Meng-li LI, Yong YIN, Yun-xia YUAN, Xin LI, Xue-ru LIU. Feature Selection of 3D Fluorescence Data Based on Storage Room Gas and Preliminary Early Warning of Banana Spoilage[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 558
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 2, 558 (2021)
Fig. 1. Processing method flowchart
Fig. 2. Fluorescence spectrum before and after scatter removal and SG smoothing
(a): Before processing; (b): After processing
(a): Before processing; (b): After processing
Fig. 3. Emission spectrum at the fluorescence excitation wavelengths before and after preliminary filtering
(a): Before preliminary filtering; (b): After preliminary filtering
(a): Before preliminary filtering; (b): After preliminary filtering
Fig. 4. Emission spectrum feature bands of the two batches of banana
(a): The first batch; (b): The second batch
(a): The first batch; (b): The second batch
Fig. 5. Cluster analysis results of the two batches of banana
(a): The first batch; (b): The second batch
(a): The first batch; (b): The second batch
Fig. 6. PCA results of the two batches of banana
(a): The first batch; (b): The second batch
(a): The first batch; (b): The second batch
|
Table 1. pH value and relative conductivity of the first batch of banana
|
Table 2. pH value and relative conductivity of the second batch of banana
|
Table 3. Third-order Gaussian fitting result
|
Table 4. Excitation wavelengths sorted by Λ values of two batches of banana
|
Table 5. Excitation wavelengths sorted by Λ values of reselected Wilks of two batches of banana
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20