CN111494911A - Traditional power method evaluation system based on laser type motion capture system - Google Patents
Traditional power method evaluation system based on laser type motion capture system Download PDFInfo
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- CN111494911A CN111494911A CN202010318709.1A CN202010318709A CN111494911A CN 111494911 A CN111494911 A CN 111494911A CN 202010318709 A CN202010318709 A CN 202010318709A CN 111494911 A CN111494911 A CN 111494911A
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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
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
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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
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
Abstract
The invention discloses a traditional power method evaluation system based on a laser type motion capture system, which comprises wearable power practice equipment, a motion capture unit and an intelligent evaluation unit, wherein sign information acquired by the wearable power practice equipment is calculated to obtain the motion physiological information of the traditional power method of a person, and the data of the motion capture unit is combined to evaluate the body function; the wearable exercise equipment is a physiological information acquisition patch which is applied to the chest of a person to be tested; transmitting the acquired signal to the intelligent evaluation unit by a laser standard positioner; the intelligent evaluation unit is used for evaluating whether the practice of the heart function evaluation of the tested person is effective or not through the collected cardiopulmonary function.
Description
Technical Field
The invention relates to the technical field of intelligent identification and evaluation, in particular to a traditional power method evaluation system based on a laser type motion capture system.
Background
The domestic industrialization and urbanization are promoted, and the burden of the aging society is promoted, which is shown in that the basic number of the elderly population at the basic level is huge. For the elderly, the risk of falling is a significant public health problem; for healthy old people, falling may cause fracture, secondary infection and increased risk of disability and mortality. In the research, the falling risk of the elderly people with atrial fibrillation is combined with the increase of the bleeding risk after the oral administration of the anticoagulant drugs, so that the falling incident risk is obviously increased. The results of a plurality of random contrast tests prove that the traditional Chinese sports qigong (such as Taijiquan, eight-segment brocade, five-fowl game and the like) can obviously reduce the frequency and risk of falling. The traditional method is not a single action, but the coordination of action and breathing is studied. The old people can exercise the quantification of the action and the physiological information in the traditional health-preserving method process, and data support can be provided for the rehabilitation guidance, the current rehabilitation effect and the subsequent rehabilitation planning of the patient. At present, a corresponding detection and evaluation device is lacked to detect the rehabilitation condition and the rehabilitation effect in the exercise process, so that most of the existing diagnoses adopt experience and lack of support of theoretical basis.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a traditional skill assessment system based on a laser type motion capture system, which can be used for practicing and assessing a tested person in a traditional skill in real time, so that the skill practice effect of the tested person is improved, and the workload of a rehabilitation teacher for prompting the tested person to perform wrong actions is saved.
In order to solve the technical problems, the invention provides a traditional power method evaluation system based on a laser type motion capture system, which comprises wearable power practice equipment, a motion capture unit and an intelligent evaluation unit, wherein physical sign information acquired by the wearable power practice equipment is calculated to obtain the motion physiological information of the traditional power method of a person, and the data of the motion capture unit is combined to evaluate the body function;
the wearable exercise equipment is a physiological information acquisition patch which is applied to the chest of a person to be tested;
the motion capture unit comprises a built signal acquisition field, a laser space transmitter and a laser standard positioner worn on the limb of a person to be tested are arranged on the acquisition field in an all-around manner, and the acquired signal is transmitted to the intelligent evaluation unit by the laser standard positioner;
the intelligent evaluation unit is used for evaluating whether the exercise of the heart function evaluation testee is effective or not through the acquired heart-lung function, the heart rate curve graph of the personal traditional exercise in the exercise, the change of the electrocardiogram graph and the exercise data acquired by the motion capture system.
In the conventional power assessment system based on the laser type motion capture system, the physiological information acquisition patch comprises an electrocardiogram acquisition patch, a skin temperature monitoring patch and a respiratory motion monitoring patch. The physiological information acquisition patch is connected with the intelligent evaluation unit in a wireless communication mode. And the laser standard positioner is connected with the intelligent evaluation unit in a wireless transmission mode.
In the conventional power evaluation system based on the laser type motion capture system, the laser space emitters are arranged around the signal acquisition field to form a rectangular laser emission area, and two scanning modules are designed in each laser emitter to respectively emit transverse and vertical laser scanning positioning spaces to the positioning space in turn in the horizontal and vertical directions; and a laser standard positioner is arranged on the limb of the tested person, and the accurate position of the standard positioner is calculated according to the time for the laser standard positioner to receive the laser.
