CN114495594A - Online sports adaptive training method and device - Google Patents

Online sports adaptive training method and device Download PDF

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CN114495594A
CN114495594A CN202111590605.7A CN202111590605A CN114495594A CN 114495594 A CN114495594 A CN 114495594A CN 202111590605 A CN202111590605 A CN 202111590605A CN 114495594 A CN114495594 A CN 114495594A
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刘东昌
刘禹
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Institute of Automation of Chinese Academy of Science
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Abstract

The invention provides a self-adaptive training method and a self-adaptive training device for an online sports item, wherein the method comprises the following steps: acquiring real-time video data and user sign data for guiding a trainer to train under a video; judging the training intensity according to the real-time video data and the user sign data, and determining the training intensity of the trainer; and adjusting the training intensity of the guide video according to the training intensity of the trainer and the preset training intensity. The invention can adjust the exercise intensity according to the exercise state of the user by judging the exercise state of the user training in real time so as to achieve the purpose of personalized exercise.

Description

线上体育项目自适应训练方法和装置Online sports adaptive training method and device

技术领域technical field

本发明涉及计算机技术领域,尤其涉及一种线上体育项目自适应训练方法和装置。The invention relates to the field of computer technology, and in particular, to a method and device for adaptive training of online sports items.

背景技术Background technique

突如其来的新冠疫情对社会各个方面产生了深远影响,许多聚集性的体育类活动停办,家庭中个体锻炼越来越收到人们的追捧,同时,家庭背景下的个人运动类相关产品和应用也纷纷出现。在各种运动类APP中,绝大部分通过在线的方式对用户进行远程的在线指导或课程、产品的推销。特别是在后疫情时代,人们已经逐渐适应了网络学习这种方式。得益于5G技术和人工智能技术的迅速发展,使得越来越多的用户通过在线视频直播教学的模式进行学习。同时,随着现在智能穿戴设备的普及,越来越多的用户使用了电子设备采集人体的各种健康数据进行采集。The sudden new crown epidemic has had a profound impact on all aspects of society. Many gathering sports activities have been suspended, and individual exercise in the family has become more and more sought after by people. At the same time, personal sports related products and applications in the family background have also been Appear. Among various sports APPs, most of them provide users with remote online guidance or sales of courses and products through online methods. Especially in the post-epidemic era, people have gradually adapted to the method of online learning. Thanks to the rapid development of 5G technology and artificial intelligence technology, more and more users are learning through online video live teaching. At the same time, with the popularity of smart wearable devices, more and more users use electronic devices to collect various health data of the human body.

虽然远程运动指导实现了人与人的物理隔离,一定程度上满足了人们的需求,但是其锻炼的个性化问题以及锻炼效果评估问题也逐渐突出。首先,远程运动指导以录制的视频课或者一对多的远程直播为主,难以了解每个用户(学员)的状态并且进行个性化的调整;其次,远程模式下,用户的学习状态以及教师的教学效果难以收集,锻炼的最终效果无法保证。在上述背景下利用新的智能识别技术解决个性化指导和锻炼评估反馈问题成为新的产品需求。目前主流的在线锻炼指导除了采用一对一远程的方式外,无法解决个性化锻炼指导的问题,而一对一的指导代价会很高。Although remote exercise guidance realizes the physical isolation of people and meets people's needs to a certain extent, the problems of individualized exercise and exercise effect evaluation have gradually become prominent. First, the remote exercise guidance is mainly based on recorded video lessons or one-to-many remote live broadcasts, which makes it difficult to understand the status of each user (student) and make individual adjustments; The teaching effect is difficult to collect, and the final effect of the exercise cannot be guaranteed. Under the above background, the use of new intelligent recognition technology to solve the problem of personalized guidance and exercise evaluation feedback has become a new product demand. Except for the one-to-one remote method, the current mainstream online exercise guidance cannot solve the problem of personalized exercise guidance, and the one-to-one guidance will be very expensive.

发明内容SUMMARY OF THE INVENTION

本发明提供一种线上体育项目自适应训练方法和装置,用以解决现有技术中无法提供个性化训练方法的缺陷,实现根据用户的运动状态对运动强度进行调节以达到个性化锻炼的目的。The present invention provides an adaptive training method and device for online sports items, which are used to solve the defect that individualized training methods cannot be provided in the prior art, and realize the purpose of adjusting the exercise intensity according to the exercise state of the user to achieve the purpose of individualized exercise. .

