CN101109743A - Portable cereal analyzer based on digital picture processing technique - Google Patents
Portable cereal analyzer based on digital picture processing technique Download PDFInfo
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- CN101109743A CN101109743A CNA2007101460500A CN200710146050A CN101109743A CN 101109743 A CN101109743 A CN 101109743A CN A2007101460500 A CNA2007101460500 A CN A2007101460500A CN 200710146050 A CN200710146050 A CN 200710146050A CN 101109743 A CN101109743 A CN 101109743A
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Abstract
The invention provides a portable grain analyzer that is based on digital image processing technology. The analyzer comprises a mechanic-electric feeding system, a digital imaging system, and an image processing and data analysis system. The grains entered into the mechanic-electric feeding system will be imaged by the digital imaging system, then the imaged signals are transmitted to the image processing and data analysis system. The mechanic-electric feeding system and the digital imaging system operate under control by a computer through an image collecting and a system controlling circuit board. The mechanic-electric feeding system has a funnel, under which, a distributing plate connected with a vibrator is provided; below the distributing plate, a rotary platform for receiving grains is provided; on the rotary platform, a scraping piece is provided; under the rotary platform, a collector is provided; above the rotary platform, the digital imaging system is provided. The analyzer can automatically feed samples, is of small size, easy to operate, of high efficiency and low cost, and will not damage the sample. The invention is applicable for classification, identification, true and false verification, and quality inspection of rice and similar grains and beans.
Description
Technical field
The present invention relates to a kind of analysis and detecting instrument, refer more particularly to a kind of portable cereal analyzer based on digital image processing techniques.
Background technology
Rice is one of agricultural product of whole world amount maximum, and the annual production of whole world rice is more than several hundred million tons.The kind of rice is many, and quality and the market price are widely different, but their physical features, as size, shape, color, surface texturisation etc., difference is but very little or very little.Just because of this, a kind of cheap, low-quality rice is easy to be sticked another price height, the measured label of matter, perhaps will differ from rice and mix in price height, the measured rice of matter.This way that rehearses or mingle is comparatively general in the rice market of many countries.For stopping the generation of this phenomenon, the associated mechanisms that some are national, the judging standard or the regulation of having worked out a series of relevant rice physical features such as " international rice research institute " and " the Britain consumers' association ".Also especially to the length of rice, length/width has been done concrete description than waiting to some regulation.In this case, the effective fast and low rice analysis and detection technology of cost has become the problem that the utmost point need solve in the rice market.
Traditional rice analysis and detection technology is to adopt DNA tests, " Electronic Nose " or infrared external reflection Spectral Analysis Method.Instrument based on these principles costs an arm and a leg, bulky, complicated operation, efficient is low and be destructive to the rice sample.In recent years and since digital imagery hardware cost performance improve constantly develop rapidly with digital image processing techniques, analyze automatically and detect based on the portable cereal of digital imagery and image processing techniques to become possibility.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can carry out Classification and Identification cereal product such as rice etc., the portable cereal analyzer based on digital image processing techniques of real and fake discrimination and quality inspection, can especially size, shape and color be measured accurately to the basic physical features of cereal, be suitable for the Food Quality and Safety inspection department, rice processing factory, the needs of procurement unit and dealer etc.
For realizing purpose of the present invention, the technical solution used in the present invention provides a kind of portable cereal analyzer based on digital image processing techniques, and this analyser includes dynamo-electric feeding system, digital imaging system and Flame Image Process and data analysis system.The grain that enters dynamo-electric feeding system is through the digital imaging system imaging, again the digital imagery signal is transferred to image processing system, dynamo-electric feeding system and digital imaging system are to be moved by notebook computer control by image acquisition and system's control circuit board, wherein: described dynamo-electric feeding system includes funnel, be provided with the distributing disc that is connected on the vibrating device below the funnel, the below of distributing disc is provided with the rotation platform that receives grain, on rotation platform, be provided with scraping blade, below rotation platform, be provided with gatherer, above rotation platform, be provided with digital imaging system.
