CN102095481B - Device and method for automatically discriminating cocoon sexuality - Google Patents
Device and method for automatically discriminating cocoon sexuality Download PDFInfo
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- CN102095481B CN102095481B CN201010569911A CN201010569911A CN102095481B CN 102095481 B CN102095481 B CN 102095481B CN 201010569911 A CN201010569911 A CN 201010569911A CN 201010569911 A CN201010569911 A CN 201010569911A CN 102095481 B CN102095481 B CN 102095481B
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Abstract
The invention provides a device and method for automatically discriminating cocoon sexuality. The device is characterized in that a feeding device and a weight detecting device are arranged above a conveyor belt on the left; X-ray detecting devices are arranged above and below the conveyor belt; a sorting device is arranged at the right side of the conveyor belt; and the feeding device comprises a feeding plate and a plurality of feeding baffles arranged on the feeding plate in parallel at intervals. The method comprises the following steps: adopting a computer to control an X-ray detector to obtain the original X-ray image of the silkworm chrysalis; and taking the six characteristic parameters including five image characteristics of the silkworm chrysalis and the cocoon weight as the characteristic parameters of cocoon sexuality, establishing a discrimination model of the characteristic parameters of cocoon sexuality and cocoon sexuality by a K-means clustering method according to an artificial discrimination model established in advance and importing the model into cocoon sexuality discriminating software to discriminate the cocoon sexuality, wherein the five image characteristics of the silkworm chrysalis include area, perimeter, long axis, minor axis and mean brightness of the image of the silkworm chrysalis. The device and the method have the following beneficial effects: the device has simple structure and automatically discriminates cocoon sexuality on line, without damaging the cocoons; the discrimination speed is high; and the discrimination result is accurate.
Description
Technical field
The present invention relates to a kind of Sex in Silkworm Cocoons automatic distinguishing method; Refer in particular to a kind of Sex in Silkworm Cocoons automatic distinguishing method and device thereof that merges weight detecting technology, X radial imaging technology and digital image processing techniques, the computing machine that is used for Sex in Silkworm Cocoons is differentiated and sorting automatically.
Background technology
Silk cocoon has the branch of male and female, same silkworm kind, and male silk is compared with female silk, and it is thin that the former has the size of cocoon filament; Cleanliness is excellent, and cohesive force is good, and the raw silk grade is high; Advantages such as fabric elasticity is good, and fabric silk fabric face is flat very, cunning is glutinous, feel is abundant are the desirable feedstock of reel silk from cocoons system 5A, 6A level high-grade raw silk.The mode that existing silk reeling technology adopts the male and female silk cocoon to mix mostly can only reel silk from cocoons system male and female composite filament, is difficult to batch process 5A, 6A level high-grade raw silk.Female, male silk cocoon is utilized respectively, can be implemented in not increase basically to produce under the situation about dropping into and improve added value of product, improve China's silk quality.
At present, the method that obtains male silk cocoon mainly contains two types: male silkworm cultivating method, nondestructive determination.Male silkworm cultivating method obtains male silk cocoon through life condition that changes silkworm or the physiological function of controlling silkworm, though this method can provide male silk cocoon, all has certain shortcoming, must female, male silkworm separately be put on an arrow like the sex-limited technology of sex, and silkworm raiser's labour intensity is big.Nondestructive determination mainly contains near-infrared spectrum technique, computer vision technique etc.Female, the male silk cocoon of near infrared spectroscopy identification needs the silk cocoon pre-service, and the distance of near infrared spectrum accuracy of detection and environment temperature, humidity, detecting device and sample has substantial connection, and these environmental baselines are difficult to be protected when practical application.Can successfully can't harm based on Magnetic resonance imaging (MRI) technology and to distinguish the silk cocoon male and female, but experimental facilities is expensive, is difficult to realize online detection.
Summary of the invention
The objective of the invention is for overcoming the deficiency of above-mentioned prior art; A kind of Sex in Silkworm Cocoons automatic discriminating gear and method that merges weight detecting technology, x-ray imaging technology and digital image processing techniques is provided; Can under the situation of not destroying silk cocoon, differentiate Sex in Silkworm Cocoons automatically, fast, and carry out female, the male sorting of silk cocoon.
