CN107115102A - A kind of osteoarticular function appraisal procedure and device - Google Patents
A kind of osteoarticular function appraisal procedure and device Download PDFInfo
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Abstract
The invention discloses a kind of Bones and joints spatial angle measuring and function evaluating method and device, including following three stage：First stage, Bones and joints depth information is gathered using body feeling interaction equipment, calculate Bones and joints space angle；Second stage, according to the Bones and joints spatial angle measuring method of first stage, is completed to the classification with different bone and joint diseases by using K mean cluster algorithm；Phase III, osteoarticular function visual analyzing is with assessing.The present invention breaks away from the constraint of traditional medicine video imaging technology, Bones and joints point coordinates can be obtained in real time, measure the angle of Bones and joints, complete the renewal that joint maximum of the personage under natural active state bends and stretches angle, the digital assay and health evaluating of osteoarticular function are presented by user of visual means, it can be established for medical worker in diagnosis, therapeutic scheme, function comparative evaluation and rehabilitation guide provide a kind of more objective effective foundation before and after treatment.
Description
Technical field
The present invention relates to osteoarticular function health assessment technology field, in particular to a kind of Bones and joints space angle
Measurement and function evaluating method and device.
Background technology
Bone and joint diseases are common clinical, frequently-occurring disease, and illness rate increases with age.In recent years, relevant bone
The diagnosis of joint disease and functional assessment, are all based on greatly doctor's clinic and have a medical check-up, medical image imaging technique, by analyze MRI,
CT, x-ray inspection result, rule of thumb make to the state of an illness and substantially judge and analyze, formulate corresponding rescue protocol, and in this, as rear
The foundation of phase rehabilitation guide, generally speaking based on the subjective judgement of doctor and evaluation, shortage patient is objective, accurate function
Parameter analysis.In addition, existing medical imaging device has radiation and price is relatively expensive, the effect for being not suitable for long-term rehabilitation is commented
Estimate and drug direction.
In order to solve problem above, people start to be incorporated into gait analysis into diagnosis and the functional assessment of bone and joint diseases
In, the application of athletic rehabilitation evaluation, gait analysis in Falls in Old People such as based on gait analysis, their research is bone
The diagnosis and treatment of arthropathy provide good theoretical research foundation with prevention.But, closed because body gait is related to hip joint, knee
Multiple position joint autokinetic movements such as section, ankle-joint, the change in each joint can cause the change of overall gait image, gait
Real-time acquisition, processing and the real-time of osteoarticular function parameter of image are calculated as in bone and joint diseases clinical diagnosis and evaluation
A technical barrier.
With the development of computer information technology, the body feeling interaction equipment based on augmented reality has obtained rapid development should
With, such as Kinect of the issue of Microsoft 2010, Intel company's priority in 2016 release trendy 3D true feelings camera R200,
SR300, the maximum feature that these 3D true feeling picture pick-up devices have is can to catch the depth location information of object in the scene, to thing
The spatial position change of body makes accurate tracking and positioning.Wherein because Kinect possesses the tracking of the overall bone information of human body
With positioning and be progressively applied to medical application research on, such as rehabilitation training system based on Kinect, based on Kinect depth
Three-dimensional reconstruction of information etc..But, due to the various property of bone and joint diseases species, only rely on the depth of body feeling interaction equipment acquisition
Positional information can't make quantitative analysis to various bone and joint diseases, can not realize clinical medicine evaluation.
The parameter that human body bony articulation health is assessed has a lot, such as angle parameter, muscle pain, personal bone situation etc.,
Wherein angle parameter is realizing the assessment of human body bony articulation health as an important parameter of human body bony articulation health condition evaluation
During serve key effect.How the calculating of human body Bones and joints space angle and the reality of angle character data combined
Cluster and analysis, draw the form of expression and scope of activities of different joint states has turned into the one of the health state evaluation of Bones and joints
Individual new difficult point.
The content of the invention
In view of this, the present invention provides a kind of osteoarticular function appraisal procedure and device, to solve the above problems.
A kind of osteoarticular function appraisal procedure and device, device include Kinect device and for Bones and joints space angle
Measurement and the software kit system of functional assessment, method include the following three stage:
First stage：Bones and joints depth information is gathered using body feeling interaction equipment, the distance between artis is calculated, utilizes at 3 points
Method, that is, the distance between wherein three Bones and joints points obtained calculate Bones and joints space angle, specifically include：
1）Bones and joints depth information is gathered using body feeling interaction equipment, the position in each joint is determined, its depth image seat is calculated
Mark；
2）According to the conversion formula of depth image coordinate to space point coordinates, the space point coordinates of each artis is calculated；
3）The distance between artis two-by-two is obtained using Euclidean distance；
4）Bones and joints space angle is calculated using line-of-sight course.
