CN109949902A - A kind of human body lower limbs comparison analysis data matching method - Google Patents
A kind of human body lower limbs comparison analysis data matching method Download PDFInfo
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- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 157
- 238000004458 analytical method Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000000153 supplemental effect Effects 0.000 claims abstract description 57
- 238000002595 magnetic resonance imaging Methods 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 19
- 210000000689 upper leg Anatomy 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 238000005457 optimization Methods 0.000 claims description 6
- 210000003414 extremity Anatomy 0.000 description 7
- 238000002266 amputation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 206010030113 Oedema Diseases 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 230000005311 nuclear magnetism Effects 0.000 description 2
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011542 limb amputation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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Abstract
A kind of human body lower limbs compare analysis data matching method and specifically include: Step 1: the lower limb supplemental characteristic for measuring multiple data acquisition target left and right sides obtains comparison lower limb supplemental characteristic, and the lower limb magnetic resonance imaging data of data acquisition target left and right sides obtain comparison lower limb magnetic resonance imaging data；Step 2: modeling to comparison lower limb magnetic resonance imaging data, comparison lower limb model is obtained；Step 3: the lower limb supplemental characteristic of measurement target object, obtains test lower limb supplemental characteristic；Step 4: the comparison lower limb supplemental characteristic for testing lower limb supplemental characteristic with corresponding step 1 obtains is carried out allosome symmetry analysis, allosome matching lower limb model is obtained；Step 5: matching lower limb model by the allosome that step 3 obtains, the lower limb magnetic resonance imaging data of the symmetrical side of same data acquisition target are searched, are Matching Model by lower limb magnetic resonance imaging data definition.This method first passes through the database for establishing comparison lower limb model, then measures the lower limb supplemental characteristic of target object, can quickly obtain Matching Model.
Description
Technical field
The invention belongs to Digital Medicine Technology field, characteristic is related to a kind of human body lower limbs comparison analysis data matching method.
Background technique
For amputation to as be easiest to occur complication be stump oedema, in order to promote deformed limb to be formed, operator in addition to
Outside to picture wrapping anhydrite, i.e. dress provisional prosthesis is also used, immediately to cover upper prosthetic socket to picture after amputation,
Stump oedema is prevented, promotes deformed limb and opposite side symmetrical.It but in existing medical science of recovery therapy field, is made using conventional method
Artificial limb, logical this method was that three type, repairing type, molding steps is taken to complete, and repairing type process is that manual operation is completed, this
Production method is related with the experience of technician, and the artificial limb made cannot be entirely appropriate to picture.
Therefore in view of the shortcomings of the prior art, providing a kind of human body lower limbs compares analysis data matching method to solve existing skill
Art deficiency is very necessary.
Summary of the invention
Human body lower limbs are provided and compare analysis Data Matching it is an object of the invention to avoid the deficiencies in the prior art place
Method.Human body lower limb compare analysis data matching method and greatly reduce to obtain the Matching Model time.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of human body lower limbs comparison analysis data matching method is provided, step includes:
Step 1: the lower limb supplemental characteristic for measuring multiple data acquisition target left and right sides obtains comparison lower limb supplemental characteristic,
And the lower limb magnetic resonance imaging data of data acquisition target left and right sides obtain comparison lower limb magnetic resonance imaging data；
Step 2: the comparison lower limb magnetic resonance imaging data obtained according to step 1 are modeled, comparison lower limb model is obtained；
Step 3: the lower limb supplemental characteristic of measurement target object, obtains test lower limb supplemental characteristic；
Step 4: the comparison lower limb parameter that the test lower limb supplemental characteristic that step 3 obtains is obtained with corresponding step 1
Data carry out allosome symmetry analysis, obtain allosome matching lower limb model；
Step 5: matching lower limb model by the allosome that step 3 obtains, the same data that finding step one obtains are acquired
Lower limb magnetic resonance imaging data definition is Matching Model by the lower limb magnetic resonance imaging data of the symmetrical side of object.
