KR101493816B1 - Apparatus for measuring sample - Google Patents

Abstract

The present invention relates to a sample measuring apparatus, which measures a deviation of a rice paddy using rice bran remaining on rice measured by using an image of rice obtained through a measurement system, and analyzes visible and near-infrared reflection spectra of rice, The present invention relates to a sample measuring apparatus for measuring protein moisture of a sample.
To this end, the sample measuring apparatus of the present invention includes a bulk sample cell for storing a sample to be measured, a sample stored in the bulk sample cell is irradiated with near-infrared rays or visible light, and the reflected spectrum of the near- A moisture content measuring device for measuring a moisture content, a sample single-phase supplying device for receiving a sample stored in the bulk sample cell and discharging the sample one by one, a light source for irradiating the sample supplied by the single- (CBB) singularity measuring device for detecting a colorless area ratio (CBB).

Description

[0001] APPARATUS FOR MEASURING SAMPLE [0002]

The present invention relates to a sample measuring apparatus, which measures a deviation of a rice paddy using rice bran remaining on rice measured by using an image of rice obtained through a measurement system, and analyzes visible and near-infrared reflection spectra of rice, The present invention relates to a sample measuring apparatus for measuring protein moisture of a sample.

The preliminary meaning of the pottery is to peel the rice husk and rice bran layer and to make a new thing by putting more hands on the raw material or the material, and it is used in combination with the whitening process which peels off the rice gangue layer. It means to make white rice by removing the rice bran layer of brown rice or pure white rice brown rice.

Brown rice is rice that has been harvested by drying and threshing the rice and then removing the rice husk with a rubber roller machine. The side with the embryo is called a boat, and the opposite side is called the back. The area where the embryo is located is referred to as the base, and the other side is referred to as the head. The fine groove from the base of the surface to the head is called a bone. The cross section of the brown rice consists of the outer layer composed of the surface, the pericarp and the seed coat, the outer layer composed of the outer layer and the inner layer, and the inner layer. Here, the outer and inner lining layers are collectively referred to as an unglazed layer or a laminated layer.

In addition, brown rice is removed from the rice gut layer during the ripening process, and the rice starch is removed from the rice gruel. Generally, the rice is first processed in the side, back and stomach, and then the embryo and the bone are processed.

The degree of removal of rice bran in brown rice has a great influence on appearance quality, taste and yield of rice.

Therefore, it is very important to cultivate brown rice in a proper way during the rice cultivation process. If the overconditioning degree is too high, the appearance quality of white rice improves, the fatty acid value decreases, and the fatty acid loss results in less deterioration but yield of white rice decreases.

On the other hand, when the degree of brown rice is low, the yield of white rice is high, but the quality of food and appearance deteriorate and the fatty acid value of brown rice increases, so that the fatty acid degradation becomes worse.

Thus, although the degree of punching has a very important meaning in the paving of rice, it is unclear about the punching standards related to punching.

1 is a view showing a simplified structure of a rice grinder in a conventional grinding system. Hereinafter, a polishing machine will be described with reference to FIG.

Generally, the grinding system is composed of a plurality of grinding machines, but Fig. 1 shows only one grinding machine. As shown in FIG. 1, the polishing machine includes a white rice processing unit 10, a separation unit 20, a white rice storage unit 30, and an ungrooved layer storage unit 40.

In the above-described configuration, the white rice processing section 10 removes the rice bran layer from the brown rice, and the separating section 20 separates the white rice and the rice blanch layer from which the rice bran layer has been removed into the white rice rice storage section 30 and the rice bran layer storage section 40 Respectively.

According to the conventional rice pouring system, irregularities are generated for each polishing machine even when processed under the same brown rice conditions such as the water content of the raw brown rice, the abnormal grain ratio and the temperature.

If 1,000 grams of rice (1,000 grain weight), which is the weight of 1,000 rice, is 20g and 8 hours a day and 300 days a year are processed, it is settled at the production site with 5 ton / hr capacity The grain size of rice is about 2.5 billion euros per hour, about 2 billion euros per day, and about 600 billion euros per year.

As described above, in the rice paddy system in which a large number of rice must be harvested, it is important to uniformly mill the rice so that there is no difference between the plurality of grains, There is a need for a system and method for measuring.

Conventional methods for measuring the degree of crystallinity include a direct method of measuring the weight ratio of white rice bran to rice bran removed from brown rice at the time of inspection, and an indirect method of measuring the degree of color by measuring the color of white rice.

