Zi-yong WU, Jin-bao JIANG, Jian-wei GUO, Xin-da WANG, Yang JI. Recognition of Underground Gas Micro-Leakage Points by Fusing Spectrum-Texture-Color Information[J]. Spectroscopy and Spectral Analysis, 2020, 40(10): 3123
- Spectroscopy and Spectral Analysis
- Vol. 40, Issue 10, 3123 (2020)
Fig. 1. Band Selection
Fig. 2. The spectrum, texture and color characteristics of winter wheat image in different periods
Fig. 3. (a) The original image; (b) The wheat under natural gas stress identified by LSSVM; (c) The bare soil; (d): The result of corrosion expansion operation; (e) The extracted stress boundary and the circle fitting boundary of stress region
Fig. 4. Recognition results
Fig. 5. Model Validation
Fig. 6. Green halo phenomenon
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Table 1. Relationship between stress days and stress radius
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