Preferably, above-mentioned lower limb supplemental characteristic includes Zhou Jing, above-knee edge 2acm weeks at above-knee edge Zhou Jing, above-knee edge acm
3acm weeks diameter of diameter and above-knee edge, there are 8 > a > 3.
Preferably, above-mentioned 6 >=a >=4.
Preferably, above-mentioned a is 5.
Preferably, above-mentioned steps two specifically include,
Step 2.1, the comparison lower limb magnetic resonance imaging data for obtaining step 1 import MIMICS19.0 software, adjust valve
Value；
Above-knee edge 10cm is to above-knee in step 2.2, selection " editor masking-out " tool interception comparison lower limb magnetic resonance imaging data
The range data of edge 25cm obtains comparison thigh data；
Step 2.3, the comparison thigh data for obtaining step 2.2 obtain STL formatted file in " calculating " function modeling；
Step 2.4, the STL formatted file for obtaining step 2.3 import Studio software, and optimization processing is compared
Wrap formatted file.
Preferably, above-mentioned optimization processing is to delete spike processing, quick fairing processing, modify at curved surface remnants spike
Reason, modification plane remnants spike and recess modification processing.
Preferably, the fairing degree of above-mentioned quick fairing processing is maximum level.
Preferably, above-mentioned steps four are specifically, the test lower limb supplemental characteristic that step 3 obtains is obtained with corresponding step 1
The comparison lower limb supplemental characteristic arrived carries out allosome symmetry analysis, when test lower limb supplemental characteristic and the phase for comparing lower limb supplemental characteristic
Difference is less than or equal to 2cm, i.e. the corresponding comparison lower limb model of data acquisition target of comparison lower limb supplemental characteristic is allosome matching
Lower limb model.
It includes 5 steps that human body lower limbs of the invention, which compare analysis data matching method, has been specifically included: Step 1: surveying
The lower limb supplemental characteristic for measuring multiple data acquisition target left and right sides obtains comparison lower limb supplemental characteristic, and data acquisition target or so
The lower limb magnetic resonance imaging data of side obtain comparison lower limb magnetic resonance imaging data；Step 2: the comparison lower limb core obtained to step 1
Magnetic image data is modeled, and comparison lower limb model is obtained；Step 3: the lower limb supplemental characteristic of measurement target object, is surveyed
Try lower limb supplemental characteristic；Step 4: under the comparison that the test lower limb supplemental characteristic that step 3 obtains is obtained with corresponding step 1
Limb supplemental characteristic carries out allosome symmetry analysis, obtains allosome matching lower limb model；Step 5: the allosome obtained by step 3
With lower limb model, the lower limb magnetic resonance imaging data of the symmetrical side for the same data acquisition target that finding step one obtains, by lower limb
Magnetic resonance imaging data definition is Matching Model.Of the invention first passes through the database for establishing comparison lower limb model, then only needs to survey
The lower limb supplemental characteristic for measuring target object, can be quickly obtained Matching Model.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is the flow chart that a kind of human body lower limbs compare analysis data matching method.
Fig. 2 is the schematic diagram after side thigh three-dimensional reconstruction.
Fig. 3 is the two-dimensional coronal after above knee amputation range section in side is cut in Mimics using editor's masking-out tool
Face schematic diagram.
Fig. 4 is the side above knee amputation range section three-dimensional reconstruction schematic diagram after tentatively cutting.
Fig. 5 is the schematic diagram that thigh STL model is imported into before handling in Geomagic Wrap.
Fig. 6 is the model schematic after smooth noise reduction process.
Fig. 7 is the model schematic by mirror symmetry.
Fig. 8 is the model schematic in the analysis of 2 allosome of embodiment after best alignment is fitted.