The technical scheme that Sex in Silkworm Cocoons automatic discriminating gear of the present invention adopts is: rack upper surface tiling travelling belt; Travelling belt and belt coaxial with belt is connected stepper motor; The upper left side of travelling belt is feed arrangement and Weight detecting device, is the charging supporting plate between feed arrangement outlet and the travelling belt; The above and below of travelling belt is provided with x-ray detection device; X-ray detection device is made up of x ray generator, X-ray detector and X ray controller; The top x ray generator of travelling belt, below are that X-ray detector and X ray controller and X-ray detector are positioned under the x ray generator; The X ray controller is electrically connected x ray generator, and X-ray detector connects computing machine through control line; The right side of travelling belt is a sorting unit, and sorting unit has a damper actuator, and damper actuator connects computing machine through control line; It under the sorting unit gatherer; Computing machine connects the control assembly of feed arrangement, Weight detecting device respectively through control line; Feed arrangement comprises that a feedboard and a plurality of parallel interval are arranged in the charging baffle plate on the feedboard; The front side of Weight detecting device is provided with blows afloat device, and blowning installation connects computing machine through control line.
Sex in Silkworm Cocoons automatic distinguishing method of the present invention has following steps:
A, the rotation of computer control charging baffle plate make automatic feeder that silk cocoon is divided into multichannel automatically, and each road silk cocoon all is transferred to Weight detecting device one by one;
B, computer control Weight detecting device realize the weight detecting of silk cocoon, and detected weight data is sent to computing machine, and simultaneously, the computer control blowning installation blows silk cocoon to travelling belt, multichannel silk cocoon and be to be sent to x-ray detection device one by one after a tunnel;
C, computer control X-ray detector obtain silkworm chrysalis X ray original image, and image is carried out pre-service, and 5 characteristics of area, girth, major axis, minor axis, mean flow rate of extracting the silkworm chrysalis image are as the silkworm chrysalis characteristics of image;
D, with 5 silkworm chrysalis characteristics of image and these 6 characteristic parameters of silk cocoon weight as the Sex in Silkworm Cocoons characteristic parameter; According to the artificial cognition model of setting up in advance; Set up the discrimination model of Sex in Silkworm Cocoons characteristic parameter and Sex in Silkworm Cocoons with K-mean cluster method, model is imported to the Sex in Silkworm Cocoons discriminant software sex of silk cocoon is differentiated;
E, computing machine control the sorting that damper actuator carries out silk cocoon according to the sex information of silk cocoon, and silk cocoon is dropped in two kinds of different vessels of gatherer.
The invention has the beneficial effects as follows:
1, apparatus of the present invention are simple in structure, cheap, do not destroying under the silk cocoon situation on-line automatic differentiation silk cocoon male and female.
2, silk cocoon, experimental enviroment all there are not specific (special) requirements, fast, simple to operate to the speed that Sex in Silkworm Cocoons is differentiated.
3, adopt to merge characteristic informations such as silk cocoon weight, silk cocoon image, can make Sex in Silkworm Cocoons differentiate the result more accurately, assay is objective.
Description of drawings
Fig. 1 is a Sex in Silkworm Cocoons automatic discriminating gear structural representation of the present invention;
Fig. 2 is the arrangenent diagram of feed arrangement 1 among Fig. 1;
Fig. 3 is the transmission arrangenent diagram after silk cocoon 3 chargings among Fig. 1;
Fig. 4 is the control principle figure of Fig. 1;
Fig. 5 is the process flow diagram of Sex in Silkworm Cocoons automatic distinguishing method of the present invention;
Fig. 6 is the silk cocoon radioscopic image, and Fig. 6 a is female silkworm chrysalis radioscopic image, and Fig. 6 b is male silkworm chrysalis radioscopic image;
Fig. 7 is silk cocoon image pretreatment process figure;
Fig. 8 is the display image of each step of silk cocoon image pre-service, and Fig. 8 a is that contrast strengthens image, and Fig. 8 b removes noise image, and Fig. 8 c is the image segmentation image, and Fig. 8 d is that morphology is handled image;
Fig. 9 is silkworm chrysalis weight, area, major axis three tagsort synoptic diagram;
Among the figure, the 1-feed arrangement; The 2-feedboard; The 3-silk cocoon; 4-blows afloat device; The 5-pallet; The 6-Weight detecting device; The 7-X ray generator; The 8-X ray detecting apparatus; The 9-computing machine; The 10-display; The 11-damper actuator; The 12-sorting unit; The 13-gatherer; The 14-belt; The 15-stepper motor; The 16-X ray detector; 17-X ray controller; The 18-support; The 19-travelling belt; 20-charging baffle plate; 21-charging supporting plate.
