present invention provides a method for controlling a tennis ball machine. The method is as shown in FIG. 1 and includes:
[0023] 101、 拍摄训练场地的照片； [0023] 101, photographing a training venue;
[0024] 102、 对照片进行图像处理， 获取人物图像与图片中心位置的角度； [0024] 102. Perform image processing on the photo to obtain an angle between the image of the person and the center position of the image;
[0025] 103、 依据该角度调整下个网球的发射角度。 [0025] 103. Adjust an emission angle of the next tennis ball according to the angle.
[0026] 本发明提供的一种网球发球机的控制方法， 通过此方法比对运动员与图片中心 的位置来调整网球的发射角度， 这样增加了互动性， 提高了运动员的接球效率
[0027] 可选的， 上述 103的实现方法具体可以为： [0026] The present invention provides a method for controlling a tennis ball machine, by which the position of the player and the center of the picture is compared to adjust the launch angle of the tennis ball, thereby increasing the interaction and improving the catching efficiency of the player. [0027] Optionally, the implementation method of the foregoing 103 may be specifically:
[0028] 计算图片中心与人物图像之间的角度 A， 发射角度=当前角度 +f*角度 A; 其中 [0028] calculating an angle between the center of the picture and the image of the person A, emission angle = current angle + f * angle A;
， f为调整系数， 一般情况下为 0.05— 0.07之间。 , f is the adjustment factor, generally between 0.05 and 0.07.
[0029] 可选的， 上述识别人物图像的具体方法可以为： [0029] Optionally, the foregoing specific method for identifying a character image may be:
[0030] 识别图片每个像素点的色彩浓度， 将色彩浓度相近的每个像素点集合起来， 査 找出集合中面积在设定面积内的集合， 将该集合的位置组合起来即为人物图像 [0030] identifying a color density of each pixel of the picture, collecting each pixel point with a similar color density, and finding a set of the area in the set within the set area, and combining the positions of the set is a character image
[0031] 对于人来说， 其色彩浓度是差不多的， 尤其是人脸， 衣服， 浓度都是一定的， 这样组成的集合就非常容易， 对于色彩浓度 0-255的范围， 而对于网球场来说， 其具有相似色彩浓度的面积要么就很大， 例如， 场地， 要么就很小， 例如网球 ， 这样设定一个面积范围， 就可以将所有的在该面积范围内的集合集中起来， 即为运动员的图像。 [0031] For people, the color density is similar, especially the face, clothes, and concentration are certain, so the composition of the composition is very easy, for the color concentration range of 0-255, and for the tennis court It is said that the area with similar color density is either large, for example, the field is small, such as tennis, so that by setting an area range, all the collections within the area can be collected, that is, The image of the athlete.
[0032] 本发明具体实施方式还提供一种网球发球机的控制***， 该***如图 2所示， 包括： [0032] A specific embodiment of the present invention further provides a control system for a tennis ball machine, as shown in FIG. 2, the system includes:
[0033] 拍摄单元 201， 用于拍摄训练场地的照片； [0033] a shooting unit 201, configured to take a photo of the training venue;
[0034] 比对单元 202， 用于对照片进行图像处理， 获取人物图像与图片中心位置的角 度； [0034] the matching unit 202 is configured to perform image processing on the photo to obtain an angle between the image of the person and the center position of the image;
[0035] 调整单元 203， 用于依据该角度调整下个网球的发射角度。 [0035] The adjusting unit 203 is configured to adjust an emission angle of the next tennis ball according to the angle.
[0036] 可选的， 上述调整单元 203， 具体用于计算图片中心与人物图像之间的角度 A， 发射角度=当前角度 +f*角度 A; 其中， f为调整系数。 [0036] Optionally, the adjusting unit 203 is specifically configured to calculate an angle A between the center of the picture and the image of the person, and the emission angle=the current angle +f*the angle A; where f is the adjustment coefficient.
