CN110246583A - A kind of cerebral apoplexy cognitive training system and its operating method based on virtual reality technology - Google Patents
A kind of cerebral apoplexy cognitive training system and its operating method based on virtual reality technology Download PDFInfo
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- CN110246583A CN110246583A CN201910465849.9A CN201910465849A CN110246583A CN 110246583 A CN110246583 A CN 110246583A CN 201910465849 A CN201910465849 A CN 201910465849A CN 110246583 A CN110246583 A CN 110246583A
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H20/00—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
- G16H20/30—ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/30—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment
Abstract
The invention discloses a kind of cerebral apoplexy cognitive training system and its operating method based on virtual reality, including host computer, VR equipment, human body motion capture equipment, doctor terminal and patient end, the patient end, human body motion capture equipment, host computer, doctor terminal are sequentially connected, and the host computer is also sequentially connected with VR equipment, patient end.The operating method for the cerebral apoplexy cognitive training system based on virtual reality technology that the invention also discloses a kind of.The present invention uses virtual reality technology, a variety of virtual scenes with medical significance are constructed to improve patients with cerebral apoplexy in cognitive ability, and patient's gait feature parameter and analysis are provided as a result, auxiliary doctor evaluates Patients ' Cognitive ability and formulates subsequent rehabilitation programme for doctor.
Description
Technical field
The invention belongs to medical sciences of recovery therapy and computer science interleaving techniques field, specifically, being related to a kind of based on virtual
The cerebral apoplexy cognitive training system and its operating method of reality technology.
Background technique
Patients with cerebral apoplexy is after rehabilitation training, and limb motion ability has and preferably improves, and the training of cognitive ability
Effect is often unsatisfactory.It is embodied in, even if patients with cerebral apoplexy has preferable limb motion ability, but still is difficult to solely
It is vertical to complete complex task, it is more difficult to adapt to daily routines.Such as: being influenced by peripheral sound, pedestrian, vehicle, patient cannot be independent
Complete the task of " going across the road ".
According to the survey, the reason of above phenomenon is to cause to suffer from because the cognitive ability of patients with cerebral apoplexy is limited mostly to root
Person does not have the ability of a large amount of, complexity the information of processing, it is made to be difficult to cope with multiplicity, complex environment.Thus usually can
Task can preferably be completed under the single hospital of environment by patient occur, and is returned in complicated actual environment to fall into and do not known institute
The phenomenon that state arranged.
It is one of the major reasons that patients with cerebral apoplexy cognitive ability cannot be obviously improved that scene is single.
Summary of the invention
The purpose of the present invention is to provide a kind of cerebral apoplexy cognitive training system and its operation based on virtual reality technology
Method is constructed a variety of virtual scenes with medical significance and is carried out cognitive training to patients with cerebral apoplexy using virtual reality technology,
And patient's gait feature parameter and analysis are provided as a result, auxiliary doctor evaluates Patients ' Cognitive ability and formulates subsequent rehabilitation for doctor
Plan.
Its technical solution is as follows:
A kind of cerebral apoplexy cognitive training system based on virtual reality technology, including host computer, VR equipment, human motion are caught
Equipment, doctor terminal and patient end are caught, the patient end, human body motion capture equipment, host computer, doctor terminal are sequentially connected, described
Host computer is also sequentially connected with VR equipment, patient end；
The host computer controls VR equipment for constructing virtual scene, data analysis with as the result is shown；
The VR equipment is used to the VR scene that host computer provides being projected in equipment, is the key that user experience VR environment is set
It is standby；
The human body motion capture equipment for capturing the space coordinate of human synovial in real time, for dividing in real time for gait
Analysis；
The doctor terminal is used to observe and evaluate the moving situation of patient in hospital rehabilitation training chest, and by gait similarity
With gait feature value, Patients ' Cognitive ability is evaluated；
The patient end is for providing corresponding gait information for system user and carrying out cognitive training.
A kind of operating method of the cerebral apoplexy cognitive training system based on virtual reality technology, comprising the following steps:
(1) virtual unit is opened, patient enters virtual scene.
(2) patient view's virtual scene adapts to environment in advance before beginning a task with, and waits assignment instructions.
