CN103741443A - Online detection system and online detection method for pattern distance - Google Patents
Online detection system and online detection method for pattern distance Download PDFInfo
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- CN103741443A CN103741443A CN201310722244.6A CN201310722244A CN103741443A CN 103741443 A CN103741443 A CN 103741443A CN 201310722244 A CN201310722244 A CN 201310722244A CN 103741443 A CN103741443 A CN 103741443A
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Abstract
The invention discloses an online detection system for a pattern distance. The online detection system comprises a main camera used for acquiring cloth pattern images and arranged above the cloth inlet end and/or the cloth outlet end of the oven of a setting machine, wherein the main camera is connected with a gigabit switch used for switching information; the gigabit switch is connected with a computer used for analysing and processing the cloth pattern images; the computer is connected with a cloth feeding controller used for controlling a cloth feeding amount in a unit time and a weft straightener used for adjusting pattern skewnesses; the cloth feeding controller is connected with a cloth charger; the weft straightener is connected with the cloth charger. According to the online detection system disclosed by the invention, the cloth images are acquired by the main camera, and analysed by the computer to obtain the data of the heights, widths, skewnesses and the like of image patterns, the cloth feeding controller is controlled according to the analysed results of the heights, widths, skewnesses and the like of the image patterns to adjust a cloth charge amount, and the weft straightener is controlled to adjust the skewnesses of the patterns.
Description
[technical field]
The present invention relates to flower spacing on-line detecting system and detection method thereof.
[background technology]
At present, in traditional dyeing and finishing industry, when the cloth that lace cloth etc. is had to various colored types is shaped, by being manually sitting on the boiling hot board of working, use ruler measurement flower type spacing, so not only there is the problems such as dangerous and labor intensive, and can not get spending accurately type certainty of measurement, also can not get the skew of weft data of flower type simultaneously, for in the quick dyeing and finishing campaign of cloth, can not obtain in time the height of spending of flower type, spend wide, skew of weft lamp data are adjusted machine, can cause the height of spending between cloth pattern, spend wide and skew of weft to occur deviation or mistake, make cloth become substandard products, be worth greatly and reduce.
[summary of the invention]
The present invention has overcome the deficiency of above-mentioned technology, colored spacing on-line detecting system and detection method thereof are provided, utilize main camera and auxiliary camera to obtain cloth image, by computer, cloth image is analyzed and obtained spending height, spending the data such as wide and skew of weft of image flower type, and spending height, spend the analysiss output controls such as wide and skew of weft to enter cloth controller to adjust into cloth amount and control weft straightener adjustment flower type latitude according to image flower type.
For achieving the above object, the present invention has adopted following technical proposal:
Flower spacing on-line detecting system, include and above setting machine baking oven cloth intlet and/or cloth outlet, be provided with the main camera 1 that obtains cloth flower type image, described main camera 1 is connected with the gigabit switch 2 for exchange message, described gigabit switch 2 is connected with the computer 3 for analyzing and processing cloth flower type image, described computer 3 is connected with feeds cloth controller 4 and for adjusting the weft straightener 5 of colored type skew of weft for what control that the unit interval enters cloth amount, the described cloth controller 4 of feeding is connected with into cloth device 6, described weft straightener 5 with enter cloth device 6 and be connected, thereby described computer 3 obtains cloth cover flower type image and controls and feed cloth controller 4 and adjust entering cloth amount and controlling weft straightener 5 and adjust cloth skew of weft into cloth device 6 by analyzing main camera 1.
Described gigabit switch 2 is also connected with and is arranged on setting machine baking oven cloth intlet and/or cloth outlet for obtaining the auxiliary camera 7 of the sagging height of cloth.
Described computer 3 is connected with the illuminating lamp 8 for improving cloth flower type brightness of image.