Second stage：According to the Bones and joints spatial angle measuring method of first stage, in its natural state respectively to difference
The bone and joint diseases patient of species carries out joint maximum and bends and stretches angular surveying, under enough sample sizes, poly- by using K averages
Class algorithm is completed to the classification with different bone and joint diseases, and in this, as the standard of health evaluating, is specifically included：
1）Collection is measured to the growing state of normal Bones and joints, the data area of healthy functions is drawn；
2）Arrangement is collected to the joint data with bone and joint diseases, passes through number of the K mean cluster algorithm to disease condition
According to specifically being classified.
Phase III：The accurate display Bones and joints space angle of digitlization, the maximum that dynamic updates Bones and joints bends and stretches angle, real
Existing osteoarticular function visual analyzing and functional assessment, are specifically included：
1）Show that the angle information and maximum of each Bones and joints stretch bent angle in real time with visual means；
2）Compared by the angle information of system acquisition and the data result of clustering, complete the health of human body osteoarticular function
Condition evaluation.
The parameter that human body bony articulation health is assessed has a lot, such as the angle character under different motion state, muscle pain,
Personal congenital bone situation etc., angle parameter is as an important parameter of human body bony articulation health condition evaluation, and it is in reality
Existing human body bony articulation health serves key effect during assessing.This patent is compared with existing apparatus and technology, by bone
The maximum in joint bends and stretches angle as the major parameter of cluster, by the observation of scope of activities bent and stretched to human synovial with point
Analysis, can complete the classification to the Bones and joints angle character of different conditions.
Further, in technical scheme, by carrying out clustering to a large amount of measured datas, it can be deduced that no
It is generic, analyze the joint angles standard of health.Using clustering, the joint data to different angle characters can be completed
Cluster, system results are authentic and valid and the degree of accuracy is higher, pass through the analysis to cluster result, it is possible to achieve special to different angles
The data of the angle detection levied, hypometria not enough to flexing, or systematic survey error are all when being individually attributed to a class.Posture is asked
Result difference is more obvious caused by topic, and cluster scope is not included.
Further, this patent whole device human-computer interaction interface is good, and measurement result can directly display operation interface,
User can complete the angular surveying to the different joints of human body and functional assessment by shirtsleeve operation；The present apparatus not only can be with
Digitlization shows that each joint angles parameter of the patient under natural environment can be also used for the dynamic monitoring of patient bone joint motion,
Monitor the detailed upgrowth situation of Bones and joints and record display relevant parameter, while carrying out classification assessment to bone and joint diseases, thus
The reference for the treatment of is analyzed as doctor, optimal therapeutic scheme can be provided for patient, can also be postoperative to osteoarthritis patients it is strong
Control effect and carry out preliminary assessment and later stage tracking and monitoring, to provide reference for clinic, improve orthopaedics illness treatment level.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the schematic flow sheet of the osteoarticular function appraisal procedure of an embodiment of the present invention.
Fig. 2 is the classification assessment algorithm schematic flow sheet of an embodiment of the present invention.
Fig. 3 is that the osteoarticular function of an embodiment of the present invention assesses software interface schematic diagram.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Therefore, embodiments of the invention below to providing in the accompanying drawings
Detailed description be not intended to limit the scope of claimed invention, but be merely representative of the present invention selected embodiment.
Based on the embodiment in the present invention, it is all that those of ordinary skill in the art are obtained under the premise of creative work is not made
Other embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the osteoarticular function appraisal procedure and device of an embodiment of the present invention, comprise the following steps.
Step S110, the collection of Bones and joints depth data.
As a kind of embodiment, measurement and calculating to human body Bones and joints space angle must be completed to Bones and joints in advance
Data acquisition.The detecting and tracking to human body is completed using body feeling interaction equipment Kinect, passes through the configuration and drive of interactive environment
Writing for dynamic program can efficiently accomplish the collection to Bones and joints data, and detailed process includes personage and controls to tie up with skeleton point
It is fixed, the generation of shell system and in real time monitoring.By the control and monitoring in real time moved to personage, each of human body lower limbs is got
Individual body joint point coordinate, completes the collection of data.
Step S120, Bones and joints space angle computation.
It is according between space point coordinates calculating artis to Bones and joints space angle computation as a kind of embodiment
Euclidean distance, then calculates Bones and joints space angle according to line-of-sight course.Circular is as follows.
Assuming that the space coordinate of 2 Bones and joints points is respectively (x1,y1,z1), (x2,y2,z2), then Europe between two joint point
Formula is as follows apart from calculation formula.
