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首页> 外文期刊>Acta Horticulturae >Evaluation of photon migration and laser-induced backscattering in kiwifruit.
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Evaluation of photon migration and laser-induced backscattering in kiwifruit.

机译：评价猕猴桃中的光子迁移和激光诱导的反向散射。

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摘要

Kiwifruit (Actinidia deliciosa) of selected commercial grades and randomly selected pieces in the retail were analyzed. Laser diodes emitting at 670 nm targeting mainly the influence of chlorophyll absorption as well as the scattering, and 785 nm addressing the impact of fruit scattering properties on the photon migration in the fruit tissue were applied. Digital images of 768x576 pixel size were captured and processed. Intensity values of the backscattering area were corrected with Lambertian cosine law taking the elliptic shape into account. Twenty-three optical parameters were calculated from the logistic intensity gradients in radial directions and forwarded to statistical analysis. Discriminant analysis, with leave-one-out cross validation, resulted in 83.68% correct classification of commercial grades and 74.17% correct identification of bruised pieces.
机译：分析了选定商业等级的猕猴桃（ Actinidia deliciosa ）和零售中随机选择的猕猴桃。使用在670 nm处发射的激光二极管主要针对叶绿素吸收和散射的影响，并且使用785 nm来解决水果散射特性对水果组织中光子迁移的影响。捕获并处理了768x576像素大小的数字图像。通过考虑椭圆形状的朗伯余弦定律校正后向散射区域的强度值。根据径向的逻辑强度梯度计算了23个光学参数，并将其转发给统计分析。判别分析和留一法交叉验证得出正确的商品等级分类结果和正确的瘀伤碎块识别结果为74.17％。

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