CN106767484A - Fabric size rate of change automatic testing method, apparatus and system - Google Patents
Fabric size rate of change automatic testing method, apparatus and system Download PDFInfo
- Publication number
- CN106767484A CN106767484A CN201710077025.5A CN201710077025A CN106767484A CN 106767484 A CN106767484 A CN 106767484A CN 201710077025 A CN201710077025 A CN 201710077025A CN 106767484 A CN106767484 A CN 106767484A
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- Prior art keywords
- fabric
- image
- rate
- washing
- mark point
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Abstract
The invention belongs to clothes and fabric detection technique field, and in particular to a kind of fabric size rate of change automatic testing method, apparatus and system, wherein, the method includes：Obtain the preceding image of fabric washing and wash rear image；Wherein, it is described to wash preceding image and indicate multiple mark points；A plurality of measurement line is determined according to the mark point；Using digital picture Auto-matching algorithm, the correspondence markings point region of rear image is washed with the mark point Region Matching for washing preceding image, determine the position of each mark point, and calculate the point spacing that line is measured described in each bar；According to the described rate of change of distance computation fabric size.The present invention improves certainty of measurement, it is to avoid human error, improves work efficiency.
Description
Technical field
The invention belongs to clothes and fabric detection technique field, and in particular to a kind of fabric size rate of change automatic detection side
Method, apparatus and system.
Background technology
The measurement of fabric expansion and contraction is the conventional project of clothes and fabric detection, and current usual way is to mark with ruler
Point does manual measurement, and most common mode is to scribble mark in the four of the square region of specified size angle points and four side midpoints
Note, then surveys each three line segments of transverse and longitudinal by sphere of movements for the elephants mode, being measured before washing and respectively after washing, then with average after being washed before washing
The ratio of size expresses telescopic level, is not only wasted time and energy using the method for manual measurement, and certainty of measurement is relatively low, easily
Error is produced, is further improved.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of fabric size rate of change automatic detection side
Method, apparatus and system, to solve the above problems.
The embodiment provides a kind of fabric size rate of change automatic testing method, including：
Obtain the preceding image of fabric washing and wash rear image；Wherein, wash preceding image and indicate multiple mark points；
A plurality of measurement line is determined according to mark point；
Using digital picture Auto-matching algorithm, the correspondence markings of rear image are washed with the mark point Region Matching for washing preceding image
Point region, determines the position of each mark point, and calculate the point spacing that each bar measures line；
According to a rate of change for distance computation fabric size.
Further, digital picture Auto-matching algorithm is classics SIFT algorithms.
Embodiments of the invention additionally provide a kind of fabric size rate of change automatic detection device, including：
Textile image acquisition module, for obtaining the preceding image of fabric washing and washing rear image；Wherein, wash preceding image and indicate multiple
Mark point；
Measurement line determining module, for determining a plurality of measurement line according to mark point；
Images match module, for utilizing digital picture Auto-matching algorithm, to wash the mark point Region Matching of preceding image
The correspondence markings point region of rear image is washed, the position of each mark point is determined, and calculates the point spacing that each bar measures line；
Rate of change computing module, for according to a rate of change for distance computation fabric size.
Embodiments of the invention additionally provide a kind of fabric size rate of change automatic checkout system, including said apparatus and use
Image and the camera shooting platform of rear image is washed before fabric washing is shot.
Further, camera shooting platform includes platform, camera and the lighting source for placing fabric to be measured, shooting
, located at the top of platform, lighting source is located at the both sides of camera for head.
Compared with prior art the beneficial effects of the invention are as follows：Improved using the mode of mark point topography Auto-matching
Certainty of measurement, from artificial millimeter class precision has brought up to submillimeter level precision；Objective measurement, and avoid human error；
From the direct result of calculation output report of measurement data, without manually copying number, work efficiency is improve.
Brief description of the drawings
Fig. 1 is the flow chart of fabric size rate of change automatic testing method of the present invention；
Fig. 2 is the correspondence markings on two images after being washed before fabric size rate of change automatic testing method matching of the present invention is washed
The schematic diagram in point region；
Fig. 3 is the structural representation of fabric size rate of change automatic checkout system camera shooting platform of the present invention.
