References
- Cavaco, A. M., P. Pinto, M. D. Antunes, J. M. Silva and R. Guerra. 2009. 'Rocha' pear firmness predicted by a Vis/NIR segmented model. Postharvest Biology and Technology 51: 311-319. https://doi.org/10.1016/j.postharvbio.2008.08.013
- Cayuela, J. A. 2008. Vis/NIR soluble solids prediction in intact oranges (Citrus sinensis L.) cv. Valencia Late by reflectance. Postharvest Biology and Technology 47:75-80. https://doi.org/10.1016/j.postharvbio.2007.06.005
- Cho, H. S., S. H. Noh, I. G. Hwang and H. Y. Lee. 2000. Measurement of apple firmness by VIS/NIR transmittance. Proceedings of the 2000 Winter Conference, Korean Society for Agricultural Machinery:164-469. (In Korean)
- Choi, C. H., K. J. Lee and B. S. Park. 1997. Prediction of soluble solid and firmness in apple by visible/near-infrared spectroscopy. Journal of Korean Society for Agricultural Machinery 22(2):256-265. (In Korean)
- Gomez, A. H., Y. He and A. G. Pereira. 2006. Nondestructive measurement of acidity, soluble solids and firmness of satsuma mandarin using Vis/NIR-spectroscopy techniques. Journal of Food Engineering 77:313-319. https://doi.org/10.1016/j.jfoodeng.2005.06.036
- Gonzalez, R.C., R.E. Woods and S. L. Eddins. 2004. Digital image processing using Matlab. Pearson Education Inc., New Jersey, USA.
- Lee, K. J., K. H. Choi, B. S. Park and Y. K. Cho. 1998. Firmness measurement of apples by NIR spectroscopy. Proceedings of the 1998 Winter Conference, Korean Society for Agricultural Machinery:357-362. (In Korean)
- Lu, R. 2004. Multispectral imaging for predicting firmness and soluble solids content of apple fruit. Postharvest Biology and Technology 31:147-157. https://doi.org/10.1016/j.postharvbio.2003.08.006
- Moghimi, A., M. H. Aghkhani, A. Sazgarnia and M. Sarmad. 2010. Vis/NIR spectroscopy and chemometrics for the prediction of soluble solids content and acidity (pH) of kiwifruit. Biosystems Engineering 106:295-302. https://doi.org/10.1016/j.biosystemseng.2010.04.002
- Noh, H. K., Y. Peng and R. Lu. 2007. Integration of hyperspectral reflectance and fluorescence imaging for assessing apple maturity. Transactions of the ASABE 50(3):963-971. https://doi.org/10.13031/2013.23119
- Noh, S. H., W. G. Kim and J. W. Lee. 1997. Nondestructive measurement of sugar, acid contents in fruits using spectral reflectance. Journal of Korean Society for Agricultural Machinery 22(2):247-255. (In Korean)
- Penchaiya, P., E. Bobelyn, B. E. Verlinden, B. M. Nicolai and W. Saeys. 2009. Non-destructive measurement of firmness and soluble solids content in bell peppper using NIR spectroscopy. Journal of Food Engineering 94:267-273. https://doi.org/10.1016/j.jfoodeng.2009.03.018
- Qin, J., and R. Lu. 2006. Measurement of the optical properties of apples using hyperspectral diffuse reflectance imaging. ASABE paper No. 063037.
- Qing, Z., B. Ji, and M. Zude. 2007. Predicting soluble solid content and firmness in apple fruit by means of laser light backscattering image analysis. Journal of Food Engineering 82:58-67. https://doi.org/10.1016/j.jfoodeng.2007.01.016
- Son, J. R., K. J. Lee, S. W. Kang and Y. W. Seo. 2007. Quality evaluation of sugar contents for grapes using NIR spectroscopy. Proceedings of the 2007 Summer Conference, Korean Society for Agricultural Machinery 12(2):151-154. (In Korean)
- Suh, S. R., K. H. Lee, S. H. Yu, S. N. Yoo and Y. S. Choi. 2011. Comparison of performance of measuring method of Vis/NIR spectroscopic spectrum to predict soluble solids content of 'Shingo' pear. Journal of Biosystems Engineering 36(2): 130-139. (In Korean) https://doi.org/10.5307/JBE.2011.36.2.130
- Valente, M., R. Leardi, G. Self, G. Luciano and J. P. Pain. 2009. Multivariate calibration of mango firmness using Vis/NIR spectroscopy and acoustic impulse method. Journal of Food Engineering 94:7-13. https://doi.org/10.1016/j.jfoodeng.2009.02.020