(3) doctor selects task and mission mode, mission mode include: to have instruction mode, no instruction mode, gait analysis
Mode.Under first two mode, doctor assigns and explains a task to patient in advance.Have under instruction mode, system, which will issue patient, accordingly to be referred to
(voice and text) is enabled, patient is instructed.Without under instruction mode, will be appointed there is no command prompt by patient's complete independently
Business.Under gait analysis mode, system will be acquired the gait information of patient's training process, analyze.
(4) patient enters virtual scene, and as required, starts to execute corresponding task.
(5) with and without under instruction mode, system provides scoring to the task performance of patient.
(6) under gait analysis mode, into sub-process, gait analysis is done, finally provides scoring.
Further, the sub-process specifically:
(1) breakdown action captures equipment, acquires the space coordinate in human body lower limbs joint in real time, obtains gait information.
(2) by gait information, gait feature parameter information is extracted.
(3) spy that will be walked in gait feature parameter obtained in virtual environment and patient's hospital rehabilitation training chest
Sign parameter does similarity analysis.
(4) similarity, gait feature parameter, for doing gait analysis are exported.
Further, the gait information: real-time measurement hipbone, knee, ankle joint angle.It records in a period of time, angle
The variation diagram of degree.
The gait feature parameter: cadence, step number, step-length, and obtained by angle change figure, adjacent extreme point line
Slope, the Magnitude Difference between adjacent extreme value, is made of, angle value (extreme value of the intermediate extreme point as angle continuous 3 extreme points
Angle).
Beneficial effects of the present invention:
The present invention uses virtual reality technology, constructs a variety of virtual scenes with medical significance and carries out to patients with cerebral apoplexy
Cognitive ability training, and patient's gait feature parameter and analysis are provided as a result, auxiliary doctor evaluates Patients ' Cognitive ability for doctor
With the subsequent rehabilitation programme of formulation.
Detailed description of the invention
Fig. 1 is hip knee angle variation diagram；
Fig. 2 is the frame diagram of the cerebral apoplexy cognitive training system based on virtual reality；
Fig. 3 is the operational flowchart of the cerebral apoplexy cognitive training system based on virtual reality.
Fig. 4 is data assay surface；
Fig. 5 is similarity graph spectrum analysis.
Specific embodiment
Technical solution of the present invention is described in more detail with reference to the accompanying drawings and detailed description.
1. the present invention has the virtual scene of medical significance by building, enhances Patients ' Cognitive ability, make patient preferably
Coordinate vision, the sense of hearing and limb motion.Such as: it is only to train patient to recognize with red green in previous hospital rehabilitation training process
Know, but patient is only capable of distinguishing between colors, and but not necessarily can appreciate that the meaning of color, cognitive ability do not obtain reality
Property improve.Firstly, constructing virtual scene according to medical need design objective, and to it.Such as following task.
(1) such as: the task of " going across the road ".Task definition includes: that (1) patient need to correctly distinguish traffic light, in safety
Road is waited and walked through in region；(2) patient combines voice prompting, completes above-mentioned (1)；(3) patient view's field range
Interior vehicle and listen surrounding vehicles sound, estimate with vehicle distance, reasonably select the opportunity gone across the road.In addition, system will be for abnormal
Situation is accordingly prompted, is alerted, and abnormal conditions include: that (1) violates the traffic regulations --- it makes a dash across the red light；(2) selection is gone across the road
Opportunity is improper --- and amber light and green light remaining time are not enough to pass through road；(3) it has been hit by motor vehicle.
(2) such as: " walking " task.The core of task is " avoiding " and " comity ", and content includes: (1) when encountering static barrier
Hinder object, detours and advance.Such as: tree, wooden case, street lamp, a booth water；(2) when encountering dynamic object, out position is allowed, waiting has enough
Continue to move ahead behind space.Such as: the people head-on to come up or vehicle.
2. selecting human body motion capture equipment, gait analysis is done to patient.The process mainly has:
(1) breakdown action captures equipment, starts the joint three dimensional space coordinate for acquiring patient.
(2) it is corresponding hip angle, knee angle, ankle angle by corresponding joint space coordinate transformation, obtains gait processes in a period of time
Middle angle change figure, such as Fig. 1.
