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基于视觉分析的自适应升降式投篮训练装置设计

Design of self-adaptive lifting training device for shooting based on visual analysis
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摘要 为解决传统投篮训练装置未针对身高较低的中小学生进行篮筐高度自适应设计,导致中小学生投篮训练的有效性过低的问题,设计了基于视觉分析的自适应升降式投篮训练装置。设计整体硬件并通过三维视觉分析方法对采集图像进行分析,建立视觉采集模块,其后对篮高升降进行自适应调整,最后利用专家系统完成指导,对不标准投篮动作与形体进行调整,完成对投篮动作的标准化处理,从而实现基于视觉分析的自适应升降式投篮训练装置设计。经验证,设计装置可准确确定适合投篮者的篮筐高度,提高动作的标准性。 Aiming at the problem that the traditional shooting training device doesn’t design the basket height adaptively for the students with lower height,which results their basketball action can’t reach the standard and reduces their training enthusiasm,an adaptive lifting shooting training device based on visual analysis is designed.The whole hardware is designed,the collected image is analyzed by three-dimensional visual analysis method,and the visual acquisition module is established.Through the way of real-time dynamic video frame monitoring,the A/D converter is used to complete the digital to analog conversion of visual information,the mux101 program-controlled switch is used to output the three-dimensional visual image of shooting,process it through the DSP module,complete the coding in the data frame,and measure the shooting speed and the height of the players when they practice shooting.The data obtained from the measurement is transmitted to the single-chip microcomputer,and the data processing and calculation are completed by the single-chip microcomputer to determine the basket height,so as to realize the design of the self-adaptive lifting shooting training device.In this paper,the visual model of basketball shooting action is decomposed,the viewpoint switch motion equation of shooting action is established,the visual information is output,the expert system is used to complete the guidance,the nonstandard shooting action and body are adjusted,the standardized processing of shooting action is completed,the training of shooting is enhanced,and the shooting skills are improved.After verification,the design device can accurately determine the basket height suitable for the shooter and improve the action standard.
作者 薛峰 XUE Feng(Xianyang Vocational&Technical College,Xianyang Shanxi 712000,China)
出处 《自动化与仪器仪表》 2020年第12期124-127,132,共5页 Automation & Instrumentation
基金 咸阳职业技术学院教研课题:“互联网+体育”对高职学生体育行为的影响研究(No.2019JYC01)。
关键词 视觉分析 自适应 升降式 投篮训练装置 visual analysis adaptive lifting shooting training device
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