JP2017083425A5 - - Google Patents
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- JP2017083425A5 JP2017083425A5 JP2016141786A JP2016141786A JP2017083425A5 JP 2017083425 A5 JP2017083425 A5 JP 2017083425A5 JP 2016141786 A JP2016141786 A JP 2016141786A JP 2016141786 A JP2016141786 A JP 2016141786A JP 2017083425 A5 JP2017083425 A5 JP 2017083425A5
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- content evaluation
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- moisture content
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000011156 evaluation Methods 0.000 claims description 18
- 230000003287 optical Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 5
Description
本発明は、光学走査により、水分に吸収され難い特性を有する第１波長の近赤外レーザ参照光を、植物の水分量算出対象部位を含む予め設定された照射範囲に向けて照射する第１光源と、前記光学走査により、水分に吸収され易い特性を有する第２波長の近赤外レーザ測定光を前記照射範囲に向けて照射する第２光源と、前記照射範囲の各照射位置において反射された前記近赤外レーザ参照光の反射光と前記照射範囲の各照射位置において反射された前記近赤外レーザ測定光の反射光とを基に、前記植物の水分量算出対象部位における水分量を算出する水分量算出部と、を備える、植物水分量評価装置である。 According to the first aspect of the present invention, a first wavelength near-infrared laser reference light having a characteristic that is difficult to be absorbed by moisture is irradiated by optical scanning toward a preset irradiation range including a plant moisture amount calculation target portion . Reflected at each irradiation position of the light source, a second light source that irradiates the near-infrared laser measurement light having the second wavelength, which is easily absorbed by moisture, toward the irradiation range by the optical scanning, and the irradiation range. Based on the reflected light of the near-infrared laser reference light and the reflected light of the near-infrared laser measurement light reflected at each irradiation position in the irradiation range, the moisture content in the plant moisture content calculation target site is calculated. It is a plant moisture content evaluation apparatus provided with the moisture content calculation part to calculate.
また、本発明は、植物水分量評価装置における植物水分量評価方法であって、第１光源が、光学走査により、水分に吸収され難い特性を有する第１波長の近赤外レーザ参照光を植物の水分量算出対象部位を含む予め設定された照射範囲に向けて照射し、第２光源が、前記光学走査により、水分に吸収され易い特性を有する第２波長の近赤外レーザ測定光を前記照射範囲に向けて照射し、前記照射範囲の各照射位置において反射された前記近赤外レーザ参照光の反射光と前記照射範囲の各照射位置において反射された前記近赤外レーザ測定光の反射光とを基に、前記植物の水分量算出対象部位における水分量を算出する、植物水分量評価方法である。 The present invention is also a plant moisture content evaluation method in a plant moisture content evaluation apparatus, wherein the first light source emits near-infrared laser reference light having a first wavelength having characteristics that are difficult to be absorbed by moisture by optical scanning. the water content calculated irradiated toward the predetermined irradiation range including the target site, the second light source, wherein the optical scanning, the near-infrared laser measuring light of the second wavelength having a prone properties is absorbed in water Reflection of the near-infrared laser reference light that is irradiated toward the irradiation range and reflected at each irradiation position in the irradiation range , and reflection of the near-infrared laser measurement light reflected at each irradiation position in the irradiation range It is a plant water content evaluation method which calculates the water content in the plant water content calculation target part based on light.
Claims (7)
前記光学走査により、水分に吸収され易い特性を有する第２波長の近赤外レーザ測定光を前記照射範囲に向けて照射する第２光源と、
前記照射範囲の各照射位置において反射された前記近赤外レーザ参照光の反射光と前記照射範囲の各照射位置において反射された前記近赤外レーザ測定光の反射光とを基に、前記植物の水分量算出対象部位における水分量を算出する水分量算出部と、を備える、
植物水分量評価装置。 The optical scanning, a first light source that irradiates near infrared laser reference beam of the first wavelength having a hard property to be absorbed in water, towards a preset irradiation range including moisture value computation portion of the plant,
A second light source that irradiates near-infrared laser measurement light of a second wavelength having characteristics that are easily absorbed by moisture by the optical scanning toward the irradiation range ;
Based on said near-infrared laser measuring light of the reflected light reflected at each irradiation position of the irradiation range and the reflected light of the reflected near-infrared laser reference beam at each irradiation position of the irradiation range, the plant A water amount calculation unit that calculates the amount of water in the water content calculation target part of
Plant moisture content evaluation device.
前記水分量の閾値を保持する閾値保持部、を更に備え、
前記水分量算出部は、前記各照射位置の水分量をそれぞれ算出するとともに、算出した前記各照射位置の水分量のうち前記閾値以上となる照射位置の水分量を加算する、
植物水分量評価装置。 It is a plant water content evaluation apparatus according to claim 1,
Threshold storage unit storing a threshold value of the moisture content, further comprising a
The water amount calculation unit, the calculates the moisture content of each irradiation position, respectively, adds the water content of irradiation morphism position the threshold above preparative ing out of the calculated the amount of water each irradiation position,
Plant moisture content evaluation device.