Embodiment
Referring to Fig. 1; The present invention is at support 18 upper surfaces tiling travelling belt 18; Travelling belt 18 and belt 14 coaxial installations, belt 14 connections are positioned on stepper motor 15 output shafts of travelling belt 18 belows, drive travelling belt 18 when driving belts 14 rotations by stepper motor 15 and transmit from left to right.Being feed arrangement 1 and Weight detecting device 6 on the upper left side of travelling belt 18, is charging supporting plate 21 between the outlet of feed arrangement 1 and travelling belt 18, places pallet 5 on the charging supporting plate 21.In the above and below of travelling belt 18 x-ray detection device 8 being set, is sorting units 12 on the right side of travelling belt 18, and sorting unit 12 has a damper actuator 11, and damper actuator 11 connects computing machine 9 through control line.It under the sorting unit 12 gatherer 13.X-ray detection device 8 is made up of x ray generator 7, X-ray detector 16 and X ray controller 17; Wherein, above travelling belt 18 x ray generator 7, below travelling belt 18 X-ray detector 16 and X ray controller 17; X-ray detector 16 be positioned at x ray generator 7 under; X ray controller 17 is electrically connected x ray generator 7, and X-ray detector 16 connects computing machine 9, computing machine 9 external displays 10 through control line.In order to prevent the radiation of x-ray detection device 8, should be at the x-ray detection device 8 outside radiation protection devices of installing.
Referring to Fig. 1 and 2, feed arrangement 1 comprises that a feedboard 2 and a plurality of parallel interval are arranged in the charging baffle plate 20 on the feedboard 2, and silk cocoon 3 is controlled its multichannels, transmission one by one by the charging baffle plate 20 that a plurality of parallel interval are arranged on feedboard 2.
Referring to Fig. 1 and 3, blow afloat device 4 in the setting of the front side of Weight detecting device 6, blowning installation 4 connects computing machine 9 through control line.Silk cocoon 3 drops under the outlet of feed arrangement 1 pallet 5 on the charging supporting plate 21, after the weight detecting of Weight detecting device 6, by blowing afloat device 4 silk cocoon 3 is blown to travelling belt 18.The position of blowing afloat device 4 and pallet 5 is corresponding with charging baffle plate 20 with quantity.
Referring to Fig. 1 and 4, computing machine 9 connects the control assembly of feed arrangement 1, Weight detecting device 6, x-ray detection device 8 and sorting unit 12 respectively through control line.The controller of feed arrangement 1, Weight detecting device 6, x-ray detection device 8, sorting unit 12 and gatherer 13 is electrically connected successively.Feed arrangement 1 is accomplished the multichannel of silk cocoon 3, transmission one by one, and through controlling the speeds match of buncher realization itself and other parts.Weight detecting device 6 is used to obtain the weight of silk cocoon 3, and data message is sent to computing machine 9, simultaneously multichannel silk cocoon 3 is merged into single channel after, send into x-ray detection device 8.X-ray detection device 8 is used to obtain the X ray transmission image of silk cocoon 3; Used x ray generator 7 is meant all stepless adjustable x ray generator of ray tube voltage, tube current; The X ray of its generation is as the light source of x-ray detection device 8; Tube voltage is between 30-80kV, and tube current is convenient to gather optimized image between 0.3-1.0mA.X-ray detector 16 resolution reach 0.4mm.Sorting unit 12 is used to realize the sorting of female, male silk cocoon 3.Computing machine 9 is used for data acquisition, Flame Image Process, data analysis and control sorting unit 12.
