CN101358931B - Detecting and metering device and method for foreign fibre in cotton - Google Patents
Detecting and metering device and method for foreign fibre in cotton Download PDFInfo
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- CN101358931B CN101358931B CN2008101186873A CN200810118687A CN101358931B CN 101358931 B CN101358931 B CN 101358931B CN 2008101186873 A CN2008101186873 A CN 2008101186873A CN 200810118687 A CN200810118687 A CN 200810118687A CN 101358931 B CN101358931 B CN 101358931B
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Abstract
The present invention relates to a cotton isomerism fiber detecting and measuring device, and a detecting and measuring method thereof. The device is characterized by comprising a cotton sample network preparing device, a cotton network collecting device, a detection box and a computer; the forefront of the cotton sample network preparing device is provided with a pair of cotton transmitting rollers and a pair of drawing rollers; one of the cotton transmitting rollers and the drawing rollers is provided with an encoder which is used for recording the transmission velocity and the position of the cotton network; the detection box is positioned between the two cotton transmitting rollers and the two drawing rollers; a detection channel is positioned in the detection box and is a transparent rectangular tube; one side or two sides of the detection channel are provided with a set of image acquisition systems; the computer is respectively connected with the signal acquisition card of the encoder and the image acquisition cards of the image acquisition systems; a set of isomerism fiber image identifying and measuring software is arranged in the computer; and the computer is connected with a displaying and printing device. The device and the method can be widely used in cotton quality inspection departments, cotton processing enterprise and cotton spinning enterprises.
Description
Technical field
The present invention relates to a kind of detection measuring apparatus and detect metering method, particularly can meticulous identification measure the detection measuring apparatus of foreign fiber in the cotton and detect metering method with accurate about a kind of.
Background technology
Foreign fiber in the cotton mainly is meant woven bag silk (polypropylene fibre silk), non-cotton fibre materials such as colo(u)r streak, people and animals' hair, chemical fibre silk, plastic sheeting, cloth, poultry feather, the rope made of hemp is arranged, and mostly it is to produce in cotton picking and intermediate links.For many years, because the existence of foreign fiber, had a strong impact on the quality of cotton yarn and cotton, in the process of spinning cotton and weaving cloth, foreign fiber not only can reduce weaving efficient, form the gauze fault, but also can influence the color presentation quality, seriously undermined homemade cotton and wollen fabrics competitive power in the international market, China is annual because the direct economic loss that the foreign fiber in the cotton brings to textile enterprise reaches 1,000,000,000 yuans, therefore, domestic many textile enterprise do not stint and drop into a large amount of manpowers, material resources are carried out craft to the foreign fiber in the cotton and are picked, to remove these impurity.So accurately grasp the content of profiled fibre in the cotton, to timely control cotton quality, the evaluation cotton quality is of great practical significance.But prior art can only be carried out simple rough identification to the foreign fiber in the cotton, can not identify all (comprising tiny) foreign fibers, can not quick and precisely measure the content of foreign fiber automatically.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of can meticulous identification and quick and precisely measure the detection measuring apparatus of the foreign fiber in the cotton and detect metering method.
For achieving the above object, the present invention takes following technical scheme: a kind of cotton foreign fiber detects measuring apparatus, and it is characterized in that it comprises: a frame, the upper and lower part of described frame are provided with a cotton sample net-maker and a web gathering-device respectively; Described cotton sample net-maker be provided with a pair of cotton roller and a pair of carry-over pinch rolls of sending foremost, the described scrambler that send a roller in cotton roller and the carry-over pinch rolls to be provided with a record web transmission speed and position; One detects casing, and it is arranged on described two and send between cotton roller and described two carry-over pinch rolls, is provided with a sense channel in the described detection casing, and described sense channel is transparent rectangular duct, and the one or both sides of described sense channel are provided with a cover image capturing system; One computing machine, it connects the data acquisition card of described scrambler and the image pick-up card of image capturing system respectively, and an identification of cover foreign fiber image and a measuring software is installed in the described computing machine, and described computing machine is connected with and shows and printing device.
