CN107656016B - A kind of while test fabric hard and soft and drapability method - Google Patents
A kind of while test fabric hard and soft and drapability method Download PDFInfo
- Publication number
- CN107656016B CN107656016B CN201710841756.2A CN201710841756A CN107656016B CN 107656016 B CN107656016 B CN 107656016B CN 201710841756 A CN201710841756 A CN 201710841756A CN 107656016 B CN107656016 B CN 107656016B
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- pin
- fabric
- rectangular specimen
- point cloud
- successively
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/0006—Industrial image inspection using a design-rule based approach
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N2033/0078—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 testing material properties on manufactured objects
- G01N2033/0086—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 testing material properties on manufactured objects clothes; hosiery
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10028—Range image; Depth image; 3D point clouds
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30124—Fabrics; Textile; Paper
Abstract
The invention discloses the methods of a kind of test fabric hard and soft and drapability simultaneously.Step 1: fabric to be measured is cut into the first rectangular specimen and the second rectangular specimen.I=1,2, successively execute Step 2: three, four, five and six.Step 2: the i-th rectangular specimen is placed on the fixed device of fabric.Step 3: shooting fabric photo with image-pickup device.Step 4: obtaining a cloud and three-dimensional point cloud coordinate array with Imageware software.Step 5: three-dimensional point cloud coordinate array is saved the data file at asc format, and reopened in Imageware.Step 6: carrying out image and feature extraction in Imageware software.Step 7: finding out fabric bending stiffness E and Drape coefficient F to be measured.
Description
Technical field
The invention belongs to textile garment technical field of performance test, and in particular to a kind of test fabric hard and soft simultaneously and outstanding
The method for property of hanging down.
Background technique
The hard and soft and drapability of fabric are the important performances for influencing appearance of fabrics, carry out accurately testing to it especially heavy
It wants, existing fabric hard and soft and drapability test are carried out separately, i.e., a kind of method can only test a Xiang Xingneng；It is existing to knit
It is recorded in 66 fabric hard and soft of the test test of method P405-414 in " textile material test study course " of object hard and soft test；
Remember in 67 drapability of the test test of method P405-414 in " textile material test study course " of existing fabric hard and soft test
Carry (" textile material test study course ", Zhao Shujing chief editor, 1989.6, Beijing: China Textiles Press).Existing experimental work amount
It is larger, many fabric samples should be consumed, are taken a lot of time again, consumption object is taken time and effort.
Summary of the invention
The purpose of the present invention is to provide the methods of a kind of test fabric hard and soft and drapability simultaneously
The fixed device of the fabric that the present invention uses, including the first pin, the second pin, third pin and image are taken the photograph
Take device.First pin, the second pin and third pin are horizontally disposed.First pin, the second pin and
Three pins are being respectively three vertex of isosceles triangle perpendicular to the projection on the first pin axial plane.First major part
Needle and the second pin spacing 6cm and wait high settings.Third pin is located under the first pin and the second pin line
At square 2cm, and on the perpendicular bisector of the first pin and the second pin line.
The method of test fabric hard and soft and drapability is specific as follows simultaneously for this:
Step 1: being cut into the first rectangular specimen and the second rectangular specimen for after fabric ironing to be measured.First rectangular specimen
And second rectangular specimen be in 15cm × 2.5cm rectangle.The length sides of first rectangular specimen are along fabric to be measured through to setting.
The length sides of second rectangular specimen are arranged along the broadwise of fabric to be measured.It is drawn respectively on the first rectangular specimen and the second rectangular specimen
Mark line out.Mark line is the line at two length sides midpoints.I=1,2, successively execute Step 2: three, four, five and six.
Step 2: the i-th rectangular specimen is placed on the fixed device of fabric.So that the i-th rectangular specimen is from third pin
Lower section bypass, bypassed from the top of the first pin and the second pin, and mark line is contacted with third pin.
