Fig. 4 | Scientific Reports

Fig. 4

From: Quality prediction of air-cured cigar tobacco leaf using region-based neural networks combined with visible and near-infrared hyperspectral imaging

Fig. 4The alternative text for this image may have been generated using AI.

Error distribution histograms for the three models (a) moisture PLSR; (b) moisture CNN; (c) moisture DR-CNN; (d) chlorophyll PLSR; (e) chlorophyll CNN; (f) chlorophyll DR-CNN; (g) nitrogen PLSR; h) nitrogen CNN; (i) nitrogen DR-CNN; (j) sugar PLSR; (k) sugar CNN; (l) sugar DR-CNN.

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