(3) characteristic information in angle change figure is extracted, the corresponding feature with medical significance parameter and waveform diagram is obtained
Value.Parameter with medical significance includes: cadence, step-length and step number.The characteristic value of waveform diagram includes: adjacent extreme point line
Slope, the Magnitude Difference between adjacent extreme value, is made of, angle value (extreme value of the intermediate extreme point as angle continuous 3 extreme points
Angle).
(4) similarity analysis.Patient and normal person are done to the similarity analysis of gait first, quantitatively according to similarity degree
Reflect the quality of the walking posture of patient, the more high then patient walking posture of similarity is better.If patient has had been provided with preferably
Walking posture, record patient is in virtual scene and the gait information in hospital rehabilitation training chest respectively at this time, to both progress
The similarity analysis of gait.The value of the similarity just can quantitatively reflect influence of the complex environment to patient, reflect patient indirectly
Cognitive ability.
Similarity analysis of the present invention specifically: radar map analysis is done to the similarity of two groups of gait feature parameters,
Obtain gait similarity.The similarity is higher, then shows that walking is closer twice.If two groups of data be respectively normal person with
The gait information that patient walks in same environment, the similarity is higher, then shows that the walking posture of patient is better.If
The gait information that same patient walks in virtual scene and hospital rehabilitation training chest respectively, the similarity is higher, virtually
Influence of the environmental factor of scene to patient is also just smaller.If doctor it is determined that the patient in hospital rehabilitation training chest
With preferable walking posture, the similarity the high, shows that patient is stronger to environment-adapting ability, and cognitive ability is stronger, on the contrary
The the similarity the low, shows that patient's adaptive faculty is poorer, cognitive ability is poorer.
As shown in Fig. 2, a kind of cerebral apoplexy cognitive training system based on virtual reality technology, including host computer, VR equipment,
Human body motion capture equipment, doctor terminal and patient end, the patient end, human body motion capture equipment, host computer, doctor terminal are successively
Connection, the host computer are also sequentially connected with VR equipment, patient end；
The host computer controls VR equipment for constructing virtual scene, data analysis with as the result is shown；
The VR equipment is used to the VR scene that host computer provides being projected in equipment, is the key that user experience VR environment is set
It is one of standby；
The human body motion capture equipment for capturing the space coordinate of human synovial in real time, for dividing in real time for gait
Analysis；
The doctor terminal is used to observe and evaluate the moving situation of patient in hospital rehabilitation training chest；Read similarity and step
State characteristic value, and Patients ' Cognitive ability is evaluated；
The patient end is used to provide corresponding gait information for system user.
As shown in figure 3, a kind of operating method of the cerebral apoplexy cognitive training system based on virtual reality, including following step
It is rapid:
(1) virtual unit is opened, patient enters virtual scene.
(2) patient view's virtual scene adapts to environment in advance before beginning a task with, and waits assignment instructions.
(3) doctor selects task and mission mode, mission mode include: to have instruction mode, no instruction mode, gait analysis
Mode.Under first two mode, doctor assigns and explains a task to patient in advance.Have under instruction mode, system, which will issue patient, accordingly to be referred to
(voice and text) is enabled, patient is instructed.Without under instruction mode, will be appointed there is no command prompt by patient's complete independently
Business.Under gait analysis mode, system will be acquired the gait information of patient's training process, analyze.
(4) patient enters virtual scene, and as required, starts to execute corresponding task.
(5) with and without under instruction mode, to its task performance, scoring is provided.
(6) under gait analysis mode, into sub-process A, gait analysis is done, finally provides scoring.
Further, the sub-process A specifically:
(1) breakdown action captures equipment, acquires the space coordinate in human body lower limbs joint in real time, obtains gait information.
(2) by gait information, gait feature parameter information is extracted.
(3) feature that gait feature parameter obtained in virtual environment and the patient are walked in hospital rehabilitation training chest
Parameter does similarity analysis.
(4) similarity, gait feature parameter, for doing gait analysis are exported.
The gait information: real-time measurement hipbone, knee, ankle joint angle.It records in a period of time, the variation of angle
Figure.