Fig. 9 is the result schematic diagram of the model 3D variance analysis of 2 allosome of embodiment analysis.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
A kind of human body lower limbs comparison analysis data matching method, as shown in Figures 1 to 6, step includes:
Step 1: the lower limb supplemental characteristic for measuring multiple data acquisition target left and right sides obtains comparison lower limb supplemental characteristic,
And the lower limb magnetic resonance imaging data of data acquisition target left and right sides obtain comparison lower limb magnetic resonance imaging data；
Step 2: the comparison lower limb magnetic resonance imaging data obtained according to step 1 are modeled, comparison lower limb model is obtained；
Step 3: the lower limb supplemental characteristic of measurement target object, obtains test lower limb supplemental characteristic；
Step 4: the comparison lower limb parameter that the test lower limb supplemental characteristic that step 3 obtains is obtained with corresponding step 1
Data carry out allosome symmetry analysis, obtain allosome matching lower limb model；
Step 5: matching lower limb model by the allosome that step 3 obtains, the same data that finding step one obtains are acquired
Lower limb magnetic resonance imaging data definition is Matching Model by the lower limb magnetic resonance imaging data of the symmetrical side of object.
Lower limb supplemental characteristic of the invention include Zhou Jing at above-knee edge Zhou Jing, above-knee edge acm, 2acm weeks diameter of above-knee edge and
3acm weeks diameter of above-knee edge, there are 8 > a > 3.Currently preferred 6 >=a >=4.The specific a of the present embodiment is 5, i.e. lower limb parameter
Data include 5acm weeks Zhou Jing at above-knee edge Zhou Jing, above-knee edge 5cm, 5acm weeks diameter of above-knee edge and above-knee edge diameter.Through a large amount of real
It tests data to show when a is 5, the error minimum and lower limb supplemental characteristic of obtained Matching Model cover the lower limb amputation of human body
The most common range.
It should be noted that a of the invention can be 5, or any number in 3 to 8, specific embodiment method
Depending on according to the actual situation.
Wherein step 2 specifically includes,
Step 2.1, the comparison lower limb magnetic resonance imaging data for obtaining step 1 import MIMICS19.0 software, adjust valve
Value；
Above-knee edge 10cm is to above-knee in step 2.2, selection " editor masking-out " tool interception comparison lower limb magnetic resonance imaging data
The range data of edge 25cm obtains comparison thigh data；
Step 2.3, the comparison thigh data for obtaining step 2.2 obtain STL formatted file in " calculating " function modeling；
Step 2.4, the STL formatted file for obtaining step 2.3 import Studio software, and optimization processing is compared
Wrap formatted file.
Optimization processing of the invention is deletion spike processing, quick fairing processing, modification curved surface remnants spike are handled,
Modify plane remnants spike and recess modification processing.
The fairing degree of quick fairing processing of the invention is maximum level.
Wherein step 4 is specifically, the comparison that the test lower limb supplemental characteristic that step 3 obtains is obtained with corresponding step 1
Lower limb supplemental characteristic carry out allosome symmetry analysis, when test lower limb supplemental characteristic with comparison lower limb supplemental characteristic differ be less than or
Equal to 2cm, i.e. the corresponding comparison lower limb model of data acquisition target of comparison lower limb supplemental characteristic is that allosome matches lower limb model.
It is that the symmetry of adult androgynous bilateral thigh is utilized that a kind of human body lower limbs of the invention, which compare analysis Data Matching,
And the symmetry of allosome thigh, what is obtained is suitable for amputation to as Matching Model.