A traditional power assessment method based on a laser type motion capture system comprises the following steps:
(1) establishing a laser type motion capture scene building, and establishing communication between the wearable skill training equipment, the motion capture unit and the intelligent evaluation unit;
(2) the tested person wears the wearable exercise equipment, and the limb is provided with a laser standard positioner;
(3) the method comprises the following steps that a person to be tested conducts a skill exercise in a laser type motion capture scene, and collected signal data are transmitted to an intelligent evaluation unit;
(4) the intelligent evaluation unit judges the cardio-pulmonary function and the storage function of the body of a tested person under the condition of no obvious difference from the standard action, the heart function is evaluated through the change of the figure of the electrocardiogram, and meanwhile, the change of the curve form can possibly warn the change of the cardio-pulmonary function; the peak heart rate, the skin temperature curve change and the like in the skill practice process can be used as the quality evaluation indexes of the skill practice, and the action amplitude, the heart rate and the skin temperature change in the skill practice are monitored to be used as the quality control indexes of whether the skill practice is effective or not.
According to the traditional power method evaluation method based on the laser type motion capture system, the motion capture unit can be used for rapidly and accurately capturing motion tracks through wireless or wired data high-efficiency transmission, and corresponding relations are formed between motion nodes in the motion process of a detected person and motion nodes in a standard model library by means of an artificial intelligence algorithm, so that the traditional power method can be accurately guided and evaluated.
Further, in the conventional power evaluation method based on the laser type motion capture system, the motion capture unit transmits the laser signal in a wave band through the laser transmitting unit, receives the laser signal through the laser standard locator on the body of the wearer, and calculates the accurate position information of the wearer.
The invention has the beneficial effects that: the invention realizes the judgment of the traditional power method of the exercise of the tested object and judges the cardio-pulmonary function of the body, in particular the reserve function of the tested object by the motion capture and laser positioning technology, belonging to the assessment of the cardio-pulmonary endurance; the heart rate curve graph in the exercise skill and the electrocardiogram graph of the tested object are changed, the heart function is evaluated, meanwhile, the change of the curve form can possibly early warn the change of the heart and lung function, the peak heart rate, the skin temperature curve change and the like in the exercise process can be used as the quality evaluation indexes of the exercise skill, the heart rate and the skin temperature change in the exercise skill are monitored, and the quality control indexes of whether the exercise skill is effective or not are used.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of laser positioning detection according to the present invention.
Fig. 2 is a schematic view of the motion capture positioner installation of the present invention.
FIG. 3 is a heart rate graph of a practicer of heart-lung function decline during practice of the exercise method of this embodiment.
FIG. 4 is a heart rate graph of a normal heart and lung function exerciser during exercise.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments, which are preferred embodiments of the present invention. It is to be understood that the described embodiments are merely a subset of the embodiments of the invention, and not all embodiments; it should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and specific embodiments.
Example one
The embodiment provides a traditional power assessment system based on a laser type motion capture system, which comprises wearable power training equipment, a motion capture unit and an intelligent assessment unit, wherein physical sign information acquired by the wearable power training equipment is calculated to obtain motion physiological information of a traditional power of a person, and the data of the motion capture unit is combined to perform body function assessment; the wearable exercise equipment is a physiological information acquisition patch which is applied to the chest of a person to be tested; the motion capture unit comprises a built signal acquisition field, a laser space transmitter and a laser standard positioner worn on the limb of a person to be tested are arranged on the acquisition field in an all-around manner, and the acquired signal is transmitted to the intelligent evaluation unit by the laser standard positioner; the intelligent evaluation unit is used for evaluating whether the exercise of the heart function evaluation testee is effective or not through the acquired heart-lung function, the heart rate curve graph of the personal traditional exercise in motion and the change of the image of the electrocardiogram.
Wearable practise skill is equipped mainly through the SMD sensor of chest abdomen, can accurate acquisition electrocardiogram data, skin temperature change data, respiratory motion data, can calculate before the motion and after the motion average heart rate, the peak value rhythm of the heart, practise skill and begin the time of peak value rhythm of the heart after the start, the time that the peak value rhythm of the heart after practising skill descends to the average rhythm of the heart after the motion, the slope that goes up before reaching the peak of rhythm of the heart change curve and descends after reaching the peak, the change curve of different stages skin temperature, breathing curve graph. The paster type electrocardio acquisition accuracy is obviously superior to that of light-sensitive equipment such as a bracelet, particularly, electrocardio signals are acquired during movement, the bracelet and the like are limited by movement, the acquired pulse signals are greatly interfered, the heart rate change condition is not enough to be judged, the signal interference can be completely avoided through the paster type acquisition of the chest and abdomen, and the paster type electrocardio acquisition system is more suitable for traditional skill practice. The skin temperature change and the breathing curve are the characteristics of the traditional skill training which is different from the conventional exercise training, the cooperation of expiration and inspiration is particularly emphasized, and meanwhile, the skin temperature change can evaluate the traditional skill training effect.