Referring to Fig. 5, when silk cocoon 3 is detected,, make automatic feeder 1 that silk cocoon 3 is divided into multichannel automatically by 2 rotations of computing machine 9 control charging baffle plates, each road silk cocoon 3 all is transferred to Weight detecting device 6 one by one.After silk cocoon 3 arrived pallet 5, computing machine 9 control Weight detecting devices 6 were realized the weight detecting of silk cocoon 3, and the silk cocoon weight that is detected is meant the silk cocoon fresh weight, promptly comprises silk cocoon, silkworm chrysalis at interior total weight.Weight detecting device 6 is sent to computing machine 9 with detected weight data, and simultaneously, computing machine 9 control blowning installations 4 blow silk cocoon 3 to travelling belt 19, and at this moment, multichannel silk cocoon 3 and be a tunnel is sent to x-ray detection device 8 one by one.Regulate tube voltage, the tube current of x ray generators 7 through X ray controller 17,, realize the speeds match of its and other parts, the optimal imaging parameter of acquisition X ray through the travelling speed that stepper motor 15 is regulated travelling belts 19.When travelling belt 19 is sent to the position of x-ray detection device 8 with silk cocoon 3; Obtain silkworm chrysalis X ray original image as shown in Figure 5 by computing machine 9 control X-ray detectors 16; X-ray detector 16 is passed image in the computing machine 9 back, and image shows on display 10 simultaneously.Then, carry out pre-service through 9 pairs of silkworm chrysalis radioscopic images shown in Figure 5 of computing machine, treatment scheme is as shown in Figure 7, the contrast of image is strengthened, remove noise after image cut apart, carry out morphology then and handle, extract the characteristic of image; The result of each step of pre-service is as shown in Figure 8, and contrast strengthens the gray scale difference that is meant employing linear transformation increase silkworm chrysalis image, makes image more clear, is convenient to observe.Remove noise and be meant the noise that adopts in gaussian filtering method filtering silk cocoon and background impurities and the imaging process.Image segmentation is meant and adopts fixed threshold to cut apart the silkworm chrysalis image.Morphology is handled and is meant the level and smooth silkworm chrysalis profile of employing morphology opening operation, removes burr.Characteristics of image is meant 5 Sex in Silkworm Cocoons characteristic parameters such as the area, girth, major axis, minor axis, mean flow rate of silkworm chrysalis image in the silkworm chrysalis X ray transmission image.
Because the gender differences of silk cocoon 3 are except that physiologic character; Main relevant with the shape facility of silk cocoon 3; Consider silk cocoon, the approximate spheroid of silkworm chrysalis, the present invention extracts 5 characteristics of area, girth, major axis, minor axis, mean flow rate of silkworm chrysalis image as the silkworm chrysalis characteristics of image.Area is meant the pixel count that the silkworm chrysalis target area comprises; Girth is meant silkworm chrysalis target area outline line length of run; Major axis is meant the long axis of ellipse length that the identical standard second-order moment around mean is arranged with the silkworm chrysalis target area; Minor axis is meant the minor axis length that the ellipse of identical standard second-order moment around mean is arranged with the silkworm chrysalis target area; Mean flow rate is meant the average gray value of silkworm chrysalis original image and target area lap, and the Sex in Silkworm Cocoons characteristic parameter is meant by 6 proper vectors
that characteristic parameter constitutes such as area, girth, major axis, minor axis, mean flow rate and silk cocoon weight.Silkworm chrysalis weight, area, major axis graph of a relation are as shown in Figure 9.
Referring to Fig. 5; 5 characteristics of image to the silkworm chrysalis that extracts; In conjunction with the weight information of silk cocoon 3, make up the sex character vector of silk cocoon 3, set up the discrimination model of Sex in Silkworm Cocoons characteristic parameter and Sex in Silkworm Cocoons then with K-mean cluster method according to the artificial cognition model of setting up in advance; This discrimination model imports to the Sex in Silkworm Cocoons discriminant software to model at last the sex of silk cocoon 3 is differentiated for having high correlation between Sex in Silkworm Cocoons characteristic parameter and the Sex in Silkworm Cocoons.The artificial cognition model is the discrimination model of Sex in Silkworm Cocoons characteristic parameter and Sex in Silkworm Cocoons; The conventional method of artificial cognition modelling is: at first select some (generally greater than 500) certain kind silk cocoon 3; Gather weight data, the radioscopic image data of whole silk cocoons 3, obtain the sex character parameter of silk cocoon 3; Cut cocoon then and get pupa, artificial cognition goes out the sex of silk cocoon 3.The K-mean cluster is simple unsupervised learning algorithm, and the present invention adopts Euclidean distance as silk cocoon similarity evaluation index, thinks that promptly the distance of two silk cocoon objects is near more, and its similarity is just big more, and method of discrimination has adaptivity.After silk cocoon 3 sexes are differentiated; Computing machine 9 is according to the sex information of silk cocoon 3; The damper actuator 11 of controlling sorting unit 12 carries out the sorting of silk cocoon 3; Realize female, the male sorting of silk cocoon, damper actuator 11 drops in two kinds of different vessels of gatherer 13 silk cocoon 3 through the position control sorting unit 12 of controllable register.