Consolidate Step 3: being placed on fabric from the direction shooting for being parallel to the i-th rectangular specimen width edge with image-pickup device
Determine the i-th rectangular specimen on device.Obtain fabric photo.
Step 4: fabric photo is imported Imageware software；And " creation point " processing is carried out to fabric photo, it obtains
Along the point cloud and three-dimensional point cloud coordinate array of the formed M shape arrangement of the i-th rectangular specimen in fabric photo.
Step 5: three-dimensional point cloud coordinate array is saved the data file at asc format, and in Imageware again
It opens.
Step 6: carrying out image and feature extraction in Imageware software.
1. being fitted back-up curve according to three-dimensional point cloud coordinate array: operating procedure is successively to click " building ", " You Dianyun structure
Build curve ", " uniform curve ".18 are inserted on " linear order " column, inserts 10 on " span " column." starting point ", " terminal " column select
Select " fixation ".Click " application " button.
2. constructing tolerance curve according to three-dimensional point cloud coordinate array: operating procedure is successively to click " building ", " You Dianyun structure
Build curve ", " tolerance curve ".0.1000 is inserted on " tolerance " column, inserts 18 on " order " column, it is flat for setting " deviation pattern " column
Equal deviation." application " button is clicked, the tolerance curve built-up according to three-dimensional point cloud coordinate array is obtained, and obtains tolerance song
Line characteristic size Mi。
3. assessing straightness Li: operating procedure is successively to click " assessment ", " point cloud characteristic ", " straightness ", obtains straight line
Spend Li。
4. assessing the curvature of three-dimensional point cloud coordinate array, curvature of curve: operating procedure be successively click " assessment ",
" curvature ", " Point cloud curvature/curvature of curve " obtains Point cloud curvature and is distributed adjacent size Ni。
Step 7: finding out fabric bending stiffness E to be measured:
Find out Drape coefficient F:
Further, the image-pickup device uses 10,000,000 or more digital camera of pixel.
Further, step 4 specific steps are as follows: successively click " creation ", " point " first, then successively click
" editor ", " parameter setting ", and display format of the setting using " yellow medicine ball " as point in " parameter setting ".
The invention has the advantages that:
1, the present invention can measure the value of fabric hard and soft and drapability simultaneously.It avoids and is directed to hard and soft respectively and hangs
Property of hanging down is tested twice, is greatly accelerated the cost of fabric property measurement, is shortened the test period.
2, the present invention only needs camera, three tacks and a rectangular specimen that measurement fabric hard and soft can be completed and hang
The measurement for property of hanging down, process are simple and convenient.
3, the present invention carries out acquisition data by Imageware software, as a result accurate reliable.
Detailed description of the invention
Fig. 1 is the schematic diagram for the fixed device of fabric that the present invention uses；
Fig. 2 is that rectangular specimen is placed into the schematic diagram on the fixed device of fabric in the present invention.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1, a kind of fixed device of fabric that the method for test fabric hard and soft and drapability simultaneously uses, including
First pin 1, the second pin 2, third pin 3 and image-pickup device.Image-pickup device uses pixel 10,000,000
The above digital camera.First pin 1, the second pin 2 and third pin 3 are horizontally disposed, and arrange in isosceles triangle
Cloth (i.e. distinguish perpendicular to the projection on the first pin axial plane by the first pin, the second pin and third pin
For three vertex of isosceles triangle.).First pin 1 and 2 spacing 6cm of the second pin and wait high settings.Third pin
3 are located at the lower section 2cm of 2 line of the first pin 1 and the second pin, and in 2 line of the first pin 1 and the second pin
Perpendicular bisector on.
The method of test fabric hard and soft and drapability is specific as follows simultaneously for this:
Step 1: by fabric ironing to be measured it is smooth after, be cut into the first rectangular specimen and the second rectangular specimen.First rectangle
Sample and the second rectangular specimen are in the rectangle of 15cm × 2.5cm.The length sides of first rectangular specimen along fabric to be measured through to
Setting.The length sides of second rectangular specimen are arranged along the broadwise of fabric to be measured.On the first rectangular specimen and the second rectangular specimen
Mark line is drawn respectively.Mark line is the line at two length sides midpoints.I=1,2, successively execute Step 2: three, four, five and
Six.
