WO2012172834A1 - 収穫時熟度推定装置、収穫時熟度推定方法及びプログラム - Google Patents
収穫時熟度推定装置、収穫時熟度推定方法及びプログラム Download PDFInfo
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
Definitions
- the present invention relates to a harvest-time ripeness estimation device, a harvest-time ripeness estimation method, and a program.
- Patent Document 1 and Non-Patent Document 1 disclose a technique for measuring the quality of fruits and vegetables based on image data.
- Patent Document 2 discloses a method for measuring the maturity of a crop when the crop is harvested.
- Patent Document 3 discloses a technique for predicting future quality based on current quality.
- Non-Patent Documents 2 and 3 disclose a method for predicting the deterioration rate of quality of fruits and vegetables based on photographed data.
- the quality transition model showing the transition of quality with the passage of time relates not only to the current information but also to the maturity at the time of harvest. Therefore, in order to improve the prediction performance of future quality, information indicating the maturity at the time of harvest is required.
- Patent Document 1 Non-Patent Document 1
- Patent Document 2 can only measure the quality and maturity at the time of measurement. The information shown cannot be obtained.
- patent document 3 discloses that the future quality is predicted based on the current quality, the point of obtaining information indicating the maturity at the time of harvest at a time later than the time of harvest is disclosed. Nothing is disclosed.
- the present invention has been made in view of such circumstances, and an object thereof is to estimate information indicating the maturity at the time of harvest at a stage after the time of harvest.
- the harvest-time maturity estimation apparatus provides a first optical obtained by irradiating light and a first wavelength to the fruit and vegetables at a first time point after the fruit and vegetables are harvested.
- the first optical data acquisition unit for acquiring the target data, and the correspondence between the value of the first optical data and the maturity at the time of harvest of fruits and vegetables for the light of the first wavelength
- Harvest-time ripeness for estimating the harvest-time ripeness of fruits and vegetables based on the harvest-time ripeness correspondence information storage unit that stores information, the acquired first optical data, and harvest-time ripeness correspondence information An estimation unit.
- the computer irradiates light of the first wavelength to the fruits and vegetables at a first time point after the fruits and vegetables are harvested.
- the harvest maturity correspondence information indicating the correspondence relationship between the value of the first optical data and the maturity at the time of harvest of fruits and vegetables for the light of the first wavelength, and Based on the first optical data, the maturity at the time of harvest of fruits and vegetables is estimated.
- a program provides a first optical obtained by irradiating a computer with light having a first wavelength at a first time after harvesting the fruits and vegetables.
- Harvesting maturity correspondence information indicating a correspondence relationship between the value of the first optical data and the maturity at the time of harvest of the fruits and vegetables with respect to the light of the first wavelength, And the function of estimating the maturity at the time of harvest of the fruits and vegetables based on the first optical data.
- the “unit” does not simply mean a physical means, but includes a case where the function of the “unit” is realized by software. Also, even if the functions of one “unit” or device are realized by two or more physical means or devices, the functions of two or more “units” or devices are realized by one physical means or device. May be.
- information indicating the maturity at the time of harvest can be estimated at a stage after the time of harvest.
- FIG. 3 is a diagram showing a difference value from the reflectance of the previous wavelength in the reflectance shown in FIG. 2. It is a figure which shows an example of harvest time maturity correspondence information. It is a flowchart which shows an example of the process which estimates the maturity at the time of harvest. It is a figure which shows the structure of the harvest time ripeness estimation apparatus which is the 2nd Embodiment of this invention. It is a figure which shows an example of the quality transition model for every harvest maturity of an Irwin mango.
- FIG. 8 is an example in which the current value of the total reflectance is plotted on the graph shown in FIG.
- FIG. 8 is an example in which the current value of the total reflectance is plotted on the graph shown in FIG.
- FIG. 8 is an example in which the current value of the total reflectance is plotted on the graph shown in FIG.
- FIG. 8 is an example in which the current value of the total reflectance is plotted on the graph shown in FIG.
- FIG. 8 is an example of the process which estimates the future quality of fruit and vegetables.
- It is a figure which shows the structure of the harvest time ripeness estimation apparatus which is the 4th Embodiment of this invention.
- It is a figure which shows an example of the reflectance of an Irwin mango and Keats mango.
- It is a flowchart which shows an example of the quality prediction process in consideration of the kind of fruit and vegetables.
- FIG. 1 is a diagram showing a configuration of a harvest-time ripeness estimation apparatus according to the first embodiment of the present invention.
- the harvest time maturity estimation device 10 is a device for estimating the maturity at the time of harvest of fruits and vegetables, that is, the harvest time maturity.
- a portable terminal such as a handy terminal, or an information processing device such as a personal computer or a server. It is realized by.
- the harvest-time ripeness estimation apparatus 10 includes an optical data acquisition unit 20, a harvest-time ripeness correspondence information storage unit 22, and a harvest-time ripeness estimation unit 24.
- each unit in the harvest-time ripeness estimation device 10 can be realized by using a storage area such as a memory or a storage device, or by executing a program stored in the storage area, for example. .
- the optical data acquisition unit 20 acquires optical data obtained by irradiating fruits and vegetables with light of a specific wavelength.
- the light of a specific wavelength is light having a wavelength with which the value of the optical data can be distinguished according to the ripeness at harvest, and may be light of one wavelength or light of a plurality of wavelengths. May be.
- the optical data is data obtained by irradiating fruits and vegetables with light, for example, reflectance and transmittance.
- image data obtained by imaging fruits and vegetables is obtained by irradiating the fruits and vegetables with light such as natural light, and is included in the optical data.
- the optical data acquisition unit 20 can store the acquired optical data in a memory or the like for use in subsequent processing.
- the optical data acquisition unit 20 includes an irradiation unit for irradiating light, a measurement unit for measuring the intensity of reflected light and transmitted light, and a data generation unit for generating optical data based on the measurement result. It may be configured.
- the optical data acquisition unit 20 may acquire optical data generated outside the harvest-time ripeness estimation device 10 via a cable or a network. In the present embodiment, the description will be made mainly using the reflectance as the optical data, but it is possible to use optical data in any format as described above.
- the harvest-time ripeness correspondence information storage unit 22 stores harvest-time ripeness correspondence information indicating the correspondence between the value of optical data obtained by irradiating fruits and vegetables with a specific wavelength and the harvest-time ripeness.
- the specific wavelength used when estimating the harvest ripeness is determined based on a prior experiment or the like.
- the reflectivity changes greatly depending on the ripeness at the time of harvest, but the reflectivity does not change substantially at the ripening stage after the harvest, that is, a wavelength band in which the ripeness at the time of harvest can be estimated is set as a specific wavelength. It is possible to select.
- FIG. 2 is a diagram illustrating an example of the reflectivity for each harvest ripeness at a certain time after harvesting of Irwin mango.
- FIG. 2 shows three types of maturity at harvest: immature, appropriate ripe, and fully ripe.
