CN202393697U - Image acquisition device for agricultural product detection based on machine vision - Google Patents
Image acquisition device for agricultural product detection based on machine vision Download PDFInfo
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- CN202393697U CN202393697U CN2012200011500U CN201220001150U CN202393697U CN 202393697 U CN202393697 U CN 202393697U CN 2012200011500 U CN2012200011500 U CN 2012200011500U CN 201220001150 U CN201220001150 U CN 201220001150U CN 202393697 U CN202393697 U CN 202393697U
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Abstract
The utility model discloses an image acquisition device for agricultural product detection based on machine vision, which comprises a box body, wherein the box body is lightproof in the process of photographing, an objective table made of a transparent material is arranged in the box body, a camera is arranged on one side of the objective table in the box body, a reflection light source used for photographing reflection images is arranged in the box body, and a transmission light source which is used for transmitting images of agricultural products and arranged opposite to the camera is arranged on the other side of the objective table in the box body. According to the image acquisition device for agricultural product detection based on machine vision disclosed by the utility model, reflection images embodying the external feature information of agricultural products are acquired through the reflection light source, transmission images embodying the inherent feature information of agricultural products are acquired through the transmission light source, and through combining the acquired reflection images and the acquired transmission images of agricultural products, the image information with rich information contents of agricultural products is obtained, thereby solving the problem of single images existing in the prior art.
Description
Technical field
The utility model belongs to the agricultural product technical field of nondestructive testing, relates in particular to the device of a kind of leaf agricultural products Non-Destructive Testing.
Background technology
Develop rapidly along with digital image processing techniques and machine vision Dynamic Non-Destruction Measurement; Its farming, in the forestry products Quality Detection application also more and more widely, these technology are applied to the identification that the leaf agricultural products detects and the detection of exterior quality, and physical parameters such as the surface configuration of blade, color, defective, disease, area, exterior quality are carried out IMAQ, differentiation and analyzing and processing; Hierarchical detection, the disease and pest that can carry out the leaf agricultural products detects, external sort detects and the research of physical parameter; In existing agricultural product pick-up unit such as computer engineering and the application periodical, article is numbered: 1002-8331 (2009) 19-0022-04, and title is the application of human-eye visual characteristic in the plant leaf blade image extracts; Mention a kind of image collecting device of plant leaf blade in the article content; Comprise casing, casing left and right sides inwall is provided with the casing of light source, and the upper wall middle part of casing vertically is provided with video camera; The front side of casing or rear side are provided with and are used for blade is put into the valve in the casing; The diapire of casing is provided with objective table, and this structure is utilized machine vision technique, detects some the external feature parameters and the exterior quality characteristic of blade through the reflected image that obtains blade; The image that this structure is gathered is single; Image information is abundant, can not carry out inherent quality to agricultural product and detect, and external feature parameters such as the color of only being obtained by single reflected image, shape, texture is carried out check and analysis to agricultural product and can be had limitation unavoidably.
The utility model content
The purpose of the utility model is to provide a kind of can obtain the image collecting device that agricultural product based on machine vision that agricultural product external feature parameter also can obtain the inherent tissue signature of agricultural product simultaneously detect, to solve the single problem of image in the prior art.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: a kind of image collecting device that detects based on the agricultural product of machine vision; Comprise lighttight casing when taking pictures, be provided with the objective table of transparent material in the casing, the side in objective table in the casing is provided with video camera; Be provided with in the casing and be used to take the used reflection source of reflected image, be provided with video camera is oppositely arranged in the opposite side of objective table in the casing and be used to take the used transmitted light source of transmission image.
Casing is provided with and is used for blade is put into the opening on the objective table.
Described reflection source and transmitted light source are LED lamp flat-plate light source, and described LED lamp flat-plate light source comprises flat board, are inlaid with the LED lamp pearl that dot matrix distributes through the hole that is provided with on it on the flat board.
Described objective table is two-sided ground glass sheet.
Described video camera is a ccd video camera.
A kind of image collecting device that detects based on the agricultural product of machine vision of the utility model; Reflected image through reflection source collection reflection agricultural product external feature information; Transmission image through transmitted light source collection reflection agricultural product internal characteristics information combines the agricultural product image information that acquired information content is abundant through reflected image and transmission image with the agricultural product of gathering; Solved conventional images collection equipment function singleness, the problem that image information is not abundant.