Step 2: as shown in Fig. 2, the i-th rectangular specimen is placed on the fixed device of fabric.So that the i-th rectangular specimen from
The lower section of third pin 3 bypasses, and bypasses from the top of the first pin 1 and the second pin 2, and mark line and third major part
Needle 3 contacts.The length sides of the i-th rectangular specimen are in M shape at this time.
Consolidate Step 3: being placed on fabric from the direction shooting for being parallel to the i-th rectangular specimen width edge with image-pickup device
Determine the i-th rectangular specimen on device.Obtain fabric photo.
Step 4: fabric photo is imported Imageware software；And " creation point " processing is carried out to fabric photo, it obtains
Along the formed M shape arrangement of the i-th rectangular specimen in fabric photo point cloud (i.e. along the i-th rectangular specimen length sides settings from
The set of scatterplot) and three-dimensional point cloud coordinate array (i.e. the set of all the points coordinate in point cloud).Operating procedure is successively point first
" creation ", " point " are hit, then successively clicks " editor ", " parameter setting ", and is set in " parameter setting " using " yellow is solid
Display format of the ball " as point.
Step 5: three-dimensional point cloud coordinate array is saved the data file at asc format, and in Imageware again
It opens.At this point, only showing corresponding cloud distribution map of M shape curve, fabric photo is not shown.
Step 6: carrying out image and feature extraction in Imageware software.
1. being fitted back-up curve according to three-dimensional point cloud coordinate array: operating procedure is successively to click " building ", " You Dianyun structure
Build curve ", " uniform curve ".18 are inserted on " linear order " column, inserts 10 on " span " column." starting point ", " terminal " column select
" fixation " is selected, so that the two-end-point for the back-up curve being fitted to is respectively superposed with M shape curve two-end-point.Click " application " button.
While obtaining back-up curve, the shape for putting cloud, which is more approached, is formed by M shape with the i-th rectangular specimen in fabric photo.
When " linear order " is below 18 ranks, puts cloud and the compatible degree of the formed M shape of the i-th rectangular specimen in fabric photo is got over
It is small；When " linear order " is more than 18 ranks, order is bigger, and point cloud agrees with the formed M shape of the i-th rectangular specimen in fabric photo
It spends smaller.The degree of the formed M shape of i-th rectangular specimen in shape approximation fabric photo of the compatible degree to put cloud, therefore, compatible degree
When getting maximum, the similarity degree for putting the formed M shape of the i-th rectangular specimen in the shape and fabric photo of cloud is maximum.Therefore " linear rank
Number " column is set as 18.
2. constructing tolerance curve according to three-dimensional point cloud coordinate array: operating procedure is successively to click " building ", " You Dianyun structure
Build curve ", " tolerance curve ".0.1000 is inserted on " tolerance " column, inserts 18 on " order " column, it is flat for setting " deviation pattern " column
Equal deviation clicks " application " button, obtains the tolerance curve built-up according to three-dimensional point cloud coordinate array, and obtains tolerance song
Line characteristic size Mi。
3. assessing straightness Li: operating procedure is successively to click " assessment ", " point cloud characteristic ", " straightness ", obtains straight line
Spend Li.The straightness of shape represented by straightness will be calculated and be shown by three-dimensional point cloud coordinate array.The function calculating and display
The straight degree of shape represented by three-dimensional point cloud coordinate array, and include shape represented by entire three-dimensional point cloud coordinate array with one
The radius of the boundary cylinder of shape indicates.Software is automatically placed on boundary cylinder so that the smallest position of the radius value of boundary cylinder
It sets.At this point, the boundary cylinder is a fully wrapped around firmly tolerance curve, and diameter the smallest cylinder (i.e. boundary cylinder and tolerance
The two-end-point of curve and two peak points contact, and the vertical distance of the endpoint of tolerance curve and peak point is equal to boundary cylinder
Diameter).The radius value of boundary cylinder is straightness Li。
4. assessing the curvature of three-dimensional point cloud coordinate array, curvature of curve: operating procedure be successively click " assessment ",
" curvature ", " Point cloud curvature/curvature of curve " obtains Point cloud curvature and is distributed adjacent size Ni.It is aobvious that Point cloud curvature is distributed adjacent size
The deep camber in shape represented by three-dimensional point cloud coordinate array and the distribution relation between small curvature, i.e. three-dimensional point cloud coordinate are shown
Most bending section site and the curvature difference closest to straight line portion site in shape represented by array.