Flower spacing online test method, its step is as follows:
Step 1, the setting cloth speed of service are v, from main camera 1, obtain any piece image, be set as detected image, take the upper left corner of detected image as initial point, be made as from left to right X-axis, be made as Y-axis from top to bottom, set up rectangular coordinate system, wherein the span of the cloth speed of service is 0 < v < 2m/s;
Step 2, computer 3 carry out the frequency spectrum of Fourier transformation acquisition detected image to detected image, according to the distribution of the inferior high-energy point on detected image frequency spectrum, obtain the colored type number of cycles in detected image, and obtain the estimated value of flower type cycle size;
Step 3, intercepting size are less than one-period estimated value and must spend type image as standard drawing; Split detected image, make the each picture size after splitting be greater than the estimated value of one-period.Wherein between broken away view picture, there is lap;
Step 4, above-mentioned standard picture and broken away view are looked like to carry out matching degree computing, by each coordinate points (x, y) of a width broken away view picture, substitution matching degree discrimination formula respectively
In, the R of the each point coordinates of contrast broken away view
ccorr(x, y) value, gets R
ccorrcorresponding this broken away view coordinate of (x, y) maximum (x
1, y
1).Wherein I ' (x ', y ') is standard drawing at the gray value of (x ', y ') point, I (x+x ', the y+y ') gray value that be broken away view put at (x+x ', y+y ').Broken away view coordinate (x
1, y
1) as a coordinate of flower type periodic array, repeating step four, until obtain the colored type periodic array coordinate of all broken away view pictures;
Step 5, according to the colored type periodic array coordinate of all broken away view pictures obtained above, calculate spending height, spending wide and skew of weft data of detected image flower type, computer 3 obtains the sagging height of cloth by auxiliary camera 7, to the spending height, spend the data such as wide and skew of weft to compensate of detected image flower type, computer 3 is spent height, is spent wide and skew of weft data to control respectively to feed cloth controller 4 and adjust into cloth amount and control weft straightener 5 and adjust skew of weft according to image pattern.
The invention has the beneficial effects as follows:
1, the present invention adopts main camera, auxiliary camera to obtain respectively the just colored type image of rapid movement cloth and cloth flower type skew of weft on Work machine, has replaced manual operation, has improved staff's security and has saved the time.
2, the present invention analyzes the cloth flower type image in motion by master controller, and controls in time into cloth controller and adjust into cloth amount and control weft straightener and adjust cloth skew of weft, has improved the Efficiency and accuracy of dyeing and finishing.
3, the skew of weft of energy Quick Measurement cloth flower type of the present invention, has improved the quality of cloth flower type after dyeing and finishing greatly.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is schematic flow sheet of the present invention.
[specific embodiment]
Below in conjunction with accompanying drawing and embodiments of the present invention, be described in further detail:
As shown in Figure 1, flower spacing on-line detecting system, include and above setting machine baking oven cloth intlet and/or cloth outlet, be provided with the main camera 1 that obtains cloth flower type image, described main camera 1 is connected with the gigabit switch 2 for exchange message, described gigabit switch 2 is connected with the computer 3 for analyzing and processing cloth flower type image, described computer 3 is connected with feeds cloth controller 4 and for adjusting the weft straightener 5 of colored type skew of weft for what control that the unit interval enters cloth amount, the described cloth controller 4 of feeding is connected with into cloth device 6, described weft straightener 5 with enter cloth device 6 and be connected, thereby described computer 3 obtains cloth cover flower type image and controls and feed cloth controller 4 and adjust entering cloth amount and controlling weft straightener 5 and adjust cloth skew of weft into cloth device 6 by analyzing main camera 1.
Described gigabit switch 2 is also connected with and is arranged on setting machine baking oven cloth intlet and/or cloth outlet for obtaining the auxiliary camera 7 of the sagging height of cloth.
Described computer 3 is connected with the illuminating lamp 8 for improving cloth flower type brightness of image.