Described cotton sample net-maker comprises: one comprise before, the cotton conveying belt of back cotton feeding roller, one is arranged on the cotton feeding roller in described cotton conveying belt the place ahead, the below of described cotton feeding roller is provided with an arc feed plate, the outlet of described feed plate is provided with a discaling roll, the below of described discaling roll is provided with a little arc plate, the front side of described discaling roll is provided with a big licker-in, described big licker-in top is provided with a profile of tooth cover plate, described big licker-in below is provided with the big arc plate of a sieve shape, described big licker-in front side is provided with a little licker-in, described spinule roller surface twines full thorn bar, and the front side of described little licker-in is provided with a card stripper; Described two side-lowers that send cotton roller to be arranged on described card stripper, described two carry-over pinch rolls are arranged on the exit of described sense channel; Two motors, wherein a motor drives described discaling roll and big licker-in by the V-belt; Another reducing motor by synchronous cog belt drive described little licker-in, card stripper and two send cotton roller, drive described two carry-over pinch rolls and web gathering-device by another synchronous cog belt simultaneously, described forward and backward cotton feeding roller and described cotton feeding roller are driven by chain transmission and gear drive by described card stripper.
Described image collecting device comprises: the high resolution CCD high-speed color video camera and the CCD high speed B that are arranged on described sense channel one side, between described colour TV camera and described sense channel, be provided with color light source, between described B and described sense channel, be provided with the black and white light source, be provided with a dividing plate between described colour TV camera and color light source and described B and the black and white light source, the described sense channel opposite side relative with described light source is provided with the light background.
Described colour TV camera and B are positioned at the same side of described sense channel.
The staggered both sides that are positioned at described sense channel of described colour TV camera and B.
Described color light source is a fluorescent light, and described black and white light source is ultraviolet source or infrared light supply.
The identification of described foreign fiber comprises with measuring software: a foreign fiber database, and one group of area and weight relationships mathematical model, and one overlap the foreign fiber image Processing Algorithm; The image processing module of described foreign fiber comprises: carry out the foreign fiber recognizer of image segmentation and figure image intensifying, profile extraction, the calculating of area girth, profile deletion and morphological research are provided, carry out foreign fiber classification and area algorithm; Described foreign fiber database comprises color, proportion and the shape information of common typical foreign fiber, stores the proper vector value of all kinds of foreign fibers; Described area and weight relationships mathematical model comprise one group of mathematical formulae that the area of foreign fiber in the image is converted to weight by formula operation.
Above-mentioned a kind of cotton foreign fiber detects the detection metering method of measuring apparatus, and it may further comprise the steps: 1) by the cotton sample net-maker detected cotton sample is made into the web of 0.5～2mm and the transmission speed and the positional information of gathering web by demoder; 2) by the colour TV camera and the B of image capturing system, gather image information by foreign fiber in the web of sense channel; 3) computing machine extracts the run signal of web by data acquisition card, extract the image of image capturing system by image pick-up card, and send into foreign fiber image and discern and measuring software, so that foreign fiber is discerned and measured, described identification and metrology steps are as follows: 1. according to the image that collects, judge to have or not foreign fiber to exist, if not having different in nature fiber exists, then judge whether detection of end, if end signal arranged then stop to detect, otherwise images acquired again; If have foreign fiber to exist, then enter step 2.; 2. system at first carries out Flame Image Process such as profile extraction, profile deletion, morphological research, colourity computing, texture computing by foreign fiber database and image processing algorithm to foreign fiber image, obtain foreign fiber proper vector and with system database in foreign fiber proper vector value relatively, determine the kind of foreign fiber; Reject pseudo-foreign fiber, obtain the accurate area of all kinds of foreign fibers in the web; 3. the accurate area result of all kinds of foreign fibers that will obtain by image processing algorithm is input in the mathematical model of area and weight relationships, calculates the content value of foreign fiber in the weight of foreign fiber and the cotton sample; 4. with the result of calculation store recording in system, system shows the content of profiled fibre value automatically, and according to the position of data acquisition card record foreign fiber, preserves foreign fiber image, to print or inquiry; 5. judge whether detection of end, after web is all by sense channel, detects and finish, otherwise enter step 1..