Effect of the present invention is that this portable cereal analyzer has following characteristics:
1. feeding automatically and Discrete Distribution of grain sample makes all or most grain in the sample obtain test.
2. through the full-automatic digital imagery of grain, Flame Image Process and data analysis, thereby obtain size, shape and the color of grain sample and the test result of distribution thereof.
3. this instrument can repeatedly be tested same grain sample, also can test a plurality of samples of same cereal.
4. the mode that combines with figure and data of all test results is presented on the user interface, also can store and print.
5. this instrumental calibration is easy, installs simply, need not debugging, and is easy and simple to handle; Be not only applicable to the laboratory and use, be suitable for execute-in-place yet; Such instrument volume is little, efficient is high, cost is low, and to the cereal sample without any destructiveness, promptly sample can be preserved and carry out duplicate detection, is particularly useful for cereal especially Classification and Identification, real and fake discrimination and the quality inspection of rice.
6. the present invention is applicable to other cereal, as rice, glutinous rice, barley, wheat, millet, naked oats, high grain, corn etc. and various bean products, as Classification and Identification, real and fake discrimination and the quality inspection of soya bean, mung bean, red bean, pea etc.
Description of drawings
Fig. 1 is an analyser theory structure synoptic diagram of the present invention;
Fig. 2 is the synoptic diagram of distributing disc of the present invention and scraping blade and rotation platform partial structurtes;
Fig. 3 is the vertical view of dynamo-electric feeding system of the present invention;
Fig. 4 is the side view of dynamo-electric feeding system of the present invention.
Among the figure:
1, funnel 2, vibrating device 3, distributing disc
4, rotation platform 5, plane diffusing panel 6, digital camera
7, scraping blade 8, gatherer 9, feed skewed slot
10, steel spring plate 11, solenoid 12, chassis
13, control plate washer 14, hard chassis 15, resilient disc
16, motor and reduction gearing 17, elasticity coupling device 18, gear case
19, dispersion plate
Embodiment
Reaching example in conjunction with the accompanying drawings is illustrated the portable cereal analyzer based on digital image processing techniques of the present invention.
The present invention has mainly solved the technical matters of two aspects.It at first is the problem that feeds automatically of cereal sample.Cereal is a kind of particulate mixtures of being made up of a large amount of grain, with digital imagery and image process method such potpourri is detected just to mean each grain in the sample is carried out imaging, Flame Image Process and last analysis of statistical data.For this purpose, the digital camera front automatically be carried and be dispersed in to a special dynamo-electric feeding system must one by one with grain in the sample.Only in this way, camera just can photograph all grain or the most grain in the sample.Meanwhile, dynamo-electric feeding system is can't volume too big, otherwise is difficult to guarantee the just property of taking of instrument.The first step of dynamo-electric feeding system running is that the cereal sample is sent into this instrument by a funnel shown in Fig. 1-4.Being of moderate size of this funnel, otherwise sample or do not have the representativeness of tested rice very little, or influence the Portability of testing efficiency and instrument too much.The grain that enters instrument feeds device by a custom-designed vibration-type and sends into skewed slot, distribution grid and rotation platform.This design of structure shown in Figure 2 makes grain evenly scatter, and is up and down not overlapping, thereby makes follow-up automated imaging, Flame Image Process quick and easy.The illumination of grain sample is to be realized by LED plane diffusing panel.Cereal after the test enters a shovel type gatherer so that the recovery of sample or test again.
Be Flame Image Process and data analysis system on the other hand, owing to adopt Flame Image Process and be suitable for the grain Flame Image Process and analytical algorithm software, the analysis of statistical data result that this software can accurately measure size, shape and the color of single grain and provide whole sample makes the present invention can finish the test of several thousand grain in a few minutes.The transmission of the operation of all images disposal system hardware, the synchronous operation of system software and image is finished by a conventional notebook computer and USB interface.