Flower spacing online test method, its step is as follows:
The first step, the setting cloth speed of service are v, from main camera 1, obtain any piece image, be set as detected image, take the upper left corner of detected image as initial point, be made as from left to right X-axis, be made as Y-axis from top to bottom, set up rectangular coordinate system, wherein the span of the cloth speed of service is 0 < v < 2m/s;
Second step, computer 3 carry out the frequency spectrum of Fourier transformation acquisition detected image to detected image, according to the distribution of the inferior high-energy point on detected image frequency spectrum, obtain the colored type number of cycles in detected image, and obtain the estimated value of flower type cycle size;
The 3rd step, intercepting size are less than one-period estimated value and must spend type image as standard drawing; Split detected image, make the each picture size after splitting be greater than the estimated value of one-period.Wherein between broken away view picture, there is lap;
The 4th step, the standard picture to above-mentioned intercepting and broken away view look like to carry out matching degree computing, by each coordinate points (x, y) of a width broken away view picture, and substitution matching degree discrimination formula respectively
In carry out standard picture and broken away view picture matching degree differentiate, the R of contrast broken away view each point coordinates
ccorr(x, y) value, gets R
ccorrcorresponding this broken away view coordinate of (x, y) maximum (x
1, y
1).Wherein I ' (x ', y ') is standard drawing at the gray value of (x ', y ') point, I (x+x ', the y+y ') gray value that be broken away view put at (x+x ', y+y ').Broken away view coordinate (x
1, y
1) as a coordinate of flower type periodic array, repeating step d, until obtain the colored type periodic array coordinate of all broken away view pictures;
The 5th step, according to the colored type periodic array coordinate of all broken away view pictures obtained above, calculate spending height, spending wide and skew of weft data of detected image flower type, computer 3 obtains the sagging height of cloth by auxiliary camera 7, to the spending height, spend the data such as wide and skew of weft to compensate of detected image flower type, computer 3 is spent height, spends wide and skew of weft data to control respectively to feed cloth controller 4 to adjust into cloth amount and controls weft straightener 5 according to what calculate colored type the skew of weft of adjusting cloth.
Workflow is as follows:
Main camera 1 gathers the detected image of cloth cover flower type, by gigabit interchanger 2, detected image is transferred in computer 3, computer 3 detected by the colored type cycle to detected image, flower type is split out to a standard drawing and multiple broken away view, standard drawing contrasts with broken away view respectively, obtain flower type spacing coordinate, according to flower type spacing coordinate, obtain the height of spending of detected image flower type, spend wide, skew of weft data, and result is carried out noise reduction and put forward high-precision smoothing processing, last computer 3 is according to spending height, spend wide and skew of weft data to control respectively to feed cloth controller 4 and adjust into cloth amount and control weft straightener 5 and adjust skew of weft, the colored type size of cloth cover is consistent, improve the quality of cloth.Wherein, auxiliary camera 7 gathers the sagging height of cloth from cloth side, to analyzing spending height, spending wide and skew of weft data to compensate of obtaining, improves accuracy.
When ambient brightness is not enough, that illuminating lamp 8 provides is even, soft, without the light of stroboscopic, makes main 1 to obtain detected image more clearly.
Claims (4)
1. spend spacing on-line detecting system, it is characterized in that: include and above setting machine baking oven cloth intlet and/or cloth outlet, be provided with the main camera (1) that obtains cloth flower type image, described main camera (1) is connected with the gigabit switch (2) for exchange message, described gigabit switch (2) is connected with the computer (3) for analyzing and processing cloth flower type image, described computer (3) is connected with feeds cloth controller (4) and for adjusting the weft straightener (5) of colored type skew of weft for what control that the unit interval enters cloth amount, the described cloth controller (4) of feeding is connected with into cloth device (6), described weft straightener (5) with enter cloth device (6) and be connected, described computer (3) by analyzing main camera (1) thus obtain cloth cover flower type image and control and feed cloth controller (4) and adjust entering cloth amount and controlling weft straightener (5) and adjust cloth skew of weft into cloth device (6).