Described image segmentation adopts adaptive dynamic thresholding method and faces the territory is the segmented extraction that the self-adaptation mean shift algorithm of 13 pixels is finished foreign fiber; Segmentation enhancing and expansion filter method are adopted in described figure image intensifying, adopt 3 * 3 rectangular structural elements that image is once expanded; Adopt twice 7 * 7 medium filterings to handle again; By image segmentation and figure image intensifying foreign fiber image is discerned.
Described foreign fiber classification and area algorithm comprise that profile extracts, the area girth calculates, profile is deleted, morphological research, and be calculated as follows the proper vector value of various foreign fibers: the proper vector of foreign fiber=shape information vector+color information vector+texture information vector, obtain the shape information vector by the profile computing, obtain the color information vector by the colourity computing, obtain the texture information vector by border and texture computing.
The present invention is owing to take above technical scheme, it has the following advantages: 1, because the present invention is provided with the cotton sample net-maker in pick-up unit, make detected cotton sample form very thin (0.5～2mm), very even, web with certain fabric width, uniform motion, therefore, foreign fiber in the cotton sample is fully exposed, and then lay a good foundation for meticulous identification.2, therefore the present invention can realize the image acquisition of foreign fiber owing to adopted high speed, high resolution CCD video camera and the light source supporting with it.3, therefore the present invention can realize the pseudo-foreign fiber of identification, classification, rejecting to foreign fiber owing to be provided with identification and the measuring software that can carry out Flame Image Process to foreign fiber in the web in pick-up unit, obtains the accurate area of foreign fiber in the cotton.4, therefore the present invention can realize the accurate metering to content of profiled fibre in the cotton, and demonstrate the metering result automatically owing to set up the mathematical model of foreign fiber area and weight relationships.5, total system of the present invention all adopts totally enclosed visual process mode, can effectively avoid fibre dust disperse and pollution and external environment condition to the pollution of cotton.The present invention is to the accuracy in detection height of content of profiled fibre in the cotton, and data are reliable, is fit to online or off-line use such as cotton quality inspection department, cotton processing enterprise and cotton spinning enterprise, has good economic benefit and social benefit, and development prospect is widely arranged.
Description of drawings
Fig. 1 is a system architecture synoptic diagram of the present invention
Fig. 2, Fig. 3 are each parts drive connection synoptic diagram of cotton sample net-maker of the present invention
Fig. 4 is cotton sample net-maker of the present invention and detects recognition system framed structure synoptic diagram
Fig. 5 is identification of the present invention and measuring software FB(flow block)
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
The main summary of the invention of the present invention comprises
1, a cover cotton sample net-maker is set, cotton is made into the even web that thickness is 1 millimeter;
2, a cover image capturing system is set, the web through image acquisition region is carried out image acquisition;
3, " identification and the measuring software " by installing in the computing machine discerned, classified the foreign fiber in the image of gathering, and calculates the area of foreign fiber;
4, according to the area of foreign fiber and the mathematical model of weight relationships, image recognition and sorting result are calculated, and then obtain the weight of foreign fiber in the cotton.
