CN114544661A - Egg weighing and malformed egg identification equipment, system and method based on machine vision - Google Patents

Egg weighing and malformed egg identification equipment, system and method based on machine vision Download PDF

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Publication number
CN114544661A
CN114544661A CN202210188111.4A CN202210188111A CN114544661A CN 114544661 A CN114544661 A CN 114544661A CN 202210188111 A CN202210188111 A CN 202210188111A CN 114544661 A CN114544661 A CN 114544661A
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China
Prior art keywords
egg
malformed
weighing
machine vision
image
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Pending
Application number
CN202210188111.4A
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Chinese (zh)
Inventor
王波
郭庆亮
陈斌
殷勇
王红安
郭小昆
古毓康
张小亮
冯平
仇广杰
李林
张万涛
李红博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINGDAO XINGYI ELECTRONIC EQUIPMENT CO Ltd
Bengbu Ei Electronic Technology Co ltd
Original Assignee
QINGDAO XINGYI ELECTRONIC EQUIPMENT CO Ltd
Bengbu Ei Electronic Technology Co ltd
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Application filed by QINGDAO XINGYI ELECTRONIC EQUIPMENT CO Ltd, Bengbu Ei Electronic Technology Co ltd filed Critical QINGDAO XINGYI ELECTRONIC EQUIPMENT CO Ltd
Priority to CN202210188111.4A priority Critical patent/CN114544661A/en
Publication of CN114544661A publication Critical patent/CN114544661A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The disclosed egg weighing and malformed egg identification device, system and method based on machine vision include: the conveying line is used for conveying eggs; the image acquisition device is arranged on the conveying line and is used for acquiring egg images; and the image processing device is connected with the image acquisition device, calculates the weight and the egg shape index of the egg according to the acquired egg image, and judges whether the egg is a malformed egg or not according to the egg shape index. The egg image is collected by the image collecting device, the egg image is analyzed to obtain the weight and the egg shape index of the egg, the deformed egg is distinguished through the egg shape index, the non-contact automatic weighing of the egg and the automatic identification of the deformed egg are realized, the processing efficiency of the eggs is improved, and the labor environment of workers is improved.