Specific embodiment
The present invention is described in detail for shown each implementation method below in conjunction with the accompanying drawings, but it should explanation, these
Implementation method not limitation of the present invention, those of ordinary skill in the art according to these implementation method institutes works energy, method,
Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
Shown in ginseng Fig. 1 and Fig. 2, a kind of fabric size rate of change automatic testing method is present embodiments provided, including：
Step S1, obtains the preceding image 21 of fabric washing and washes rear image 22；Wherein, wash preceding image and indicate multiple mark points 23；
Step S2, a plurality of measurement line is determined according to mark point；
Step S3, using digital picture Auto-matching algorithm, rear image is washed with the mark point Region Matching for washing preceding image 21
22 correspondence markings point region, determines the position of each mark point 23, and calculates the point spacing that each bar measures line；
Step S4, according to a rate of change for distance computation fabric size.
In the present embodiment, digital picture Auto-matching algorithm can use classics SIFT algorithms.
Embodiments of the invention additionally provide a kind of fabric size rate of change automatic detection device, including：
Textile image acquisition module, for obtaining the preceding image of fabric washing and washing rear image；Wherein, wash preceding image and indicate multiple
Mark point；
Measurement line determining module, for determining a plurality of measurement line according to mark point；
Images match module, for utilizing digital picture Auto-matching algorithm, to wash the mark point Region Matching of preceding image
The correspondence markings point region of rear image is washed, the position of each mark point is determined, and calculates the point spacing that each bar measures line；
Rate of change computing module, for according to a rate of change for distance computation fabric size.
Shown in ginseng Fig. 3, the present embodiment additionally provides a kind of fabric size rate of change automatic checkout system, including the fabric chi
Very little rate of change automatic detection device device and for shooting the preceding image of fabric washing and washing the camera shooting platform of rear image.
In the present embodiment, camera shooting platform includes platform 1, camera 2 and the illumination for placing fabric to be measured 4
Light source 3, located at the top of platform 1, lighting source 3 is located at the both sides of camera 2 for camera 2.
The present embodiment absorbs the image of fabric using a set of camera shooting platform, is calculated using digital picture Auto-matching
Method, goes to match the correspondence markings point region (using classics SIFT algorithms) of figure after washing, really with the several mark point regions for washing preceding figure
Fixed each mark point position on the diagram, calculates the point spacing that each bar measures line, and (fabric size becomes finally can to calculate expansion and contraction
Rate), have the advantages that：
1st, certainty of measurement is improve using the mode of mark point topography Auto-matching, is carried from artificial millimeter class precision
Height has arrived submillimeter level precision.
2nd, objective measurement, and avoid human error.
3rd, from the direct result of calculation output report of measurement data, without manually copying number, improve work efficiency.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Claims (5)
1. a kind of fabric size rate of change automatic testing method, it is characterised in that including：
Obtain the preceding image of fabric washing and wash rear image；Wherein, it is described to wash preceding image and indicate multiple mark points；
A plurality of measurement line is determined according to the mark point；
Using digital picture Auto-matching algorithm, the correspondence markings point area of rear image is washed with the mark point Region Matching for washing preceding image
Domain, determines the position of each mark point, and calculates the point spacing that line is measured described in each bar；
According to the described rate of change of distance computation fabric size.
2. fabric size rate of change automatic testing method according to claim 1, it is characterised in that the digital picture from
Dynamic matching algorithm is classics SIFT algorithms.
3. a kind of fabric size rate of change automatic detection device, it is characterised in that including：
Textile image acquisition module, for obtaining the preceding image of fabric washing and washing rear image；Wherein, it is described to wash preceding image and indicate multiple
Mark point；
Measurement line determining module, for determining a plurality of measurement line according to the mark point；
Images match module, for utilizing digital picture Auto-matching algorithm, after being washed with the mark point Region Matching for washing preceding image
The correspondence markings point region of image, determines the position of each mark point, and calculates the point spacing that line is measured described in each bar；
Rate of change computing module, for according to the described rate of change of distance computation fabric size.
