技术领域technical field
本发明涉及运动健身设备技术领域，尤其涉及一种基于虚拟场景的交互式健身系统及方法。The invention relates to the technical field of sports and fitness equipment, in particular to an interactive fitness system and method based on a virtual scene.
背景技术Background technique
随着社会不断地发展和进步，人们的生活水平逐步提高，步入运动健身行列的人群也越来越多，各类健身产品及健身房也逐渐遍及城市的各个角落，如：踏步机、哑铃、健腹轮、拉力绳等都是常见的室内健身器材。据调查发现，这些健身器材虽能在一定程度上满足人们的健身需求，但在用户体验上不可避免会出现枯燥乏味、难以坚持等问题。同时，普通用户在没有健身教练的专业指导下难以规范化使用这些健身器材，难以根据自身训练情况与目标制定针对性的健身计划，进而无法保证训练的安全性与有效性。此外，专业健身教练短缺且费用相对昂贵。With the continuous development and progress of society, people's living standards are gradually improving, and more and more people are entering the ranks of sports and fitness. Various fitness products and gyms are gradually spreading in every corner of the city, such as: steppers, dumbbells, Abdominal wheels, tension ropes, etc. are common indoor fitness equipment. According to the survey, although these fitness equipment can meet people's fitness needs to a certain extent, problems such as boring and difficult to persist will inevitably appear in the user experience. At the same time, it is difficult for ordinary users to standardize the use of these fitness equipment without the professional guidance of fitness coaches, and it is difficult to formulate targeted fitness plans according to their own training conditions and goals, and thus cannot guarantee the safety and effectiveness of training. In addition, professional fitness trainers are in short supply and relatively expensive.
为解决聘请健身教练费用昂贵等问题，部分用户采取下载视频教程来进行训练指导，但这种视频指导方式仅为单向的动作示范指导，用户无法(或不易)获得自身动作规范程度信息反馈，造成用户不能及时矫正自身动作姿势的情况。In order to solve the problem of high cost of hiring a fitness coach, some users download video tutorials for training guidance, but this video guidance method is only one-way demonstration guidance, and users cannot (or not easily) obtain feedback on their own movement standardization level. Causing the situation that the user cannot correct his own action posture in time.
如今，Kinect设备作为一款较为成熟的虚拟交互设备，可精确跟踪获取用户20个关节点信息，为用户提供视、听觉等方面的反馈，被广泛的应用到运动、康复、教育等各个领域。近年来，国内外学者关于Kinect与健身训练结合方面也开展了研究并取得了众多成果，但目前已有的方案中尚存在部分缺陷，如公开号CN107115675A一种基于Kinect的体育健身游戏系统及实现方法，通过设置游戏场景来提高用户的健身积极性与沉浸感，却无法对用户健身姿势进行评估指导，进而难以促进用户快速养成正确、规范的健身动作。又如，公开号为 CN205379594A一种虚拟场景健身系统，提出将虚拟场景与健身器械结合训练方式以激发运动乐趣，但存在训练难度、训练量不能根据用户个体差异进行自适应调整等缺陷。如何合理的将虚拟技术与现有的健身器械结合，组建一套具有专业健身指导、姿态纠正、训练强度自适应调整功能的人机交互训练系统是目前健身市场急需的一套产品。Today, as a relatively mature virtual interactive device, Kinect device can accurately track and obtain the information of 20 joint points of the user, and provide users with visual and auditory feedback. It is widely used in sports, rehabilitation, education and other fields. In recent years, scholars at home and abroad have also carried out research on the combination of Kinect and fitness training and achieved many results, but there are still some defects in the existing schemes, such as a Kinect-based sports and fitness game system and its realization in the publication number CN107115675A Method, by setting the game scene to improve the user's fitness enthusiasm and sense of immersion, but it is impossible to evaluate and guide the user's fitness posture, and it is difficult to promote the user to quickly develop correct and standardized fitness movements. As another example, the publication number is CN205379594A, a virtual scene fitness system, which proposes to combine virtual scenes with fitness equipment to stimulate sports fun, but there are defects such as training difficulty and training volume that cannot be adaptively adjusted according to individual user differences. How to reasonably combine virtual technology with existing fitness equipment to form a human-computer interaction training system with professional fitness guidance, posture correction, and self-adaptive adjustment of training intensity is a set of products that are urgently needed in the current fitness market.
发明内容Contents of the invention
为解决上述技术问题，本发明提供一种将多种健身器械与Kinect传感器进行有机结合，同时具有健身姿势评估指导，训练难度自适应调整、虚拟场景交互功能的健身指导训练系统及方法。In order to solve the above technical problems, the present invention provides a fitness guidance training system and method that organically combines a variety of fitness equipment and Kinect sensors, and has fitness posture evaluation guidance, self-adaptive adjustment of training difficulty, and virtual scene interaction functions.