[0037] 可选的， 上述比对单元 202， 具体用于识别图片每个像素点的色彩浓度， 将色 彩浓度相近的每个像素点集合起来， 査找出集合中面积在设定面积内的集合， 将该集合的位置组合起来即为人物图像。 [0037] Optionally, the comparing unit 202 is specifically configured to identify a color density of each pixel of the image, and collect each pixel point with a similar color density to find an area in the set within the set area. A collection, which combines the positions of the collection into a character image.
[0038] 以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在本发明的 精神和原则之内所作的任何修改、 等同替换和改进等， 均应包含在本发明的保 护范围之内。
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. Within the scope of protection of the invention.
Claims
[权利要求 1] 一种网球发球机的控制方法， 其特征在于， 所述方法包括： [Claim 1] A method for controlling a tennis ball machine, the method comprising:
101、 拍摄训练场地的照片； 101. Photographing the training venue;
102、 对照片进行图像处理， 获取人物图像与图片中心位置的角度； 102. Perform image processing on the photo to obtain an angle between the image of the person and the center position of the image;
103、 依据该角度调整下个网球的发射角度。 103. Adjust the launch angle of the next tennis ball according to the angle.
[权利要求 2] 根据权利要求 1所述的方法， 其特征在于， 所述 103的实现方法具体为 计算图片中心与人物图像之间的角度 A， 发射角度=当前角度 +f*角度 A; 其中， f为调整系数。 [Claim 2] The method according to claim 1, wherein the implementation method of the 103 is specifically calculating an angle A between a picture center and a person image, and an emission angle=current angle+f* angle A; , f is the adjustment factor.
[权利要求 3] 根据权利要求 1所述的方法， 其特征在于， 识别人物图像具体为： 识别图片每个像素点的色彩浓度， 将色彩浓度相近的每个像素点集合 起来， 査找出集合中面积在设定面积内的集合， 将该集合的位置组合 起来即为人物图像。 [Claim 3] The method according to claim 1, wherein the identifying the person image is specifically: identifying a color density of each pixel of the picture, and collecting each pixel point with a similar color density to find the set A set of medium areas within a set area, and the positions of the sets are combined to form a character image.
[权利要求 4] 一种网球发球机的控制***， 其特征在于， 所述***包括： [Claim 4] A control system for a tennis ball machine, wherein the system comprises:
拍摄单元， 用于拍摄训练场地的照片； a shooting unit for taking photos of the training venue;
比对单元， 用于对照片进行图像处理， 获取人物图像与图片中心位置 的角度； The comparison unit is configured to perform image processing on the photo to obtain an angle between the image of the person and the center position of the picture;
调整单元， 用于依据该角度调整下个网球的发射角度。 The adjusting unit is configured to adjust the launch angle of the next tennis ball according to the angle.
[权利要求 5] 根据权利要求 4所述的***， 其特征在于， 所述调整单元， 具体用于 计算图片中心与人物图像之间的角度 A， 发射角度=当前角度 +f*角度[Claim 5] The system according to claim 4, wherein the adjusting unit is specifically configured to calculate an angle A between the center of the picture and the image of the person, the emission angle=the current angle +f* angle
A; 其中， f为调整系数。 A; where f is the adjustment factor.
[权利要求 6] 根据权利要求 4所述的***， 其特征在于， 所述比对单元， 具体用于 识别图片每个像素点的色彩浓度， 将色彩浓度相近的每个像素点集合 起来， 査找出集合中面积在设定面积内的集合， 将该集合的位置组合 起来即为人物图像。
[Claim 6] The system according to claim 4, wherein the comparison unit is specifically configured to identify a color density of each pixel of the picture, and collect each pixel point with a similar color density, and check Find the set of the area in the set within the set area, and combine the positions of the set to be the image of the person.
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| PCT/CN2015/083815 WO2017008214A1 (en) | 2015-07-10 | 2015-07-10 | Control method and system for tennis ball machine |
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| PCT/CN2015/083815 WO2017008214A1 (en) | 2015-07-10 | 2015-07-10 | Control method and system for tennis ball machine |
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| US20080200287A1 (en) * | 2007-01-10 | 2008-08-21 | Pillar Vision Corporation | Trajectory detection and feedfack system for tennis |
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