Step 7: finding out fabric bending stiffness E to be measured:
Find out Drape coefficient F:
Claims (3)
1. a kind of method of test fabric hard and soft and drapability simultaneously, it is characterised in that: the fixed device of the fabric of use, including
First pin, the second pin, third pin and image-pickup device；First pin, the second pin and the third-largest
Scalp acupuncture is horizontally disposed；First pin, the second pin and third pin are on perpendicular to the first pin axial plane
Projection be respectively isosceles triangle three vertex；First pin and the second pin spacing 6cm and wait high settings；Third
Pin is located at the lower section 2cm of the first pin and the second pin line, and connects in the first pin and the second pin
On the perpendicular bisector of line；
The method of test fabric hard and soft and drapability is specific as follows simultaneously for this:
Step 1: being cut into the first rectangular specimen and the second rectangular specimen for after fabric ironing to be measured；First rectangular specimen and
Two rectangular specimens are in the rectangle of 15cm × 2.5cm；The length sides of first rectangular specimen are along fabric to be measured through to setting；Second
The length sides of rectangular specimen are arranged along the broadwise of fabric to be measured；Note is drawn respectively on the first rectangular specimen and the second rectangular specimen
Number line；Mark line is the line at two length sides midpoints；I=1,2, successively execute Step 2: three, four, five and six；
Step 2: the i-th rectangular specimen is placed on the fixed device of fabric；So that the i-th rectangular specimen is under third pin
Side bypasses, and bypasses from the top of the first pin and the second pin, and mark line is contacted with third pin；
Step 3: being placed on fabric from the direction shooting for being parallel to the i-th rectangular specimen width edge with image-pickup device fixes dress
The i-th rectangular specimen set；Obtain fabric photo；
Step 4: fabric photo is imported Imageware software；And " creation point " processing is carried out to fabric photo, obtain along
The point cloud and three-dimensional point cloud coordinate array of the formed M shape arrangement of i-th rectangular specimen in fabric photo；
Step 5: three-dimensional point cloud coordinate array is saved the data file at asc format, and reopened in Imageware；
Step 6: carrying out image and feature extraction in Imageware software；
1. being fitted back-up curve according to three-dimensional point cloud coordinate array: operating procedure is successively to click " building ", " by a cloud building song
Line ", " uniform curve "；18 are inserted on " linear order " column, inserts 10 on " span " column；" starting point ", " terminal " column select " Gu
It is fixed "；Click " application " button；
2. constructing tolerance curve according to three-dimensional point cloud coordinate array: operating procedure is successively to click " building ", " by a cloud building song
Line ", " tolerance curve "；0.1000 is inserted on " tolerance " column, inserts 18 on " order " column, sets " deviation pattern " column as averagely partially
Difference；" application " button is clicked, the tolerance curve built-up according to three-dimensional point cloud coordinate array is obtained, and it is special to obtain tolerance curve
Levy size Mi；
3. assessing straightness Li: operating procedure is successively to click " assessment ", " point cloud characteristic ", " straightness ", obtains straightness Li；
4. assessing the curvature of three-dimensional point cloud coordinate array, curvature of curve: operating procedure is successively to click " assessment ", " song
Rate ", " Point cloud curvature/curvature of curve " obtain Point cloud curvature and are distributed adjacent size Ni；
Step 7: finding out fabric bending stiffness E to be measured:
Find out Drape coefficient F:
2. the method for a kind of test fabric hard and soft and drapability simultaneously according to claim 1, it is characterised in that: described
Image-pickup device use 10,000,000 or more digital camera of pixel.