本发明的目的是通过以下技术方案实现的：The purpose of the present invention is achieved through the following technical solutions:
一种基于Kinect的健身指导训练系统，包括A kind of fitness instruction training system based on Kinect, comprising
健身器材，可为用户提供一定大小的运动阻力以达到增强肌肉力量的目的，同时提供触觉方面的反馈；Fitness equipment, which can provide users with a certain amount of movement resistance to achieve the purpose of enhancing muscle strength, and at the same time provide tactile feedback;
Kinect传感器，用于采集用户的20个肢体关节点位置信息，并通过USB串口将捕获的人体彩色视频流、深度流、音频流等信息传输到计算机主机；The Kinect sensor is used to collect the position information of 20 limb joints of the user, and transmit the captured human body color video stream, depth stream, audio stream and other information to the host computer through the USB serial port;
大屏显示器，用于为用户提供健身训练过程中的视、听觉方面的反馈，方便用户及时纠正、规范自身的健身姿势；The large-screen display is used to provide users with visual and auditory feedback during fitness training, so that users can correct and standardize their fitness posture in time;
计算机主机，用于接收Kinect传感器的姿态信息和用于传输数据信息和音频信息；The main computer is used to receive the posture information of the Kinect sensor and to transmit data information and audio information;
音响，用于播放音频信息；Speaker for playing audio information;
健身管理系统，用于对数据进行分析处理、评估用户与虚拟健身教练间的交互情况后由大屏显示器、音响设备等外设输出。The fitness management system is used to analyze and process the data, evaluate the interaction between the user and the virtual fitness coach, and then output it from peripherals such as large-screen monitors and audio equipment.
作为本发明的进一步方案：所述健身管理系统包括As a further solution of the present invention: the fitness management system includes
数据管理模块，用于记录健身用户的基本信息和用户训练数据，通过数据深入挖掘分析，为用户推荐具有个性化、科学性的健身方案；The data management module is used to record the basic information of fitness users and user training data, and recommend personalized and scientific fitness programs for users through in-depth data mining and analysis;
健身指导模块，设有虚拟健身教练分别从视频、语音、文字三方面对用户训练动作进行解析和示范指导，同时针对用户不规范及错误动作进纠正提示；The fitness guidance module is equipped with a virtual fitness coach to analyze and demonstrate the user's training actions from three aspects: video, voice, and text, and at the same time provide correction tips for users' irregular and wrong actions;
训练控制模块，可实现用户虚拟人物控制、训练难度自适应调整，健身训练节奏快慢控制；The training control module can realize user virtual character control, adaptive adjustment of training difficulty, and control of fitness training rhythm;
训练评估模块，包含一种基于关节坐标点三维信息的动作姿态规范度评估方式。The training and evaluation module includes an evaluation method of the standard degree of action and posture based on the three-dimensional information of joint coordinate points.
作为本发明的进一步方案：所述健身管理系统还包括健身数据云端管理模块，利用TCP/IP 协议将记录在数据管理模块中的用户数据实时同步到云端服务器中，用户可通过手机APP申请访问云服务器中存储的个人健身数据报表和健身方案。As a further solution of the present invention: the fitness management system also includes a fitness data cloud management module, which uses the TCP/IP protocol to synchronize the user data recorded in the data management module to the cloud server in real time, and the user can apply for access to the cloud through the mobile APP. Personal fitness data reports and fitness programs stored in the server.
一种基于Kinect的健身指导训练方法，包括以下步骤：A Kinect-based fitness guidance training method, comprising the following steps:
步骤1，用户注册账号，填写基本信息，并登陆健身管理系统；Step 1, the user registers an account, fills in basic information, and logs in to the fitness management system;
步骤2，用户做出启动姿势，直到Kinect传感器跟踪到目标用户，进行菜单选择，设置训练关节部位、强度等级、背景音乐等；Step 2, the user makes a starting gesture until the Kinect sensor tracks the target user, selects the menu, sets the training joint position, intensity level, background music, etc.;
步骤3，用户选择(或制定)本次健身训练计划；Step 3, the user selects (or formulates) this fitness training plan;
步骤4，用户选择相应的健身辅助器械，进入训练环节；Step 4, the user selects the corresponding fitness auxiliary equipment and enters the training session;
步骤5，虚拟健身教练开始指导，用户通过场景中的虚拟人物动作和教练的语音提示来修正自身动作，直到动作规范达标，训练动作次数便会增加一次；Step 5, the virtual fitness coach starts to guide, and the user corrects his own actions through the actions of the virtual characters in the scene and the voice prompts of the coach, until the action specification reaches the standard, the number of training actions will increase once;
步骤6，用户达到当前项目的目标次数后，进入下一训练项，直到所有训练完成，系统输出本次训练相关数据并以报表和曲线形式展示给用户；Step 6: After the user reaches the target times of the current item, enter the next training item until all the training is completed, the system outputs the relevant data of this training and displays it to the user in the form of reports and curves;
步骤7，训练统计数据上传到健身云端服务器，用户可利用手机APP实时下载健身数据信息，及时了解自身健身情况。Step 7, the training statistics are uploaded to the fitness cloud server, and the user can use the mobile APP to download the fitness data information in real time, so as to keep abreast of their own fitness conditions.