Further, light source adopts LED lamp flat-plate light source, makes the distribution of light sources in the casing more even.
Further, objective table is two-sided frosted glass plate, does not have grinning effect when guarantee gathering reflected image, and obtains uniform transmitted ray during the acquisition of transmission image.
Further, adopt ccd video camera to make the image of shooting more clear.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model;
Fig. 2 is the structural representation of the LED lamp flat-plate light source among the embodiment of the utility model.
Embodiment
The embodiment of the image collecting device that a kind of agricultural product based on machine vision detect; It is as shown in Figure 1: comprise lighttight casing 1 when taking pictures, be provided with the objective table of processing by two-sided ground glass 7 in the casing; There is not grinning effect when guaranteeing to gather reflected image; And obtain uniform transmitted ray during the acquisition of transmission image, and being respectively arranged with on the left and right sides inwall of casing 1 and being used to take the left side reflection source 3 and right side reflection source 4 that reflected image is used, the side in objective table 7 in the casing 1 is provided with ccd video camera 2; Opposite side in objective table 7 in the casing 1 is provided with the transmitted light source 5 that is used for transmission agricultural product image that is oppositely arranged with ccd video camera 2; Casing 1 is provided with and is used for blade is put into the opening in the casing 1, and reflection source and transmitted light source are LED lamp flat-plate light source, and structure is as shown in Figure 2; LED lamp flat-plate light source comprises force-bearing plate 10; Be inlaid with LED lamp pearl 12 through the hole that is provided with on it on the force-bearing plate 10, be enclosed with aluminium alloy material 11 around the force-bearing plate, LED lamp flat-plate light source is fixed on the casing through screw 9.
The foregoing description in use; All block with double-deck black cotton the top of casing 1, bottom and four sides, prevents that the diffuse reflection of light in extraneous light and the casing from disturbing, except the black cotton at valve place; Black cotton on all the other each faces all is fixed on the casing; Concrete operation method: will unfold good leaf agricultural products 6 and put on the objective table 7, color is placed the lower right corner of blade with reference to blank, with this image recognition error of coming in correcting captured reflected image process the variation because of light in the standard environment to cause from valve; Color not only is used for the camera white balance correction under study for action with reference to blank, also can be used as the color object of reference of reference object; Black cotton with the valve place when photographic images steps up with clip, guarantees that casing is air-tight state, at first opens left side light source 3 and right side light source 4; Then the leaf agricultural products is taken each one of left and right sides reflected image; Reflected image is taken and is finished, and closes left side light source 3 and right side light source 4, opens transmitted light source 5; Take the transmission image of blade, blade reflected image of gathering and transmission image unloading are gone into to do follow-up processing research in the computing machine 8.
That this device has is simple in structure, diverse in function, working stability, advantage such as workable; Utilize this device can gather the reflected image and the transmission image of blade; Obtain comparatively complete, abundant blade information; And then the institutional framework of the abundant agricultural product of acquired information content, eliminated and of the prior artly only come limitation that agricultural product are analyzed, the reflected image and the transmission image of this device collection by external characteristic image; For the formal structure characteristic of leaf agricultural products and the further research of inherent quality characteristic provide strong foundation; Can satisfy the use needs of the Non-Destructive Testing and the scientific research of leaf agricultural products, widen range of application, work quality and the application in real time of machine vision Dynamic Non-Destruction Measurement, have a extensive future.
In other embodiment, those skilled in the art can adjust the size of the LED lamp flat-plate light source of both sides and bottom according to the size of casing, to guarantee the even distribution of light in the casing.
In other embodiment, the light source of described both sides and bottom can also be fluorescent tube.
Claims (5)
1. image collecting device that detects based on the agricultural product of machine vision; Comprise lighttight casing when taking pictures; Be provided with the objective table of transparent material in the casing, the side in objective table in the casing is provided with video camera, is provided with the reflection source that is used to take reflected image in the casing; It is characterized in that the opposite side in objective table in the casing is provided with the transmitted light source that is used to take transmission image that is oppositely arranged with video camera.