It includes 5 steps that a kind of human body lower limbs, which compare analysis data matching method, has been specifically included: Step 1: measurement is more
The lower limb supplemental characteristic of a data acquisition target left and right sides obtains comparison lower limb supplemental characteristic, and data acquisition target left and right sides
Lower limb magnetic resonance imaging data obtain comparison lower limb magnetic resonance imaging data；Step 2: the comparison lower limb nuclear-magnetism shadow obtained to step 1
As data are modeled, comparison lower limb model is obtained；Step 3: the lower limb supplemental characteristic of measurement target object, obtains under test
Limb supplemental characteristic；Step 4: the test lower limb supplemental characteristic that step 3 obtains is joined with the comparison lower limb that corresponding step 1 obtains
Number data carry out allosome symmetry analysis, obtain allosome matching lower limb model；Step 5: under being matched by the allosome that step 3 obtains
Limb model, the lower limb magnetic resonance imaging data of the symmetrical side for the same data acquisition target that finding step one obtains, by lower limb nuclear-magnetism
Image data is defined as Matching Model.Of the invention first passes through the database for establishing comparison lower limb model, then need to only measure mesh
The lower limb supplemental characteristic for marking object, can be quickly obtained Matching Model.
Embodiment 2.
A kind of the allosome symmetry analysis and same number of the data acquisition target of human body lower limbs comparison analysis data matching method
According to the verifying of the androgynous symmetry analysis of acquisition target, as shown in Figs. 7-9.
(1) the allosome symmetry analysis of data acquisition target
By one of data acquisition target and be defined as comparison object, by compare object lower limb supplemental characteristic and other
The comparison lower limb supplemental characteristic that the corresponding step 1 of data acquisition target obtains carries out allosome symmetry analysis, when data acquisition target
It is less than or equal to 2cm with differing for comparison lower limb supplemental characteristic, i.e. the comparison of the data acquisition target of comparison lower limb supplemental characteristic
Lower limb model is that allosome matches lower limb model.
The wrap formatted file of the comparison lower limb model of this comparison object is matched to the wrap lattice of lower limb model with allosome
Formula file is carried out symmetrical analysis two-by-two.Specific method be perform fighting Qualify choose both wrap formatted file, operation
Best fit is aligned, and after being fitted alignment, clicks confirmation, and the 3D that reruns compares, and maximum positive and negative deviation, the maximum for obtaining the two are average
Deviation and standard deviation save result.
And the maximum for the standard deviation that the allosome symmetrical analysis for passing through data acquisition target obtains is no more than 5mm, therefore
Think that human body lower limbs of the invention compare analysis data matching method and have allosome symmetrical.
(2) the androgynous symmetry analysis of same data acquisition target
Definition by the comparison lower limb model of the right lower extremity of any one data acquisition target is right.wrap, left lower extremity
The definition of comparison lower limb model be left.wrap, right.wrap and left.wrap are subjected to symmetrical analysis.
It is specific as follows: to choose right lower extremity thigh, click " mirror image " in " tool ", click " pick-up plane ", right lower extremity
Thigh image carries out mirror symmetry, obtains the mirror image of right lower extremity thigh, deletes original image.By right lower extremity thigh mirror image
Best fit alignment, which is carried out, after fitting alignment is completed with left lower extremity thigh image clicks confirmation.Finally operation 3D compares, and obtains
Maximum positive and negative deviation, maximum average deviation to the two, standard deviation save result.
And the maximum for the standard deviation that the androgynous symmetrical analysis for passing through data acquisition target obtains is no more than 1mm
To think that left and right is full symmetric.The standard deviation of the left and right sides lower limb of many experiments knot verify data acquisition target is within 1mm.
Have consubstantiality symmetrical therefore, it is considered that human body lower limbs of the invention compare analysis data matching method.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention
It encloses.
Claims (8)
1. a kind of human body lower limbs compare analysis data matching method, which is characterized in that step includes:
Step 1: the lower limb supplemental characteristic for measuring multiple data acquisition target left and right sides obtains comparison lower limb supplemental characteristic, and number
Comparison lower limb magnetic resonance imaging data are obtained according to the lower limb magnetic resonance imaging data of acquisition target left and right sides；
Step 2: the comparison lower limb magnetic resonance imaging data obtained according to step 1 are modeled, comparison lower limb model is obtained；
Step 3: the lower limb supplemental characteristic of measurement target object, obtains test lower limb supplemental characteristic；
Step 4: the comparison lower limb supplemental characteristic that the test lower limb supplemental characteristic that step 3 obtains is obtained with corresponding step 1
Allosome symmetry analysis is carried out, allosome matching lower limb model is obtained；
Step 5: matching lower limb model, the same data acquisition target that finding step one obtains by the allosome that step 3 obtains
Symmetrical side lower limb magnetic resonance imaging data, by lower limb magnetic resonance imaging data definition be Matching Model.