第一方面,本发明提供一种线上体育项目自适应训练方法,包括:In a first aspect, the present invention provides an online sports adaptive training method, comprising:

获取指导视频下训练者训练的实时视频数据和用户体征数据;Obtain the real-time video data and user sign data of the trainer's training under the guidance video;

根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度;Judging the training intensity according to the real-time video data and the user sign data, and determining the training intensity of the trainer;

根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。The training intensity of the instruction video is adjusted according to the training intensity of the trainer and a preset training intensity.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,在训练者训练结束之后,根据收集的训练者在训练期间的指导视频数据和用户体征数据进行运动效果打分。Further, according to an online sports adaptive training method provided by the present invention, after the trainer finishes training, the exercise effect is scored according to the collected training video data and user sign data of the trainer during the training.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,所述根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度,具体包括:Further, according to an online sports adaptive training method provided by the present invention, wherein the training intensity judgment is performed according to the real-time video data and the user sign data to determine the training intensity of the trainer, which specifically includes: :

根据所述实时视频数据确定训练者的实时动作频率;Determine the real-time action frequency of the trainer according to the real-time video data;

根据所述用户体征数据确定训练者的运动负荷指标;Determine the exercise load index of the trainer according to the user sign data;

根据所述实时动作频率和所述运动负荷指标确定所述训练者的训练强度。The training intensity of the trainer is determined according to the real-time action frequency and the exercise load index.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节,具体包括:Further, according to an online sports adaptive training method provided by the present invention, the training intensity of the instruction video is adjusted according to the training intensity of the trainer and a preset training intensity, which specifically includes:

若所述训练者的训练强度比预设的训练强度低,则提高指导视频的训练强度;If the training intensity of the trainer is lower than the preset training intensity, increasing the training intensity of the instruction video;

若所述训练者的训练强度比预设的训练强度高,则降低指导视频的训练强度;If the training intensity of the trainer is higher than the preset training intensity, reducing the training intensity of the instruction video;

若所述训练者的训练强度与预设的训练强度相同,则维持指导视频的训练强度。If the training intensity of the trainer is the same as the preset training intensity, the training intensity of the instruction video is maintained.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,指导视频包括音频和视频,所述提高指导视频的训练强度,具体包括:Further, according to a kind of online sports adaptive training method provided by the present invention, wherein, the guidance video includes audio and video, and the improving the training intensity of the guidance video specifically includes:

将所述音频进行加速播放,得到加速后的音频;Accelerating the playback of the audio to obtain the accelerated audio;

对衔接的所述视频进行抽帧减少组间的时间间隔、对循环动作视频进行加速播放或者增加循环动作视频的循环次数,得到加速后的视频;Performing frame drawing on the connected video to reduce the time interval between groups, accelerating the playback of the loop action video or increasing the number of loops of the loop action video to obtain the accelerated video;

将所述加速后的音频和所述加速后的视频进行时间线对齐,得到训练强度加强后的视频。The accelerated audio and the accelerated video are time-line aligned to obtain a video with enhanced training intensity.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,指导视频包括音频和视频,所述提高指导视频的训练强度,具体包括:Further, according to a kind of online sports adaptive training method provided by the present invention, wherein, the guidance video includes audio and video, and the improving the training intensity of the guidance video specifically includes:

将所述音频进行减速播放,得到减速后的音频;decelerating the audio to obtain the decelerated audio;

对衔接的所述视频进行插帧增加帧间的时间间隔、对循环动作视频进行减速播放或者减少循环动作视频的循环次数,得到减速后的视频;Inserting frames on the connected videos increases the time interval between frames, slowing down the loop action video or reducing the number of loops of the loop action video to obtain a decelerated video;

将所述减速后的音频和所述减速后的视频进行时间线对齐,得到训练强度降低后的视频。The time line of the decelerated audio and the decelerated video are aligned to obtain a video with a reduced training intensity.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,所述根据所述实时视频数据确定训练者的实时动作频率,具体包括:Further, according to an online sports adaptive training method provided by the present invention, the determining the real-time action frequency of the trainer according to the real-time video data specifically includes:

获取实时视频数据中训练者的每个目标动作;Obtain each target action of the trainer in the real-time video data;

确定所述每个目标动作所述实时视频中的起止帧;Determine the start and end frames in the real-time video of each target action;

根据所述起止帧确定所述训练者的动作频率。The exercise frequency of the trainer is determined according to the start and end frames.

第二方面,本发明提供一种线上体育项目自适应训练装置,包括:In a second aspect, the present invention provides an online sports adaptive training device, comprising:

数据获取模块,用于获取指导视频下训练者训练的实时视频数据和用户体征数据;The data acquisition module is used to acquire the real-time video data and user sign data of the trainer training under the guidance video;

强度确定模块,用于根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度;an intensity determination module, configured to judge the training intensity according to the real-time video data and the user sign data, and determine the training intensity of the trainer;

强度调节模块,用于根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。An intensity adjustment module, configured to adjust the training intensity of the instruction video according to the training intensity of the trainer and a preset training intensity.

第三方面,本发明还提供一种电子设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述程序时实现如上述任一种所述线上体育项目自适应训练方法的步骤。In a third aspect, the present invention also provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, when the processor executes the program, the processor implements any of the above The steps of the above-mentioned adaptive training method for online sports.

第四方面,本发明还提供一种非暂态计算机可读存储介质,其上存储有计算机程序,该计算机程序被处理器执行时实现如上述任一种所述线上体育项目自适应训练方法的步骤。In a fourth aspect, the present invention also provides a non-transitory computer-readable storage medium on which a computer program is stored, and when the computer program is executed by the processor, implements any of the above-mentioned online sports adaptive training methods A step of.