本发明的有益效果在于：The beneficial effects of the present invention are:
S1：健身用户可选择不同器械与虚拟场景相结合，通过引入动作评估纠正和视、听、触觉多方面反馈来及时修正、规范健身动作，达到快速养成规范健身效果。S1: Fitness users can choose different equipment to combine with virtual scenes, and through the introduction of movement evaluation and correction and visual, auditory, and tactile feedback to timely correct and standardize fitness movements, so as to quickly develop standardized fitness effects.
S2：训练难度系数系统自适应调整。实时评估用户健身动作，根据其完成效果自适应改变动作触发阈值或项目种类以调整训练难度系数，同时还可通过不同健身器械(如不同重量的哑铃)、训练次数、训练时间来调整训练难度。S2: Adaptive adjustment of the training difficulty coefficient system. Evaluate the user's fitness actions in real time, and adjust the training difficulty coefficient by adaptively changing the action trigger threshold or item type according to the completion effect. At the same time, the training difficulty can also be adjusted through different fitness equipment (such as dumbbells of different weights), training times, and training time.
S3：健身训练节奏快慢实现用户主动控制。在系统检测到用户完全正确完成某一健身动作时，训练次数便自动增加一次，直到用户完成本项训练设定的目标次数后方可进入下个一训练项目。S3: The pace of fitness training can be controlled by the user actively. When the system detects that the user completes a fitness movement completely and correctly, the number of training sessions is automatically increased by one time until the user completes the target number of times set for this training before entering the next training program.
附图说明Description of drawings
图1为本发明的系统总体组成示意图；Fig. 1 is a schematic diagram of the overall composition of the system of the present invention;
图2为本发明主要模块的结构框图；Fig. 2 is the structural block diagram of main module of the present invention;
图3为本发明人体关节骨骼点分布图；Fig. 3 is the point distribution figure of human body joint skeleton of the present invention;
图4为本发明健身管理系统训练界面实施例示意图；4 is a schematic diagram of an embodiment of the training interface of the fitness management system of the present invention;
图5为本发明的健身训练过程的实现方法流程图；Fig. 5 is the flow chart of the implementation method of the fitness training process of the present invention;
图中：1、返回上一级，2、上一次训练项目，3、当前训练项目的目标训练次数与已完成动作次数，4、虚拟健身教练动作示范指导，5、当前训练项目名称，6、音频提示开关，7、用户虚拟交互模型，8、训练动作关键点提示内容，9、训练时间记录，10、下一训练项目， 11、暂停当前训练。In the figure: 1. Return to the previous level, 2. The last training item, 3. The target training times and the number of completed actions of the current training item, 4. The demonstration and guidance of the virtual fitness trainer, 5. The name of the current training item, 6. Audio prompt switch, 7. User virtual interaction model, 8. Prompt content of key points of training action, 9. Training time record, 10. Next training item, 11. Pause current training.
具体实施方式Detailed ways
为了更充分的解释本发明的实施，以下提供本发明的实施实例，这些实例仅仅是对本发明的阐述，不限制本发明的范围。In order to fully explain the implementation of the present invention, the implementation examples of the present invention are provided below, and these examples are only illustrations of the present invention and do not limit the scope of the present invention.
实施例如下：Examples are as follows:
参照图1，本实施例公开了一种基于Kinect的健身指导训练系统及方法的结构框图，包括健身硬件与内置系统软件两大部分，Referring to Fig. 1, the present embodiment discloses a structural block diagram of a Kinect-based fitness guidance training system and method, including two major parts of fitness hardware and built-in system software,
本实施例中的健身硬件设备主要包括健身器械、Kinect传感器、计算机主机、音响设备、大屏显示器及必要的健身场所、供电设备等组成。The fitness hardware equipment in this embodiment mainly includes fitness equipment, a Kinect sensor, a host computer, audio equipment, a large-screen display, necessary fitness places, and power supply equipment.