2. the image collecting device that detects based on the agricultural product of machine vision according to claim 1 is characterized in that casing is provided with and is used for blade is put into the opening on the objective table.
3. the image collecting device that detects based on the agricultural product of machine vision according to claim 1; It is characterized in that; Described reflection source and transmitted light source are LED lamp flat-plate light source; Described LED lamp flat-plate light source comprises flat board, is inlaid with the LED lamp pearl that dot matrix distributes through the hole that is provided with on it on the flat board.
4. the image collecting device that detects based on the agricultural product of machine vision according to claim 1 is characterized in that described objective table is two-sided ground glass sheet.
5. the image collecting device that detects based on the agricultural product of machine vision according to claim 1 is characterized in that described video camera is a ccd video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200011500U CN202393697U (en) | 2012-01-04 | 2012-01-04 | Image acquisition device for agricultural product detection based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200011500U CN202393697U (en) | 2012-01-04 | 2012-01-04 | Image acquisition device for agricultural product detection based on machine vision |
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| Publication Number | Publication Date |
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| CN202393697U true CN202393697U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200011500U Expired - Fee Related CN202393697U (en) | 2012-01-04 | 2012-01-04 | Image acquisition device for agricultural product detection based on machine vision |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487439A (en) * | 2013-09-23 | 2014-01-01 | 北京农业信息技术研究中心 | Plant leaf apparent grain and texture information acquisition device and acquisition method thereof |
| CN105403520A (en) * | 2016-02-04 | 2016-03-16 | 广东医学院 | Multi-type hyperspectral imaging integration apparatus and system |
| CN107741426A (en) * | 2017-11-14 | 2018-02-27 | 合肥泰禾光电科技股份有限公司 | Agricultural product lesion analyzer |
| CN109655413A (en) * | 2017-10-11 | 2019-04-19 | 罗伯特·博世有限公司 | The method for obtaining plant information |
| CN110231338A (en) * | 2019-07-03 | 2019-09-13 | 芜湖启迪睿视信息技术有限公司 | A kind of image collecting device and Image Acquisition comparison method |
| CN111652156A (en) * | 2020-06-04 | 2020-09-11 | 杭州岚达科技有限公司 | Portable field maize species examination instrument |
| CN112924333A (en) * | 2021-01-27 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Multi-purpose device for hydrophobicity detection and hyperspectral image shooting of composite insulator |
| WO2021253502A1 (en) * | 2020-06-15 | 2021-12-23 | 上海海洋大学 | Cephalopod beak multi-view rapid photographing device |
-
2012
- 2012-01-04 CN CN2012200011500U patent/CN202393697U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487439A (en) * | 2013-09-23 | 2014-01-01 | 北京农业信息技术研究中心 | Plant leaf apparent grain and texture information acquisition device and acquisition method thereof |
| CN103487439B (en) * | 2013-09-23 | 2016-03-02 | 北京农业信息技术研究中心 | The apparent texture and material information collecting device of plant leaf blade and acquisition method thereof |
| CN105403520A (en) * | 2016-02-04 | 2016-03-16 | 广东医学院 | Multi-type hyperspectral imaging integration apparatus and system |
| CN109655413A (en) * | 2017-10-11 | 2019-04-19 | 罗伯特·博世有限公司 | The method for obtaining plant information |
| CN107741426A (en) * | 2017-11-14 | 2018-02-27 | 合肥泰禾光电科技股份有限公司 | Agricultural product lesion analyzer |
| CN110231338A (en) * | 2019-07-03 | 2019-09-13 | 芜湖启迪睿视信息技术有限公司 | A kind of image collecting device and Image Acquisition comparison method |
| CN111652156A (en) * | 2020-06-04 | 2020-09-11 | 杭州岚达科技有限公司 | Portable field maize species examination instrument |
| WO2021253502A1 (en) * | 2020-06-15 | 2021-12-23 | 上海海洋大学 | Cephalopod beak multi-view rapid photographing device |
| CN112924333A (en) * | 2021-01-27 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Multi-purpose device for hydrophobicity detection and hyperspectral image shooting of composite insulator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20160104 |