- the “reflectance” on the vertical axis indicates the ratio to the reflectance when barium sulfate is used as the white standard material.
- the horizontal axis of FIG. 2 represents the wavelength. Note that the reflectance of a wavelength band in which a substance serving as a quality index has a maximum absorption wavelength is inversely proportional to the abundance of the substance. In other words, a high reflectance means that the quality is deteriorated.
- the reflectance at a wavelength of 600 to 700 nm is lower than the other two harvest ripenesses. Therefore, for example, if the reflectance average value at a wavelength of 600 to 700 nm is less than 0.3, it is possible to construct an estimation algorithm for estimating the harvest maturity as immature.
- FIG. 3 shows the reflectance shown in FIG. 2 obtained by taking a difference from the reflectance of the previous wavelength.
- the difference value is larger when the harvest ripeness is more suitable than when the harvest ripeness is ripe. Therefore, for example, if the sum of the reflectance differences at wavelengths of 685 to 715 nm is 0.1 or more, the harvesting maturity is estimated to be appropriate, and if it is less than 0.1, the estimation algorithm is assumed to complete the harvesting ripeness Can be built.
- harvest-time ripeness correspondence information indicating a correspondence relationship between optical data values and harvest-time ripeness is generated and stored in the harvest-time ripeness correspondence information storage unit 22.
- FIG. 4 shows an example of harvest-time ripeness correspondence information based on the constructed estimation algorithm.
- the data format of the harvest-time ripeness correspondence information may be any format as long as it can indicate the correspondence between the optical data value and the harvest-time ripeness.
- the harvest-time ripeness correspondence information may be information in a table format as shown in FIG. 4, or may be embedded in a program for estimating harvest-time ripeness.
- the above-described estimation algorithm is an example, and any algorithm that can distinguish the maturity at the time of harvest according to the value of optical data can be adopted.
- the flatness of the reflectance in the wavelength region of 600 to 700 nm it is conceivable to evaluate the flatness of the reflectance in the wavelength region of 600 to 700 nm.
- the degree of change in reflectance in the wavelength region is calculated by obtaining a differential value or a difference value from the previous wavelength, and the flatness is evaluated from the degree of change. May be.
- a secondary differential value before and after the wavelength range of 685 to 715 nm is calculated. Is also possible.
- FIGS. 2 and 3 are examples of data obtained from a certain individual.
- an estimation algorithm optical data of a large number of individuals is acquired, and optical data and output are input.
- An estimation algorithm may be constructed by learning a discriminator such as SVM (Support Vector Machine) or GLVQ (Generalized Learning Vector Quantization) with the maturity at harvest.
- the optical data acquisition unit 20 acquires optical data of a large number of individuals, constructs an estimation algorithm based on the optical data, and generates harvest-time ripeness correspondence information generation unit. May be provided in the harvest-time ripeness estimation apparatus 10.
- the harvest time maturity estimation unit 24 includes the optical data acquired by the optical data acquisition unit 20 and the harvest time maturity correspondence information stored in the harvest maturity correspondence information storage unit 22. Based on the above, the harvest maturity is estimated.
- the harvest-time ripeness estimation unit 24 can store information indicating the estimation result in a memory or the like for use in subsequent processing.
- the harvest-time ripeness estimation unit 24 may display information indicating the estimation result on the monitor of the harvest-time ripeness estimation device 10, output it to another information processing device, or print it from a printer. Good.
- FIG. 5 is a flowchart showing an example of a process for estimating the harvest ripeness.
- the optical data acquisition unit 20 irradiates fruits and vegetables with light of a plurality of wavelengths in a wavelength region of 600 to 700 nm, for example, acquires the reflectance for the light of each wavelength, and stores it in a memory or the like (S501).
- the harvest-time ripeness estimation unit 24 calculates an average value of the reflectance in the wavelength region of 600 to 700 nm acquired by the optical data acquisition unit 20, and refers to the harvest-time ripeness correspondence information storage unit 22 for calculation. It is determined whether or not the average value obtained is 0.3 or more which is a reference value for determining whether or not it is immature (S502). If the calculated average value is less than 0.3 (S502: N), the harvest-time ripeness estimation unit 24 estimates the harvest-time ripeness as immature (S503).
- the harvest-time ripeness estimation unit 24 determines the difference value of the reflectance in the wavelength range of 685 to 715 nm acquired by the optical data acquisition unit 20. And the harvest-time ripeness correspondence information storage unit 22 is referred to, and it is determined whether or not the calculated sum is equal to or greater than 0.1, which is a reference value for determining whether it is appropriate or complete. (S504).
- the harvest-time ripeness estimation unit 24 estimates that the harvest-time ripeness is appropriate when the calculated sum is 0.1 or more (S504: Y) (S505), and if less than 0.1 ( S504: N) The maturity at harvest is estimated to be complete (S506).
- the harvest ripeness is one of the three types of immature, suitable ripeness, and complete ripeness has been described. However, in the case where the harvest ripeness is intermediate between them. It is also possible to make a more fuzzy system by fusing algorithms for estimating immaturity, suitable maturity, and ripeness. For example, it is also possible to represent the degree of belonging to three of immature, appropriate maturity, and complete ripeness with the likelihood index from the index based on the reflectance described above.
- the ripeness at harvest may be estimated assuming that the likelihood of ripeness is 0.6 and the likelihood of ripeness is 0.4. Good.
- the numerical value shown here is an example and it is possible to arbitrarily set the calculation standard of likelihood.
- the harvest maturity estimation apparatus 10 of the first embodiment has been described above. According to the harvest-time ripeness estimating apparatus 10 described above, it is possible to estimate the harvest-time ripeness of fruits and vegetables at a stage after the harvest time. This makes it possible to determine the quality transition model and predict the quality based on the estimated harvest maturity, as will be described later. In addition, for example, by using the estimated harvest maturity, it becomes possible to perform selection and branding of fruits and vegetables in the distribution stage.
- FIG. 6 is a diagram illustrating a configuration of a harvest-time ripeness estimation apparatus according to the second embodiment of the present invention.
- the harvest-time ripeness estimation apparatus 10A includes a quality transition model correspondence information storage unit 26 and a quality transition model determination unit 28 in addition to the configuration included in the harvest-time ripeness estimation apparatus 10 of the first embodiment. It is comprised including.
- each unit in the harvest-time ripeness estimation apparatus 10A can be realized, for example, by using a storage area such as a memory or a storage device, or by executing a program stored in the storage area. .
- symbol is provided and description is abbreviate
- the quality transition model correspondence information storage unit 26 stores quality transition model correspondence information indicating the correspondence relationship between the harvest degree of fruits and vegetables and the quality transition model.
- the quality transition model indicates the transition of quality with the passage of time from the harvest of fruits and vegetables.
- FIG. 7 shows an example of a quality transition model for each harvest degree of Irwin mango.