The angle solved between human joint pointses line mainly uses line-of-sight course, that is, passes through three artis of acquisition
The Euclidean distance of spatial coordinates calculation two-by-two between node, then calculates the angle between artis line according to the cosine law
Degree, for example, it is assumed that three spatial points A, B, C represent left foot hip joint coordinate (x respectively1,y1,z1), knee joint coordinate (x2,y2,z2)、
Ankle-joint coordinate (x3,y3,z3), then hip joint to kneed space vector,
Space vector of the knee joint to ankle-joint, the space folder of thigh and shank
Angle, i.e. knee joint angle calculation formula is as follows.
Step S130, great amount of samples collection and clustering.
After the Bones and joints spatial angle measuring method for realizing Kinect, great amount of samples collection, including normal bone can be carried out
Joint data collection is collected with ill Bones and joints, then by clustering, is completed to the classification with different bone and joint diseases,
And in this, as criteria for classification.
As a kind of embodiment, system completes the classification of data using K mean cluster algorithm, and normal bone is closed first
Joint number draws the data area of standard according to being analyzed, then using normal data area as the standard analysed and compared, is closed to different
The Bones and joints angle-data of nodular condition is collected arrangement, has by K mean cluster algorithm to different situation joints data
The clustering of body, draws the data area and cluster centre point of each joint states, and calculates their error sum of squares, with
The human body Bones and joints data that detect are carried out with effective health evaluating and early stage medical diagnosis on disease for system.Specific clustering is calculated
Method refers to subsequent figure 2 and illustrated.
Step S140, osteoarticular function test is assessed.
As a kind of embodiment, what the osteoarticular function analysis to follow-up sample can be drawn with assessment according to step S130
Criteria for classification, judges which kind of current sample belongs to, and carries out Samples Estimates and test.
Step S150, visualization display and analysis and assessment.
As a kind of embodiment, the visualization of the present embodiment is shown based on Unity3D development platforms, with C# programming languages
Speech realizes that the visualized operation at interface and test are assessed.The real-time display of angle is tracked and measured by Kinect bones, is moved
The maximum that state updates Bones and joints bends and stretches angle, the test assessment result obtained according to step S140, completes osteoarticular function analysis.
As shown in Fig. 2 the osteoarticular function classification assessment algorithm schematic flow sheet of an embodiment of the present invention, including it is as follows
Step.
Step S210, initialization sample data determine cluster numbers n.
As a kind of embodiment, current embodiment require that gathering great amount of samples first, classification analysis is carried out to sample.Assuming that
The k example case data of large sample are obtained, with hip joint, knee joint, totally 12 data are divided into 6 kinds of situations for ankle-joint and left and right pin,
6 clusters are carried out, cluster numbers are n（n>1）.
Step S220, initializes the centre coordinate of n cluster.
During certain is once clustered, the coordinate meaning of current point is given, it is assumed that current point object x represents left foot hip joint flexion angles
Degree, y represents left foot hip joint stretching angle, initializes the centre coordinate point1 [n] of n cluster.
Step S230, calculates k groups data and the square distance sum of central point.
Clustered according to current cluster centre coordinate point1 [n], will be close with class center gather for a class is calculated
Now k groups data and central point point1 [n] square distance sum sum1, and find out the centre coordinate point2 of new class
[n]。
Step S240, calculates k groups data and the square distance sum of new central point.
Calculate now k groups data and the square distance sum sum2 of new central point point2 [n].
Step S250, judges whether sum1 value is equal with sum2 value.
If equal, into step S260；Unequal return to step S230.
Step S260, current cluster has been optimal, preserves the centre coordinate of current n cluster.
Current cluster has been optimal, in the cluster set of acquisition, and identical class has similar feature case, preserves current
The centre coordinate point [n] of n cluster.
As shown in figure 3, the osteoarticular function of an embodiment of the present invention assesses software interface schematic diagram, including such as bottom
Point.
Left side is the control button to software, and the test data of Bones and joints and gait, two of right side is shown in centre
Image is the color of image that captures of the depth information of image that captures of camera and the camera of lower section of top respectively
Multimedia message.During running software, [0002] complete complete can be seen when personnel to be tested station is in front of camera and in right
Body image, you can click on and start assessment system, then software will proceed by the angular surveying of Bones and joints.Bones and joints Space Angle
It is according to a hip joint, knee joint, the order of ankle-joint, and wherein according to the suitable of first left foot right crus of diaphragm again during degree measurement
Sequence, tester needs to measure in the correct order, and the joint data do not tested can aside be pointed out not test,
The data of test can show in test that current test needs manual click on to test next when completing, if tester is carried out
Having been slipped up during measurement makes error in data, can click on and retest button.It can be clicked on when all joints, which are tested, to complete strong
Health analysis and assessment button carries out simple articulation health analysis and assessment.If measuring gait, then need taking the photograph in tester
In the visual range of picture head, measurement gait is first clicked on, it is such as normal to walk according still further to predetermined walking posture, go upstairs, cross and hinder
Hinder, both feet, which close up, after tester walks represents that the data inputting of gait stops, and software stops data inputting, now may be used
To click on the gait situation in the current test of gait data display acquisition, such as gait cycle, monopodia support phase, biped support phase
Deng convenient to carry out gait analysis.