As shown in Figure 1, cotton sample net-maker provided by the invention comprises the frame 1 that supports each parts, and by the cotton conveying belt that forward and backward cotton feeding roller 2,3 and defeated cotton belt 4 are formed, cotton to be detected (representing with heavy line among the figure) is tiled on the defeated cotton belt 4 equably.Be provided with a cotton feeding roller 5 above the front side of preceding cotton feeding roller 2, be provided with an arc feed plate 6 below cotton feeding roller 5, cotton passes through between cotton feeding roller 5 and feed plate 6.The outlet of feed plate 6 is provided with a discaling roll 7, and a little arc plate 8 is set below discaling roll 7, and cotton passes through between little arc plate 8 and discaling roll 7.The front side of discaling roll 7 is provided with a big licker-in 9, and big licker-in 9 tops are provided with one group of profile of tooth cover plate 10, and big licker-in 9 belows are provided with the big arc plate 11 of a sieve shape, play the effect of dredging big licker-in 9 airflow on surface.Discaling roll 7 is transferred to the cotton of feeding on the big licker-in 9 by colluding the effect of drawing, and cotton enters a spinule roller 12 of big licker-in 9 front sides after the free combing of thorn, tooth between excessive licker-in 9 and the profile of tooth cover plate 10.Spinule roller 12 surfaces twine full thorn bar, the linear resonance surface velocity of big licker-in 9 is greater than the linear resonance surface velocity of spinule roller 12, by of the variation of big licker-in 9 with spinule roller 12 surperficial profiles of tooth and linear velocity, cotton is transferred and condenses upon on the spinule roller 12, one card stripper 13 is set in the front side of spinule roller 12, and cotton forms cotton layer by stripping of card stripper 13.Side-lower at card stripper 13 is provided with a pair of cotton roller 14,15 that send, cotton layer forms the thick web of 1mm that the present invention requires and moves forward with certain speed under the clamping action that send cotton roller 14,15, after the traction of two carry-over pinch rolls 16,17, collect by web gathering-device 18.Web gathering-device 18 can be a cotton rolling tube, can also be airflow apparatus or other prior-art devices.
As Fig. 2, shown in Figure 3, the transmission of cotton sample net-maker of the present invention is driven by two motors 19,20 and realizes that wherein motor 19 can adopt common electric machine, drives discaling roll 7 and 9 rotations of big licker-in by the V-belt.Another motor 20 can adopt reducing motor, and the output pulley of motor 20 is the profile of tooth belt wheel, drives spinule roller 12, card stripper 13, send cotton roller 14,15 to rotate by a synchronous cog belt; Motor 20 drives carry-over pinch rolls 16,17 by another synchronous cog belt and web gathering-device 18 rotates.Forward and backward cotton feeding roller 2,3 and cotton feeding roller 4 drive (not shown) by card stripper 13 by chain transmission and gear drive.
As shown in Figure 1, image capturing system of the present invention is arranged in the airtight detection casing 21, detection casing 21 is arranged on two and send between cotton roller 14,15 and two carry-over pinch rolls 16,17, in detecting casing 21, be provided with a sense channel 22, sense channel 22 is rectangular ducts of the transparent or perforate of one section 40 * 400mm, and web passes through from sense channel 22.Side at sense channel 22 is provided with high resolution CCD high-speed color video camera 23 and CCD high speed B 24, between colour TV camera 23 and sense channel 22, be provided with the color light source 25 that can illuminate sense channel 22, color light source 25 is a fluorescent light, be provided with the black and white light source 26 that can illuminate sense channel 22 between B 24 and sense channel 22, black and white light source 26 is ultraviolet source or infrared light supply.Color light source 25 and black and white light source 26 can also be crisscross arranged in the both sides of sense channel 22.Colored and black and white light source can be set to multiple row or multirow.Have division board separately between color light source 25 and the black and white light source 26, the light that two kinds of light sources send is isolated, and mutually noninterfere is provided with a smooth background 27 at the opposite side of sense channel 22.
As shown in Figure 4, cotton sample net-maker of the present invention and detection recognition system also comprise a computing machine 28, computing machine 28 connects colour TV camera 23 and B 24 respectively by image pick-up card 29, computing machine 28 is connected with scrambler 31 on being installed in the cotton sample net-maker by data acquisition card 30, identification and measuring software 32 are installed in computing machine 28 systems, also are connected to touch display 33 and data upload/printer 34 simultaneously on computers.