- the “reflectance” on the vertical axis is the sum of the reflectances at wavelengths of 675 nm to 685 nm shown in FIG.
- the horizontal axis of FIG. 7 is the number of days since harvesting.
- the quality transition model can be constructed for each harvest maturity based on the previous experimental results, similarly to the harvest maturity correspondence information.
- chlorophyll which is one indicator of plant quality
- chlorophyll is an enzyme that plays an important role in plant photosynthesis, and has a maximum absorption wavelength at 680 nm.
- the amount of chlorophyll decreases after plants are harvested, which is related to plant quality.
- the total reflectance of 675 nm to 685 nm around the maximum absorption wavelength of chlorophyll has a positive correlation with the decrease in the amount of chlorophyll. That is, in the graph of FIG. 7, the reflectance shown on the vertical axis is an index that is inversely proportional to the amount of chlorophyll.
- the final elapsed days differ depending on the ripeness at the time of harvest. This is because the number of days that are generally eaten is shown as the final day, and the optical data is aggregated beyond this number of days. For example, a longer-term quality transition model can be constructed.
- the reflectance total of wavelengths of 675 nm to 685 nm is shown, but the index indicating quality is not limited to this, and any index can be used.
- ripening citrus fruits such as mango and apple secrete wax during the ripening process
- the amount of wax can be used as an indicator of how much ripening has progressed. Therefore, for example, a reflectance sum of wavelengths of 800 nm to 900 nm indicating the amount of wax secretion characteristic of ripening citrus fruits may be used.
- a quality index P that is a combination of a plurality of quality indices may be used.
- the quality index indicated by the quality transition model is not limited to that based on optical data, but may be any index indicating quality transition of fruits and vegetables.
- the quality transition model correspondence information storage unit 26 stores the quality transition model correspondence information indicating the correspondence between the quality transition model constructed as described above and the harvest ripeness.
- the data format of the quality transition model correspondence information may be any format as long as the correspondence relationship between the quality transition model and the ripeness at harvest can be shown.
- the quality transition model correspondence information can be information in which the value of the graph shown in FIG. 7 is associated with the harvest ripeness.
- the quality transition model determination unit 28 uses the harvest time maturity estimated by the harvest time maturity estimation unit 24 and the quality transition model correspondence information stored in the quality transition model correspondence information storage unit 26. Based on this, a quality transition model indicating the quality transition of the fruits and vegetables is determined.
- the quality transition model determination unit 28 can store information indicating the determined quality transition model in a memory or the like for use in subsequent processing. Further, the quality transition model determination unit 28 displays information indicating the determined quality transition model on the monitor of the harvest-time ripeness estimation apparatus 10A, outputs it to another information processing apparatus, or prints it from a printer. It is good.
- FIG. 8 is a flowchart showing an example of processing for determining a quality transition model.
- the quality transition model determination unit 28 determines a quality transition model corresponding to the estimated harvest ripeness by referring to the quality transition model correspondence information storage unit 26 (S802).
- the quality transition model determined in FIG. when the intermediate harvest time maturity of immature, appropriate ripe, and complete ripe is estimated by using the likelihood, the quality transition model determined in FIG. Also, a plurality of quality transition models can be merged. For example, when the immature likelihood is ⁇ and the appropriate maturity likelihood is 1- ⁇ , the quality transition model determination unit 28 determines the ratio between ⁇ and 1- ⁇ as an immature quality transition model and an appropriate ripe quality transition model. It is possible to generate a quality transition model fused with
- the harvest maturity estimation apparatus 10A of the second embodiment has been described above. According to such harvest time ripeness estimation apparatus 10A, it is possible to determine a quality transition model based on the estimated harvest ripeness at a stage after harvest time. As a result, as will be described later, it is possible to predict future quality based on the determined quality transition model, and to select and brand fruits and vegetables in the distribution stage by using the determined quality transition model. Become.
- FIG. 9 is a diagram illustrating a configuration of a harvest-time ripeness estimation apparatus according to the third embodiment of the present invention.
- the harvest-time ripeness estimation apparatus 10 ⁇ / b> B includes a quality prediction unit 30 in addition to the configuration included in the harvest-time ripeness estimation apparatus 10 ⁇ / b> A of the second embodiment.
- each unit in the harvest-time ripeness estimation apparatus 10B can be realized, for example, by using a storage area such as a memory or a storage device, or by executing a program stored in the storage area. .
- symbol is provided and description is abbreviate
- the quality prediction unit 30 predicts the future quality of fruits and vegetables based on the optical data acquired by the optical data acquisition unit 20 and the quality transition model determined by the quality transition model determination unit 28.
- the quality here may be any of, for example, the amount of chlorophyll as described in the second embodiment, the maximum reflection wavelength of a substance suggesting sugar content, or a combination of a plurality of quality indexes.
- the quality prediction unit 30 determines the optical data acquired by the optical data acquisition unit 20 and the quality transition model determination. Based on the quality transition model determined by the unit 28, the number of days until the quality falls below a predetermined reference level, that is, the lifespan of the fruits and vegetables can be predicted.
- the quality prediction unit 30 includes the optical data acquired by the optical data acquisition unit 20 and the quality transition. Based on the quality transition model determined by the model determination unit 28, it is possible to predict the number of days until the quality exceeds a predetermined reference level, that is, the number of days until the fruits and vegetables are ready to eat.
- the quality prediction unit 30 can store information indicating the predicted quality in a memory or the like for use in subsequent processing.
- the quality prediction unit 30 may display information indicating the predicted quality on the monitor of the harvest-time ripeness estimation apparatus 10B, output the information to another information processing apparatus, or print it from a printer.
- FIG. 10 is an example in which the values of the total reflectance of the fruits and vegetables at wavelengths of 675 nm to 685 nm are plotted on the graph shown in FIG.
- the present value of the total reflectance of the fruits and vegetables at wavelengths of 675 nm to 685 nm is 0.4.
- the number of days until the life varies depending on the quality transition model, that is, the harvest maturity.
- the ripeness at harvest is estimated to be immature, and a quality transition model corresponding to this ripeness at harvest is determined.
- the quality predicting unit 30 can predict that the lifespan of the fruits and vegetables is another 2 days.
- the wavelength region is not limited to this.
- the optical data that is the basis for the quality index in quality prediction and the optical data that is the basis for estimating the harvest ripeness may be in the same wavelength band or different wavelength bands. It may be.
- the timing at which the optical data used for quality prediction is acquired may be the same as or different from the timing at which the optical data used for estimation of harvest ripeness is acquired. Also good.
- FIG. 11 is a flowchart showing an example of processing for predicting the future quality of fruits and vegetables.
- the harvest maturity is estimated by the process shown in FIG. 5 (S1101)
- the quality transition model is determined by the process shown in FIG. 8 (S1102).
