WO2019151821A1 - 자기공명 영상을 이용한 계란 감별장치 - Google Patents
자기공명 영상을 이용한 계란 감별장치 Download PDFInfo
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- WO2019151821A1 WO2019151821A1 PCT/KR2019/001432 KR2019001432W WO2019151821A1 WO 2019151821 A1 WO2019151821 A1 WO 2019151821A1 KR 2019001432 W KR2019001432 W KR 2019001432W WO 2019151821 A1 WO2019151821 A1 WO 2019151821A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
- G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/08—Eggs, e.g. by candling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/08—Eggs, e.g. by candling
- G01N33/085—Eggs, e.g. by candling by candling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
Definitions
- the present invention relates to an egg discrimination apparatus using magnetic resonance imaging.
- eggs are divided into fertilized eggs and unfertilized eggs.
- fertilized eggs are used for food because fertilized eggs are not fertilized by egg and sperm in the female body of oviparous animals and hatched into eggs. As it is possible to hatch, it is widely used for chick hatching.
- fertilized eggs are fed to edible egg retailers and the like because chick hatching is not possible, and fertilized eggs are fed to poultry farms because chick hatching is possible. If the fertilized eggs and fertilized eggs are supplied to the poultry farm, if the chicks are not hatched from the eggs purchased at a cost, the poultry farm will have great loss.
- the technical problem to be achieved by the present invention is to provide an egg discrimination apparatus using a magnetic resonance image that can be photographed inside the egg using a magnetic resonance imager to identify the fertilized egg and unfertilized egg, and can automatically classify it.
- Egg discrimination apparatus using a magnetic resonance image for achieving the above object is to shoot the nucleus of the egg in the magnetic resonance image, and check the shape of the outline to mark the egg nucleus in the magnetic resonance image It is possible to provide an egg discrimination apparatus using magnetic resonance imaging that can determine abortion.
- the table driving unit for sequentially moving the input plurality of eggs;
- a photographing unit which photographs the eggs transferred by the table driving unit and outputs a magnetic resonance signal;
- An image processor which acquires an image including the nucleus of the egg from the magnetic resonance signal output from the photographing unit, and measures and outputs the curvature of the outline of the nucleus;
- a controller which determines whether there is no disturbance through the curvature values of the eggs output from the image processor;
- an index unit for displaying the fertilized egg or the unfertilized egg by spraying colored ink on the outer surface of the egg determined as the fertilized egg or the unfertilized egg under the control of the controller.
- the image processor may further include: an MR image acquisition module configured to restore a magnetic resonance signal output from the photographing unit to a magnetic resonance image and to obtain an image from the restored image; An inflection point tracking module for tracking and setting an inflection point in the outline of the nucleus included in the image; A reference point setting module for setting reference points on both sides of the inflection point set by the inflection point tracking module; And a curvature measuring module configured to measure a curvature of the section between the reference point and the reference point set by the reference point setting module and output the result to the controller.
- an MR image acquisition module configured to restore a magnetic resonance signal output from the photographing unit to a magnetic resonance image and to obtain an image from the restored image
- An inflection point tracking module for tracking and setting an inflection point in the outline of the nucleus included in the image
- a reference point setting module for setting reference points on both sides of the inflection point set by the inflection point tracking module
- a curvature measuring module configured to measure a curva
- control unit may further include an image editing unit for editing the image to display whether or not undisturbed eggs or eggs.
- the reference point may be set to a point spaced apart by a distance set from the inflection point.
- the reference point may be a point at which the curvature of the outline begins to change.
- the fertilized egg and the unfertilized egg can be identified through the magnetic resonance imaging of the inside of the egg, a large amount of eggs can be more accurately discriminated for a shorter time.
- FIG. 1 is a block diagram showing a fertilized egg discrimination apparatus using a magnetic resonance image according to the present invention.
- FIG. 2 is a block diagram illustrating an image processor in the present invention.
- 3A and 3B are magnetic resonance image images of fertilized eggs in the present invention.