3. the method for a kind of test fabric hard and soft and drapability simultaneously according to claim 1, it is characterised in that: step
Four specific steps are as follows: first successively click " creation ", " point ", then successively click " editor ", " parameter setting ", and
Display format of the setting using " yellow medicine ball " as point in " parameter setting ".
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| CN201710841756.2A CN107656016B (en) | 2017-09-18 | 2017-09-18 | A kind of while test fabric hard and soft and drapability method |
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| CN201710841756.2A CN107656016B (en) | 2017-09-18 | 2017-09-18 | A kind of while test fabric hard and soft and drapability method |
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| CN107656016A CN107656016A (en) | 2018-02-02 |
| CN107656016B true CN107656016B (en) | 2019-10-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142357B (en) * | 2018-08-09 | 2020-11-17 | 浙江理工大学 | Method for testing fabric bending property and drapability in inverted omega mode |
| CN109142690B (en) * | 2018-08-09 | 2020-11-03 | 浙江理工大学 | Multi-direction stiffness testing method for clothing fabric |
| CN109241059A (en) * | 2018-08-30 | 2019-01-18 | 百度在线网络技术（北京）有限公司 | A kind of building method of point cloud data, device, electronic equipment and storage medium |
| CN110031332B (en) * | 2019-04-29 | 2023-03-31 | 西南大学 | Method for testing stiffness of fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100427929C (en) * | 2005-12-20 | 2008-10-22 | 东华大学 | Image testing method for fabric dynamic and static drapability and testing apparatus thereof |
| CN101907575A (en) * | 2010-06-11 | 2010-12-08 | 东华大学 | Fabric dynamic drapability testing device and method |
| JP5793415B2 (en) * | 2011-12-26 | 2015-10-14 | 一般財団法人カケンテストセンター | Drapability test equipment |
| CN102788729B (en) * | 2012-07-26 | 2014-02-26 | 浙江理工大学 | Test method for bending performance of fabric |
| CN102890088B (en) * | 2012-10-31 | 2015-03-25 | 青岛大学 | Method and device for evaluating formability of fabric |
| CN103134799B (en) * | 2013-01-16 | 2016-12-07 | 浙江理工大学 | A kind of method of testing of the unidirectional draping property of fabric |
| CN105353108B (en) * | 2015-10-27 | 2017-02-01 | 浙江理工大学 | Test device and method for simulating bulging property of fabric in actual wearing |
| CN106909763A (en) * | 2017-04-19 | 2017-06-30 | 南宁市大海服装科技有限公司 | A kind of weaving face fabric physical characteristic number attribute simulation system and measuring method |
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Effective date of registration: 20211221 Address after: 230000 Anhui Hefei high tech Zone Innovation Industrial Park two phase J2 District C block 18 floor. Patentee after: HEFEI LONGTUTEM INFORMATION TECHNOLOGY Co.,Ltd. Address before: 310018 No. 2 street, Xiasha Higher Education Park, Hangzhou, Zhejiang, 928 Patentee before: ZHEJIANG SCI-TECH University |
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Effective date of registration: 20211223 Address after: No.47, Qingyang North Road, Tianning District, Changzhou City, Jiangsu Province 213000 Patentee after: SGS-CSTC STANDARDS TECHNICAL SERVICES (CHANGZHOU) Co.,Ltd. Address before: 230000 Anhui Hefei high tech Zone Innovation Industrial Park two phase J2 District C block 18 floor. Patentee before: HEFEI LONGTUTEM INFORMATION TECHNOLOGY Co.,Ltd. |
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