- the quality prediction unit 30 acquires the reflectance of light having a wavelength corresponding to the quality transition model determined by the quality transition model determination unit 28 from the reflectances acquired by the optical data acquisition unit 20 (S1103). . Then, the quality prediction unit 30 predicts future quality such as the number of days until the lifetime based on the acquired reflectance and the determined quality transition model (S1104).
- the quality prediction unit 30 can also predict future quality using a quality transition model that considers likelihood.
- the harvest maturity estimation device 10B of the third embodiment has been described above. According to such a harvest-time ripeness estimation apparatus 10B, the harvest-time ripeness is estimated at a later stage than the harvest time, and the future quality of the fruits and vegetables is predicted using a quality transition model corresponding to the harvest-time ripeness. It becomes possible to do. Further, as shown in the present embodiment, it is easy to determine the usage of an individual to be evaluated by predicting the number of days until the quality index becomes a reference value, not the value of the quality index in the future.
- FIG. 12 is a diagram showing a configuration of a harvest-time ripeness estimation apparatus that is the fourth embodiment of the present invention.
- the harvest-time ripeness estimation apparatus 10C is configured to include a product type correspondence information storage unit 32 and a product type estimation unit 34 in addition to the configuration provided in the harvest-time ripeness estimation device 10B of the third embodiment.
- the harvest-time ripeness estimation apparatus 10C includes a harvest-time ripeness correspondence information storage unit 22, a harvest-time ripeness estimation unit 24, and a quality transition model correspondence information storage unit in the harvest-time ripeness estimation apparatus 10B of the third embodiment.
- each unit in the harvest-time ripeness estimation apparatus 10C can be realized, for example, by using a storage area such as a memory or a storage device, or by executing a program stored in the storage area. .
- a storage area such as a memory or a storage device
- a program stored in the storage area or by executing a program stored in the storage area.
- symbol is provided and description is abbreviate
- the product type correspondence information storage unit 32 stores product type correspondence information indicating the correspondence between the optical data values acquired by the optical data acquisition unit 20 and the types of fruits and vegetables.
- FIG. 13 shows an example of the reflectance at a certain point after harvesting of Irwin mango and Keats mango. As shown in FIG. 13, in a specific wavelength band, the reflectance characteristics vary depending on the type of mango. Therefore, based on such measurement results, as in the case of harvest ripeness correspondence information, variety correspondence information indicating the correspondence between optical data values and fruit and vegetable varieties is generated, and the variety correspondence information storage unit 32 can be stored.
- the optical data used here does not need to indicate the quality of fruits and vegetables, and may be image data obtained by imaging fruits and vegetables, for example.
- the variety estimation unit 34 can estimate the variety of fruits and vegetables based on the optical data acquired by the optical data acquisition unit 20 and the product type correspondence information stored in the product type correspondence information storage unit 32. For example, the variety estimation unit 34 can estimate the variety of fruits and vegetables based on the reflectance of light in a specific wavelength band, or can estimate the variety of fruits and vegetables based on the shape and color.
- optical data that is the basis of the variety estimation and the optical data that is the basis of the estimation of harvest ripeness and future quality prediction may be in the same wavelength band. However, they may be of different wavelength bands.
- the timing at which the optical data used in the estimation of the variety is acquired may be the same as the timing at which the optical data used in the estimation of harvest ripeness and future quality prediction is acquired. And may be different.
- the harvest-time ripeness correspondence information storage unit 22A stores harvest-time ripeness correspondence information in association with varieties. Then, the harvest-time ripeness estimation unit 24A acquires the harvest-time ripeness correspondence information corresponding to the varieties estimated by the quality estimation unit 34 from the harvest-time ripeness correspondence information storage unit 22A, and harvest time in other embodiments. As in the case of the maturity estimation unit 24, the harvest maturity can be estimated.
- the quality transition model correspondence information storage unit 26A stores quality transition model correspondence information in association with the product type. Then, the quality transition model determination unit 28A acquires the quality transition model correspondence information corresponding to the product type estimated by the quality estimation unit 34 from the quality transition model correspondence information storage unit 26A, and the quality transition model determination unit in other embodiments. As in the case of 28, the quality transition model can be determined.
- FIG. 14 is a flowchart showing an example of a quality prediction process that takes into consideration the variety of fruits and vegetables.
- the product type estimation unit 34 acquires the reflectance of light having a wavelength corresponding to the product type correspondence information stored in the product type correspondence information storage unit 32 from the reflectances acquired by the optical data acquisition unit 20. (S1401).
- the kind estimation part 34 estimates the kind of fruit and vegetables based on the acquired reflectance and kind corresponding
- the harvest-time maturity estimation unit 24A estimates the harvest-time maturity by a process equivalent to the process shown in FIG. 5 in consideration of the estimated variety (S1403). Further, the quality transition model determination unit 28A determines a quality transition model by a process equivalent to the process shown in FIG. 8 in consideration of the estimated product type (S1404). Then, the quality prediction unit 30 predicts the future quality of the fruits and vegetables by a process equivalent to the process shown in FIG. 11 (S1405).
- the harvest maturity estimation device 10C of the fourth embodiment has been described above. According to such a harvest-time ripeness estimation apparatus 10C, it is possible to estimate the harvest-time ripeness in consideration of the varieties of fruits and vegetables at a stage after harvesting. In addition, it is possible to determine a quality transition model in consideration of the variety and to predict future quality.
- this embodiment is for making an understanding of this invention easy, and is not for limiting and interpreting this invention.
- the present invention can be changed / improved without departing from the spirit thereof, and the present invention includes equivalents thereof.
- the evaluation object has been described as fruits and vegetables.
- the present invention is not limited to fruits and vegetables, but can be applied to objects whose quality information has an important meaning as value, such as fresh fish, meat, and processed foods. it can.
- the 1st optical data which acquires the 1st optical data obtained by irradiating the light of the 1st wavelength with respect to this fruit and vegetables in the 1st time after the harvest time of fruit and vegetables
- Harvest maturity correspondence storing harvesting maturity correspondence information indicating a correspondence relationship between the acquisition unit and the value of the first optical data and the maturity of the fruits and vegetables with respect to the light of the first wavelength
- An information storage unit and a harvest-time maturity estimation unit that estimates the maturity at the time of harvest of the fruits and vegetables based on the acquired first optical data and the harvest-time ripeness correspondence information.
- Additional remark 2 It is a harvest time ripeness estimation apparatus of Additional remark 1, Comprising: Quality transition model corresponding information which memorize
- a harvest time ripeness estimation apparatus of Additional remark 2, Comprising: It obtains by irradiating the light of 2nd wavelength with respect to this fruit and vegetables in the 2nd time point after the time of the said fruit and vegetables harvesting.
- a second optical data acquisition unit that acquires second optical data indicating the quality of the fruits and vegetables, the determined quality transition model indicating a transition of the second optical data, and the acquired
- a harvest-time ripeness estimation apparatus further comprising: a quality prediction unit that predicts the quality of the fruits and vegetables at a time point after the second time point based on the second optical data.