所述健身器械包括(但不限于)哑铃、弹力绳、健腹轮、瑜伽垫、单杠等常见易获取且对用户身体遮挡范围小的健身器械。一方面，为用户在训练过程中提供一定大小的运动阻力以达到增强肌肉力量的锻炼目的；另一方面，这些器械可为用户在虚拟环境训练中提供触觉方面的反馈，增加与健身器械间的交互性、提高用户的体验度。The fitness equipment includes (but is not limited to) dumbbells, elastic cords, abdominal wheels, yoga mats, horizontal bars, etc., which are common and easy to obtain and have a small range of obstruction to the user's body. On the one hand, it provides users with a certain amount of movement resistance during training to achieve the purpose of strengthening muscle strength; on the other hand, these devices can provide users with tactile feedback during virtual environment training, increasing the interaction with fitness equipment. Interactivity, improve user experience.
所述Kinect传感器为微软推出的基于体感交互的人机交互设备，用于采集用户的20个肢体关节信息。其内部包括红外摄像头、彩色摄像头、麦克风阵列、USB串口传输模块等，所述红外摄像头通过红外线对用户的远近距离进行采集，经过内部CPU计算得到用户和场景的深度数据；所述USB串口传输模块，将捕获的彩色视频流、深度流、音频流等数据信息传输到计算机主机中。The Kinect sensor is a human-computer interaction device based on somatosensory interaction introduced by Microsoft, and is used to collect information on 20 limb joints of the user. Its interior includes an infrared camera, a color camera, a microphone array, a USB serial port transmission module, etc., the infrared camera collects the distance of the user through infrared rays, and obtains the depth data of the user and the scene through internal CPU calculation; the USB serial port transmission module , and transmit the captured color video stream, depth stream, audio stream and other data information to the host computer.
所述计算机主机为日常生活所使用的电脑，安装有健身管理系统软件，同时与Kinect传感器、大屏显示器、音响等外部设备相连，其功能主要包括对传感器获取的数据进行处理、分析与虚拟训练场景渲染等功能。所述大屏显示器、音响设备分别将虚拟交互场景中的视频与音频信息进行实时输出，为用户健身训练提供视、听觉方面的反馈。显示器尺寸尽量偏大可以为用户提供更好沉浸效果，提高用户的体验度。The host computer is a computer used in daily life, equipped with fitness management system software, and connected with external devices such as Kinect sensors, large-screen displays, audio, etc., and its functions mainly include processing, analysis and virtual training of data acquired by sensors Scene rendering and other functions. The large-screen display and audio equipment respectively output the video and audio information in the virtual interactive scene in real time, providing visual and auditory feedback for the user's fitness training. Making the size of the display as large as possible can provide users with a better immersive effect and improve the user experience.
参照图2，本实施例中健身管理系统部分主要由数据管理模块、健身指导模块、训练控制模块、训练评估模块四大模块及扩展健身数据云端管理模块组成，可实现用户肢体关节信息采集与姿态动作评估、虚拟健身动作指导与错误健身姿势纠正、健身训练节奏主动控制与难度自适应调整、用户健身数据管理与科学健身训练规划四个方面的功能。Referring to Figure 2, the fitness management system in this embodiment is mainly composed of four modules: data management module, fitness guidance module, training control module, training evaluation module and an extended fitness data cloud management module, which can realize user limb joint information collection and posture Action evaluation, virtual fitness action guidance and wrong fitness posture correction, active control of fitness training rhythm and adaptive adjustment of difficulty, user fitness data management and scientific fitness training planning.
下面结合图2所示的四大模块如何完成上述四大功能进行详细叙述：The following is a detailed description of how the four modules shown in Figure 2 accomplish the above four functions:
一、用户肢体关节信息采集与姿态动作评估1. Collection of user limb joint information and gesture evaluation
用户肢体关节信息采集通过微软Kinect体感设备完成，其硬件组成主要包括彩色摄像头、红外线投影机和深度(红外)摄像头和四个线性麦克风阵列，在无遮挡情况下Kinect可以获取其可视范围内的深度、彩色和骨骼数据、声音信息。Kinect传感器通过串口每秒可向电脑主机传输30帧左右的骨骼数据，每一帧包含20个关节坐标点(参见图3)的三维信息(x，y， z)，并构成一副人体骨骼架构，三维坐标信息记录着人体各个关节在骨骼坐标系中的位置。所述骨骼坐标系：Kinect所在位置为坐标原点，x轴与Kinect平行，Y轴向上垂直于Kinect， Z轴与Kinect的朝向一致，向左为正半轴，整个坐标系符合右手螺旋法则。The collection of user's limb joint information is completed by Microsoft Kinect somatosensory device. Its hardware mainly includes color camera, infrared projector, depth (infrared) camera and four linear microphone arrays. Depth, color and bone data, sound information. The Kinect sensor can transmit about 30 frames of skeleton data per second to the host computer through the serial port, each frame contains 3D information (x, y, z) of 20 joint coordinate points (see Figure 3), and constitutes a human skeleton structure , the three-dimensional coordinate information records the position of each joint of the human body in the bone coordinate system. Described skeleton coordinate system: the position of Kinect is the origin of coordinates, the x-axis is parallel to Kinect, the Y-axis is vertical to Kinect upwards, the direction of Z-axis is consistent with Kinect, the positive semi-axis is to the left, and the whole coordinate system complies with the right-handed spiral rule.