Cotton was by net-maker of the present invention when the present invention operated, make detected cotton sample form very thin (0.5～2mm), very even, web with certain fabric width, and the guiding web is at the uniform velocity by sense channel 22, by scrambler 31 web speed and positional information are passed to computing machine 28 by data acquisition card 30, computing machine 28 control image pick-up cards 29 are by being installed in the high speed of sense channel 22 1 sides, two kinds of video cameras 23 of high-resolution color and black and white, 24 carry out image acquisition, and the image that collects handled by the identification and the measuring software 32 that are installed in the computing machine 28, foreign fiber image is carried out meticulous identification and metering, to realize the accurate metering of content of profiled fibre in the cotton sample.
As shown in Figure 5, foreign fiber of the present invention identification comprises with measuring software 32: a foreign fiber database, and one group of area and weight relationships mathematical model, and one overlap the foreign fiber image processing module.
The image processing module of foreign fiber of the present invention comprises:
(1) foreign fiber recognizer---image segmentation and figure image intensifying.
A, image segmentation adopt adaptive dynamic thresholding method and face the territory is the segmented extraction that the self-adaptation mean shift algorithm of 13 pixels is finished foreign fiber;
B, figure image intensifying adopt 3 * 3 rectangular structural elements that image is once expanded with segmentation enhancing and expansion filter method; Adopt twice 7 * 7 medium filterings to handle again; By image segmentation and figure image intensifying foreign fiber image is discerned.
(2) foreign fiber classification and area algorithm---comprise that profile extracts, the area girth calculates, profile is deleted, the morphological research scheduling algorithm, be calculated as follows the different proper vector value of various foreign fibers, Classification and Identification and the area of finishing foreign fiber calculate.
The proper vector of foreign fiber=shape information vector+color information vector+texture information vector
Obtain the shape information vector by profile computing (contour area and girth); Obtain the color information vector by the colourity computing; Obtain the texture information vector by border and texture computing; The profile extraction algorithm is finished the foreign fiber profile by the single order differential technology and is extracted; Finish the deletion of pseudo-foreign fiber profile by the area threshold partitioning algorithm, reject the influence of non-foreign fiber.
Foreign fiber database of the present invention can comprise information such as the color, proportion, form of 7 common big quasi-representative foreign fibers (colo(u)r streak, polypropylene fibre silk, flax silk, plastic sheeting, animal feather, hair and other), store the proper vector value of all kinds of foreign fibers, this database is the foundation of all kinds of foreign fibers being carried out Classification and Identification.
Area of the present invention and weight relationships mathematical model comprise one group of at least 7 typical mathematical formulae, these typical mathematical formulaes can be converted to weight by formula operation with the area of foreign fiber in the image, by with the ratio of the weight of the cotton sample that has detected, obtain the content value of foreign fiber in the cotton.
Operating process of the present invention is as follows: as shown in Figure 1, at first open each equipment by electric switch, after equipment operation is steady cotton to be detected is tiled on the defeated cotton belt 4 equably, under the pressure regulating part effect that is provided with at cotton feeding roller 5 two ends, cotton feeding roller 5 cooperates with arc feed plate 6, cotton is sent to discaling roll 7 and finishes the cotton feeding by the gripping of cotton feeding roller 5 with feed plate 6.Cotton is transferred on the big licker-in 9 by the effect of holding of colluding of discaling roll 7 surperficial teeth, from process between big licker-in 9 and the cover plate 10, cotton is through free combing under the acting in conjunction of big licker-in 9 surperficial teeth and cover plate 10 teeth, foreign fiber is exposed on the cotton fiber surface, because the linear resonance surface velocity of big licker-in 9 is greater than the linear resonance surface velocity of spinule roller 12, by of the variation of big licker-in 9 with spinule roller 12 linear resonance surface velocities, the cotton fiber that contains foreign fiber is condensed upon on the spinule roller 12, strip the formation web by card stripper 13, web is sending cotton roller 14, send into sense channel 22 with certain speed under 15 the clamping action, the lighting source 25 installed of passage 22 1 sides after testing, 26 irradiation and colour, black-white CCD high-speed camera 23,24 image acquisition of carrying out, at carry-over pinch rolls 16,17 clamping traction web is down collected the web that has detected by web gathering-device 18 (cotton rolling tube or airflow apparatus) at last by sense channel 22.Colored, black-white CCD high-speed camera 23,24 is undertaken dynamically taking fast by 29 pairs of web images of image pick-up card, and give computer processing system with the image signal transmission of taking, carry out analyzing and processing through the identification of the foreign fiber images in the computing machine 28 and the picture signal of 32 pairs of collections of measuring software.As shown in Figure 5,32 pairs of foreign fiber images of identification of the present invention and measuring software process of carrying out meticulous identification and metering comprises:
1, at first starts identification and measuring software run signal, and wait for that web passes through sense channel;
2, when web passed through sense channel, system carried out image acquisition;
3, the image that collects according to step 2 is judged to have or not foreign fiber to exist, and exists if there is different in nature fiber, then judges whether detection of end, if end signal arranged then stop to detect, otherwise images acquired again; If have foreign fiber to exist, then enter step 4;
4, system at first carries out Flame Image Process such as profile extraction, profile deletion, morphological research, colourity computing, texture computing by foreign fiber database and image processing algorithm to foreign fiber image, obtain foreign fiber proper vector and with the foreign fiber database in foreign fiber proper vector value relatively, determine the kind of foreign fiber; Reject pseudo-foreign fiber, obtain the accurate area of all kinds of foreign fibers in the web;
5, the accurate area result of all kinds of foreign fibers that will obtain by image processing algorithm is input in the mathematical model of area and weight relationships, the content value of foreign fiber in the weight of calculating foreign fiber and the cotton sample, demonstrate the content that detects foreign fiber in the cotton by display 33, can also pass through data upload/printing 34 outputs and detect the metering result.
6, with the result of calculation store recording in system, system shows the content of profiled fibre value automatically, and according to the position of data acquisition card record foreign fiber, preserves foreign fiber image, in order to inquiry;
7, judge whether detection of end, after web is all by sense channel, detects and finish, otherwise enter step 2.
The present invention can write down and show the kind that detects foreign fiber in the cotton, the area of every kind of foreign fiber and content, and the area and the content of whole foreign fibers, and can export and transmit data.
The present invention adopts the cotton net-forming technology with image acquisition with treatment technology is ingenious combines, and has realized the meticulous identification of foreign fiber and accurately metering.
The present invention only describes with the foregoing description, and all equivalent transformations that carries out according to the principle of the invention all should not got rid of outside protection scope of the present invention.
Claims (10)
1. a cotton foreign fiber detects measuring apparatus, it is characterized in that: it comprises that a frame, detects a casing and a computing machine, and the upper and lower part of described frame is provided with a cotton sample net-maker and a web gathering-device respectively; Described cotton sample net-maker be provided with a pair of cotton roller and a pair of carry-over pinch rolls of sending foremost, the described scrambler that send a roller in cotton roller and the carry-over pinch rolls to be provided with a record web transmission speed and position;
Described detection casing is arranged on described two and send between cotton roller and described two carry-over pinch rolls, is provided with a sense channel in the described detection casing, and described sense channel is transparent rectangular duct, and the one or both sides of described sense channel are provided with a cover image capturing system;
Described computing machine connects the data acquisition card of described scrambler and the image pick-up card of image capturing system respectively, and an identification of cover foreign fiber image and a measuring software is installed in the described computing machine, and described computing machine is connected with and shows and printing device;
Before described cotton sample net-maker comprises one, the cotton conveying belt of back cotton feeding roller, one is arranged on cotton feeding roller and two motors in described cotton conveying belt the place ahead, the below of described cotton feeding roller is provided with an arc feed plate, the outlet of described feed plate is provided with a discaling roll, the below of described discaling roll is provided with a little arc plate, the front side of described discaling roll is provided with a big licker-in, described big licker-in top is provided with a profile of tooth cover plate, described big licker-in below is provided with the big arc plate of a sieve shape, described big licker-in front side is provided with a little licker-in, described spinule roller surface twines full thorn bar, and the front side of described little licker-in is provided with a card stripper; Described two side-lowers that send cotton roller to be arranged on described card stripper, described two carry-over pinch rolls are arranged on the exit of described sense channel;
A motor drives described discaling roll and big licker-in by the V-belt in described two motors; Another reducing motor by synchronous cog belt drive described little licker-in, card stripper and two send cotton roller, drive described two carry-over pinch rolls and web gathering-device by another synchronous cog belt simultaneously, described forward and backward cotton feeding roller and described cotton feeding roller are driven by chain transmission and gear drive by described card stripper.