- the said quality transition model shows the transition of the quality which deteriorates with progress of time
- the said quality prediction part is said acquisition
- a harvest-time ripeness estimation device that predicts the number of days until the quality of the harvested product becomes a reference level or less based on the second optical data thus determined and the determined quality transition model.
- the said quality transition model shows the transition of the quality which improves with progress of time
- the said quality prediction part is said acquisition
- a harvest-time ripeness estimation apparatus that predicts the number of days until the quality of the harvested product is equal to or higher than a reference level based on the determined second optical data and the determined quality transition model.
- the harvest-time ripeness estimation apparatus according to any one of supplementary notes 1 to 5, wherein the first optical data acquisition unit is configured to perform the first optical processing on the light having the first wavelength.
- a plurality of optical data for light of a plurality of wavelengths is acquired as the target data, and the harvest-time ripeness estimation unit corresponds to the value of the optical data for the light of the plurality of wavelengths and the ripeness at the time of harvest
- a harvest-time ripeness estimation device that estimates a harvest-time ripeness of the fruits and vegetables based on the harvest-time ripeness correspondence information indicating the relationship and the plurality of acquired optical data.
- a third optical data acquisition unit for acquiring third optical data obtained by irradiating light, a value of the third optical data for the light of the third wavelength, and a variety of the fruits and vegetables
- a product type correspondence information storage unit for storing product type correspondence information indicating the correspondence relationship between the product type, a product type estimation unit for estimating the product type of the fruits and vegetables based on the acquired third optical data and the product type correspondence information;
- the harvest-time ripeness information storage unit stores the harvest-time ripeness information in association with the varieties of the fruits and vegetables, and the harvest-time ripeness estimation unit stores the acquired first optical Data, the estimated varieties, and the harvest maturity information. Zui and estimates the maturity at harvest of the fruits or vegetables, at harvest ripeness estimator.
- the harvest-time ripeness estimation apparatus according to any one of supplementary notes 1 to 7, wherein the optical data is data indicating reflectance or transmittance of light irradiated to the fruits and vegetables.
- a harvest time maturity estimation device (Supplementary note 9) The computer acquires first optical data obtained by irradiating light of a first wavelength to the fruits and vegetables at a first time point after harvesting the fruits and vegetables, The harvest-time ripeness correspondence information indicating the correspondence between the value of the first optical data for the light of one wavelength and the ripeness at the time of harvest of the fruits and vegetables, and the acquired first optical data.
- a harvest-time maturity estimation method for estimating a harvest-time maturity of the fruits and vegetables based on the harvest.
- the harvest-time maturity estimation method according to any one of supplementary notes 9 to 14, wherein the computer performs a third evaluation on the fruits and vegetables at a third time point after the fruits and vegetables are harvested.
- 3rd optical data obtained by irradiating with the light of 3 wavelength is acquired, 3rd optical data of the acquired 3rd optical data and the light of the 3rd wavelength is obtained.