- FIG. 4 is a view showing the nucleus of the fertilized egg in the present invention.
- FIG. 5 is a diagram illustrating an example of an indexed image in the present invention.
- FIG. 6 is a flowchart illustrating a method of differentiating a fertilized egg using magnetic resonance images according to the present invention.
- the best form of the egg discrimination apparatus using the magnetic resonance image of the present invention by imaging the nucleus of the egg in the magnetic resonance image, by determining the shape of the outline indicating the egg nucleus in the magnetic resonance image can determine the fertilized egg or unfertilized egg Is done.
- any part of the specification is to “include” any component, this means that it may further include other components, except to exclude other components unless otherwise stated.
- the terms “part” and / or “module” refer to a hardware component, such as software, FPGA, or ASIC, and “part” plays certain roles. However, “part” is not meant to be limited to software or hardware.
- the “unit” and / or “module” may be configured to be in an addressable storage medium and may be configured to play one or more processors.
- “parts” and / or “modules” are components, such as software components, object-oriented software components, class components, and task components, processes, functions, attributes, and the like. Fields, procedures, subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables.
- the functionality provided within the components and “parts” may be combined into a smaller number of components and “modules” or further separated into additional components and “modules”.
- FIG. 1 is a block diagram showing a fertilized egg discrimination apparatus using a magnetic resonance image according to the present invention
- Figure 2 is a block diagram showing an image processor 400 in the present invention.
- the egg discrimination apparatus using the magnetic resonance image converts and analyzes an image captured by the image capturing unit 200 and an image captured by the image capturing unit 200 into an image.
- An image and / or an image of the panel 800, the index unit 600 which sprays and displays colored ink on the undetermined egg or the fertilized egg displayed by the image editing unit 500, and the photographing unit 200 to the image editing unit 500.
- the table driver 700 sequentially moves a plurality of eggs placed on the upper surface under the control of the controller 100.
- the worker sequentially moves a frame (eg, an egg plate made of paper material) in which a plurality of eggs are stored to the photographing unit 200 to the index unit 600.
- a frame eg, an egg plate made of paper material
- it can be transported to the work bench where the worker is located.
- the operation panel 800 is a terminal provided with a plurality of switches and outputs a command set to a combination of a menu and a switch according to the operator's selection to the controller 100.
- the operation panel 800 may be applied to the touch type display 300 which is integrated with the display 300.
- the display 300 may be integrated with the operation panel 800 or may be implemented as a separate device.
- the display 300 outputs the captured magnetic resonance image and the image, and the result of the determination of the fertilized egg and / or the unfertilized egg according to the action of the controller 100 and the image processor 400, and the edited image of the image editing unit 500.
- the controller 100 controls the photographing unit 200, the table driving unit 700, the image processing unit 400, the index unit 600, and the display 300. Drive it.
- the photographing unit 200 is excited by one of a plurality of frequency signals set in correspondence with an area of the object (egg) under the control of the controller 100 to emit a magnetic resonance signal and output the emitted magnetic resonance signal. It is received and output to the image processor 400.
- the eggs contained in the same plate to be transported at the same time photographed sequentially or simultaneously.
- the image processor 400 acquires a magnetic resonance image of the eggs by processing the magnetic resonance signal output from the photographing unit 200, and converts the obtained magnetic resonance image into an image to analyze the shape of the nucleus 901. Output to the control unit 100.
- the detailed configuration of the image processor 400 will be described with reference to FIG. 2.
- the image processing unit 400 processes the magnetic resonance signal of the photographing unit 200 to acquire a magnetic resonance image, and a nucleus of an egg included in the magnetic resonance image.
- An inflection point tracking module 420 for tracking inflection points A to F (see FIGS. 3 and 4) on the outline 902 displaying 901, and a reference point setting module for setting reference points positioned at both sides with respect to the inflection point.
- a curvature measuring module 440 for calculating curvature of the inflection points A to F
- a code setting module 450 for setting a code for each egg included in the image.
