在线评估草中的可溶性固体含量,使用开发的Vis/NIR光谱系统,使用悬挂式抓手
Yu Qiao1, Chen Wang2, Wenhui Zhu1
1School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
这项研究证明了Vis/NIRS在草中在线检测可溶性固体含量 (SSC). 深度学习,特别是1D-CNN-LSTM,实现了在运输过程中评估内部水果质量的卓越准确性.
科学领域:
- 农业工程 农业工程
- 食品科学 食品科学 食品科学
- 频谱学是一种光谱学.
背景情况:
- 在线检测内部草质量在准确性和效率方面面临挑战.
- 现有的方法在运输过程中与水果损坏和加工速度作斗争.
研究的目的:
- 探索可见/近红外光谱学 (Vis/NIRS) 的可行性,用于在草中在线检测可溶性固体含量 (SSC).
- 开发和优化一个光学传感系统,在悬挂运输过程中实时进行内部质量评估.
主要方法:
- 在草中SSC分布的分析.
- 使用部分最小平方回归 (PLSR) 开发具有优化配置的光学传感系统.
- 研究三种1D卷积神经网络 (1D-CNN) 模型,包括1D-CNN-LSTM,以提高预测.
主要成果:
- 采用SNV预处理和CARS特征选择的PLSR模型产生了良好的结果 (4.793的RPD).
- 1D-CNN-LSTM模型显著优于传统方法,实现了0.963的Rp2,0.209°Brix的RMSEP和5.332的RPD.
- 开发的系统证明了在线SSC检测的高精度.
结论:
- 视/NIRS技术,特别是当通过深度学习 (1D-CNN-LSTM) 增强时,对于在线检测草中的SSC非常有效.
- 这项研究提供了一种有希望的方法,用于对小型,微妙的水果进行非破坏性,实时的内部质量评估.
- 这项研究为水果供应链中的质量控制开辟了新的可能性.
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