First, the direct method is a method of directly measuring the total weight during the drawing process, or measuring the weight using the heavenly weights. However, there is a problem that it is practically impossible to use the rice in a production site where a large amount of rice is continuously processed.

Second, as an indirect method for estimating the degree of whiteness by measuring the whiteness of white rice, a method of measuring whiteness of white rice and a method of using NMG (New-May Grunwald) reagent (Kawamura, 1990; Liu et al. 2005).

The method for measuring the degree of whiteness of white rice is to measure the degree of whiteness using the whiteness system, in which the color of rice is changed when rice bran is removed from brown rice. The whiteness is often used for measuring the degree of roughness because it has a high correlation with the color of the white rice.

However, the whiteness is generally measured in the product state. Therefore, the whiteness of the rice with the same degree of degree can be influenced by the variety, the cultivation area and conditions, the mixing ratio of abnormal lip such as immature lip and pigment, The effect of the Therefore, it is difficult to grasp the information of rice varieties accurately.

In this way, it is impossible to measure the deviation of each grain by the direct method of measuring the degree of roughness and the indirect method using whiteness.

On the other hand, the indirect method of measuring the surface state after dyeing brown rice with NMG (New-May Grunwald) reagent is the method established by Barber (1979). When white rice is stained with NMG reagent, Image processing is performed on the point representing different colors due to the difference in the composition of the layers, and the area is determined by the area of the white rice hull and the horny layer, that is, the colorized bran balance (CBB) index.

However, the conventional method of measuring the CBB index using the NMG reagent requires an excessively long time, which is disadvantageous in that it can not be used in the field of RPC.

The problem to be solved by the present invention is to propose a method of measuring the rice germination and the deviation of rice without using reagents.

Another problem to be solved by the present invention is to propose a method for measuring protein and moisture content of rice.

Another problem to be solved by the present invention is to propose a method of calculating the quality of rice using the residual rice bran, the deviation of rice, the protein and the moisture content of the measured rice.

To this end, the sample measuring apparatus of the present invention includes a bulk sample cell for storing a sample to be measured, a sample stored in the bulk sample cell is irradiated with near-infrared rays or visible light, and the reflected spectrum of the near- A moisture content measuring device for measuring a moisture content, a sample single-phase supplying device for receiving a sample stored in the bulk sample cell and discharging the sample one by one, a light source for irradiating the sample supplied by the single- (CBB) singularity measuring device for detecting a colorless area ratio (CBB).

According to the remaining rice bran measuring system of the present invention, it is possible to measure the remaining rice bran in a rice sample simply and quickly by measuring the colorimetric ratio (CBB) index of the rice sample without processing the NMG reagent There is an effect.

According to the present invention, as uniform light is irradiated to all directions of rice samples through ring illumination, it is possible to eliminate factors that hinder image processing such as a shadow effect, Can be measured.

In addition, the present invention can measure the moisture content or protein content of rice using visible light or near-infrared light, and calculate the quality of rice using the measured result.

1 is a view showing a simplified structure of a rice grinder in a conventional grinding system.
2 shows a residual corpuscular measurement system according to an embodiment of the present invention.
3 shows a CBB monolith measurement device according to an embodiment of the present invention.
FIG. 4 illustrates a protein and moisture measuring device according to an embodiment of the present invention.
5 is a flowchart showing a method for measuring residual rice bran according to the present invention.
FIG. 6 is a diagram showing a sequence of processing images in each step according to FIG.
7 is a flowchart illustrating an operation performed by the apparatus for measuring protein and moisture according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The foregoing and further aspects of the present invention will become more apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

2 shows a residual corpuscular measurement system according to an embodiment of the present invention. Hereinafter, a residual corpuscular measuring system according to an embodiment of the present invention will be described in detail with reference to FIG.

2, the residual corpuscle measuring system includes a protein and moisture component measuring device, a bulk sample cell, a bulk sample smoothing device, a sample automatic transfer device, a sample single-phase supply device, a single-piece sample supply table, and a CBB monolith measurement device. Of course, other configurations other than the above-described configuration may be included in the remaining corpuscular measurement system proposed by the present invention.

As described above, the present invention relates to a method of measuring residual rice bran by using near-infrared rays and visible rays and a method of using remaining rice bran by using image of rice. Hereinafter, a method for measuring residual rice bran by using image of rice will be described.