The present invention differentiates the sex of different cultivars silk cocoon and has versatility, but because the silk cocoon body of different cultivars has certain difference, so the present invention only enumerates the embodiment of a certain kind silk cocoon, and the pick-up unit of other silk cocoons and method and the present invention duplicate.
Claims (2)
1. Sex in Silkworm Cocoons automatic distinguishing method; Adopt the Sex in Silkworm Cocoons automatic discriminating gear; The support of this device (18) upper surface tiling travelling belt (18); Travelling belt (18) and belt (14) coaxial with belt (14) is connected stepper motor (15), and the upper left side of travelling belt (18) is feed arrangement (1) and Weight detecting device (6), is charging supporting plate (21) between feed arrangement (1) outlet and the travelling belt (18); The above and below of travelling belt (18) is provided with x-ray detection device (8); X-ray detection device (8) is made up of x ray generator (7), X-ray detector (16) and X ray controller (17); The top x ray generator (7) of travelling belt (18), below are that X-ray detector (16) and X ray controller (17) and X-ray detector (16) are positioned under the x ray generator (7); X ray controller (17) is electrically connected x ray generator (7), and X-ray detector (16) connects computing machine (9) through control line; The right side of travelling belt (18) is sorting unit (12), and sorting unit (12) has a damper actuator (11), and damper actuator (11) connects computing machine (9) through control line; Under the sorting unit (12) gatherer (13); Computing machine (9) connects the control assembly of feed arrangement (1), Weight detecting device (6) respectively through control line; Feed arrangement (1) comprises that a feedboard (2) and a plurality of parallel interval are arranged in the charging baffle plate (20) on the feedboard (2); The front side of Weight detecting device (6) is provided with blowning installation (4), and blowning installation (4) connects computing machine (9) through control line, it is characterized in that having following steps:
A, computing machine (9) control charging baffle plate (2) rotation make automatic feeder (1) that silk cocoon (3) is divided into multichannel automatically, and each road silk cocoon (3) all is transferred to Weight detecting device (6) one by one;
B, computing machine (9) control Weight detecting device (6) are realized the weight detecting of silk cocoon (3); Detected weight data is sent to computing machine (9); Simultaneously; Computing machine (9) control blowning installation (4) blows silk cocoon (3) to travelling belt (19), multichannel silk cocoon (3) and be to be sent to x-ray detection device (8) one by one after a tunnel;
C, computing machine (9) control X-ray detector (16) obtain silkworm chrysalis X ray original image, and image is carried out pre-service, and 5 characteristics of area, girth, major axis, minor axis, mean flow rate of extracting the silkworm chrysalis image are as the silkworm chrysalis characteristics of image;
D, with 5 silkworm chrysalis characteristics of image and these 6 characteristic parameters of silk cocoon weight as the Sex in Silkworm Cocoons characteristic parameter; According to the artificial cognition model of setting up in advance; Set up the discrimination model of Sex in Silkworm Cocoons characteristic parameter and Sex in Silkworm Cocoons with K-mean cluster method, model is imported to the Sex in Silkworm Cocoons discriminant software sex of silk cocoon (3) is differentiated;
E, computing machine (9) control damper actuator (11) and carry out the sorting of silk cocoon (3) according to the sex information of silk cocoon (3), and silk cocoon (3) is dropped in two kinds of different vessels of gatherer (13).
2. a kind of Sex in Silkworm Cocoons automatic distinguishing method according to claim 1 is characterized in that: said image is carried out pretreated steps in sequence is that picture contrast strengthens, removes noise, image segmentation, morphology and handles, and extracts the characteristic of image.
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| CN104899595A (en) * | 2015-03-04 | 2015-09-09 | 哈尔滨理工大学 | Male and female silkworm chrysalis sorting and counting device based on SIFT (Scale Invariant Feature Transform) feature image |
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