本发明提供的一种线上体育项目自适应训练方法和装置,通过获取指导视频下训练者训练的实时视频数据和用户体征数据;进而,基于获取的视频数据和用户体征数据确定所述训练者的训练强度;将获取的训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。本发明通过对用户训练的运动状态进行实时判断,根据用户的运动状态对运动强度进行调节以达到个性化锻炼的目的。The present invention provides an online sports adaptive training method and device, by acquiring real-time video data and user sign data that guide trainers to train under video; further, determining the trainer based on the acquired video data and user sign data The training intensity of the instruction video is adjusted by the obtained training intensity of the trainer and the preset training intensity. The present invention realizes the purpose of personalized exercise by judging the exercise state of the user training in real time, and adjusting the exercise intensity according to the exercise state of the user.

附图说明Description of drawings

为了更清楚地说明本发明或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍,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。In order to explain the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are the For some embodiments of the invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

图1是本发明提供的线上体育项目自适应训练方法的流程示意图之一;Fig. 1 is one of the schematic flow charts of the online sports adaptive training method provided by the present invention;

图2是本发明提供的线上体育项目自适应训练方法的流程示意图之二;Fig. 2 is the second schematic flow chart of the online sports adaptive training method provided by the present invention;

图3是本发明提供的线上体育项目自适应训练方法的用户锻炼效果分析评估流程示意图;Fig. 3 is the user's exercise effect analysis and evaluation flow schematic diagram of the online sports adaptive training method provided by the present invention;

图4是本发明提供的线上体育项目自适应训练方法的实时锻炼强度反馈评估方法流程图;Fig. 4 is the flow chart of the real-time exercise intensity feedback evaluation method of the online sports adaptive training method provided by the present invention;

图5是本发明提供的线上体育项目自适应训练方法的锻炼强度在线自适应调节方法流程图;Fig. 5 is the flow chart of the exercise intensity online adaptive adjustment method of the online sports adaptive training method provided by the present invention;

图6是本发明提供的线上体育项目自适应训练装置的结构示意图;6 is a schematic structural diagram of an online sports adaptive training device provided by the present invention;

图7是本发明提供的电子设备的结构示意图。FIG. 7 is a schematic structural diagram of an electronic device provided by the present invention.

具体实施方式Detailed ways

为使本发明的目的、技术方案和优点更加清楚,下面将结合本发明中的附图,对本发明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。In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

下面结合图1-图2描述本发明的本发明提供一种线上体育项目自适应训练方法,包括:Below in conjunction with Fig. 1-Fig. 2, the present invention provides an online sports adaptive training method, including:

步骤100:获取指导视频下训练者训练的实时视频数据和用户体征数据;Step 100: Obtain real-time video data and user sign data for training by the trainer under the guidance video;

具体地,在本发明中训练者是跟随指导视频一起进行训练,因此在对训练者的训练状态进行判定时,需要获取训练者的实时训练数据和用户的实时体征数据。其中实时训练数据是通过获取训练者的实时视频数据得到,而用户体征数据是通过获取用户的心率等生理特征指标得到。在本发明中无论是指导视频还是获取训练者训练的实时既可以是普通的画面视频,也可是带有深度信息的视频即视频画面为rgdb数据或点云数据,另外其他类型的视频画面本发明也不予以限制。Specifically, in the present invention, the trainer follows the instructional video to train, so when judging the trainer's training state, the trainer's real-time training data and the user's real-time sign data need to be acquired. The real-time training data is obtained by acquiring the real-time video data of the trainer, and the user's sign data is obtained by acquiring the physiological characteristic indicators such as the user's heart rate. In the present invention, whether it is the instruction video or the real-time acquisition of the training of the trainer, it can be either an ordinary picture video, or a video with depth information, that is, the video picture is rgdb data or point cloud data, and other types of video pictures of the present invention Nor is it restricted.

步骤200:根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度;Step 200: Judging the training intensity according to the real-time video data and the user sign data, and determining the training intensity of the trainer;

具体地,在本发明中,如图2所示,在获取训练者的实时视频数据和用户体征数据之后,根据这两个指标对训练者的运动强度进行判断,从而获取训练者实时的运动状态。Specifically, in the present invention, as shown in FIG. 2 , after obtaining the real-time video data and user sign data of the trainer, the exercise intensity of the trainer is judged according to these two indicators, so as to obtain the real-time exercise state of the trainer. .

步骤300:根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。Step 300: Adjust the training intensity of the instruction video according to the training intensity of the trainer and a preset training intensity.

具体地,如图2所示,用户在当前锻炼中的强度是否满足预定义的强度要求,如果强度不满足要求,则通过锻炼强度在线调节模块对锻炼强度进行实时的调节。而在本发明中,强度调节是通过改变指导视频的动作组数、组间间隔、动作频率三个方面指标来实现的。Specifically, as shown in FIG. 2 , whether the intensity of the user's current exercise meets the predefined intensity requirements, if the intensity does not meet the requirements, the exercise intensity is adjusted in real time through the exercise intensity online adjustment module. In the present invention, the intensity adjustment is realized by changing three indicators of the number of action groups, the interval between groups, and the action frequency of the instruction video.