2. a kind of cotton foreign fiber as claimed in claim 1 detects measuring apparatus, it is characterized in that described image capturing system comprises: the high resolution CCD high-speed color video camera and the CCD high speed B that are arranged on described sense channel one side, between described colour TV camera and described sense channel, be provided with color light source, between described B and described sense channel, be provided with the black and white light source, be provided with a dividing plate between described colour TV camera and color light source and described B and the black and white light source, the described sense channel opposite side relative with described light source is provided with the light background.
3. a kind of cotton foreign fiber as claimed in claim 2 detects measuring apparatus, and it is characterized in that: described colour TV camera and B are positioned at the same side of described sense channel.
4. a kind of cotton foreign fiber as claimed in claim 2 detects measuring apparatus, it is characterized in that: the staggered both sides that are positioned at described sense channel of described colour TV camera and B.
5. detect measuring apparatus as claim 2 or 3 or 4 described a kind of cotton foreign fibers, it is characterized in that: described color light source is a fluorescent light, and described black and white light source is ultraviolet source or infrared light supply.
6. detect measuring apparatus as claim 1 or 2 or 3 or 4 described a kind of cotton foreign fibers, it is characterized in that: described foreign fiber identification comprises with measuring software: a foreign fiber database, one group of area and weight relationships mathematical model, and a cover foreign fiber image processing module; The image processing module of described foreign fiber comprises: carry out the foreign fiber recognizer of image segmentation and figure image intensifying, profile extraction, the calculating of area girth, profile deletion and morphological research are provided, carry out foreign fiber classification and area algorithm; Described foreign fiber database comprises color, proportion and the shape information of common typical foreign fiber, stores the proper vector value of all kinds of foreign fibers; Described area and weight relationships mathematical model comprise one group of mathematical formulae that the area of foreign fiber in the image is converted to weight by formula operation.
7. a kind of cotton foreign fiber as claimed in claim 5 detects measuring apparatus, it is characterized in that: described foreign fiber identification comprises with measuring software: a foreign fiber database, one group of area and weight relationships mathematical model, and a cover foreign fiber image processing module; The image processing module of described foreign fiber comprises: carry out the foreign fiber recognizer of image segmentation and figure image intensifying, profile extraction, the calculating of area girth, profile deletion and morphological research are provided, carry out foreign fiber classification and area algorithm; Described foreign fiber database comprises color, proportion and the shape information of common typical foreign fiber, stores the proper vector value of all kinds of foreign fibers; Described area and weight relationships mathematical model comprise one group of mathematical formulae that the area of foreign fiber in the image is converted to weight by formula operation.