The laser type motion capture system of the motion capture unit is built through a simple field and is matched with the wearable laser sensor, the motion capture unit rapidly and accurately captures motion tracks through wireless or wired data transmission, the motion nodes in the motion process of a tested person and the motion nodes in the standard model library form corresponding relations through an artificial intelligence algorithm, and the exercise of the traditional power method is accurately guided and evaluated. The motion curve graph collected by the first part is matched, the matching of actions and breathing is realized, and the exercise of the traditional skill method is accurately guided. The action and respiration matching degree in the standard model library is used as an important evaluation index, so that the practice of the skill and practice is conveniently guided.
The laser type motion capture system of the embodiment consists of three parts, namely a laser space transmitter, a laser standard locator and IK algorithm software, and the working principle is that the laser space transmitter transmits laser signals, six standard locators bound on a human body receive and obtain position information, and the IK algorithm is added for calculation, so that dynamic capture data and accurate position information are uniformly obtained.
IK is an abbreviation for Inverse Kinematics of Inverse Kinematics. In the human body layered structure, joints and bones actually form a kinematic chain, for example, a shoulder joint, an elbow joint, a wrist joint and sub-bones thereof are a kinematic chain and are branches of the whole human body kinematic chain, and the body controls the motion by using the kinematic chain. The motion is divided into a forward motion and a reverse motion. Knowing the rotation angle of each joint on the chain, and solving the position information of each joint and the position information of a laser standard locator, which is a problem of forward kinematics; and the position information of the known laser standard locator is used for solving the rotation angle and the position of the ancestral joint of the laser standard locator, which is reverse kinematics. Inverse kinematics determines the motion of the whole skeleton according to the final angles of several main joints determining the motion, and is usually used for link objects, and the hierarchical structure skeleton is formed by connecting joints with different motion constraints into links. The hierarchical structure skeleton consists of a plurality of link chains in a hierarchical mode group, and comprises hierarchical structure joints or chains, motion constraints and an effector, wherein all parts are driven by the effector to move simultaneously. But must follow a particular hierarchical relationship to prevent the various components from spreading in different directions during the transformation. Such as: the pitching motion only defines the initial position, the final position and the path of the ball, and the rotation of the arm and the like, namely the following joint, can be automatically calculated according to the reverse kinematics. The reverse kinematics method alleviates the tedious work of the forward kinematics method to a certain extent and is one of the best methods for generating realistic joint movements.
The laser space positioning is to transmit a wave band laser signal through a laser transmitting unit, receive the laser signal through a laser standard positioner on the body of a wearer and calculate accurate position information.
Laser spatial positioning has the following advantageous characteristics: 1. and multi-target calibration and interaction characteristics can be realized, and multi-user and multi-target data calibration can be realized. 2. The method is resistant to blocking and stable, due to the fact that excessive complex operation is not needed, delay is hardly caused in the laser positioning technology, blocking is not afraid, and position information can be accurately identified as long as signals of any surrounding laser transmitting tower are covered. 3. The precision is high, the time delay is small, the laser space positioning precision can be below 1mm, and the delay is below 20 ms.
Knowing the position information of the end effector, the rotation angle and position of the ancestral joint can be obtained, which is the inverse kinematics. Namely, the position information of a standard locator is obtained through an indoor positioning technology, then the rotation angle and the position of an ancestral joint are calculated by utilizing an IK algorithm, so that the motion information of a sporter is known, and then the real-time action tracking display is realized by utilizing the motion information.
Indoor laser positioning technology, which scans a standard locator on the body worn by a wearer, namely an end effector in an IK algorithm, through a laser transmitter to obtain position and orientation information. In particular, the indoor positioning technology depends on laser and a standard locator to determine the position of a moving object. A plurality of laser emitters are arranged on the periphery to form a rectangular area, and the area can be adjusted according to the actual space size. Two scanning modules are designed in each laser transmitter, and the scanning modules respectively transmit transverse and vertical laser scanning positioning spaces to the positioning spaces in turn in the horizontal and vertical directions. The exerciser is provided with a standard locator, and the accurate position of the standard locator is calculated according to the time when the standard locator receives the laser.