4. a kind of fabric size rate of change automatic checkout system, it is characterised in that including the device described in claim 3 and be used for
Shoot the preceding image of fabric washing and wash the camera shooting platform of rear image.
5. fabric size rate of change automatic checkout system according to claim 4, it is characterised in that the camera shoots
Platform includes platform, camera and the lighting source for placing fabric to be measured, and the camera is located at the top of the platform,
The lighting source is located at the both sides of the camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710077025.5A CN106767484A (en) | 2017-02-13 | 2017-02-13 | Fabric size rate of change automatic testing method, apparatus and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710077025.5A CN106767484A (en) | 2017-02-13 | 2017-02-13 | Fabric size rate of change automatic testing method, apparatus and system |
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| CN106767484A true CN106767484A (en) | 2017-05-31 |
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| CN201710077025.5A Pending CN106767484A (en) | 2017-02-13 | 2017-02-13 | Fabric size rate of change automatic testing method, apparatus and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356207A (en) * | 2017-06-27 | 2017-11-17 | 泉州华中科技大学智能制造研究院 | A kind of the winged of view-based access control model identification knits vamp deformation detection method |
| CN109270002A (en) * | 2018-09-30 | 2019-01-25 | 东莞市默欣电子科技有限公司 | Cloth washing shrinkage visible detection method and its use |
| CN114486898A (en) * | 2022-04-06 | 2022-05-13 | 季华实验室 | Fabric shrinkage testing method and system for complex color and texture |
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| JPS6443710A (en) * | 1987-08-11 | 1989-02-16 | Agency Ind Science Techn | Cloth shape detecting method |
| CN101644565A (en) * | 2008-08-04 | 2010-02-10 | 香港纺织及成衣研发中心 | Digital test system and method for dimension variety and distortion of textile |
| CN101979751A (en) * | 2010-09-28 | 2011-02-23 | 中华人民共和国陕西出入境检验检疫局 | Method for detecting dimensional stability of fabric based on image analysis |
| CN102494642A (en) * | 2011-12-09 | 2012-06-13 | 江南大学 | Washing action strength index determination method of domestic washing machine based on machine vision |
| CN202956099U (en) * | 2012-11-20 | 2013-05-29 | 吴江市利群纺织有限公司 | Device for automatically measuring textile size change rate |
| CN103615988A (en) * | 2013-11-29 | 2014-03-05 | 东华大学 | Measuring device and method for textile material spherical compressing surface deformation form |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6443710A (en) * | 1987-08-11 | 1989-02-16 | Agency Ind Science Techn | Cloth shape detecting method |
| CN101644565A (en) * | 2008-08-04 | 2010-02-10 | 香港纺织及成衣研发中心 | Digital test system and method for dimension variety and distortion of textile |
| CN101979751A (en) * | 2010-09-28 | 2011-02-23 | 中华人民共和国陕西出入境检验检疫局 | Method for detecting dimensional stability of fabric based on image analysis |
| CN102494642A (en) * | 2011-12-09 | 2012-06-13 | 江南大学 | Washing action strength index determination method of domestic washing machine based on machine vision |
| CN202956099U (en) * | 2012-11-20 | 2013-05-29 | 吴江市利群纺织有限公司 | Device for automatically measuring textile size change rate |
| CN103615988A (en) * | 2013-11-29 | 2014-03-05 | 东华大学 | Measuring device and method for textile material spherical compressing surface deformation form |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356207A (en) * | 2017-06-27 | 2017-11-17 | 泉州华中科技大学智能制造研究院 | A kind of the winged of view-based access control model identification knits vamp deformation detection method |
| CN107356207B (en) * | 2017-06-27 | 2019-04-16 | 泉州华中科技大学智能制造研究院 | A kind of the winged of view-based access control model identification knits vamp deformation detection method |
| CN109270002A (en) * | 2018-09-30 | 2019-01-25 | 东莞市默欣电子科技有限公司 | Cloth washing shrinkage visible detection method and its use |
| CN114486898A (en) * | 2022-04-06 | 2022-05-13 | 季华实验室 | Fabric shrinkage testing method and system for complex color and texture |
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