- the variety correspondence information indicating the correspondence between the value and the variety of the fruits and vegetables is estimated, the maturity information at harvest time associated with the variety of the fruits and vegetables, and the acquired A harvest-time ripeness estimation method for estimating a harvest-time ripeness of the fruits and vegetables based on first optical data and the estimated variety.
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Abstract
Description
図1は、本発明の第1の実施形態である収穫時熟度推定装置の構成を示す図である。収穫時熟度推定装置10は、青果物の収穫時における熟度、すなわち収穫時熟度を推定するための装置であり、例えば、ハンディターミナル等の携帯端末や、パーソナルコンピュータ、サーバなどの情報処理装置により実現される。図1に示すように、収穫時熟度推定装置10は、光学的データ取得部20、収穫時熟度対応情報記憶部22、及び収穫時熟度推定部24を含んで構成される。ここで、収穫時熟度推定装置10における各部は、例えば、メモリや記憶装置等の記憶領域を用いたり、記憶領域に格納されているプログラムをプロセッサが実行したりすることにより実現することができる。
図6は、本発明の第2の実施形態である収穫時熟度推定装置の構成を示す図である。図6に示すように、収穫時熟度推定装置10Aは、第1の実施形態の収穫時熟度推定装置10が備える構成に加え、品質遷移モデル対応情報記憶部26及び品質遷移モデル決定部28を含んで構成される。ここで、収穫時熟度推定装置10Aにおける各部は、例えば、メモリや記憶装置等の記憶領域を用いたり、記憶領域に格納されているプログラムをプロセッサが実行したりすることにより実現することができる。なお、第1の実施形態の収穫時熟度推定装置10と同一の構成については、同一の符号を付与して説明を省略する。
なお、C1、C2、C3はそれぞれ異なる品質指標、α、β、γは、各品質指標の重みづけを示す係数を示している。
図9は、本発明の第3の実施形態である収穫時熟度推定装置の構成を示す図である。図9に示すように、収穫時熟度推定装置10Bは、第2の実施形態の収穫時熟度推定装置10Aが備える構成に加え、品質予測部30を含んで構成される。ここで、収穫時熟度推定装置10Bにおける各部は、例えば、メモリや記憶装置等の記憶領域を用いたり、記憶領域に格納されているプログラムをプロセッサが実行したりすることにより実現することができる。なお、第2の実施形態の収穫時熟度推定装置10Aと同一の構成については、同一の符号を付与して説明を省略する。
図12は、本発明の第4の実施形態である収穫時熟度推定装置の構成を示す図である。図12に示すように、収穫時熟度推定装置10Cは、第3の実施形態の収穫時熟度推定装置10Bが備える構成に加え、品種対応情報記憶部32及び品種推定部34含んで構成される。なお、収穫時熟度推定装置10Cは、第3の実施形態の収穫時熟度推定装置10Bにおける収穫時熟度対応情報記憶部22、収穫時熟度推定部24、品質遷移モデル対応情報記憶部26、品質遷移モデル決定部28に品種を考慮する機能を加えた、収穫時熟度対応情報記憶部22A、収穫時熟度推定部24A、品質遷移モデル対応情報記憶部26A、品質遷移モデル決定部28Aを含んでいる。ここで、収穫時熟度推定装置10Cにおける各部は、例えば、メモリや記憶装置等の記憶領域を用いたり、記憶領域に格納されているプログラムをプロセッサが実行したりすることにより実現することができる。なお、第3の実施形態の収穫時熟度推定装置10Bと同一の構成については、同一の符号を付与して説明を省略する。
(付記1)青果物の収穫時より後の第1の時点において、該青果物に対して第1の波長の光を照射することにより得られる第1の光学的データを取得する第1の光学的データ取得部と、前記第1の波長の光に対する、第1の光学的データの値と前記青果物の収穫時の熟度との対応関係を示す収穫時熟度対応情報を記憶する収穫時熟度対応情報記憶部と、前記取得された第1の光学的データと、前記収穫時熟度対応情報とに基づいて、前記青果物の収穫時の熟度を推定する収穫時熟度推定部と、を備える収穫時熟度推定装置。
(付記2)付記1に記載の収穫時熟度推定装置であって、前記青果物の収穫時の熟度と品質遷移モデルとの対応関係を示す品質遷移モデル対応情報を記憶する品質遷移モデル対応情報記憶部と、前記推定された収穫時の熟度と、前記品質遷移モデル対応情報とに基づいて、前記青果物の品質遷移を示す品質遷移モデルを決定する品質遷移モデル決定部と、をさらに備える収穫時熟度推定装置。
(付記3)付記2に記載の収穫時熟度推定装置であって、前記青果物の収穫時より後の第2の時点において、該青果物に対して第2の波長の光を照射することにより得られる、該青果物の品質を示す第2の光学的データを取得する第2の光学的データ取得部と、第2の光学的データの遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記第2の時点より後の時点における前記青果物の品質を予測する品質予測部と、をさらに備える収穫時熟度推定装置。
(付記4)付記3に記載の収穫時熟度推定装置であって、前記品質遷移モデルは、時間の経過に連れて劣化する品質の遷移を示すものであり、前記品質予測部は、前記取得された第2の光学的データと、前記決定された品質遷移モデルとに基づいて、前記収穫物の品質が基準レベル以下となるまでの日数を予測する、収穫時熟度推定装置。
(付記5)付記3に記載の収穫時熟度推定装置であって、前記品質遷移モデルは、時間の経過に連れて向上する品質の遷移を示すものであり、前記品質予測部は、前記取得された第2の光学的データと、前記決定された品質遷移モデルとに基づいて、前記収穫物の品質が基準レベル以上となるまでの日数を予測する、収穫時熟度推定装置。
(付記6)付記1~5の何れか一項に記載の収穫時熟度推定装置であって、前記第1の光学的データ取得部は、前記第1の波長の光に対する前記第1の光学的データとして、複数の波長の光に対する複数の光学的データを取得し、前記収穫時熟度推定部は、前記複数の波長の光に対する光学的データの値と前記収穫時の熟度との対応関係を示す前記収穫時熟度対応情報と、前記取得された複数の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する、収穫時熟度推定装置。
(付記7)付記1~6の何れか一項に記載の収穫時熟度推定装置であって、前記青果物の収穫時より後の第3の時点において、該青果物に対して第3の波長の光を照射することにより得られる第3の光学的データを取得する第3の光学的データ取得部と、前記第3の波長の光に対する、第3の光学的データの値と前記青果物の品種との対応関係を示す品種対応情報を記憶する品種対応情報記憶部と、前記取得された第3の光学的データと、前記品種対応情報とに基づいて、前記青果物の品種を推定する品種推定部と、をさらに備え、前記収穫時熟度情報記憶部は、前記収穫時熟度情報を前記青果物の品種と対応づけて記憶し、前記収穫時熟度推定部は、前記取得された第1の光学的データと、前記推定された品種と、前記収穫時熟度情報とに基づいて、前記青果物の収穫時の熟度を推定する、収穫時熟度推定装置。
(付記8)付記1~7の何れか一項に記載の収穫時熟度推定装置であって、前記光学的データは、前記青果物に対して照射された光の反射率または透過率を示すデータである、収穫時熟度推定装置。
(付記9)コンピュータが、青果物の収穫時より後の第1の時点において、該青果物に対して第1の波長の光を照射することにより得られる第1の光学的データを取得し、前記第1の波長の光に対する、第1の光学的データの値と前記青果物の収穫時の熟度との対応関係を示す収穫時熟度対応情報と、前記取得された第1の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する、収穫時熟度推定方法。
(付記10)付記9に記載の収穫時熟度推定方法であって、前記コンピュータが、前記青果物の収穫時の熟度と品質遷移モデルとの対応関係を示す品質遷移モデル対応情報と、前記推定された収穫時の熟度とに基づいて、前記青果物の品質遷移を示す品質遷移モデルを決定する、収穫時熟度推定方法。
(付記11)付記10に記載の収穫時熟度推定方法であって、前記コンピュータが、前記青果物の収穫時より後の第2の時点において、該青果物に対して第2の波長の光を照射することにより得られる、該青果物の品質を示す第2の光学的データを取得し、第2の光学的データの遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記第2の時点より後の時点における前記青果物の品質を予測する、収穫時熟度推定方法。
(付記12)付記11に記載の収穫時熟度推定方法であって、前記コンピュータが、時間の経過に連れて劣化する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以下となるまでの日数を予測する、収穫時熟度推定方法。