用户姿态动作评估主要利用Kinect传感器输出的20个人体关节骨骼点坐标之间的变化，结合运动特征分析得出基于骨骼信息的抬腿、双手侧平举、跳跃、下蹲等各种动作的识别算法。进一步可简述为：如果用户关节相对于Kinect产生移动，相应的关节坐标信息便会发生变化，通过计算各关节点坐标的变化、关节连线间的角度变化情况即可判断出当前用户所完成的健身动作。The user gesture and action evaluation mainly uses the changes in the coordinates of 20 human joint bone points output by the Kinect sensor, combined with the analysis of motion characteristics, to obtain the recognition of various actions such as leg raising, sideways raising of both hands, jumping, and squatting based on bone information algorithm. It can be further briefly described as: if the user's joints move relative to the Kinect, the corresponding joint coordinate information will change. By calculating the change of the coordinates of each joint point and the angle change between the joint lines, it can be judged that the current user has completed fitness moves.
以用户双手侧平举健身动作举例示范：选取左腕(xWL，yWL，zWL)、右腕(xWR，yWR，zWR)、左肘(xEL，yEL，zEL)、右肘(xER，yER，zER)、左肩(xSL，ySL，zSL)右肩(xSR，ySR，zSR)、肩膀中心 (xSC，ySC，zSC)、脊柱(xSP，ySP，zSP)八个关节点坐标作为双手侧平举评估坐标点；左肘关节与左腕关节形成的向量右肘关节与右腕关节形成向量左肩关节与左肘关节形成向量右肩关节与右肘关节形成向量肩膀中心与脊柱形成的向量五个主要关节点连成的向量；左肘关节角度(左肩-左肘- 左腕)右肘关节角度(右肩-右肘-右腕)左肩关节角度(脊柱中心-左肩-左肘)右肩角度(脊柱中心-右肩-右肘关节)四个关节角度。Take the user’s side-to-side exercise as an example: select left wrist (xWL , yWL , zWL ), right wrist (xWR , yWR , zWR ), left elbow (xEL , yEL , zEL ), right wrist Elbow (xER , yER , zER ), Left Shoulder (xSL , ySL , zSL ) Right Shoulder (xSR , ySR , zSR ), Center of Shoulder (xSC , ySC , zSC ), Spine (xSP , ySP , zSP ) coordinates of the eight joint points are used as the evaluation coordinate points of the lateral raise of both hands; the vector formed by the left elbow joint and the left wrist joint Right elbow joint and right wrist joint form vector The left shoulder joint and the left elbow joint form a vector Right shoulder joint and right elbow joint form vector The vector formed by the center of the shoulders and the spine The vector formed by connecting the five main joint points; left elbow joint angle (left shoulder-left elbow-left wrist) Right Elbow Angle (Right Shoulder-Right Elbow-Right Wrist) Left shoulder joint angle (center of spine - left shoulder - left elbow) Right shoulder angle (center of spine - right shoulder - right elbow) Four joint angles.
当用户关节角度同时满足160°≤θER≤180°、160°≤θEL≤180°、80°≤θSR≤100°、80°≤θSL≤100°四个条件的时候即可认为用户侧平举健身动作达到标准情况，此处80°、100°、160°、180°为设定的评估阈值，可以通过改变角度阈值的大小来评估当前用户动作的标准程度。When the joint angle of the user meets the four conditions of 160°≤θER ≤180°, 160°≤θEL ≤180°, 80°≤θSR ≤100°, and 80°≤θSL ≤100°, the user can be considered The lateral raise fitness movement reaches the standard situation. Here, 80°, 100°, 160°, and 180° are the set evaluation thresholds. You can evaluate the standard degree of the current user's movement by changing the angle threshold.