- the magnetic resonance image acquisition module 410 restores the magnetic resonance signal output from the photographing unit 200 to the magnetic resonance image, and converts the restored magnetic resonance image into an image.
- the eggs are typically moved by the table driving unit 700 in a plurality (eg, 20) aligned. Therefore, the magnetic resonance image acquisition module 410 receives the magnetic resonance signal of all the eggs or each of the eggs moving at the same time and restores them to an image and converts it into an image.
- the inflection point tracking module 420, the reference point setting module 430, and the curvature measurement module 440 will be described with reference to FIGS. 3A, 3B, and 4.
- FIG. 3A and 3B are magnetic resonance image images of the fertilized egg in the present invention
- FIG. 4 is a diagram illustrating the nucleus 901 of the fertilized egg in the present invention.
- the inflection point tracking module 420 distinguishes the nucleus 901 from the magnetic resonance image image and tracks and displays the inflection points A through F in the outline 902 of the nucleus 901.
- the inflection point corresponds to a point (a point of changing from a rising curve to a falling curve or a point of changing from a rising curve to a falling curve) among the outline 902 of the image.
- the present invention is an inflection point (point of changing from the rising curve to the falling curve of the rising curve or falling curve of the nucleus 901 in the image so as to automatically identify the characteristics of the above fertilized eggs (inverted point ( A to F), and the curvature change of each inflection point (A to F) was calculated to distinguish the difference between the fertilized egg (910) (see FIG. 5) and the unfertilized egg (920) (see FIG. 5).
- Reference point setting module 430 is a reference point (A ', A' ', the point where the curvature change on both sides with respect to the inflection points (A, B, C, D, E, F) calculated by the inflection point tracking module 420 , B ', B' ', C', C '', D ', D' ', E', E '', F ', F' ').
- the outline 902 of the nucleus 901 has a plurality of inflection points A, B, C, D, E, F, and each inflection point A, B, C, D, E, F.
- the point at which the curvature changes on both sides (A ', A' ', B', B '', C ', C' ', D', D '', E ', E' ', F', F ''' has Therefore, the reference point setting module 430 sets the point where the curvature change starts as a reference point.
- the reference point setting module 430 may set both points spaced apart by the distance set from the inflection point as the reference point.
- the curvature measurement module 440 measures a change in curvature of the section between the two reference points. For example, the curvature measuring module 440 measures the curvature change of the section between the reference points (A ', A' ') set on both sides of the A inflection point and outputs it to the controller 100.
- the code setting module 450 sets each unique code to all the eggs of the MRI image under the control of the controller 100. That is, the code setting module 450 sets a unique code for each egg included in the MRI image, and each unique code is included in the calculation result of the inflection point tracking module 420 to the curvature measuring module 440 in the image. It is used as data to identify eggs.
- the control unit 100 receives a measurement signal of each curvature change and determines an egg having a curvature change of a predetermined reference or more as a fertilized egg. More preferably, the controller 100 may include both the amount of curvature change and the number of inflection points. For example, since the core 901 of the fertilized egg 901 outline 902 is determined to have a predetermined level of inflection points and a change in curvature, determination conditions may be set accordingly.
- controller 100 controls the image editing unit 500 to the indexing unit 600 according to the determination result.
- the image editing unit 500 edits to add a shadow, a character, a symbol, or the like to the image of the egg determined as the disorderless egg 920 in the MRI image (see FIG. 5) under the control of the controller 100.
- the index unit 600 indexes the fertilized egg 910 or the unfertilized egg 920 to the eggs transferred by the table driver 700 under the control of the controller 100.
- the index unit 600 includes an ink injector 620 for injecting ink into eggs, and a jet control module for controlling the ink injector 620 under the control of the controller 100.
- the injection control module 610 is driven under the control of the control unit 100 to control the ink ejector 620 by checking the position of the random eggs through the image edited by the image editing unit 500.
- the ink injector 620 displays colored ink in an undetermined egg so that an operator can visually confirm it.