本发明提供的一种线上体育项目自适应训练方法,通过获取指导视频下训练者训练的实时视频数据和用户体征数据;进而,基于获取的视频数据和用户体征数据确定所述训练者的训练强度;将获取的训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。本发明通过对用户训练的运动状态进行实时判断,根据用户的运动状态对运动强度进行调节以达到个性化锻炼的目的。An online sports adaptive training method provided by the present invention is obtained by acquiring real-time video data and user sign data that guide the trainer to train under the video; furthermore, the training of the trainer is determined based on the acquired video data and user sign data. Intensity: The training intensity of the instruction video is adjusted by the obtained training intensity of the trainer and the preset training intensity. The present invention realizes the purpose of personalized exercise by judging the exercise state of the user training in real time, and adjusting the exercise intensity according to the exercise state of the user.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,在训练者训练结束之后,根据收集的训练者在训练期间的指导视频数据和用户体征数据进行运动效果打分。Further, according to an online sports adaptive training method provided by the present invention, after the trainer finishes training, the exercise effect is scored according to the collected training video data and user sign data of the trainer during the training.

具体地,结合图3所示,运动者佩戴穿戴设备在视频指导下进行锻炼期间收集了锻炼视频、用户体征数据以及以视频和体征数据为基础计算的中间数据,如:通过视频分析得出用户实际运动动作的次数和频率,利用心率/血氧曲线计算用户的心肺指数的指标。最后,还有指导视频的强度以及实际锻炼中的强度数据作为参考。用户的锻炼效果分为两个方面进行评估:1)指标符合程度评估,包括:锻炼组数、每组的动作数目、运动强度等级、运动各阶段的心率和血氧曲线的符合程度,根据专家知识赋予不同指标相应的权重,计算得分;2)精细化分析用户锻炼效果评估,需要利用视频分析用户锻炼的每个动作的类别,以及同标准动作的符合程度(通过锻炼视频和标准指导视频的动作对比可得到骨骼框架的对应角度和身体离地面的估计高度等),每个动作赋予不同的分值。最后指标符合评分和精细化分析评分进行加权和归一化,形成用户本次锻炼最终的评价分析报告。Specifically, as shown in FIG. 3 , the athlete collects exercise videos, user sign data and intermediate data calculated on the basis of the video and sign data during the exercise under video guidance while wearing the wearable device. The number and frequency of actual exercise actions, and the heart rate/blood oxygen curve is used to calculate the index of the user's cardiorespiratory index. Finally, there is the intensity of the instructional video as well as the intensity data from the actual workout as a reference. The user's exercise effect is evaluated in two aspects: 1) The index conformity evaluation, including: the number of exercise groups, the number of movements in each group, the exercise intensity level, the conformity of the heart rate and blood oxygen curve at each stage of exercise, according to experts Knowledge assigns corresponding weights to different indicators, and calculates the score; 2) Refinement analysis of user exercise effect evaluation, it is necessary to use video to analyze the category of each action exercised by the user, as well as the degree of compliance with the same standard action (through the exercise video and the standard instruction video. The action comparison can obtain the corresponding angle of the skeleton frame and the estimated height of the body from the ground, etc.), and each action is assigned a different score. The final index conforming score and refined analysis score are weighted and normalized to form the final evaluation and analysis report of the user's exercise.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,所述根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度,具体包括:Further, according to an online sports adaptive training method provided by the present invention, wherein the training intensity judgment is performed according to the real-time video data and the user sign data to determine the training intensity of the trainer, which specifically includes: :

根据所述实时视频数据确定训练者的实时动作频率;Determine the real-time action frequency of the trainer according to the real-time video data;

根据所述用户体征数据确定训练者的运动负荷指标;Determine the exercise load index of the trainer according to the user sign data;

根据所述实时动作频率和所述运动负荷指标确定所述训练者的训练强度。The training intensity of the trainer is determined according to the real-time action frequency and the exercise load index.

具体地,根据本发明提供的一种线上体育项目自适应训练方法,其中,所述根据所述实时视频数据确定训练者的实时动作频率,具体包括:获取实时视频数据中训练者的每个目标动作,确定所述每个目标动作所述实时视频中的起止帧;根据所述起止帧确定所述训练者的动作频率。Specifically, according to an online sports adaptive training method provided by the present invention, the determining the real-time action frequency of the trainer according to the real-time video data specifically includes: acquiring each of the trainers in the real-time video data. target action, determine the start and end frames in the real-time video of each target action; determine the exercise frequency of the trainer according to the start and end frames.