前記植物の可視光画像を取得する取得部と、
前記植物の可視光画像を用いて、前記閾値を算出する閾値算出部と、を更に備える、
植物水分量評価装置。 The plant water content evaluation apparatus according to claim 2,
An acquisition unit for acquiring a visible light image of the plant;
A threshold value calculation unit that calculates the threshold value using a visible light image of the plant;
Plant moisture content evaluation device.
前記照射範囲の非可視光画像を出力する出力部、を更に備える、
植物水分量評価装置。 It is a plant moisture content evaluation apparatus as described in any one of Claims 1-3,
An output unit that outputs a non-visible light image of the irradiation range ;
Plant moisture content evaluation device.
前記出力部は、前記非可視光画像を、前記水分量算出部によって算出される前記各照射位置の水分量に応じて、段階的に識別可能に表示する、
植物水分量評価装置。 The plant water content evaluation apparatus according to claim 4 ,
Before Symbol output unit, the non-visible light image, depending on the water content of the respective irradiation positions issued calculated by the water content calculation unit, stepwise identifiably display,
Plant moisture content evaluation device.
前記各照射位置は、前記非可視光画像における所定数の画素に対応する、
植物水分量評価装置。 The plant water content evaluation apparatus according to claim 4 or 5,
Each of the irradiation positions corresponds to a predetermined number of pixels in the invisible light image.
Plant moisture content evaluation device.
第１光源が、光学走査により、水分に吸収され難い特性を有する第１波長の近赤外レーザ参照光を植物の水分量算出対象部位を含む予め設定された照射範囲に向けて照射し、
第２光源が、前記光学走査により、水分に吸収され易い特性を有する第２波長の近赤外レーザ測定光を前記照射範囲に向けて照射し、
前記照射範囲の各照射位置において反射された前記近赤外レーザ参照光の反射光と前記照射範囲の各照射位置において反射された前記近赤外レーザ測定光の反射光とを基に、前記植物の水分量算出対象部位における水分量を算出する、
植物水分量評価方法。 A plant water content evaluation method in a plant water content evaluation apparatus,
The first light source irradiates the first wavelength near-infrared laser reference light having a characteristic that is difficult to be absorbed by moisture toward the preset irradiation range including the moisture content calculation target part of the plant by optical scanning,
The second light source irradiates near-infrared laser measurement light having a second wavelength having characteristics that are easily absorbed by moisture by the optical scanning toward the irradiation range ,
Based on said near-infrared laser measuring light of the reflected light reflected at each irradiation position of the irradiation range and the reflected light of the reflected near-infrared laser reference beam at each irradiation position of the irradiation range, the plant Calculating the amount of water in the target region for calculating the amount of water,
Plant moisture content evaluation method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016141786A JP6653451B2 (en) | 2016-07-19 | 2016-07-19 | Plant water content evaluation device and plant water content evaluation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016141786A JP6653451B2 (en) | 2016-07-19 | 2016-07-19 | Plant water content evaluation device and plant water content evaluation method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015209231A Division JP5984072B1 (en) | 2015-10-23 | 2015-10-23 | Plant moisture content evaluation apparatus and plant moisture content assessment method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017083425A JP2017083425A (en) | 2017-05-18 |
| JP2017083425A5 true JP2017083425A5 (en) | 2018-12-13 |
| JP6653451B2 JP6653451B2 (en) | 2020-02-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575570A (en) * | 2018-05-03 | 2018-09-28 | 苏州高新区建金建智能科技有限公司 | A kind of near infrared ray cultivating and growing research plant boxes assembly |
| JP7150640B2 (en) * | 2019-03-11 | 2022-10-11 | 株式会社神戸製鋼所 | Residual state determination method and residual state determination device |
| WO2021053895A1 (en) * | 2019-09-17 | 2021-03-25 | パナソニックＩｐマネジメント株式会社 | Moisture detection device |
| CN111524092B (en) * | 2020-03-16 | 2024-03-12 | 中国农业科学院茶叶研究所 | Nondestructive testing method for black tea withering degree index |
| CN116309560B (en) * | 2023-05-17 | 2023-08-08 | 北京师范大学 | Method and system for detecting moisture distribution of plant catheter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH03176645A (en) * | 1989-12-06 | 1991-07-31 | Mitsubishi Heavy Ind Ltd | Component measuring instrument of food |
| JPH03221843A (en) * | 1990-01-26 | 1991-09-30 | Hamamatsu Photonics Kk | Analyzer by light |
| JPH07243966A (en) * | 1994-03-08 | 1995-09-19 | Japan Tobacco Inc | Moisture monitoring method via infrared ray and device therefor |
| US20060290933A1 (en) * | 2005-06-27 | 2006-12-28 | Paige Holm | System and method for monitoring plant conditions |
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