- the present invention includes the positions of a plurality of eggs carried by a standardized frame (eg, egg plate) in the image, and then confirms the fertilized and / or unfertilized eggs through magnetic resonance images and displays them as ink. .
- a standardized frame eg, egg plate
- the present invention includes the configuration as described above, hereinafter will be described a method of differentiating the fertilized egg using a magnetic resonance image according to the present invention.
- FIG. 6 is a flowchart illustrating a method of differentiating a fertilized egg using magnetic resonance images according to the present invention.
- the present invention may include a step S100 of inserting an egg housing frame, a step S200 of driving the photographing unit 200 to acquire a magnetic resonance image, and a step S300 of obtaining an image from the magnetic resonance image; Step S400 of tracking the inflection point from the outline 902 indicating the nucleus 901 of the egg in the image, S500 of setting the reference point, S600 of calculating the curvature for each section between the reference point, and determine whether there is no disorder S700 step to perform, and S800 step to index the unfertilized eggs.
- step S100 when the operator fills the mold with a plurality of eggs (for example, 30 eggs) and inputs a driving command through the operation panel 800, the controller 100 controls the table driving unit 700 to open the mold. It is a step of input.
- a plurality of eggs for example, 30 eggs
- step S200 the controller 100 drives the photographing unit 200 to photograph the eggs transferred by the table driving unit 700 to acquire a magnetic resonance image.
- the photographing unit 200 obtains a magnetic resonance signal and outputs the magnetic resonance signal to the image processing unit 400.
- the image processor 400 restores the magnetic resonance image through the magnetic resonance signal.
- step S300 the controller 100 controls the image processor 400 to convert the magnetic resonance image into an image.
- the image processor 400 converts the magnetic resonance image into an image under the control of the controller 100.
- the code setting module 450 assigns unique identification information (identification code) to each egg included in the self-image image.
- the image processor 400 tracks and sets an inflection point at the outline 902 of the nucleus 901 in the MRI image under the control of the controller 100.
- the inflection point tracking module 420 of the image processing unit 400 is driven by the control of the control unit 100 to track and set the inflection points A through F by analyzing the outline 902 of the nucleus 901 in the MRI image. do.
- the image processing unit 400 sets the reference points A ′ to F ′′ as points at which curvature changes are started at both sides of the inflection points A to F under the control of the controller 100.
- the reference point (A ' ⁇ F' ') may be set to a point located at a distance set from both sides with respect to the inflection point (A ⁇ F).
- the image processor 400 calculates a curvature of a section between the reference points A ′ to F ′′.
- the curvature measuring module 440 of the image processor 400 calculates a curvature of a section between reference points A ′ to F ′′ set at both sides with respect to the inflection points A to F.
- FIG. For example, the curvature is the curvature of the section of A'-A '' set on both the left and right sides of the A inflection point.
- the calculated result is output to the controller 100. At this time, the result value includes both the curvature value and the number of inflection points.
- the controller 100 receives a signal including a number of curvatures and an inflection point received from the image processor 400, and compares the signal with a set reference to determine whether there is no disturbance.
- the outline 902 which represents the nucleus 901 of the fertilized egg, has an elliptical shape close to a circular shape, so that the number of inflection points A to F and the curvature change are smaller than those of the fertilized egg. Therefore, the control unit 100 determines whether the egg is undisturbed in comparison with the set criterion (number of inflection points or curvature).
- Step S800 is a step in which the control unit 100 determines the egg as undisturbed eggs and controls the index unit 600 and the image editing unit 500.
- the image editing unit 500 displays a separate color, symbol, character, etc. on the corresponding eggs identified as undisturbed in the magnetic resonance image.
- the edited image is output to the display 300 under the control of the controller 100.
- the index unit 600 is driven under the control of the control unit 100, and is transferred by the table driving unit 700 according to the unique identification information of the undetermined eggs output from the image editing unit 500 and / or the control unit 100. Spray colored ink onto the eggs in the mold.