结合图4所示,锻炼者在与指导视频同步锻炼的过程中,会实时采集锻炼视频和用户体征数据,在本技术方案中,体征数据包括心率和血氧。通过open-pose类似的卷积神经网络(CNN)模型对锻炼视频进行分析可以得到人体骨骼关键点组成的骨架序列,然后通过循环神经网络(RNN)模型识别出视频中用户目标动作,并进一步确定用户每个动作的起止帧,从而得到用户在指导视频引导下实际的动作频率。另一方面,利用穿戴设备采集的心率和血氧曲线,可以计算出用户实时的运动负荷指标,如:心率均值、运动强度、血氧均值、血氧含量变化范围等。目标动作实时频率和运动负荷在逻辑回归模型的帮助下,得到用户实时锻炼强度。本发明技术方案中将实时锻炼强度分为1~6级,数字越大代表强度越高。实时的锻炼强度等级评估结果最终会反馈到锻炼强度调节模块,进行锻炼的强度的实时在线调节,调节是通过实时合成指导视频的频率来进行的,具体细节描述包含在对锻炼强度调节模块的论述中。With reference to FIG. 4 , during the process of exercising synchronously with the instruction video, the exerciser will collect exercise video and user sign data in real time. In this technical solution, the sign data includes heart rate and blood oxygen. The skeleton sequence composed of the key points of human skeleton can be obtained by analyzing the exercise video through the similar convolutional neural network (CNN) model of open-pose, and then the user's target action in the video can be identified through the recurrent neural network (RNN) model, and further determined The start and end frames of each action of the user, so as to obtain the actual action frequency of the user under the guidance of the guidance video. On the other hand, using the heart rate and blood oxygen curve collected by the wearable device, the user's real-time exercise load indicators can be calculated, such as: average heart rate, exercise intensity, blood oxygen average, and blood oxygen content variation range. With the help of logistic regression model, the real-time frequency of target action and exercise load are used to obtain the user's real-time exercise intensity. In the technical solution of the present invention, the real-time exercise intensity is divided into 1-6 grades, and the larger the number, the higher the intensity. The real-time exercise intensity level evaluation results will eventually be fed back to the exercise intensity adjustment module, and the real-time online adjustment of exercise intensity is carried out. The adjustment is carried out by synthesizing the frequency of the guidance video in real time. The detailed description is included in the discussion of the exercise intensity adjustment module. middle.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节,具体包括:Further, according to an online sports adaptive training method provided by the present invention, the training intensity of the instruction video is adjusted according to the training intensity of the trainer and a preset training intensity, which specifically includes:

若所述训练者的训练强度比预设的训练强度低,则提高指导视频的训练强度;If the training intensity of the trainer is lower than the preset training intensity, increasing the training intensity of the instruction video;

若所述训练者的训练强度比预设的训练强度高,则降低指导视频的训练强度;If the training intensity of the trainer is higher than the preset training intensity, reducing the training intensity of the instruction video;

若所述训练者的训练强度与预设的训练强度相同,则维持指导视频的训练强度。If the training intensity of the trainer is the same as the preset training intensity, the training intensity of the instruction video is maintained.

具体地,结合图5所示,锻炼过程中用户锻炼强度评估会实时反馈用户的锻炼强度等级(1~6级),反馈等级和预设值的锻炼等级相比较,如果相同则继续锻炼,否则根据等级差别进行运动强度的在线调节。具体的方式为若所述训练者的训练强度比预设的训练强度低,则提高指导视频的训练强度;若所述训练者的训练强度比预设的训练强度高,则降低指导视频的训练强度。Specifically, as shown in FIG. 5 , the user's exercise intensity assessment will feedback the user's exercise intensity level (levels 1 to 6) in real time during the exercise process, and the feedback level is compared with the preset exercise level. If they are the same, continue exercising, otherwise Online adjustment of exercise intensity is carried out according to the level difference. Specifically, if the training intensity of the trainer is lower than the preset training intensity, the training intensity of the instruction video is increased; if the training intensity of the trainer is higher than the preset training intensity, the training intensity of the instruction video is reduced. strength.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,指导视频包括音频和视频,所述提高指导视频的训练强度,具体包括:Further, according to a kind of online sports adaptive training method provided by the present invention, wherein, the guidance video includes audio and video, and the improving the training intensity of the guidance video specifically includes:

将所述音频进行加速播放,得到加速后的音频;Accelerating the playback of the audio to obtain the accelerated audio;

对衔接的所述视频进行抽帧减少组间的时间间隔、对循环动作视频进行加速播放或者增加循环动作视频的循环次数,得到加速后的视频;Performing frame drawing on the connected video to reduce the time interval between groups, accelerating the playback of the loop action video or increasing the number of loops of the loop action video to obtain the accelerated video;

将所述加速后的音频和所述加速后的视频进行时间线对齐,得到训练强度加强后的视频。The accelerated audio and the accelerated video are time-line aligned to obtain a video with enhanced training intensity.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,指导视频包括音频和视频,所述提高指导视频的训练强度,具体包括:Further, according to a kind of online sports adaptive training method provided by the present invention, wherein, the guidance video includes audio and video, and the improving the training intensity of the guidance video specifically includes:

将所述音频进行减速播放,得到减速后的音频;decelerating the audio to obtain the decelerated audio;

对衔接的所述视频进行插帧增加帧间的时间间隔、对循环动作视频进行减速播放或者减少循环动作视频的循环次数,得到减速后的视频;Inserting frames on the connected videos increases the time interval between frames, slowing down the loop action video or reducing the number of loops of the loop action video to obtain a decelerated video;

将所述减速后的音频和所述减速后的视频进行时间线对齐,得到训练强度降低后的视频。The time line of the decelerated audio and the decelerated video are aligned to obtain a video with a reduced training intensity.

