Journal: Frontiers in Plant Science

Article Title: A hyperspectral plant health monitoring system for space crop production

doi: 10.3389/fpls.2023.1133505

Figure Lengend Snippet: A compact and automated hyperspectral reflectance and fluorescence imaging system for plant health monitoring in a controlled-environment growth chamber.

Article Snippet: A compact line-scan hyperspectral camera (microHSI 410, Corning Specialty Materials, Keene, NH, USA) is used to measure light reflectance/fluorescence from the plant samples in the VNIR wavelength range (400–1000 nm).

Techniques: Fluorescence, Imaging

Journal: Frontiers in Plant Science

Article Title: A hyperspectral plant health monitoring system for space crop production

doi: 10.3389/fpls.2023.1133505

Figure Lengend Snippet: In-house developed LabVIEW software for system control and hyperspectral image acquisition from plant samples.

Article Snippet: A compact line-scan hyperspectral camera (microHSI 410, Corning Specialty Materials, Keene, NH, USA) is used to measure light reflectance/fluorescence from the plant samples in the VNIR wavelength range (400–1000 nm).

Techniques: Software, Control

Journal: Frontiers in Plant Science

Article Title: A hyperspectral plant health monitoring system for space crop production

doi: 10.3389/fpls.2023.1133505

Figure Lengend Snippet: Spectral calibration for the hyperspectral camera using (A) standard pencil calibration lamps (two spectral lines selected from each lamp) and (B) a linear regression model.

Article Snippet: A compact line-scan hyperspectral camera (microHSI 410, Corning Specialty Materials, Keene, NH, USA) is used to measure light reflectance/fluorescence from the plant samples in the VNIR wavelength range (400–1000 nm).

Techniques:

Journal: Frontiers in Plant Science

Article Title: A hyperspectral plant health monitoring system for space crop production

doi: 10.3389/fpls.2023.1133505

Figure Lengend Snippet: Spectral and spatial averaging and flat-field correction for hyperspectral reflectance image of a lettuce sample. (A) raw, (B) reduced, and (C) reflectance images at 815 nm, and (D) raw and (E) reflectance spectra of panel, lettuce, and soil.

Article Snippet: A compact line-scan hyperspectral camera (microHSI 410, Corning Specialty Materials, Keene, NH, USA) is used to measure light reflectance/fluorescence from the plant samples in the VNIR wavelength range (400–1000 nm).

Techniques:

Journal: Frontiers in Plant Science

Article Title: A hyperspectral plant health monitoring system for space crop production

doi: 10.3389/fpls.2023.1133505

Figure Lengend Snippet: Image registration for hyperspectral reflectance and fluorescence images of a lettuce sample: overlap of (A) original and (B) registered R815 and F732 images, (C) mask image generated using R559/R678, (D) registered and (G) masked R815 images, (E) registered and (H) masked F732 images, (F) registered and (I) masked pseudo RGB images, and (J) reflectance and (K) fluorescence spectra extracted from masked images.

Article Snippet: A compact line-scan hyperspectral camera (microHSI 410, Corning Specialty Materials, Keene, NH, USA) is used to measure light reflectance/fluorescence from the plant samples in the VNIR wavelength range (400–1000 nm).

Techniques: Fluorescence, Generated

Journal: Frontiers in Plant Science

Article Title: A hyperspectral plant health monitoring system for space crop production

doi: 10.3389/fpls.2023.1133505

Figure Lengend Snippet: Machine learning classification method for early detection of drought stress of lettuce using reflectance spectra extracted from hyperspectral images of the leaves: average-window R815 images on stress Days (A) 4 and (E) 7, confusion matrices for stress Days (B) 4 and (F) 7 and ROC curves for stress Days (C) 4 and (G) 7 using discriminant classifiers, (D) classification accuracies using seven optimized classifiers for stress Days 4 and 7, and (H) classification accuracies using discriminant classifiers for all nine stress days in the first two weeks.

Article Snippet: A compact line-scan hyperspectral camera (microHSI 410, Corning Specialty Materials, Keene, NH, USA) is used to measure light reflectance/fluorescence from the plant samples in the VNIR wavelength range (400–1000 nm).

Techniques: Biomarker Discovery

Journal: Sensors (Basel, Switzerland)

Article Title: Hyperspectral Imaging for the Nondestructive Quality Assessment of the Firmness of Nanguo Pears Under Different Freezing/Thawing Conditions

doi: 10.3390/s19143124

Figure Lengend Snippet: Hyperspectral imaging system.

Article Snippet: A line-scanning CCD hyperspectral camera (Zelos-258GV, Kappa optronics GmbH, Gleichen, Germany), a translation stage (PSA200-11-X, Zolix., Ltd, Beijing, China) and illumination units (four 35 W halogen tungsten lamps, HSIA-LS-TDIF, Zolix., Ltd, Beijing, China) were included in the HSI system [ ].

Techniques: Imaging

Journal: Sensors (Basel, Switzerland)

Article Title: Hyperspectral Imaging for the Nondestructive Quality Assessment of the Firmness of Nanguo Pears Under Different Freezing/Thawing Conditions

doi: 10.3390/s19143124

Figure Lengend Snippet: The hyperspectral curves of different pretreatment methods processed for different numbers of cycles: ( a ) MSC; ( b ) SNV; ( c ) S-G-MSC; and ( d ) S-G-SNV.

Article Snippet: A line-scanning CCD hyperspectral camera (Zelos-258GV, Kappa optronics GmbH, Gleichen, Germany), a translation stage (PSA200-11-X, Zolix., Ltd, Beijing, China) and illumination units (four 35 W halogen tungsten lamps, HSIA-LS-TDIF, Zolix., Ltd, Beijing, China) were included in the HSI system [ ].

Techniques:

Journal: Sensors (Basel, Switzerland)

Article Title: Hyperspectral Imaging for the Nondestructive Quality Assessment of the Firmness of Nanguo Pears Under Different Freezing/Thawing Conditions

doi: 10.3390/s19143124

Figure Lengend Snippet: Hyperspectral characteristic wavelength selection process based on the CARS algorithm pretreated by ( a ) MSC; ( b ) S-G-MSC; ( c ) S-G-SNV; and ( d ) SNV.

Article Snippet: A line-scanning CCD hyperspectral camera (Zelos-258GV, Kappa optronics GmbH, Gleichen, Germany), a translation stage (PSA200-11-X, Zolix., Ltd, Beijing, China) and illumination units (four 35 W halogen tungsten lamps, HSIA-LS-TDIF, Zolix., Ltd, Beijing, China) were included in the HSI system [ ].

Techniques: Selection