The remaining rice bran measurement method using the image of rice includes the sample single feeder 250, the sample single feed table 260, and the CBB singularity measuring device 270 in FIG. In order to measure the image of rice in connection with the present invention, rice should be provided as a single piece. Thus, the present invention includes a sample single feeder 250 that includes a box and a single feed for measuring images of rice.

In the context of the present invention, rice is stored inside a box (not shown) that is capable of turning left and right. That is, the box is rotatable by the motor, and the rice for measuring the image is stored therein. When the box is rotated to the left or right by the control signal, the rice stored therein moves to the solid feed device (not shown). The single-sided feeding device discharges the rice supplied from the box one by one.

The sample single-stage feeding table 260 is formed in the form of a disk and is supplied with the rice discharged from the single-sided single feeding device 250. The sample single feed table 260 rotates about the center axis and the rice discharged from the sample single feeder 250 is seated on the sample single feed table 260 and the seated rice is fed to the sample single feed table 260 And moves to the CBB solid state measuring device 270 by rotation. That is, the seized rice is moved to the measurement position of the CBB monolith measurement device 270 by rotation on the sample single-stage feed table 260. In the present invention, the rice stored in the box is moved to the CBB monolith measuring device 270 one by one to measure images of the rice. Of course, since the sample single-stage feeding table 260 rotates at a predetermined time period, the rice discharged from the single-sided single feeding device 250 can be continuously measured by the CBB single-

Hereinafter, a CBB measurement apparatus will be described with reference to FIG. 3 shows a CBB monolith measurement device according to an embodiment of the present invention.

Referring to FIG. 3, the CBB monochromatic measurement apparatus includes a transparent plate 300, a ring illumination 310, a backlight unit 320, an image acquisition unit 330, and an image processing unit 340.

In the above-described configuration, the transparent plate 300 is formed of a transparent plate, and the rice sample is placed thereon. At this time, the transparent plate 300 may also be realized as translucent. In this transparent plate 300, configurations for supplying a sample may be provided.

The ring illumination 310 is disposed on the transparent plate 300, and irradiates the rice sample with light through a ring-shaped diffusion plate. At this time, the light irradiated through the ring illumination 310 is irradiated uniformly in all the directions of the upper portion of the rice sample located at the center of the ring illumination 310, so that it is prevented from being subjected to image processing such as a shadow effect, The factor can be eliminated.

The backlight unit 320 is formed at a predetermined distance below the transparent plate 300 to irradiate the rice sample placed on the transparent plate 300 with light. At this time, the light emitted from the back light unit 320 passes through the rice sample.

The image obtaining unit 330 obtains a reflection image formed by reflecting the light irradiated through the ring illumination 310 on the rice sample and transmits the light reflected from the rice sample through the backlight unit 320, Obtain the image. The image acquiring unit 330 preferably uses a CCD (Charge Coupled Device) camera, but it is not limited thereto.

The image processing unit 340 separates the rice sample region and the background region from each other through the plurality of combined reflection images or transmitted images while controlling the brightness of the browning step by the image obtaining unit 330, 320), and the residual rice grain region of the rice sample was classified by using the surface brightness and color of the rice sample, And the remaining unmachined areas are combined to detect the final remaining unprocessed area. At this time, the permafrost area and semi-semi-permanent perforated area may be distinguished from each other depending on the hue and color. Here, the image processing unit 340 distinguishes the reflection image using the color of the rice sample, that is, the color of the pericarp, the colony layer, and the starch layer, and distinguishes the transmission image using the transmittance of each region.

At this time, the image processing unit 340 divides the final remaining rice bodied region, that is, the perianth (A) and the bifurcation layer (B) into whole rice samples (perianth (A), horny layer (B) (CBB) index of the colorless steel surface area (C), and the remaining unmealized steel is calculated.

Here, A: perianth, B: frontal layer and C: area of starch layer.

In addition, the image processing unit 340 can detect the internal density, the internal crack, and the difference in transmittance through the transmitted image.

Also, the image processing unit 340 can estimate the degree of whiteness and whiteness using the color space ratio (CBB) index. Here, there is a nonlinear relationship between the color tone Ratio (CBB) index, the degree of incidence and the degree of whiteness as shown in the following Equations (2), (3) and FIG.

Therefore, the image processing unit 340 can obtain the experimental constants and the determination coefficients using the SAS multi-regression analysis program. The results are shown in the following [Table 1] and [Table 2]. As shown in [Table 1] and [Table 2], the coefficient of determination of the CBB index by the degree of whiteness and whiteness is more than 0.99, so that the model agrees well with the measured value. CBB) index, it is possible to predict the degree and degree of whiteness.