The present invention is that the method that adopts digital imagery, Flame Image Process and mechano-electronic designing technique to combine realizes a kind of portable cereal analyzer.This instrument by electromechanics feed, digital imagery and Flame Image Process and three systems of data analysis constitute.Dynamo-electric feeding system comprise feed funnel, vibration-type feeds device, skewed slot, distributing disc, rotation platform and gatherer.Digital imaging system comprises LED plane diffusing panel, optical lens, digital camera and control panel.Flame Image Process and data analysis system comprise notebook computer, USB interface, special image processing software and user interface.
Portable cereal analyzer structure based on digital image processing techniques of the present invention includes dynamo-electric feeding system, digital imaging system and Flame Image Process and data analysis system, the grain that enters dynamo-electric feeding system is through the digital imaging system imaging, again with the imaging digital data transmission to Flame Image Process and data analysis system, dynamo-electric feeding system and digital imaging system are to be moved by notebook computer control by image acquisition and system's control circuit board.Described dynamo-electric feeding system includes funnel 1, is being provided with the distributing disc 3 that is connected on the vibrating device 2 below the funnel 1, and the below of distributing disc 3 is provided with the rotation platform 4 that receives grain, and rotation platform 4 comprises chassis 14 and resilient disc 15.The angular velocity of rotation platform 4 is set at greater than the linear velocity of grain on distributing disc 3, helps making the formation Discrete Distribution of grain on rotation platform 4.On rotation platform 4, be provided with scraping blade 7, below rotation platform 4, be provided with gatherer 8.Be provided with digital imaging system above rotation platform 4, described digital imaging system comprises for the LED plane diffusing panel 5 of illumination and the digital camera 6 that is electrically connected with it.
Described distributing disc 3 is by feeding skewed slot 9, control plate washer 13 and dispersion plate 19 combinations, control plate washer 13 is located at and feeds skewed slot 9 and dispersion plate 19 junctions, control plate washer 13 can be adjusted up and down according to the kind of tested grain, makes the grain enter dispersion plate 19 with the form of plane individual layer.On described dispersion plate 19, be provided with the groove of parallel " V " font of multiple tracks, grain is lined up formation in order.
Described vibrating device 2 comprises and feeds the steel spring plate 10 that skewed slot 9 is connected that steel spring plate 10 is connected on the vibrative solenoid 11.
Shown in Fig. 1,2,3,4, the concrete enforcement of dynamo-electric feeding system of the present invention is such: grain by gravity by the grain that is of moderate size by funnel 1 at first enter be connected with vibrating device 2 feed skewed slot 9, through control plate washer 13, the form with the plane individual layer enters distributing disc 19 then.Control plate washer 13 can be adjusted according to the kind of tested grain.The exit portion of distributing disc 19 has multiple tracks parallel " V " font groove, makes grain line up formation automatically, and grain is fallen on the rotation platform 4 by distributing disc 3.Feed skewed slot 9, control plate washer 13 and dispersion plate 19 aggregate erections on steel spring plate 10, and be connected solenoid 11 with certain frequency vibration.Whole vibrating device 2 required power are limited in the reasonable range, and are fixedly mounted on the chassis 12, and these chassis 12 usefulness screws and nut are fixed on the casing of this analysis instrument, in order to get rid of power consumption and spuious resonance.
Because the angular velocity of rotation platform 4 is set to be higher than the linear velocity of grain on distributing disc 3, has guaranteed the formation Discrete Distribution of grain on rotation platform 4.Rotation platform 4 itself is to be made of the resilient disc 15 that a hard chassis 14 and plastic material are made, and this resilient disc 15 is black and anti-skidding, so that the follow-up imaging of grain.The elasticity of resilient disc 15 makes circular lid be close to hard chassis 14, in case this instrument is knocked and when standing upside down grain fall in the instrument.Grain on the rotation platform 4 breaks away from rotation platform 4 after the illumination and digital camera 6 imagings of LED plane diffusing panel 5 via a scraping blade 7, enters gatherer 8 again.Gatherer 8 is the shovel type and can shifts out from analyser and take away, so that the recovery of grain sample or test again.Scraping blade 7 can be by making of metal spring leaf or plastic plate and pressure being provided, and the installation site of scraping blade 7 on rotation platform 4 as shown in Figure 3.Rotation platform 4 is driven by motor and reduction gearing 16, is controlled by elasticity coupling device 17 and 90 degree gear casees 18.Pass through so structure just, tested grain is spread out fast and full-automatic digital imagery, and guaranteed the miniaturization and the reliability of whole instrument.