具体地,通过对指导视频进行合成而达到运动强度调节的目标。指导视频由音频和视频组成,而视频是通过衔接视频和循环动作连接而成。在调节过程中,如果想要把运动强度调高,需要将音频的播放速度加快,同时,对衔接视频进行抽帧减少组间的时间间隔,对循环动作视频进行加速播放,当然,也可以通过增加循环动作视频的循环次数使得指导视频的动作组数增加。最后,音频与视频进行时间线对齐,并进行在线合成播放。与之相反,如果想要把运动强度降低,需要将音频的播放速度减慢,对衔接视频进插帧并增加组间的时间间隔,或者对循环动作视频进行减速播放。同样,也可以通过减少循环动作视频的循环次数使得指导视频的动作组数减少。最后,音频与视频进行时间线对对齐,合成指导视频后进行在线播放。Specifically, the goal of exercise intensity adjustment is achieved by synthesizing the guidance videos. Instructional video consists of audio and video, and video is connected by connecting video and looping actions. During the adjustment process, if you want to increase the exercise intensity, you need to speed up the playback speed of the audio. At the same time, frame the connected video to reduce the time interval between groups, and accelerate the playback of the loop action video. Of course, you can also use Increasing the number of loops in the looping action video increases the number of action sets in the instructional video. Finally, the audio and video are time-aligned and played back online. Conversely, if you want to reduce the intensity of the exercise, you need to slow down the audio playback speed, interpolate the connecting video and increase the time interval between groups, or slow down the playback of the looping action video. Similarly, the number of action groups in the instructional video can be reduced by reducing the number of loops of the looping action video. Finally, the audio and video are aligned on the timeline, and the guidance video is synthesized and played online.

结合图6所示,本发明提供一种线上体育项目自适应训练装置,包括:6, the present invention provides an online sports adaptive training device, including:

数据获取模块61,用于获取指导视频下训练者训练的实时视频数据和用户体征数据;The data acquisition module 61 is used to acquire the real-time video data and user sign data of the trainer training under the guidance video;

强度确定模块62,用于根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度;an intensity determination module 62, configured to judge the training intensity according to the real-time video data and the user sign data, and determine the training intensity of the trainer;

强度调节模块63,用于根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。The intensity adjustment module 63 is configured to adjust the training intensity of the instruction video according to the training intensity of the trainer and a preset training intensity.

由于本发明实施例提供的装置,可以用于执行上述实施例所述的方法,其工作原理和有益效果类似,故此处不再详述,具体内容可参见上述实施例的介绍。Since the apparatuses provided in the embodiments of the present invention can be used to execute the methods described in the foregoing embodiments, the working principles and beneficial effects thereof are similar, so they are not described in detail here. For details, refer to the descriptions of the foregoing embodiments.

本发明提供的一种线上体育项目自适应训练方法,通过获取指导视频下训练者训练的实时视频数据和用户体征数据;进而,基于获取的视频数据和用户体征数据确定所述训练者的训练强度;将获取的训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。本发明通过对用户训练的运动状态进行实时判断,根据用户的运动状态对运动强度进行调节以达到个性化锻炼的目的。An online sports adaptive training method provided by the present invention is obtained by acquiring real-time video data and user sign data that guide the trainer's training under the video; furthermore, the training of the trainer is determined based on the acquired video data and user sign data. Intensity: The training intensity of the instruction video is adjusted by the obtained training intensity of the trainer and the preset training intensity. The present invention realizes the purpose of personalized exercise by judging the exercise state of the user training in real time, and adjusting the exercise intensity according to the exercise state of the user.

进一步,根据本发明提供的一种线上体育项目自适应训练装置,其中,还包括评估模块,所述评估模块用于:在训练者训练结束之后,根据收集的训练者在训练期间的指导视频数据和用户体征数据进行运动效果打分。Further, according to an online sports adaptive training device provided by the present invention, it further includes an evaluation module, and the evaluation module is used for: after the trainer finishes training, according to the collected training video of the trainer during the training The data and user sign data are used for sports effect scoring.

进一步,根据本发明提供的一种线上体育项目自适应训练装置,其中,所述强度确定模块62,具体用于:Further, according to an online sports adaptive training device provided by the present invention, the intensity determination module 62 is specifically used for:

根据所述实时视频数据确定训练者的实时动作频率;Determine the real-time action frequency of the trainer according to the real-time video data;

根据所述用户体征数据确定训练者的运动负荷指标;Determine the exercise load index of the trainer according to the user sign data;

根据所述实时动作频率和所述运动负荷指标确定所述训练者的训练强度。The training intensity of the trainer is determined according to the real-time action frequency and the exercise load index.