2. colored spacing on-line detecting system according to claim 1, is characterized in that: described gigabit switch (2) is also connected with and is arranged on setting machine baking oven cloth intlet and/or cloth outlet for obtaining the auxiliary camera (7) of the sagging height of cloth.
3. colored spacing on-line detecting system according to claim 1, is characterized in that: described computer (3) is connected with the illuminating lamp (8) for improving cloth flower type brightness of image.
4. spend spacing online test method, its step is as follows:
A) setting the cloth speed of service is v, from main camera (1), obtain any piece image, be set as detected image, take the upper left corner of detected image as initial point, be made as from left to right X-axis, be made as Y-axis from top to bottom, set up rectangular coordinate system, wherein the span of the cloth speed of service is 0 < v < 2m/s;
B) computer (3) carries out the frequency spectrum of Fourier transformation acquisition detected image to detected image, according to the distribution of the inferior high-energy point on detected image frequency spectrum, obtains the colored type number of cycles in detected image, and obtains the estimated value of flower type cycle size;
C) intercepting size is less than one-period estimated value and must spends type image as standard drawing; Split detected image, make the each picture size after splitting be greater than the estimated value of one-period.Wherein between broken away view picture, there is lap;
D) above-mentioned standard picture and broken away view are looked like to carry out matching degree computing, by each coordinate points (x, y) of a width broken away view picture, substitution matching degree discrimination formula respectively
in, the R of the each point coordinates of contrast broken away view
ccorr(x, y) value, gets R
ccorrcorresponding this broken away view coordinate of (x, y) maximum (x
1, y
1).Wherein I ' (x ', y ') is standard drawing at the gray value of (x ', y ') point, I (x+x ', the y+y ') gray value that be broken away view put at (x+x ', y+y ').Broken away view coordinate (x
1, y
1) as a coordinate of flower type periodic array, repeating step d, until obtain the colored type periodic array coordinate of all broken away view pictures;
E) according to the colored type periodic array coordinate of all broken away view pictures obtained above, calculate spending height, spending wide and skew of weft data of detected image flower type, computer (3) obtains the sagging height of cloth by auxiliary camera (7), to the spending height, spend the data such as wide and skew of weft to compensate of detected image flower type, computer (3) is spent height, is spent wide and skew of weft data to control respectively to feed cloth controller (4) and adjust into cloth amount and control weft straightener (5) and adjust skew of weft according to image pattern.
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| CN201310722244.6A CN103741443B (en) | 2013-12-24 | 2013-12-24 | Flower pattern color spacing on-line detecting system and detection method thereof |
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|---|---|---|---|
| CN201310722244.6A CN103741443B (en) | 2013-12-24 | 2013-12-24 | Flower pattern color spacing on-line detecting system and detection method thereof |
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Cited By (5)
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| CN104404753A (en) * | 2014-12-23 | 2015-03-11 | 华纺股份有限公司 | Automatic abb-finishing feedback control machine system and control method |
| CN106091996A (en) * | 2016-05-26 | 2016-11-09 | 东华大学 | A kind of online visible detection method of stone flatness |
| CN108664588A (en) * | 2018-05-07 | 2018-10-16 | 中山市元目图像科技有限公司 | Automatic method for online detection and control of cloth skewing |
| CN108754973A (en) * | 2018-08-06 | 2018-11-06 | 广东溢达纺织有限公司 | Forming machine skew of weft arranges control system, method and device |
| CN109137448A (en) * | 2018-11-13 | 2019-01-04 | 王鹂辉 | Fabric based on machine vision is intelligently whole to spend whole latitude system |
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| CN109137448A (en) * | 2018-11-13 | 2019-01-04 | 王鹂辉 | Fabric based on machine vision is intelligently whole to spend whole latitude system |
| CN109137448B (en) * | 2018-11-13 | 2021-06-29 | 王鹂辉 | Intelligent fabric pattern arranging and weft straightening system based on machine vision |
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