Where C0, a, b are experimental constants and x is degrees.

The constants of Equation (2) are shown in Table 1 below.

Experimental coefficients for Eq. (2) R ²

a b -7.5472 107.5594 0.2284 0.9990

: 실험상수, x : 백도이다. here,

: Experimental constant, x: Whiteness.

The constants of Equation (3) are shown in Table 2 below.

Experimental coefficients for Eq. (3) R ² a b c d 1972.49 0.15938 3.16447e + 06 0.78719 0.9972

In addition, the CBB index difference of 50 lips excluding 10 lobes, which are different from the average value of the CBB index of 60 rice ribs determined through the scanning system, is calculated through the following equation (4).

&Quot; (4) "

Deviation Deviation = Maximum value of CBB index of 50 lips - Minimum value

Hereinafter, a method for measuring protein and moisture content of rice will be described with reference to FIG. The system for measuring protein and moisture in rice includes a protein and moisture content measuring device 210, a bulk sample cell 230, a bulk sample smoothing device 220, and a sample automatic transfer device 240. Of course, it is obvious that other constituents other than the above-mentioned constitution can be included in the system for measuring protein and moisture of rice.

In the bulk sample cell 230, rice for storing protein or moisture is stored in a bulk form. The bulk sample smoothing device 220 smoothes the top of the rice stored in the bulk sample cell. The automatic sample feeder 240 transfers the bulk sample cell 230 containing the rice flattened at the top thereof to the protein and moisture measuring device 210 by the bulk sample smoothing device 220. Hereinafter, a protein and moisture measuring apparatus according to an embodiment of the present invention will be described with reference to FIG.

FIG. 4 illustrates a protein and moisture measuring device according to an embodiment of the present invention. Hereinafter, a protein and moisture measuring apparatus according to an embodiment of the present invention will be described with reference to FIG.

According to Fig. 4, the protein and moisture measuring apparatus includes a light generating unit, an optical transmission cable, a light emitting unit, a light receiving unit, a reflected optical transmission cable, and a measurement unit. The light generating unit 400 generates near infrared rays or visible rays for measuring protein and moisture of rice. The frequency of the near-infrared light or the visible light ray generated by the light generator 400 is set in advance.

The optical transmission cable 410 transmits near infrared rays or visible rays generated by the light generator 400 to the light emitting unit 430.

The light emitting unit 420 irradiates the rice contained in the bulk sample cell with the near infrared rays or visible rays provided through the optical transmission cable 410. The light receiving unit 430 receives near infrared rays or visible rays reflected by the rice. The reflected optical transmission cable 440 transmits the near infrared ray or visible ray received by the light receiving unit 430 to the measuring unit 450.

The measuring unit 450 analyzes the reflection spectrum of the received near-infrared ray or visible ray. With respect to the present invention, the spectrum of a sample is measured by using a dedicated program WinSI to drive a spectrophotometer and the reflection spectrum is measured using a wavelength of 400 to 1500 nm.

FIG. 5 is a flow chart illustrating a method for measuring residual corpus luteum according to the present invention, and FIG. 6 is a view showing a sequence of processed images in each step according to FIG.

As shown in FIG. 5, the residual corpuscular measuring method is performed by the image processing unit 400 unless otherwise specified.

First, a reflection image or a transmission image of the rice sample taken by the image acquisition unit as shown in FIG. 6A is extracted (S500). Here, the reflection image photographed by the image acquisition unit is an image of a rice sample in which the light irradiated by the ring illumination is reflected. The illumination brightness of the ring illumination is preferably from 0 to 100 lux.

Then, as shown in FIG. 6B, the background region and the rice sample region are separated from the extracted reflection image or the transmitted image (S502).

Thereafter, as shown in FIG. 6C, the permeable residual region of the rice sample is detected from the transmission image (S504). Here, the transmission image photographed by the image acquisition unit is an image of a rice sample through which the light irradiated by the backlight unit is transmitted. In this case, the brightness of the backlight is preferably in the range of 0 to 100 lux.

Further, as shown in FIG. 6D, the reflection residual rice grain region is detected in the rice sample region of the reflection image (S506).

Thereafter, as shown in FIG. 6E, the final remaining unmachined region is detected by combining the transmitted unmachined region and the reflected image detected through the transmitted image (S508). Here, the final remaining rice bran area is divided into regions of the rice sample, that is, the pericarp, the vagina, and the starch layer, using the color in the reflection image, and the permeability of each region in the transmission image.