(付記13)付記11に記載の収穫時熟度推定方法であって、前記コンピュータが、時間の経過に連れて向上する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以上となるまでの日数を予測する、収穫時熟度推定方法。
(付記14)付記9~13の何れか一項に記載の収穫時熟度推定方法であって、前記コンピュータが、前記第1の波長の光に対する前記第1の光学的データとして、複数の波長の光に対する複数の光学的データを取得し、前記複数の波長の光に対する光学的データの値と前記収穫時の熟度との対応関係を示す前記収穫時熟度対応情報と、前記取得された複数の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する、収穫時熟度推定方法。
(付記15)付記9~14の何れか一項に記載の収穫時熟度推定方法であって、前記コンピュータが、前記青果物の収穫時より後の第3の時点において、該青果物に対して第3の波長の光を照射することにより得られる第3の光学的データを取得し、前記取得された第3の光学的データと、前記第3の波長の光に対する、第3の光学的データの値と前記青果物の品種との対応関係を示す品種対応情報とに基づいて、前記青果物の品種を推定し、前記青果物の品種と対応づけらている前記収穫時熟度情報と、前記取得された第1の光学的データと、前記推定された品種とに基づいて、前記青果物の収穫時の熟度を推定する、収穫時熟度推定方法。
(付記16)付記9~15の何れか一項に記載の収穫時熟度推定方法であって、前記光学的データは、前記青果物に対して照射された光の反射率または透過率を示すデータである、収穫時熟度推定方法。
(付記17)コンピュータに、青果物の収穫時より後の第1の時点において、該青果物に対して第1の波長の光を照射することにより得られる第1の光学的データを取得する機能と、前記第1の波長の光に対する、第1の光学的データの値と前記青果物の収穫時の熟度との対応関係を示す収穫時熟度対応情報と、前記取得された第1の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する機能と、を実現させるためのプログラム。
(付記18)付記17に記載のプログラムであって、前記コンピュータに、前記推定された収穫時の熟度と、前記青果物の収穫時の熟度と品質遷移モデルとの対応関係を示す品質遷移モデル対応情報とに基づいて、前記青果物の品質遷移を示す品質遷移モデルを決定する機能を実現させるためのプログラム。
(付記19)付記18に記載のプログラムであって、前記コンピュータに、前記青果物の収穫時より後の第2の時点において、該青果物に対して第2の波長の光を照射することにより得られる、該青果物の品質を示す第2の光学的データを取得する機能と、第2の光学的データの遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記第2の時点より後の時点における前記青果物の品質を予測する機能と、を実現させるためのプログラム。
(付記20)付記19に記載のプログラムであって、前記コンピュータに、時間の経過に連れて劣化する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以下となるまでの日数を予測する機能を実現させるためのプログラム。
(付記21)付記19に記載のプログラムであって、前記コンピュータに、時間の経過に連れて向上する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以上となるまでの日数を予測する機能を実現させるためのプログラム。
(付記22)付記17~21の何れか一項に記載のプログラムであって、前記コンピュータに、前記第1の波長の光に対する前記第1の光学的データとして、複数の波長の光に対する複数の光学的データを取得する機能と、前記複数の波長の光に対する光学的データの値と前記収穫時の熟度との対応関係を示す前記収穫時熟度対応情報と、前記取得された複数の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する機能と、を実現させるためのプログラム。
(付記23)付記17~22の何れか一項に記載のプログラムであって、前記コンピュータに、前記青果物の収穫時より後の第3の時点において、該青果物に対して第3の波長の光を照射することにより得られる第3の光学的データを取得する機能と、前記取得された第3の光学的データと、前記第3の波長の光に対する、第3の光学的データの値と前記青果物の品種との対応関係を示す品種対応情報とに基づいて、前記青果物の品種を推定する機能と、前記青果物の品種と対応づけらている前記収穫時熟度情報と、前記取得された第1の光学的データと、前記推定された品種とに基づいて、前記青果物の収穫時の熟度を推定する機能と、を実現させるためのプログラム。
(付記24)付記17~23の何れか一項に記載のプログラムであって、前記光学的データは、前記青果物に対して照射された光の反射率または透過率を示すデータである、プログラム。
20 光学的データ取得部
22 収穫時熟度対応情報記憶部
24 収穫時熟度推定部
26 品質遷移モデル対応情報記憶部
28 品質遷移モデル決定部
30 品質予測部
32 品種対応情報記憶部
34 品種推定部
Claims (24)
- 青果物の収穫時より後の第1の時点において、該青果物に対して第1の波長の光を照射することにより得られる第1の光学的データを取得する第1の光学的データ取得部と、
前記第1の波長の光に対する、第1の光学的データの値と前記青果物の収穫時の熟度との対応関係を示す収穫時熟度対応情報を記憶する収穫時熟度対応情報記憶部と、
前記取得された第1の光学的データと、前記収穫時熟度対応情報とに基づいて、前記青果物の収穫時の熟度を推定する収穫時熟度推定部と、
を備える収穫時熟度推定装置。 - 請求項1に記載の収穫時熟度推定装置であって、
前記青果物の収穫時の熟度と品質遷移モデルとの対応関係を示す品質遷移モデル対応情報を記憶する品質遷移モデル対応情報記憶部と、
前記推定された収穫時の熟度と、前記品質遷移モデル対応情報とに基づいて、前記青果物の品質遷移を示す品質遷移モデルを決定する品質遷移モデル決定部と、
をさらに備える収穫時熟度推定装置。 - 請求項2に記載の収穫時熟度推定装置であって、
前記青果物の収穫時より後の第2の時点において、該青果物に対して第2の波長の光を照射することにより得られる、該青果物の品質を示す第2の光学的データを取得する第2の光学的データ取得部と、
第2の光学的データの遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記第2の時点より後の時点における前記青果物の品質を予測する品質予測部と、
をさらに備える収穫時熟度推定装置。 - 請求項3に記載の収穫時熟度推定装置であって、
前記品質遷移モデルは、時間の経過に連れて劣化する品質の遷移を示すものであり、
前記品質予測部は、前記取得された第2の光学的データと、前記決定された品質遷移モデルとに基づいて、前記収穫物の品質が基準レベル以下となるまでの日数を予測する、
収穫時熟度推定装置。 - 請求項3に記載の収穫時熟度推定装置であって、
前記品質遷移モデルは、時間の経過に連れて向上する品質の遷移を示すものであり、
前記品質予測部は、前記取得された第2の光学的データと、前記決定された品質遷移モデルとに基づいて、前記収穫物の品質が基準レベル以上となるまでの日数を予測する、
収穫時熟度推定装置。 - 請求項1~5の何れか一項に記載の収穫時熟度推定装置であって、
前記第1の光学的データ取得部は、前記第1の波長の光に対する前記第1の光学的データとして、複数の波長の光に対する複数の光学的データを取得し、
前記収穫時熟度推定部は、前記複数の波長の光に対する光学的データの値と前記収穫時の熟度との対応関係を示す前記収穫時熟度対応情報と、前記取得された複数の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する、
収穫時熟度推定装置。 - 請求項1~6の何れか一項に記載の収穫時熟度推定装置であって、
前記青果物の収穫時より後の第3の時点において、該青果物に対して第3の波長の光を照射することにより得られる第3の光学的データを取得する第3の光学的データ取得部と、
前記第3の波長の光に対する、第3の光学的データの値と前記青果物の品種との対応関係を示す品種対応情報を記憶する品種対応情報記憶部と、
前記取得された第3の光学的データと、前記品種対応情報とに基づいて、前記青果物の品種を推定する品種推定部と、
をさらに備え、
前記収穫時熟度情報記憶部は、前記収穫時熟度情報を前記青果物の品種と対応づけて記憶し、
前記収穫時熟度推定部は、前記取得された第1の光学的データと、前記推定された品種と、前記収穫時熟度情報とに基づいて、前記青果物の収穫時の熟度を推定する、
収穫時熟度推定装置。 - 請求項1~7の何れか一項に記載の収穫時熟度推定装置であって、
前記光学的データは、前記青果物に対して照射された光の反射率または透過率を示すデータである、
収穫時熟度推定装置。 - コンピュータが、
青果物の収穫時より後の第1の時点において、該青果物に対して第1の波長の光を照射することにより得られる第1の光学的データを取得し、