Description

Egg weighing and malformed egg identification equipment, system and method based on machine vision
Technical Field
The present disclosure relates to a machine vision based egg weighing and malformed egg identification apparatus and method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In recent years, as the labor cost in China is increasing, poultry hatching and breeding enterprises which are labor-intensive have to face pressure of increasing labor cost and management cost. At present, the daily hatching egg treatment capacity of a medium-scale hatching farm is about 20 ten thousand, wherein the hatching egg treatment link is basically completed manually, the manual labor intensity is high, the treatment speed is low, the treatment effect is poor, a series of adverse factors are brought to the subsequent hatching link, and the large-scale development of the hatching farm is greatly restricted. The automatic weighing of hatching eggs can be realized through the mode of weighing sensor to the equipment that has now on the market, but the precision of weighing receives environmental factor to influence the unable discernment of malformed egg of hatching effect to the processing speed is slow, is difficult to satisfy the demand in scale hatchery.
Disclosure of Invention
In order to solve the problems, the egg weighing and malformed egg identification device, the egg weighing and malformed egg identification system and the egg weighing and malformed egg identification method based on machine vision are provided, an image acquisition device is arranged to acquire an egg image, the egg image is analyzed to obtain the weight and the egg shape index of the egg, and the malformed egg is distinguished through the egg shape index, so that the non-contact automatic weighing of the egg and the automatic identification of the malformed egg are realized, the egg processing efficiency is improved, and the labor environment of workers is improved.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
in one or more embodiments, a machine vision based egg weighing and malformed egg identification apparatus is presented, comprising:
the conveying line is used for conveying eggs;
the image acquisition device is arranged on the conveying line and used for acquiring egg images;
and the image processing device is connected with the image acquisition device, calculates the weight and the egg shape index of the egg according to the acquired egg image, and judges whether the egg is a malformed egg or not according to the egg shape index.
In one or more embodiments, a machine vision based egg weighing and malformed egg identification system is provided, comprising a machine vision based egg weighing and malformed egg identification device, and an egg grader connected to the identification device.
In one or more embodiments, a machine vision based egg weighing and malformed egg identification method is presented, comprising:
collecting an egg image;
calculating the area or volume of the obtained egg, and the long axis and the short axis of the egg according to the egg image;
calculating the weight of the egg according to the area or the volume of the egg and the empirical formula of the density of the egg;
calculating the egg shape index of the egg according to the major axis and the minor axis of the egg, and judging whether the egg is a malformed egg or not according to the egg shape index;
and grading the eggs according to the calculated weight and the egg shape index of the eggs.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the egg image is collected by the image collecting device, the egg image is analyzed to obtain the weight and the egg shape index of the egg, the deformed egg is distinguished through the egg shape index, the non-contact automatic weighing of the egg and the automatic identification of the deformed egg are realized, the processing efficiency of the eggs is improved, and the labor environment of workers is improved.
2. The egg grading machine is matched with an egg grading machine, eggs are automatically graded according to the weight and the egg shape index of the eggs, the treatment efficiency of the eggs is further improved, and the labor environment of workers is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the application, and the description of the exemplary embodiments and illustrations of the application are intended to explain the application and are not intended to limit the application.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present disclosure;
fig. 2 is a schematic structural diagram of an image capturing device in embodiment 1 of the present disclosure;
fig. 3 is a schematic structural diagram of a light source device in embodiment 1 of the present disclosure;
FIG. 4 is a schematic view of a camera fixing bracket according to the present invention;
FIG. 5 is a schematic view of a light source bracket according to the present invention;
FIG. 6 is a graph showing the effect of hatching eggs collected in example 1 of the present disclosure;
fig. 7 is a graph showing the effect of the processed hatching egg image in example 1 of the present disclosure.
Wherein: 1. the system comprises a conveying line, 2, an image acquisition device, 3, a light source device, 21, an industrial camera, 22 and a fixed support; 23. a cover shield; 31. light source, 32, light source fixing support.
The specific implementation mode is as follows:
the present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Example 1
In this embodiment, a machine vision based egg weighing and malformed egg identification device is disclosed, which is configured as shown in fig. 1, 2 and 3, and comprises:
the conveying line 1 is used for automatically conveying hatching eggs;
the image acquisition device 2 is arranged on the conveying line 1 and is used for acquiring egg images;
and the image processing device is connected with the image acquisition device 2, receives the egg image acquired by the image acquisition device 2, analyzes the egg image to obtain the weight and the egg shape index of the egg, and judges whether the egg is a malformed egg or not according to the egg shape index.
Image acquisition device 2, include, industry camera 21 and light source device 3, light source device 3 includes, for egg provides the light source 31 of shining light and is used for fixed light source 31's light source fixed bolster 32, and industry camera 21 is located the top of transfer chain 1, and industry camera 21 crosses on transfer chain 1 through fixed bolster 22, and light source 31 passes through light source fixed bolster 32 and installs on transfer chain 1, and light source 31 is located the top or the below of transfer chain 1. An egg detection channel is formed between the industrial camera 21 and the light source 31.
As shown in fig. 4, in this embodiment, the fixing bracket 22 may be obtained by connecting a plurality of channel steels, and at least includes a beam for fixing the industrial camera; the specific fixing and connecting means are conventional and will not be described in detail herein.
As shown in fig. 5, in the present embodiment, the light source fixing bracket 32 at least includes two vertical plates, a plurality of horizontal plates for fixing the light source are fixed between the two vertical plates, and it can be understood that a plurality of light source fixing holes are formed on the horizontal plates; two ends of the transverse plate can be connected with the vertical plate through a rotating shaft provided with threads, a fastening nut can be arranged on the rotating shaft, and the angle of the transverse plate can be adjusted and fixed by adjusting the tightness of the fastening nut; in other embodiments, the angle of the transverse plate can be adjusted by selecting other modes, as long as the angle of one plate on a fixed object can be adjusted; the angle of the transverse plate is adjustable, so that the irradiation of eggs at different angles is realized, the use flexibility is improved, and the aim of irradiating the eggs at multiple angles is fulfilled; simultaneously, can also realize the cross coincidence of different light source luminescence etc. through adjusting different angles between a plurality of diaphragms, can improve the improvement to egg illumination when the light after the cross coincidence shines on same egg, improve the key detection to different positions department egg.
For reducing the influence of ambient light to egg image acquisition, shield cover 23 has been set up on image acquisition device 2, shield cover 23 sets up in fixed bolster 22 all around and the top, shield cover 23's inside scribbles the black coating, form transfer passage between shield cover 23's lower part and the transfer chain 1, industry camera 21 and light source 31 are arranged in transfer passage, transfer passage's that forms between shield cover 23 and transfer chain 1 access & exit department sets up the protective rubber strip, when guaranteeing that the egg business turn over is convenient through the rubber strip, eliminate the influence of ambient light.
The image processing device receives the egg image acquired by the image acquisition device, and calculates and obtains the area or the volume of the egg, the long axis and the short axis of the egg according to the egg image; calculating the weight of the egg according to the area or the volume of the egg and the empirical formula of the density of the egg; and calculating the egg shape index of the egg according to the major axis and the minor axis of the egg, and judging whether the egg is a malformed egg or not according to the egg shape index.
The image processing device is connected with a PLC or other controller.
The egg weighing and malformed egg identification equipment based on machine vision disclosed by the embodiment automatically conveys eggs to an image acquisition device through a conveying line, after the eggs enter the image acquisition device, the eggs are irradiated by a light source, the eggs are photographed by an industrial camera to obtain egg images, the collected egg images are sent to an image processing device to be processed, the area or the volume of the eggs and the long axis and the short axis of the eggs are calculated, the quality and the egg shape index of the eggs are finally calculated, whether the eggs are malformed eggs or not is judged according to the egg shape index, the eggs are classified according to the quality and the egg shape index of the eggs, the non-contact automatic weighing of the eggs and the automatic identification of the malformed eggs are realized, the automatic classification of the eggs is realized, the processing efficiency of the eggs is improved, and the labor environment is improved.
Example 2
In this embodiment, a machine vision based egg weighing and malformed egg identification system is disclosed, comprising the machine vision based egg weighing and malformed egg identification device of embodiment 1, and an egg classifier connected to the identification device.
After the weight and the egg shape index of the egg are identified through the identification device, the egg grading machine grades the egg through the weight and the egg shape index of the egg.
Example 3
In this embodiment, a machine vision based egg weighing and malformed egg identification method is disclosed, comprising:
collecting an egg image;
calculating the area or volume of the egg, and the long axis and the short axis of the egg according to the collected egg image;
calculating the weight of the egg according to the area or the volume of the egg and the empirical formula of the density of the egg;
calculating the egg shape index of the egg according to the major axis and the minor axis of the egg, and judging whether the egg is a malformed egg or not according to the egg shape index;
and grading the eggs according to the calculated weight and the egg shape index of the eggs.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.