- the ink injector 620 may be installed on, for example, a rail that crosses in the transverse direction from the upper side of the table driver 700. Therefore, the injection control module 610 drives the ink injector 620 to eject ink after the ink injector 620 is moved laterally.
- control unit 200 recording unit
- code setting module 500 image editing unit
- index portion 610 injection control module
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Claims (6)
- 자기공명(MR) 영상으로 계란의 핵(901)을 촬영하고,자기공명 영상에서 계란의 핵(901)을 표시하는 외곽선(902)의 형상을 확인하여 유정란 또는 무정란을 판단하는 것을 특징으로 하는 자기공명 영상을 이용한 계란 감별 장치.
- 제1항에 있어서,투입된 복 수개의 계란을 순차적으로 이동시키는 테이블 구동부(700);테이블 구동부(700)에 의해 이송된 계란들을 촬영하여 자기공명 신호를 출력하는 촬영부(200);촬영부(200)에서 출력된 자기공명 신호에서 계란의 핵(901)이 포함된 이미지를 획득하고, 핵(901)의 외곽선(902)의 곡률을 측정 및 출력하는 영상 처리부(400);영상 처리부(400)에서 출력된 계란들의 곡률 값을 통하여 무정란 여부를 판단하는 제어부(100); 및제어부(100)의 제어에 의해 유정란 또는 무정란으로 판단된 계란의 외면에 유색상의 잉크를 분사하여 유정란 또는 무정란을 표시하는 색인부(600);를 포함하는 자기공명 영상을 이용한 계란 감별 장치.
- 제2항에 있어서, 영상 처리부(400)는촬영부(200)에서 출력된 자기공명 신호를 자기공명 영상으로 복원하고, 복원된 영상에서 이미지를 획득하는 MR 영상 획득 모듈;이미지에서 핵(901)의 외곽선(902) 중 상승곡선에서 하강곡선으로 변화되는 지점 또는 상승곡선에서 하강곡선으로 변화되는 지점을 추적하여 변곡점(A~F)으로 설정하는 변곡점 추적 모듈(420);변곡점 추적 모듈(420)에 의해 설정된 변곡점을 중심으로 양측에서 각각 기준점을 설정하는 기준점 설정 모듈(430); 및기준점 설정 모듈(430)에 의해 설정된 기준점과 기준점 사이 구간의 곡률을 측정하고, 그 결과를 제어부(100)에 출력하는 곡률 측정 모듈(440);을 포함하는 자기공명 영상을 이용한 계란 감별 장치.
- 제2항 또는 제3항에 있어서,제어부(100)의 제어에 의하여 무정란 또는 유정란 여부를 표시하도록 이미지를 편집하는 이미지 편집부(500)를 더 포함하는 자기공명 영상을 이용한 계란 감별 장치.
- 제3항에 있어서, 기준점은변곡점에서 설정된 거리 만큼 이격된 지점으로 설정된 것을 특징으로 하는 자기공명 영상을 이용한 계란 감별 장치.
- 제3항에 있어서, 기준점은외곽선(902)의 곡률이 변화되기 시작되는 지점인 것을 특징으로 하는 자기공명 영상을 이용한 계란 감별장치.
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JPH09127096A (ja) * | 1995-11-06 | 1997-05-16 | Hamamatsu Photonics Kk | 有精卵鑑別装置 |
JP2003274791A (ja) * | 2002-03-27 | 2003-09-30 | Horiuchi:Kk | 有精卵の雌雄鑑別技術 |
JP2008020224A (ja) * | 2006-07-11 | 2008-01-31 | Joichiro Tsuboi | 画像処理による有精卵自動検卵装置 |
JP2009279516A (ja) * | 2008-05-22 | 2009-12-03 | Joichiro Tsuboi | 有精卵検査装置 |
JP2011169626A (ja) * | 2010-02-16 | 2011-09-01 | Joichiro Tsuboi | 有精卵自動検卵装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4371405A1 (en) | 2022-11-17 | 2024-05-22 | Van de Ven Beheer B.V. | Scanning device for scanning eggs |
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