All kinds of control signals are connected with notebook computer with system's control circuit board and USB interface by image acquisition with data image signal.All Flame Image Process, data analysis and system's control and user interface etc. are finished by system software, shown in dotted portion among Fig. 1.The analysis of statistical data result that system software can be measured size, shape and the color of each grain automatically, quickly and accurately and provide whole sample.
Claims (8)
1. portable cereal analyzer based on digital image processing techniques, this analyser includes dynamo-electric feeding system, digital imaging system and Flame Image Process and data analysis system, the grain that enters dynamo-electric feeding system is through the digital imaging system imaging, again with the imaging digital data transmission to Flame Image Process and data analysis system, dynamo-electric feeding system and digital imaging system are to be moved by notebook computer control by image acquisition and system's control circuit board, it is characterized in that:
Described dynamo-electric feeding system includes funnel (1), be provided with the distributing disc (3) that is connected on the vibrating device (2) in the below of funnel (1), the below of distributing disc (3) is provided with the rotation platform (4) that receives grain, on rotation platform (4), be provided with scraping blade (7), be provided with gatherer (8) in the below of rotation platform (4), be provided with digital imaging system in the top of rotation platform (4).
2. the portable cereal analyzer based on digital image processing techniques according to claim 1, it is characterized in that: described distributing disc (3) is by feeding skewed slot (9), control plate washer (13) and dispersion plate (19) combination, control plate washer (13) is located at and feeds skewed slot (9) and dispersion plate (19) junction, control plate washer (13) is to adjust up and down according to the kind of tested grain, makes grain enter dispersion plate (19) with the form of plane individual layer.
3. the portable cereal analyzer based on digital image processing techniques according to claim 1 is characterized in that: be provided with the groove of parallel " V " font of multiple tracks on described dispersion plate (19), grain is lined up formation in order.
4. the portable cereal analyzer based on digital image processing techniques according to claim 1, it is characterized in that: the angular velocity of described rotation platform (4) is set at greater than the linear velocity of grain on distributing disc (3), grain is gone up at rotation platform (4) formed Discrete Distribution.
5. according to claim 1 or 4 described portable cereal analyzers based on digital image processing techniques, it is characterized in that: described rotation platform (4) comprises chassis (14) and resilient disc (15).
6. the portable cereal analyzer based on digital image processing techniques according to claim 1, it is characterized in that: described vibrating device (2) comprises and feeds the steel spring plate (10) that skewed slot (9) is connected that steel spring plate (10) is connected on the vibrative solenoid (11).
7. the portable cereal analyzer based on digital image processing techniques according to claim 1 is characterized in that: described digital imaging system comprises for the LED plane diffusing panel (5) of illumination and the digital camera (6) that is electrically connected with it.
8. the portable cereal analyzer based on digital image processing techniques according to claim 1 is characterized in that: described Flame Image Process and data analysis system comprise Flame Image Process, data analysis and system controlling software and the user interface that is located in the notebook computer.