本实施例中还包含(但不限于)训练过程消耗热量估算、训练强度评估等部分。所述训练消耗热量估算，通过获取用户训练项目类型、每项项目训练的组次数、训练的累计时间长短、难度系数值等因素结合单位时间参考动作消耗的热量值估算用户训练消耗的卡路里值。This embodiment also includes (but is not limited to) parts such as calorie consumption estimation and training intensity evaluation during training. The calorie consumption estimation for training is to estimate the calorie value consumed by user training by obtaining the user's training item type, the number of training groups for each item, the cumulative time of training, the difficulty coefficient value and other factors combined with the calorie value consumed by the reference action per unit time.
二、虚拟健身动作指导与错误健身姿势纠正2. Virtual fitness action guidance and wrong fitness posture correction
为解决普通用户在没有健身教练的专业指导下难以规范化完成健身动作问题，本发明引入虚拟技术为用户构建一位具有健身专业知识虚拟健身教练。所述健身教练可以为用户提供如图2健身指导模块所示的健身动作视频示范、健身动作文字介绍、健身方案推荐、语音互动交流功能。进一步，所述的健身动作文字介绍为对某一健身动作关键点与该动作主要锻炼肌肉部位进行简要介绍；所述的健身方案推荐，系统分析用户之前训练数据与健身目标后为用户智能推荐的个性化、科学健身方案；所述语音互动，虚拟健身教练在用户规范完成某一动作过程中或者训练完成时刻与用户进行一些语音和动作方面互动，诸如“继续加油、做得非常好”方面语音提示，以激发用户训练的积极性，增强人机交互效果。In order to solve the problem that it is difficult for ordinary users to standardize and complete fitness exercises without the professional guidance of fitness coaches, the present invention introduces virtual technology to build a virtual fitness coach with professional fitness knowledge for users. The fitness trainer can provide the user with the functions of video demonstration of fitness movements, text introduction of fitness movements, recommendation of fitness programs, and voice interactive communication functions as shown in the fitness guidance module in FIG. 2 . Further, the text introduction of the fitness action is a brief introduction to the key points of a certain fitness action and the main muscle parts exercised by the action; the recommendation of the fitness program is intelligently recommended for the user after the system analyzes the user's previous training data and fitness goals Personalized and scientific fitness program; the voice interaction, the virtual fitness coach interacts with the user in terms of voice and motion when the user completes a certain action or when the training is completed, such as the voice of "Keep working hard and doing a very good job" Tips to stimulate the user's enthusiasm for training and enhance the effect of human-computer interaction.
为实现用户快速养成规范健身姿势，本发明所述虚拟健身教练设有错误动作纠正提醒，通过语音播放实时提醒用户健身过程中的不规范动作或错误动作，同时指出相应错误关节部位以方便用户及时修正自身的动作姿势。进一步地，In order to enable users to quickly develop standardized fitness postures, the virtual fitness trainer of the present invention is equipped with error action correction reminders to remind users of irregular actions or wrong actions in the fitness process in real time through voice playback, and at the same time point out the corresponding wrong joints for the convenience of users Correct your posture in time. further,
错误动作提醒通过计算完成目标动作用户实际的关节间角度、关节点坐标与完成目标动作预先设定的关节点坐标、关节间角度之间的差异大小是否超出设定阈值来评估用户动作的规范程度及错误动作判断。Wrong Action Reminder By calculating whether the difference between the actual joint angle and joint point coordinates of the user who completes the target action and the preset joint point coordinates and joint angles of the target action exceeds the set threshold to evaluate the standardization of the user's action and misjudgment of actions.
三、健身训练节奏主动控制与难度自适应调整3. Active control of fitness training rhythm and adaptive adjustment of difficulty
为进一步增强健身用户训练过程中的主动性、训练体验感，本发明引入图2所示的训练控制模块，包含(但不限于)训练动作组次数控制、用户虚拟人物控制、训练动作项目切换、背景音乐控制、难度自适应调整部分功能。进一步，所述的用户虚拟人物控制，为计算机提取的用户各个关节点坐标信息后映射到虚拟场景中的人物模型关节点相应坐标，以同步生成用户的肢体动作，方便用户及时获得自身动作姿势方面的反馈。In order to further enhance the initiative and training experience of fitness users in the training process, the present invention introduces the training control module shown in Figure 2, including (but not limited to) control of the number of training action groups, control of user avatars, switching of training action items, Background music control, difficulty adaptive adjustment of some functions. Further, the user virtual character control is to map the coordinate information of each joint point of the user extracted by the computer to the corresponding coordinates of the joint point of the character model in the virtual scene, so as to synchronously generate the user's body movements, so that the user can obtain the aspects of his own actions and postures in a timely manner. feedback of.
健身训练节奏主动控制可描述为：在用户完全规范完成当前训练动作后，相应的动作次数增加一次，直至用户完成该动作设定的目标次数后方可进入下一环节训练，其训练节奏快慢完全由健身用户当前动作完成速度快慢控制。The active control of fitness training rhythm can be described as: after the user completes the current training action completely, the corresponding number of actions is increased once until the user completes the target number of times set for the action before entering the next link of training. The training rhythm is completely determined by the user. The speed at which the fitness user completes the current action is controlled.