The gait feature parameter: cadence, step number, step-length, and obtained by angle change figure, adjacent extreme point line
Slope, the Magnitude Difference between adjacent extreme value, is made of, angle value (extreme value of the intermediate extreme point as angle continuous 3 extreme points
Angle).
The foregoing is only a preferred embodiment of the present invention, the scope of protection of the present invention is not limited to this, it is any ripe
Know those skilled in the art within the technical scope of the present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are fallen within the protection scope of the present invention.
Claims (4)
1. a kind of cerebral apoplexy cognitive training system based on virtual reality technology, which is characterized in that including host computer, VR equipment,
Human body motion capture equipment, doctor terminal and patient end, the patient end, human body motion capture equipment, host computer, doctor terminal are successively
Connection, the host computer are also sequentially connected with VR equipment, patient end；
The host computer controls VR equipment for constructing virtual scene, data analysis with as the result is shown；
The VR equipment is used to the VR scene that host computer provides being projected in equipment, is the key equipment of user experience VR environment；
The human body motion capture equipment for capturing the space coordinate of human synovial, the real-time analysis for gait in real time；
The doctor terminal is used to observe and evaluate the moving situation of patient in hospital rehabilitation training chest；Read gait similarity and step
State characteristic value, and Patients ' Cognitive ability is evaluated；
The patient end is used to provide corresponding gait information for system user.
2. a kind of operating method of the cerebral apoplexy cognitive training system described in claim 1 based on virtual reality, which is characterized in that
The following steps are included:
(1) virtual unit is opened, patient enters virtual scene.
(2) patient view's virtual scene adapts to environment in advance before beginning a task with, and waits assignment instructions.
(3) doctor selects task and mission mode, mission mode include: to have instruction mode, no instruction mode, gait analysis mould
Formula.Under first two mode, doctor assigns and explains a task to patient in advance.Have under instruction mode, system will issue command adapted thereto to patient
(voice and text), instructs patient.Without under instruction mode, will there is no command prompts, by patient's complete independently task.
Under gait analysis mode, system will be acquired the gait information of patient's training process, analyze.
(4) patient enters virtual scene, and as required, starts to execute corresponding task.
(5) with and without under instruction mode, to its task performance, scoring is provided.
(6) under gait analysis mode, into sub-process A, gait analysis is done, finally provides scoring.
3. the operating method of the cerebral apoplexy cognitive training system according to claim 2 based on virtual reality, feature exist
In the sub-process specifically:
(1) breakdown action captures equipment, acquires the space coordinate in human body lower limbs joint in real time, obtains gait information.
(2) by gait information, gait feature parameter information is extracted.
(3) characteristic parameter that gait feature parameter obtained in virtual environment and the patient are walked in hospital rehabilitation training chest
Do similarity analysis.
(4) similarity, gait feature parameter, for doing gait analysis are exported.
4. the operating method of the cerebral apoplexy cognitive training system according to claim 3 based on virtual reality, feature exist
In the gait information: real-time measurement hipbone, knee, ankle joint angle；It records in a period of time, the variation diagram of angle；
The gait feature parameter: cadence, step number, step-length, and obtained by angle change figure, adjacent extreme point line it is oblique
Rate, the Magnitude Difference between adjacent extreme value, is made of, angle value (extreme value angle) of the intermediate extreme point as angle continuous 3 extreme points.
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| CN111079651A (en) * | 2019-12-17 | 2020-04-28 | 河南水滴智能技术有限公司 | Re-optimization of gait classification method |
| CN113505637A (en) * | 2021-05-27 | 2021-10-15 | 成都威爱新经济技术研究院有限公司 | Real-time virtual anchor motion capture method and system for live streaming |
| CN115831368A (en) * | 2022-12-28 | 2023-03-21 | 东南大学附属中大医院 | Brain imaging stroke patient data-based rehabilitation analysis management system |
| RU2805120C2 (en) * | 2022-04-01 | 2023-10-11 | Федеральное государственное бюджетное учреждение "Федеральный научно-клинический центр медицинской реабилитации и курортологии Федерального медико-биологического агентства" (ФГБУ ФНКЦ МРиК ФМБА России) | Method of rehabilitation of patients with brain and spinal cord injury using virtual reality and biofeedback |
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