Yi ZHENG, Yao WANG, Yan LIU. Study on Classification and Recognition of Mountain Meadow Vegetation Based on Seasonal Characteristics of Hyperspectral Data[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1939
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 6, 1939 (2022)
Fig. 1. Location and typical vegetation composition in study area (Tianshan Mountains marked by black border in the map)
Fig. 2. Hyperspectral images of vegetation in different periods
(a): Green-up date; (b): Tillering stage; (c): Flowering phase; (d): Withering date
(a): Green-up date; (b): Tillering stage; (c): Flowering phase; (d): Withering date
Fig. 3. Comparison of spectral curves of dominant vegetation in different seasons before and after smooth denoising
Fig. 4. Comparison of spectral curves of dominant vegetation in four key growth periods
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Table 1. Modeling results of support vector machine by using hyperspectral data
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Table 2. Classification results and evaluations of multiple methods
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