Claims (10)

1. Egg based on machine vision weighs and odd shaped egg identification equipment, its characterized in that includes:
the conveying line is used for conveying eggs;
the image acquisition device is arranged on the conveying line and used for acquiring egg images;
and the image processing device is connected with the image acquisition device, calculates the weight and the egg shape index of the egg according to the acquired egg image, and judges whether the egg is a malformed egg or not according to the egg shape index.
2. The machine vision-based egg weighing and malformed egg identification apparatus according to claim 1, wherein the image processing device calculates the area or volume of the egg and the major and minor axes of the egg from the egg image; calculating the weight of the egg according to the area or the volume of the egg and the empirical formula of the density of the egg; and calculating the egg shape index of the egg according to the major axis and the minor axis of the egg, and judging whether the egg is a malformed egg or not according to the egg shape index.
3. The machine vision-based egg weighing and malformed egg identification apparatus of claim 1, wherein the image capturing device comprises a light source and an industrial camera, the industrial camera is positioned above the conveyor line, and the light source is positioned below or above the conveyor line.
4. The machine vision-based egg weighing and malformed egg identification apparatus of claim 3, wherein the light source is secured to the avian egg conveyor by a light source securing bracket.
5. A machine vision based egg weighing and malformed egg identification apparatus as claimed in claim 3 wherein the industrial camera is spanned above the conveyor line by a fixed bracket.
6. The machine vision-based egg weighing and malformed egg identification device according to claim 5, wherein the image capturing device further comprises a shielding cover disposed around and on top of the fixed support, the shielding cover and the conveyor line forming a conveyor path therebetween, and the industrial camera and the light source are located in the conveyor path.
7. The machine vision-based egg weighing and malformed egg identification device of claim 6, wherein a protective rubber strip is provided at the entrance and exit of the conveying channel.
8. The machine vision-based egg weighing and malformed egg identification device of claim 6, wherein the interior of the shield is coated with a black coating.
9. Egg weighing and malformed egg identification system based on machine vision, characterized in that, comprises the egg weighing and malformed egg identification device based on machine vision of any one of claims 1-8, and an egg classifier connected with the identification device.
10. Egg weighing and malformed egg identification method based on machine vision is characterized by comprising the following steps:
collecting an egg image;
calculating the area or volume of the obtained egg, and the long axis and the short axis of the egg according to the egg image;
calculating the weight of the egg according to the area or the volume of the egg and the empirical formula of the density of the egg;
calculating the egg shape index of the egg according to the major axis and the minor axis of the egg, and judging whether the egg is a malformed egg or not according to the egg shape index;
and grading the eggs according to the calculated weight and the egg shape index of the eggs.
CN202210188111.4A 2022-02-28 2022-02-28 Egg weighing and malformed egg identification equipment, system and method based on machine vision Pending CN114544661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210188111.4A CN114544661A (en) 2022-02-28 2022-02-28 Egg weighing and malformed egg identification equipment, system and method based on machine vision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210188111.4A CN114544661A (en) 2022-02-28 2022-02-28 Egg weighing and malformed egg identification equipment, system and method based on machine vision

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CN114544661A true CN114544661A (en) 2022-05-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117475292A (en) * 2023-12-28 2024-01-30 河北玖兴农牧发展有限公司 Automatic egg identification system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117475292A (en) * 2023-12-28 2024-01-30 河北玖兴农牧发展有限公司 Automatic egg identification system and method
CN117475292B (en) * 2023-12-28 2024-03-01 河北玖兴农牧发展有限公司 Automatic egg identification system and method

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