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CN2007101460500A CN101109743B (en) | 2007-09-10 | 2007-09-10 | Portable cereal analyzer based on digital picture processing technique |
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Cited By (8)
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CN102521648A (en) * | 2011-12-15 | 2012-06-27 | 北京振兴计量测试研究所 | Method and device for automatically counting components |
CN102565061A (en) * | 2012-01-16 | 2012-07-11 | 沈阳农业大学 | Crop biomass nondestructive testing image acquisition and processing device and testing method |
CN103718015A (en) * | 2011-07-25 | 2014-04-09 | 肖邦技术公司 | Extensometer for the blow analysis of the mechanical characteristics of a sample of a cereal-based dough |
CN103884274A (en) * | 2013-11-25 | 2014-06-25 | 天津思博科科技发展有限公司 | Rice grain type detection system |
CN105571974A (en) * | 2016-01-21 | 2016-05-11 | 周口师范学院 | Portable wheat quality detection device |
CN104428657B (en) * | 2012-06-27 | 2016-11-09 | 株式会社佐竹 | Grain outward appearance determinator |
CN110221032A (en) * | 2019-07-09 | 2019-09-10 | 浙江五芳斋实业股份有限公司 | A kind of rice quality detection method based near infrared spectrum |
CN112730273A (en) * | 2021-01-06 | 2021-04-30 | 淮阴工学院 | Portable rice quality detection device and detection method thereof |
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Family Cites Families (6)
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US5956413A (en) * | 1992-09-07 | 1999-09-21 | Agrovision Ab | Method and device for automatic evaluation of cereal grains and other granular products |
US5703784A (en) * | 1995-10-30 | 1997-12-30 | The United States Of America As Represented By The Secretary Of Agriculture | Machine vision apparatus and method for sorting objects |
US5917927A (en) * | 1997-03-21 | 1999-06-29 | Satake Corporation | Grain inspection and analysis apparatus and method |
ITBO20020449A1 (en) * | 2002-07-12 | 2004-01-12 | Marchesini Group Spa | METHOD FOR THE SELECTION AND FEEDING OF ITEMS TO AN UNDERLY CELLAR TAPE AND EQUIPMENT THAT IMPLEMENTS THIS METHOD |
US7340084B2 (en) * | 2002-09-13 | 2008-03-04 | Sortex Limited | Quality assessment of product in bulk flow |
CN2603456Y (en) * | 2003-04-01 | 2004-02-11 | 中国农业机械化科学研究院 | Grain image antomatic continuous analysizer |
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2007
- 2007-09-10 CN CN2007101460500A patent/CN101109743B/en not_active Expired - Fee Related
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CN103718015A (en) * | 2011-07-25 | 2014-04-09 | 肖邦技术公司 | Extensometer for the blow analysis of the mechanical characteristics of a sample of a cereal-based dough |
CN102521648A (en) * | 2011-12-15 | 2012-06-27 | 北京振兴计量测试研究所 | Method and device for automatically counting components |
CN102521648B (en) * | 2011-12-15 | 2015-11-25 | 北京振兴计量测试研究所 | A kind of components and parts Auto-counting statistical method and device |
CN102565061A (en) * | 2012-01-16 | 2012-07-11 | 沈阳农业大学 | Crop biomass nondestructive testing image acquisition and processing device and testing method |
CN102565061B (en) * | 2012-01-16 | 2014-03-12 | 沈阳农业大学 | Crop biomass nondestructive testing image acquisition and processing device and testing method |
CN104428657B (en) * | 2012-06-27 | 2016-11-09 | 株式会社佐竹 | Grain outward appearance determinator |
US9607368B2 (en) | 2012-06-27 | 2017-03-28 | Satake Corporation | Grain appearance measuring apparatus |
CN103884274A (en) * | 2013-11-25 | 2014-06-25 | 天津思博科科技发展有限公司 | Rice grain type detection system |
CN105571974A (en) * | 2016-01-21 | 2016-05-11 | 周口师范学院 | Portable wheat quality detection device |
CN110221032A (en) * | 2019-07-09 | 2019-09-10 | 浙江五芳斋实业股份有限公司 | A kind of rice quality detection method based near infrared spectrum |
CN112730273A (en) * | 2021-01-06 | 2021-04-30 | 淮阴工学院 | Portable rice quality detection device and detection method thereof |
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