8. one kind is detected the detection metering method of measuring apparatus as claim 6 or 7 described cotton foreign fibers, and it may further comprise the steps:
1) by the cotton sample net-maker detected cotton sample is made into the web of 0.5～2mm, and gathers the transmission speed and the positional information of web by demoder;
2) by the colour TV camera and the B of image capturing system, gather image information by foreign fiber in the web of sense channel;
3) computing machine extracts the run signal of web by data acquisition card, extract the image of image capturing system by image pick-up card, and send into foreign fiber image identification and measuring software, so that foreign fiber is discerned and measured, described identification and metrology steps are as follows:
1. according to the image that collects, judge to have or not foreign fiber to exist, exist, then judge whether detection of end if there is different in nature fiber, if end signal arranged then stop to detect, otherwise images acquired again; If have foreign fiber to exist, then enter step 2.;
2. cotton foreign fiber detection measuring apparatus is at first carried out Flame Image Process such as profile extraction, profile deletion, morphological research, colourity computing, texture computing by foreign fiber database and image processing module to foreign fiber image, obtain foreign fiber proper vector and with cotton foreign fiber detect in the measuring apparatus database foreign fiber proper vector value relatively, determine the kind of foreign fiber; Reject pseudo-foreign fiber, obtain the accurate area of all kinds of foreign fibers in the web;
3. the accurate area result of all kinds of foreign fibers that will obtain by image processing algorithm is input in the mathematical model of area and weight relationships, calculates the content value of foreign fiber in the weight of foreign fiber and the cotton sample;
4. the result of calculation store recording is detected in the measuring apparatus at cotton foreign fiber, cotton foreign fiber detects measuring apparatus and shows the content of profiled fibre value automatically, and, preserve foreign fiber image according to the position that data acquisition card writes down foreign fiber, to print or inquiry;
5. judge whether detection of end, after web is all by sense channel, detects and finish, otherwise enter step 1..
9. a kind of cotton foreign fiber as claimed in claim 8 detects metering method, it is characterized in that: it is the segmented extraction that the self-adaptation mean shift algorithm of 13 pixels is finished foreign fiber that described image segmentation adopts adaptive dynamic thresholding method and neighborhood; Segmentation enhancing and expansion filter method are adopted in described figure image intensifying, adopt 3 * 3 rectangular structural elements that image is once expanded; Adopt twice 7 * 7 medium filterings to handle again; By image segmentation and figure image intensifying foreign fiber image is discerned.
10. a kind of as claimed in claim 8 or 9 cotton foreign fiber detects metering method, it is characterized in that: described foreign fiber classification and area algorithm comprise that profile extracts, the area girth calculates, profile is deleted, morphological research, and are calculated as follows the proper vector value of various foreign fibers:
The proper vector of foreign fiber=shape information vector+color information vector+texture information vector
Obtain the shape information vector by the profile computing, obtain the color information vector, obtain the texture information vector by border and texture computing by the colourity computing.
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| CN2008101186873A CN101358931B (en) | 2008-08-22 | 2008-08-22 | Detecting and metering device and method for foreign fibre in cotton |
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| CN2008101186873A CN101358931B (en) | 2008-08-22 | 2008-08-22 | Detecting and metering device and method for foreign fibre in cotton |
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| US8301410B2 (en) * | 2010-05-06 | 2012-10-30 | Uster Technologies Ag | Visual weight compensation |
| CN102103090A (en) * | 2010-12-07 | 2011-06-22 | 东华大学 | Device and method for detecting quality of web of carding machine on line based on computer vision |
| CN109492544B (en) * | 2018-10-19 | 2023-01-03 | 兰波(苏州)智能科技有限公司 | Method for classifying animal fibers through enhanced optical microscope |
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| CN109557105A (en) * | 2019-01-11 | 2019-04-02 | 浙江兴宇汽车零部件有限公司 | A kind of system of on-line checking sealing strip surface defect |
| CN110106687B (en) * | 2019-04-10 | 2021-11-30 | 西安工程大学 | Foreign fiber identification and detection device based on computer vision technology |
| CN112330608B (en) * | 2020-10-20 | 2023-12-08 | 西安工程大学 | Mutual information identification method for cotton foreign fibers |
| CN113652780B (en) * | 2020-12-30 | 2022-12-23 | 苏州多道自动化科技有限公司 | Impurity-removing carding method and device of rotor spinning machine based on air suction assistance |
| CN114111605A (en) * | 2021-11-18 | 2022-03-01 | 四川省丝绸工程技术研究中心 | Wet raw silk fineness detection device and method |
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