After the accurate position of the positioning sensor is obtained through the laser indoor positioning technology, the rotation angle and the position of the ancestor joint can be reversely calculated through the IK algorithm, and therefore the movement information of the sporter is obtained.
The heart rate curve chart in the exercise method is firstly changed, the electrocardiogram graph is changed and is used for evaluating the heart function, meanwhile, the change of the curve form can possibly early warn the change of the heart and lung function, the rising slope of the normal heart rate curve of the body is small, the falling slope is large, otherwise, the early warning and storage function is decreased, as shown in figures 3 and 4, the peak heart rate, the skin temperature curve change and the like in the exercise process can be used as the quality evaluation indexes of the exercise method, the heart rate and the skin temperature change in the exercise of the work method are monitored, and the heart rate and the skin temperature change are used as the quality control indexes whether the exercise of the work method is effective or not. On the whole framework, real-time practice and real-time evaluation can be realized, and simultaneously, evaluation data can be fed back by a computer client and a mobile phone client.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the same element.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A traditional merit method evaluation system based on laser formula motion capture system which characterized in that: the physical sign information acquired by the wearable skill training equipment is calculated to obtain the motion physiological information of the traditional skill of a person, and the body function is evaluated by combining the data of the motion capture unit;
the wearable exercise equipment is a physiological information acquisition patch which is applied to the chest of a person to be tested;
the motion capture unit comprises a built signal acquisition field, a laser space transmitter and a laser standard positioner worn on the limb of a person to be tested are arranged on the acquisition field in an all-around manner, and the acquired signal is transmitted to the intelligent evaluation unit by the laser standard positioner;
the intelligent evaluation unit is used for evaluating whether the exercise of the heart function evaluation testee is effective or not through the acquired heart-lung function, the heart rate curve graph of the personal traditional exercise in the exercise, the change of the electrocardiogram graph and the user exercise data acquired by the motion capture system.
2. The laser-based motion capture system based conventional power assessment system of claim 1, wherein: the physiological information acquisition patch comprises an electrocardio acquisition patch, a skin temperature monitoring patch and a respiratory motion monitoring patch.
3. The system of claim 2, wherein the laser-based motion capture system comprises: the physiological information acquisition patch is connected with the intelligent evaluation unit in a wireless communication mode.
4. The laser-based motion capture system based conventional power assessment system of claim 1, wherein: and the laser standard positioner is connected with the intelligent evaluation unit in a wireless transmission mode.
5. The laser-based motion capture system based conventional power assessment system of claim 1, wherein: the laser space transmitters are arranged around a signal acquisition field to form a rectangular laser emission area, and each laser transmitter is internally provided with two scanning modules which respectively emit transverse and vertical laser scanning positioning spaces to the positioning space in turn in the horizontal and vertical directions; and a laser standard positioner is arranged on the limb of the tested person, and the accurate position of the standard positioner is calculated according to the time for the laser standard positioner to receive the laser.
6. A traditional power method evaluation method based on a laser type motion capture system is characterized by comprising the following steps:
(1) establishing a laser type motion capture scene building, and establishing communication between the wearable skill training equipment, the motion capture unit and the intelligent evaluation unit;
(2) the tested person wears the wearable exercise equipment, and the limb is provided with a laser standard positioner;
(3) the method comprises the following steps that a person to be tested conducts a skill exercise in a laser type motion capture scene, and collected signal data are transmitted to an intelligent evaluation unit;
(4) the intelligent evaluation unit judges the cardio-pulmonary function and the storage function of the tested person body, the heart function is evaluated through the change of the image of the electrocardiogram, and meanwhile, the change of the curve form can possibly warn the change of the cardio-pulmonary function; the peak heart rate, the skin temperature curve change and the like in the exercise process of the power method can be used as the quality evaluation indexes of the exercise power method, and the heart rate and the skin temperature change in the exercise of the power method are monitored to be used as the quality control indexes of whether the exercise of the power method is effective or not.
7. The conventional power assessment method based on laser type motion capture system as claimed in claim 6, wherein: the motion capture unit rapidly and accurately captures motion tracks through wireless or wired data transmission, and forms corresponding relations between motion nodes in the motion process of the tested person and motion nodes in the standard model library by using an artificial intelligence algorithm, so that the exercise of the traditional skill method is accurately guided and evaluated.
8. The conventional power assessment method based on laser type motion capture system as claimed in claim 6, wherein: the motion capture unit transmits wave band laser signals through the laser transmitting unit, receives the laser signals through a laser standard positioner on the body of a wearer, and calculates accurate position information of the wearer.
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