系统通过评估用户近几次训练完成情况(包括用时长短、训练达标率、动作评分)自适应调整下一次训练项目的难度。若用户每次动作完成均标准规范，训练项目呈难度递增方向自动调整；若某一动作用户多次尝试均不能规范完成，训练难度便会自动调整到之前的难度。进一步地，所述难度主要体现在训练项目种类、训练次数、辅助健身器械(重量、阻力)、训练动作达到规范姿势触发阈值等方面。训练难度系数自适应调整充分提高了用户健身训练效果及持久坚持训练的热情。The system adaptively adjusts the difficulty of the next training project by evaluating the user's recent training completion (including the length of time, training compliance rate, and action score). If the user completes each action in a standard manner, the training items will be automatically adjusted in the direction of increasing difficulty; if the user fails to complete a certain action after several attempts, the training difficulty will be automatically adjusted to the previous difficulty. Further, the difficulty is mainly reflected in the types of training items, training times, auxiliary fitness equipment (weight, resistance), training actions reaching the trigger threshold of standard postures, etc. The adaptive adjustment of the training difficulty coefficient fully improves the user's fitness training effect and the enthusiasm for persistent training.
四、用户健身数据管理与科学健身训练规划4. User fitness data management and scientific fitness training planning
参照图2所示的数据管理模块以记录健身用户的基本信息与健身训练过程产生的训练数据。进一步，所述的用户基本信息包括(但不限于)用户姓名、性别、身高、体重、预计训练周期、擅长运动类型、健身锻炼目标；所述的健身训练数据包括(但不限于)用户在每次进行健身训练过程中的训练项目名称与时间、单项动作组数、训练评估得分、消耗的卡路里值、训练难度级别、累计训练时长等信息。系统在准确记录用户的相关信息后，通过对用户数据深入挖掘分析为用户提供更具个性化、针对性、科学性的健身计划。Refer to the data management module shown in Figure 2 to record the basic information of the fitness user and the training data generated during the fitness training process. Further, the basic user information includes (but not limited to) the user’s name, gender, height, weight, expected training period, type of exercise, fitness exercise goal; the fitness training data includes (but not limited to) the user’s daily Information such as the name and time of the training item, the number of individual action groups, the training evaluation score, the calorie value consumed, the training difficulty level, and the cumulative training time during the fitness training process. After accurately recording the relevant information of the user, the system provides users with a more personalized, targeted and scientific fitness plan through in-depth mining and analysis of user data.
进一步地：further:
参照图4所示为健身管理系统训练界面实施例示意图，以下示范性简要叙述训练管理系统中训练界面内容。所述训练界面包含(但不限于)1-返回上一级，2-上一次训练项目，3- 当前训练项目的目标训练次数与已完成动作次数，4-虚拟健身教练动作示范指导，5-当前训练项目名称，6-音频提示开关，7-用户虚拟交互模型，8-训练动作关键点提示内容，9-训练时间记录，10-下一训练项目，11-暂停当前训练。Referring to FIG. 4 , which is a schematic diagram of an embodiment of the training interface of the fitness management system, the content of the training interface in the training management system will be described briefly below. The training interface includes (but not limited to) 1-return to the previous level, 2-the last training item, 3-the target training times and the number of completed actions of the current training item, 4-virtual fitness trainer action demonstration guidance, 5- Current training item name, 6-audio prompt switch, 7-user virtual interaction model, 8-training action key point prompt content, 9-training time record, 10-next training item, 11-pause current training.
进一步地：further:
图5示出一种基于Kinect的健身指导训练系统及方法实现步骤：Fig. 5 shows a kind of Kinect-based fitness guidance training system and method implementation steps:
步骤1，打开健身管理软件系统，若为新用户第一次登陆，需要注册属于自己的健身账户，同时填写用户个人基本信息，包括姓名、性别、体重、健身部位、健身目标等，并登陆健身管理系统。Step 1. Open the fitness management software system. If you are a new user logging in for the first time, you need to register your own fitness account, and fill in the basic personal information of the user, including name, gender, weight, fitness parts, fitness goals, etc., and log in to the fitness management system.
