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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2411.03114 |
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| _version_ | 1866912106030301184 |
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| author | Peters, Mads Svanborg Ahlebæk, Mads Juul Frandsen, Mads Toudal Jørgensen, Bjarke Jessen, Christian Hald Carlsen, Andreas Krogh Huang, Wei-Chih Eriksen, René Lynge |
| author_facet | Peters, Mads Svanborg Ahlebæk, Mads Juul Frandsen, Mads Toudal Jørgensen, Bjarke Jessen, Christian Hald Carlsen, Andreas Krogh Huang, Wei-Chih Eriksen, René Lynge |
| contents | In this paper, a recently developed snapshot hyperspectral imaging (HSI) system based on Computed Tomography Imaging Spectroscopy (CTIS) is utilized to determine Brix and pH values in Sheegene 20 table grapes through Partial Least Squares Regression (PLSR) modeling. The performance of the CTIS system is compared with that of a state-of-the-art line scan HSI system by imaging 100 grapes across both platforms. Reference measurements of Brix and pH values are obtained directly using a refractometer and a pH meter, as these parameters are essential for assessing the quality of table and wine grapes. The findings indicate that the spectra captured by the CTIS camera correlate well with the reference measurements, despite the system's narrower spectral range. The CTIS camera's advantages, including its lower cost, portability, and reduced susceptibility to motion errors, highlight its potential for promising in-field applications in grape quality assessment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_03114 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Investigating the Applicability of a Snapshot Computed Tomography Imaging Spectrometer for the Prediction of Brix and pH of Grapes Peters, Mads Svanborg Ahlebæk, Mads Juul Frandsen, Mads Toudal Jørgensen, Bjarke Jessen, Christian Hald Carlsen, Andreas Krogh Huang, Wei-Chih Eriksen, René Lynge Applied Physics Computer Vision and Pattern Recognition Optics In this paper, a recently developed snapshot hyperspectral imaging (HSI) system based on Computed Tomography Imaging Spectroscopy (CTIS) is utilized to determine Brix and pH values in Sheegene 20 table grapes through Partial Least Squares Regression (PLSR) modeling. The performance of the CTIS system is compared with that of a state-of-the-art line scan HSI system by imaging 100 grapes across both platforms. Reference measurements of Brix and pH values are obtained directly using a refractometer and a pH meter, as these parameters are essential for assessing the quality of table and wine grapes. The findings indicate that the spectra captured by the CTIS camera correlate well with the reference measurements, despite the system's narrower spectral range. The CTIS camera's advantages, including its lower cost, portability, and reduced susceptibility to motion errors, highlight its potential for promising in-field applications in grape quality assessment. |
| title | Investigating the Applicability of a Snapshot Computed Tomography Imaging Spectrometer for the Prediction of Brix and pH of Grapes |
| topic | Applied Physics Computer Vision and Pattern Recognition Optics |
| url | https://arxiv.org/abs/2411.03114 |