进一步,根据本发明提供的一种线上体育项目自适应训练装置,其中,强度调节模块63,具体用于:Further, according to an online sports adaptive training device provided by the present invention, the intensity adjustment module 63 is specifically used for:

若所述训练者的训练强度比预设的训练强度低,则提高指导视频的训练强度;If the training intensity of the trainer is lower than the preset training intensity, increasing the training intensity of the instruction video;

若所述训练者的训练强度比预设的训练强度高,则降低指导视频的训练强度;If the training intensity of the trainer is higher than the preset training intensity, reducing the training intensity of the instruction video;

若所述训练者的训练强度与预设的训练强度相同,则维持指导视频的训练强度。If the training intensity of the trainer is the same as the preset training intensity, the training intensity of the instruction video is maintained.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,指导视频包括音频和视频,强度调节模块63,具体用于:Further, according to a kind of online sports adaptive training method provided by the present invention, wherein, the instruction video includes audio and video, and the intensity adjustment module 63 is specifically used for:

将所述音频进行加速播放,得到加速后的音频;Accelerating the playback of the audio to obtain the accelerated audio;

对衔接的所述视频进行抽帧减少组间的时间间隔、对循环动作视频进行加速播放或者增加循环动作视频的循环次数,得到加速后的视频;Performing frame drawing on the connected video to reduce the time interval between groups, accelerating the playback of the loop action video or increasing the number of loops of the loop action video to obtain the accelerated video;

将所述加速后的音频和所述加速后的视频进行时间线对齐,得到训练强度加强后的视频。The accelerated audio and the accelerated video are time-line aligned to obtain a video with enhanced training intensity.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,指导视频包括音频和视频,强度调节模块63,具体用于:Further, according to a kind of online sports adaptive training method provided by the present invention, wherein, the instruction video includes audio and video, and the intensity adjustment module 63 is specifically used for:

将所述音频进行减速播放,得到减速后的音频;decelerating the audio to obtain the decelerated audio;

对衔接的所述视频进行插帧增加帧间的时间间隔、对循环动作视频进行减速播放或者减少循环动作视频的循环次数,得到减速后的视频;Inserting frames on the connected videos increases the time interval between frames, slowing down the loop action video or reducing the number of loops of the loop action video to obtain a decelerated video;

将所述减速后的音频和所述减速后的视频进行时间线对齐,得到训练强度降低后的视频。The time line of the decelerated audio and the decelerated video are aligned to obtain a video with a reduced training intensity.

进一步,根据本发明提供的一种线上体育项目自适应训练方法,其中,所述强度确定模块62,具体用于:Further, according to an online sports adaptive training method provided by the present invention, the intensity determination module 62 is specifically used for:

获取实时视频数据中训练者的每个目标动作;Obtain each target action of the trainer in the real-time video data;

确定所述每个目标动作所述实时视频中的起止帧;Determine the start and end frames in the real-time video of each target action;

根据所述起止帧确定所述训练者的动作频率。The exercise frequency of the trainer is determined according to the start and end frames.

图7示例了一种电子设备的实体结构示意图,如图7所示,该电子设备可以包括:处理器(processor)710、通信接口(Communications Interface)720、存储器(memory)730和通信总线740,其中,处理器710,通信接口720,存储器730通过通信总线740完成相互间的通信。处理器710可以调用存储器730中的逻辑指令,以执行一种线上体育项目自适应训练方法,该方法包括:获取指导视频下训练者训练的实时视频数据和用户体征数据;根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度;根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。FIG. 7 illustrates a schematic diagram of the physical structure of an electronic device. As shown in FIG. 7 , the electronic device may include: a processor (processor) 710, a communication interface (Communications Interface) 720, a memory (memory) 730 and a communication bus 740, The processor 710 , the communication interface 720 , and the memory 730 communicate with each other through the communication bus 740 . The processor 710 can call the logic instructions in the memory 730 to execute an adaptive training method for online sports, the method includes: acquiring real-time video data and user sign data for training a trainer under the guidance video; according to the real-time video The data and the user sign data are used to judge the training intensity to determine the training intensity of the trainer; the training intensity of the instruction video is adjusted according to the training intensity of the trainer and a preset training intensity.

此外,上述的存储器730中的逻辑指令可以通过软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。In addition, the above-mentioned logic instructions in the memory 730 can be implemented in the form of software functional units and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on such understanding, the technical solution of the present invention can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution. The computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, Read-Only Memory (ROM, Read-Only Memory), Random Access Memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes .

另一方面,本发明还提供一种计算机程序产品,所述计算机程序产品包括存储在非暂态计算机可读存储介质上的计算机程序,所述计算机程序包括程序指令,当所述程序指令被计算机执行时,计算机能够执行上述各方法所提供的一种线上体育项目自适应训练方法,该方法包括:获取指导视频下训练者训练的实时视频数据和用户体征数据;根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度;根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。In another aspect, the present invention also provides a computer program product, the computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer During execution, the computer can execute an online sports adaptive training method provided by the above methods, the method comprising: obtaining real-time video data and user sign data for training trainers under the guidance video; The user sign data is used to judge the training intensity to determine the training intensity of the trainer; the training intensity of the instruction video is adjusted according to the training intensity of the trainer and a preset training intensity.