步骤2，用户站到Kinect传感器前方2米左右的位置，用户做出Kinect识别姿势，直到Kinect识别并跟踪到用户并确认为目标人物后，用户便可以通过移动手掌来控制操作界面进行相应菜单选择，同时语音系统播放菜单选项。接着进行本次需要锻炼的主要关节部位(胸部、手臂、肩部、背部、腰部、腹部、腿部)、训练强度等级(1-5级)、背景音乐(轻音乐、慢摇、流行、自定义)参数设置。Step 2, the user stands about 2 meters in front of the Kinect sensor, and the user makes a Kinect recognition gesture until the Kinect recognizes and tracks the user and confirms it as the target person, the user can control the operation interface by moving the palm to select the corresponding menu , while the voice system plays the menu options. Then carry out the main joint parts that need to be exercised this time (chest, arms, shoulders, back, waist, abdomen, legs), training intensity level (level 1-5), background music (light music, slow shake, popular, custom )parameter settings.
步骤3，制定训练计划，用户可以选择系统推荐训练计划、已存默认训练计划、自定义训练计划3种模式中的一种。自定义训练计划模式，用户可自由规划训练项目种类、训练次数等；系统推荐训练计划是系统根据用户的基本信息与历史训练数据经过相关程度分析，匹配出与用户健身目标最合理的训练项目，然后推荐一套具有个体适应性的训练计划方案；已存默认训练计划是在系统存储的默认训练计划方案，个性化相对较低，用户亦可在此基础上增加、删除部分内容以制定出适合自己的训练方案。Step 3, making a training plan, the user can choose one of the three modes of system recommended training plan, stored default training plan, and custom training plan. In the custom training plan mode, the user can freely plan the types of training items, training times, etc.; the system recommends a training plan based on the user's basic information and historical training data after correlation analysis, and matches the most reasonable training items with the user's fitness goals. Then recommend a set of training plans with individual adaptability; the existing default training plan is the default training plan stored in the system, and the personalization is relatively low. Users can also add or delete some content on this basis to formulate a suitable training plan. own training program.
步骤4，进入健身训练环节，根据当前的训练项选择合适的健身器械辅助进行锻炼。本实施例以哑铃侧平举训练项目进行示范说明，用户根据自己的实际情况选择合适重量的哑铃，准备开始正式的训练。Step 4, enter the fitness training link, and choose appropriate fitness equipment to assist in exercising according to the current training items. In this embodiment, the dumbbell lateral raise training item is used for demonstration and explanation, and the user selects a dumbbell with a suitable weight according to his actual situation, and prepares to start formal training.
步骤5，虚拟健身教练开始指导训练。虚拟教练首先会通过语音和文字形式介绍此项运动的动作关键点、锻炼肌肉部位、注意事项，接着以动作视频指导健身用户进行训练。此时用户便可双手各拿哑铃一个，缓慢侧平举，保持2-3秒，缓慢放下，重复此过程。Step 5, the virtual fitness trainer starts to instruct the training. The virtual coach will first introduce the key points of the movement, the muscle parts to be exercised, and the precautions in the form of voice and text, and then guide the fitness user to train with action videos. At this point, the user can hold a dumbbell in each hand, slowly raise it laterally, hold it for 2-3 seconds, slowly lower it, and repeat this process.
步骤6，用户训练同时Kinect设备实时捕获用户肢体关节活动点三维坐标信息，并通过串口上传到计算机主机，控制虚拟人物做出与用户同步动作。用户通过观察场景中的虚拟人物动作即可知道自身动作规范情况，同时通过动作评估模块在用户动作出现错误的时候，健身教练会进行语音提示用户以进行修正，直到动作完全规范正确后，训练动作次数便会增加一次。Step 6, while the user is training, the Kinect device captures the three-dimensional coordinate information of the joint movement points of the user's limbs in real time, and uploads the information to the host computer through the serial port to control the virtual character to make synchronous actions with the user. Users can know their own movement norms by observing the movements of the virtual characters in the scene. At the same time, through the movement evaluation module, when the user's movement is wrong, the fitness coach will give a voice prompt to the user to make corrections, until the movement is completely standardized and correct, the training movement The number of times will increase by one.
步骤7，用户达到当前训练项目的目标次数要求后，系统自动进行训练难度调整继续进行锻炼。直到本次所有训练计划完成后，系统根据当前用户的训练情况统计锻炼时间、每项动作得分、消耗热量值、历史累计训练时长等信息以报表或者曲线形式展示给用户。Step 7: After the user reaches the target frequency requirement of the current training item, the system automatically adjusts the training difficulty and continues to exercise. Until all training plans are completed this time, the system will display information such as exercise time, each action score, calorie consumption, and historical cumulative training time according to the current user's training situation in the form of reports or curves.
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.
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| CN201810748176.3ACN108853946A (en) | 2018-07-10 | 2018-07-10 | A kind of exercise guide training system and method based on Kinect |
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| RJ01 | Rejection of invention patent application after publication | Application publication date:20181123 | |
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