前記第1の波長の光に対する、第1の光学的データの値と前記青果物の収穫時の熟度との対応関係を示す収穫時熟度対応情報と、前記取得された第1の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する、
収穫時熟度推定方法。 - 請求項9に記載の収穫時熟度推定方法であって、
前記コンピュータが、
前記青果物の収穫時の熟度と品質遷移モデルとの対応関係を示す品質遷移モデル対応情報と、前記推定された収穫時の熟度とに基づいて、前記青果物の品質遷移を示す品質遷移モデルを決定する、
収穫時熟度推定方法。 - 請求項10に記載の収穫時熟度推定方法であって、
前記コンピュータが、
前記青果物の収穫時より後の第2の時点において、該青果物に対して第2の波長の光を照射することにより得られる、該青果物の品質を示す第2の光学的データを取得し、
第2の光学的データの遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記第2の時点より後の時点における前記青果物の品質を予測する、
収穫時熟度推定方法。 - 請求項11に記載の収穫時熟度推定方法であって、
前記コンピュータが、
時間の経過に連れて劣化する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以下となるまでの日数を予測する、
収穫時熟度推定方法。 - 請求項11に記載の収穫時熟度推定方法であって、
前記コンピュータが、
時間の経過に連れて向上する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以上となるまでの日数を予測する、
収穫時熟度推定方法。 - 請求項9~13の何れか一項に記載の収穫時熟度推定方法であって、
前記コンピュータが、
前記第1の波長の光に対する前記第1の光学的データとして、複数の波長の光に対する複数の光学的データを取得し、
前記複数の波長の光に対する光学的データの値と前記収穫時の熟度との対応関係を示す前記収穫時熟度対応情報と、前記取得された複数の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する、
収穫時熟度推定方法。 - 請求項9~14の何れか一項に記載の収穫時熟度推定方法であって、
前記コンピュータが、
前記青果物の収穫時より後の第3の時点において、該青果物に対して第3の波長の光を照射することにより得られる第3の光学的データを取得し、
前記取得された第3の光学的データと、前記第3の波長の光に対する、第3の光学的データの値と前記青果物の品種との対応関係を示す品種対応情報とに基づいて、前記青果物の品種を推定し、
前記青果物の品種と対応づけらている前記収穫時熟度情報と、前記取得された第1の光学的データと、前記推定された品種とに基づいて、前記青果物の収穫時の熟度を推定する、
収穫時熟度推定方法。 - 請求項9~15の何れか一項に記載の収穫時熟度推定方法であって、
前記光学的データは、前記青果物に対して照射された光の反射率または透過率を示すデータである、
収穫時熟度推定方法。 - コンピュータに、
青果物の収穫時より後の第1の時点において、該青果物に対して第1の波長の光を照射することにより得られる第1の光学的データを取得する機能と、
前記第1の波長の光に対する、第1の光学的データの値と前記青果物の収穫時の熟度との対応関係を示す収穫時熟度対応情報と、前記取得された第1の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する機能と、
を実現させるためのプログラム。 - 請求項17に記載のプログラムであって、
前記コンピュータに、
前記推定された収穫時の熟度と、前記青果物の収穫時の熟度と品質遷移モデルとの対応関係を示す品質遷移モデル対応情報とに基づいて、前記青果物の品質遷移を示す品質遷移モデルを決定する機能を実現させるためのプログラム。 - 請求項18に記載のプログラムであって、
前記コンピュータに、
前記青果物の収穫時より後の第2の時点において、該青果物に対して第2の波長の光を照射することにより得られる、該青果物の品質を示す第2の光学的データを取得する機能と、
第2の光学的データの遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記第2の時点より後の時点における前記青果物の品質を予測する機能と、
を実現させるためのプログラム。 - 請求項19に記載のプログラムであって、
前記コンピュータに、
時間の経過に連れて劣化する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以下となるまでの日数を予測する機能を実現させるためのプログラム。 - 請求項19に記載のプログラムであって、
前記コンピュータに、
時間の経過に連れて向上する品質の遷移を示す前記決定された品質遷移モデルと、前記取得された第2の光学的データとに基づいて、前記収穫物の品質が基準レベル以上となるまでの日数を予測する機能を実現させるためのプログラム。 - 請求項17~21の何れか一項に記載のプログラムであって、
前記コンピュータに、
前記第1の波長の光に対する前記第1の光学的データとして、複数の波長の光に対する複数の光学的データを取得する機能と、
前記複数の波長の光に対する光学的データの値と前記収穫時の熟度との対応関係を示す前記収穫時熟度対応情報と、前記取得された複数の光学的データとに基づいて、前記青果物の収穫時の熟度を推定する機能と、
を実現させるためのプログラム。 - 請求項17~22の何れか一項に記載のプログラムであって、
前記コンピュータに、
前記青果物の収穫時より後の第3の時点において、該青果物に対して第3の波長の光を照射することにより得られる第3の光学的データを取得する機能と、
前記取得された第3の光学的データと、前記第3の波長の光に対する、第3の光学的データの値と前記青果物の品種との対応関係を示す品種対応情報とに基づいて、前記青果物の品種を推定する機能と、
前記青果物の品種と対応づけらている前記収穫時熟度情報と、前記取得された第1の光学的データと、前記推定された品種とに基づいて、前記青果物の収穫時の熟度を推定する機能と、
を実現させるためのプログラム。 - 請求項17~23の何れか一項に記載のプログラムであって、
前記光学的データは、前記青果物に対して照射された光の反射率または透過率を示すデータである、
プログラム。
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JP2017003495A (ja) * | 2015-06-12 | 2017-01-05 | 株式会社リコー | 情報処理装置、情報処理プログラム、および情報処理システム |
JP2017527781A (ja) * | 2014-06-26 | 2017-09-21 | チェジュ ナショナル ユニバーシティー インダストリー−アカデミック コーポレーション ファウンデーション | Ft−irスペクトルデータの多変量統計分析を用いた果実の糖度及び酸度の予測方法 |
WO2018003506A1 (ja) * | 2016-06-30 | 2018-01-04 | サトーホールディングス株式会社 | 食べ頃算出方法、食べ頃算出システム、食べ頃算出プログラム及び記録媒体 |
JP2021014991A (ja) * | 2019-07-10 | 2021-02-12 | 国立研究開発法人農業・食品産業技術総合研究機構 | クロロフィル含有量の測定方法及び果実の熟度判定方法 |
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JP2017527781A (ja) * | 2014-06-26 | 2017-09-21 | チェジュ ナショナル ユニバーシティー インダストリー−アカデミック コーポレーション ファウンデーション | Ft−irスペクトルデータの多変量統計分析を用いた果実の糖度及び酸度の予測方法 |
JP2017003495A (ja) * | 2015-06-12 | 2017-01-05 | 株式会社リコー | 情報処理装置、情報処理プログラム、および情報処理システム |
WO2018003506A1 (ja) * | 2016-06-30 | 2018-01-04 | サトーホールディングス株式会社 | 食べ頃算出方法、食べ頃算出システム、食べ頃算出プログラム及び記録媒体 |
JPWO2018003506A1 (ja) * | 2016-06-30 | 2019-04-18 | サトーホールディングス株式会社 | 食べ頃算出方法、食べ頃算出システム、食べ頃算出プログラム及び記録媒体 |
JP2021014991A (ja) * | 2019-07-10 | 2021-02-12 | 国立研究開発法人農業・食品産業技術総合研究機構 | クロロフィル含有量の測定方法及び果実の熟度判定方法 |
JP7360649B2 (ja) | 2019-07-10 | 2023-10-13 | 国立研究開発法人農業・食品産業技術総合研究機構 | クロロフィル含有量の測定方法及び果実の熟度判定方法 |
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