又一方面,本发明还提供一种非暂态计算机可读存储介质,其上存储有计算机程序,该计算机程序被处理器执行时实现以执行上述各提供的一种线上体育项目自适应训练方法,该方法包括:获取指导视频下训练者训练的实时视频数据和用户体征数据;根据所述实时视频数据和所述用户体征数据进行训练强度判断,确定所述训练者的训练强度;根据所述训练者的训练强度和预设的训练强度对所述指导视频的训练强度进行调节。In yet another aspect, the present invention also provides a non-transitory computer-readable storage medium on which a computer program is stored, and the computer program is implemented by a processor to execute an online sports adaptive training provided by each of the above. The method includes: acquiring real-time video data and user sign data for guiding a trainer to train under a video; judging the training intensity according to the real-time video data and the user sign data, and determining the training intensity of the trainer; The training intensity of the trainer and the preset training intensity are adjusted to the training intensity of the instruction video.

以上所描述的装置实施例仅仅是示意性的,其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下,即可以理解并实施。The device embodiments described above are only illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in One place, or it can be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment. Those of ordinary skill in the art can understand and implement it without creative effort.

通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到各实施方式可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件。基于这样的理解,上述技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品可以存储在计算机可读存储介质中,如ROM/RAM、磁碟、光盘等,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行各个实施例或者实施例的某些部分所述的方法。From the description of the above embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on this understanding, the above-mentioned technical solutions can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products can be stored in computer-readable storage media, such as ROM/RAM, magnetic A disc, an optical disc, etc., includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments or some parts of the embodiments.

最后应说明的是:以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An adaptive training method for online sports, comprising:
acquiring real-time video data and user sign data for guiding a trainer to train under a video;
judging the training intensity according to the real-time video data and the user sign data, and determining the training intensity of the trainer;
and adjusting the training intensity of the guide video according to the training intensity of the trainer and the preset training intensity.
2. The adaptive online sporting events training method of claim 1 wherein after training of the trainee is completed, a score is made for the effect of the sport based on the collected instructional video data and user vital sign data of the trainee during the training session.
3. The adaptive training method for online sports events according to claim 1, wherein the determining the training intensity of the trainer by performing the training intensity judgment according to the real-time video data and the user sign data specifically comprises:
determining the real-time action frequency of the trainer according to the real-time video data;
determining the exercise load index of the trainer according to the user sign data;
and determining the training intensity of the trainer according to the real-time action frequency and the exercise load index.
4. The adaptive online sporting event training method according to claim 1, wherein the adjusting of the training intensity of the guide video according to the training intensity of the trainer and the preset training intensity comprises:
if the training intensity of the trainer is lower than the preset training intensity, the training intensity of the guide video is improved;
if the training intensity of the trainer is higher than the preset training intensity, reducing the training intensity of the guide video;
and if the training intensity of the trainer is the same as the preset training intensity, maintaining the training intensity of the guide video.
5. The adaptive training method for online sports, according to claim 4, wherein the guide video includes audio and video, and the improving the training intensity of the guide video specifically includes:
accelerating the audio frequency to play to obtain an accelerated audio frequency;
performing frame extraction on the connected videos to reduce time intervals among groups, performing accelerated playing on the circular motion videos or increasing the circulating times of the circular motion videos to obtain accelerated videos;
and aligning the time lines of the accelerated audio and the accelerated video to obtain the video with strengthened training intensity.
6. The adaptive training method for online sports, according to claim 4, wherein the guide video includes audio and video, and the improving the training intensity of the guide video specifically includes:
carrying out deceleration playing on the audio to obtain decelerated audio;
inserting frames into the connected videos to increase inter-frame time intervals, and performing speed reduction playing on the circular motion videos or reducing the circulating times of the circular motion videos to obtain the speed-reduced videos;
and aligning the time lines of the decelerated audio and the decelerated video to obtain the video with reduced training intensity.
7. The adaptive online sporting event training method according to claim 3, wherein the determining the real-time action frequency of the trainer according to the real-time video data specifically comprises:
acquiring each target action of a trainer in real-time video data;
determining a start-stop frame in the real-time video of each target action;
and determining the action frequency of the trainer according to the start-stop frame.
8. An online sporting event adaptive training device, comprising:
the data acquisition module is used for acquiring real-time video data and user sign data for guiding trainers to train under videos;
the intensity determination module is used for judging the training intensity according to the real-time video data and the user sign data and determining the training intensity of the trainer;
and the strength adjusting module is used for adjusting the training strength of the guide video according to the training strength of the trainer and the preset training strength.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program performs the steps of the method for adaptive training of online sporting events according to any of claims 1 to 7.
10. A non-transitory computer readable storage medium, having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of the method for adaptive training of an online sporting event according to any of claims 1 to 7.
CN202111590605.7A 2021-12-23 2021-12-23 Online sports adaptive training method and device Pending CN114495594A (en)

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