2. human body lower limbs according to claim 1 compare analysis data matching method, it is characterised in that: the lower limb parameter
Data include 3acm weeks Zhou Jing at above-knee edge Zhou Jing, above-knee edge acm, 2acm weeks diameter of above-knee edge and above-knee edge diameter, and there are 8 > a
> 3.
3. human body lower limbs according to claim 2 compare analysis data matching method, it is characterised in that: 6 >=a >=4.
4. human body lower limbs according to claim 3 compare analysis data matching method, it is characterised in that: a is 5.
5. human body lower limbs according to claim 4 compare analysis data matching method, it is characterised in that: the step 2 tool
Body includes,
Step 2.1, the comparison lower limb magnetic resonance imaging data for obtaining step 1 import MIMICS19.0 software, adjust threshold values；
Above-knee edge 10cm to above-knee edge 25cm in step 2.2, selection editor's masking-out tool interception comparison lower limb magnetic resonance imaging data
Range data, obtain comparison thigh data；
Step 2.3, the comparison thigh data for obtaining step 2.2 are modeled in computing function, obtain STL formatted file；
Step 2.4, the STL formatted file for obtaining step 2.3 import Studio software, and optimization processing obtains comparison wrap lattice
Formula file.
6. human body lower limbs according to claim 5 compare analysis data matching method, it is characterised in that: the optimization processing
To delete spike processing, quick fairing processing, the processing of modification curved surface remnants spike, modification plane remnants spike and recess
Modification processing.
7. human body lower limbs according to claim 6 compare analysis data matching method, it is characterised in that: the quick fairing
The fairing degree of processing is maximum level.
8. human body lower limbs according to claim 7 compare analysis data matching method, it is characterised in that: the step 4 tool
Body is that the test lower limb supplemental characteristic that step 3 obtains is carried out allosome with the comparison lower limb supplemental characteristic that corresponding step 1 obtains
Symmetry analysis, when test lower limb supplemental characteristic is less than or equal to 2cm with differing for lower limb supplemental characteristic is compared, i.e. comparison lower limb are joined
The corresponding comparison lower limb model of data acquisition target of number data is that allosome matches lower limb model.
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| US20070133850A1 (en) * | 2005-12-08 | 2007-06-14 | Ebi, L.P. | System for making a medical device |
| CN106983589A (en) * | 2017-04-07 | 2017-07-28 | 河北工业大学 | A kind of active above-knee prosthesis TSM control method based on interference observer |
| US20190026599A1 (en) * | 2017-07-21 | 2019-01-24 | Dental Monitoring | Method for analyzing an image of a dental arch |
| CN109389676A (en) * | 2018-10-22 | 2019-02-26 | 南方医科大学 | A kind of creation method based on Medical Imaging Technology rehabilitation brace Morphological Model |
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2019
- 2019-03-26 CN CN201910229989.6A patent/CN109949902A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070133850A1 (en) * | 2005-12-08 | 2007-06-14 | Ebi, L.P. | System for making a medical device |
| CN106983589A (en) * | 2017-04-07 | 2017-07-28 | 河北工业大学 | A kind of active above-knee prosthesis TSM control method based on interference observer |
| US20190026599A1 (en) * | 2017-07-21 | 2019-01-24 | Dental Monitoring | Method for analyzing an image of a dental arch |
| CN109389676A (en) * | 2018-10-22 | 2019-02-26 | 南方医科大学 | A kind of creation method based on Medical Imaging Technology rehabilitation brace Morphological Model |
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Application publication date: 20190628 |