Subsequently, as shown in FIG. 6F, the color barbecue area ratio (CBB) index of the perianth, horny layer and starch layer is calculated (S510).

[Equation 1]

Here, A: perianth, B: frontal layer and C: area of starch layer.

7 is a flowchart illustrating a process of measuring protein and moisture of rice according to an embodiment of the present invention. Hereinafter, a process of measuring protein and moisture of rice according to an embodiment of the present invention will be described in detail with reference to FIG.

In step S700, the frequency band of the near-infrared ray or visible ray to be used for measuring the protein and moisture of the rice is set.

Infrared or visible light having the frequency band set in step S702 is generated.

The near infrared rays or visible rays generated in step S704 are irradiated to the sample (rice).

The reflection spectrum in which the near-infrared ray or visible light irradiated in step S706 is reflected by the rice is received.

The moisture content or the protein content of the rice is analyzed by analyzing the reflection spectrum received in step S708.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the present invention .

210: Protein and moisture measuring device 220: Bulk smoothing device
230: Bulk sample cell 240: Automatic sample transfer device
250: sample single feeder 260: sample single feed table
270: CBB discrete measuring device

Claims (6)

A sample measuring device for inspecting the quality of rice which can perform both of the function of measuring the protein and moisture content of the bulk sample by analyzing the reflection spectrum of the near infrared ray or the visible ray and the function of detecting the remaining rice bran area through the image of the single- ,
The sample measuring apparatus includes:
A bulk sample cell for storing a sample to be measured;
A bulk sample smoothing device for smoothing the upper end of the sample stored in the bulk sample cell;
An automatic sample conveying device for conveying the bulk sample cell whose upper end is flattened by the bulk sample equalizing device to a protein and moisture measuring device;
A protein and moisture content measuring device for irradiating a sample stored in the bulk sample cell with near infrared rays or visible rays and measuring the protein and moisture content through spectral analysis of the reflected light of the near infrared rays or visible rays;
A sample single-phase feeding device for receiving a sample stored in the bulk sample cell and discharging the sample one by one;
A sample single feed table for continuously conveying a sample discharged from the single-sided single-sided feeding device to a colorless steel area ratio (CBB) single-sided measuring device while rotating in a predetermined time period with a disk shape and a central axis as a reference; And
(CBB) uniaxial measuring device for detecting a residual unoriginated region by analyzing a transmitted image and a reflected image obtained by irradiating light to a sample supplied from the sample single-sided feeding device,

The colorless steel area ratio (CBB)
A transparent plate on which the sample is placed;
A backlight unit disposed below the transparent plate and irradiating light onto the sample placed on the transparent plate;
A ring illumination disposed on the transparent plate and irradiating the sample with light through a ring-shaped diffusion plate;
An image acquisition unit acquiring a reflection image formed by reflecting light irradiated through the ring illumination on a sample and acquiring a transmission image formed from light transmitted through the sample through the backlight unit; And
And an image processing unit for detecting a residual corpuscular region through a reflection image and a transmission image acquired through the image acquisition unit to obtain an area of a pericarp, a colony layer, and a starch layer, and then to calculate a color microbeam area ratio (CBB) index,
The calculating of the color depth ratio (CBB) index by the image processing unit may be performed by separating the sample region and the background region through the obtained reflection image and the transmitted image, separating the remaining unoriginated region of the sample from the projection image, By using the surface brightness and color of the sample, the remaining unrefrigerated region in the sample region of the reflection image is distinguished, and the final remaining unorraded region is detected by combining the remaining unreinforced unreinforced region with the remaining unirradiated region. The area is calculated using the color for the reflection image and the transmittance for the transmission image, and calculates the color space area ratio (CBB) index using the following equation (1)
[Equation 1]

Where A is the area of the perianth, B is the area of the colony layer, C is the area of the starch layer

The protein and moisture content measuring device comprises:
A light generating unit generating near infrared rays or visible rays;
A transmission cable for transmitting near infrared rays or visible rays generated by the light generator;
A light emitting unit for emitting near infrared rays or visible rays transmitted by the transmission cable to a sample;
A light receiving unit for receiving near infrared rays or visible rays reflected by the sample;
A reflected light transmission cable for transmitting near-infrared light or visible light received by the light receiving unit; And
And a measuring unit for analyzing the spectrum of the reflected light transmitted by the reflected light transmission cable and measuring the protein or moisture content of the sample. delete delete delete delete delete

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