Bruises in Strawberries - Spectral Cameras

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Materials and Methods Data Acquisition, Image Processing, and Analysis Apogee CCD Camera LCTF Bruise Application Hyperspectral Imaging Hyperspectral Image Cube 980nm (14-bit) Pixel Masking R G B Development Set Randomization Validation Set Spectral Profile Extraction Statistical Analysis Wavelength Selection I Flat Field Correction norm( x, y) = I I sample( x, y) reference( x, y) − − I I dark( x, y) dark( x, y) ⋅ m Masateru Nagata, Jasper Tallada, Taiichi Kobayashi, University of Miyazaki
Results and Discussion VIS-NIR Spectral Images Orig. color 675 nm 750 nm 800 nm 900 nm 980 nm 50-60% Ripe 70-80% Ripe Full- Ripe Strawberry samples images at 50-60% ripe, 70-80% ripe and Full-ripe maturity levels in color and in monochrome at 675, 750, 800, 900, and 980 nm. Masateru Nagata, Jasper Tallada, Taiichi Kobayashi, University of Miyazaki
Page 1 and 2: Bruise Detection Using NIR Hyperspe
Page 3 and 4: Introduction External Quality Size
Page 5 and 6: Materials and Methods Strawberry Sa
Page 7: Materials and Methods Application o
Page 11 and 12: Results and Discussion Visual Obser
Page 13 and 14: Results and Discussion Classificati
Page 15 and 16: Results and Discussion Detected Bru
Page 17: Bruise Detection Using NIR Hyperspe

Bruises in Strawberries - Spectral Cameras

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