Compared with prior art, a kind of osteoarticular function appraisal procedure provided in an embodiment of the present invention and device, are to be based on
Newest augmented reality body feeling interaction equipment application, realization have the digitized functional assessment system of Bones and joints space angle be
The clinical medicine application of one new technology；By to great amount of samples clustering, forming the objective standard of science, being one has
Innovative standard.People can carry out early diagnosis early treatment and prevention to bone and joint diseases using technique, reduce the state of an illness
Deteriorate the possibility of the Bones and joints operation brought；The recovery for collecting patient after deformity of joint corrective procedure can also be tracked simultaneously
Information, investigates the state of an illness situation of patient, improves diagnostic and therapeutic effect.
In several embodiments provided herein, it should be understood that disclosed method, others can also be passed through
Mode is realized.Device embodiment described above is only schematical, for example, the flow chart and block diagram in accompanying drawing are shown
According to the device of multiple embodiments of the present invention, the architectural framework in the cards of method and computer program product, function and
Operation.At this point, each square frame in flow chart or block diagram can represent a part for a module, program segment or code,
A part for the module, program segment or code includes one or more executable fingers for being used to realize defined logic function
Order.It should also be noted that in some implementations as replacement, the function of being marked in square frame can also be with different from accompanying drawing
Middle marked order occurs.For example, two continuous square frames can essentially be performed substantially in parallel, they sometimes can also
Perform in the opposite order, this is depending on involved function.It is also noted that each side in block diagram and/or flow chart
The combination of frame and the square frame in block diagram and/or flow chart, can be with function or action as defined in performing it is special based on hard
The system of part is realized, or can be realized with the combination of specialized hardware and computer instruction.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (2)
1. a kind of osteoarticular function appraisal procedure, it is characterised in that this method includes the following three stage：
First stage, Bones and joints depth information is gathered using body feeling interaction equipment, calculate the space length between artis, utilized
Line-of-sight course, that is, the distance between wherein three Bones and joints points obtained calculate Bones and joints space angle；
Second stage, according to the Bones and joints spatial angle measuring method of first stage, in its natural state respectively to variety classes
Bone and joint diseases patient carry out joint maximum bend and stretch angular surveying, under enough sample sizes, calculated by using K mean cluster
Method is completed to the classification with different bone and joint diseases, and in this, as the standard of health evaluating；
Phase III, the accurate display Bones and joints space angle of digitlization, the maximum that dynamic updates Bones and joints bends and stretches angle, realizes bone
Function of joint visual analyzing and functional assessment.
2. a kind of osteoarticular function apparatus for evaluating, it is characterized in that, including Kinect device and supporting software systems, wherein soft
Part system performs the osteoarticular function appraisal procedure described in the claims 1.
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| CN108524068A (en) * | 2018-05-29 | 2018-09-14 | 湖南科技大学 | A kind of shank tendon rehabilitation equipment and operating method |
| CN108577849A (en) * | 2017-12-15 | 2018-09-28 | 华东师范大学 | A kind of physiological function detection method based on mist computation model |
| CN108968973A (en) * | 2018-08-07 | 2018-12-11 | 南通大学 | A kind of acquisition of body gait and analysis system and method |
| CN109199417A (en) * | 2018-09-06 | 2019-01-15 | 中山大学 | A kind of augmented reality method and system for athletic rehabilitation treatment |
| CN109549658A (en) * | 2019-01-02 | 2019-04-02 | 西南科技大学 | A kind of bone cement implant attribute quantitative analysis method |
| CN110151190A (en) * | 2019-05-23 | 2019-08-23 | 西南科技大学 | A kind of orthopaedics postoperative rehabilitation monitoring method and system |
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| CN108577849A (en) * | 2017-12-15 | 2018-09-28 | 华东师范大学 | A kind of physiological function detection method based on mist computation model |
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| CN108524068A (en) * | 2018-05-29 | 2018-09-14 | 湖南科技大学 | A kind of shank tendon rehabilitation equipment and operating method |
| CN108968973A (en) * | 2018-08-07 | 2018-12-11 | 南通大学 | A kind of acquisition of body gait and analysis system and method |
| CN109199417A (en) * | 2018-09-06 | 2019-01-15 | 中山大学 | A kind of augmented reality method and system for athletic rehabilitation treatment |
| CN109549658A (en) * | 2019-01-02 | 2019-04-02 | 西南科技大学 | A kind of bone cement implant attribute quantitative analysis method |
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| CN111481208A (en) * | 2020-04-01 | 2020-08-04 | 中南大学湘雅医院 | Auxiliary system, method and storage medium applied to joint rehabilitation |
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