Internal quality evaluation of fruit with soft X-ray transparent image
2005
Ogawa, Y.(Tohoku Univ, Sendai (Japan)) | Kondo, N. | Shibusawa, S.
In this study, soft X-ray imaging systems are examined as an evaluation method for the internal quality of fruits (peaches, pears, and apples). An imaging system using an X-ray generator, a fluorescent plate and monochrome CCD camera was used for acquiring transmission images of the fruits. As a result, split-pits and rotten cores of fruits were detected through the X-ray images in real-time. Furthermore, by using an X-ray generator with tunable output power, we determined that suitable parameters for the internal quality evaluation of apples were a voltage of 70 kV and a current of 3 mA. However, the discoloration disease of fruit fresh could not be clearly detected because the normal and abnormal flesh parts exhibited too little difference in water content.
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