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- W2129103626 abstract "Complex forest structure and abundant tree species in the moist tropical regions often cause difficulties in classifying vegetation classes with remotely sensed data. This paper explores improvement in vegetation classification accuracies through a comparative study of different image combinations based on the integration of Landsat Thematic Mapper (TM) and SPOT High Resolution Geometric (HRG) instrument data, as well as the combination of spectral signatures and textures. A maximum likelihood classifier was used to classify the different image combinations into thematic maps. This research indicated that data fusion based on HRG multispectral and panchromatic data slightly improved vegetation classification accuracies: a 3.1 to 4.6 percent increase in the kappa coefficient compared with the classification results based on original HRG or TM multispectral images. A combination of HRG spectral signatures and two textural images improved the kappa coefficient by 6.3 percent compared with pure HRG multispectral images. The textural images based on entropy or second-moment texture measures with a window size of 9 pixels × 9 pixels played an important role in improving vegetation classification accuracy. Overall, optical remote-sensing data are still insufficient for accurate vegetation classifications in the Amazon basin." @default.
- W2129103626 created "2016-06-24" @default.
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- W2129103626 date "2008-03-01" @default.
- W2129103626 modified "2023-10-18" @default.
- W2129103626 title "A Comparative Study of Landsat TM and SPOT HRG Images for Vegetation Classification in the Brazilian Amazon" @default.
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- W2129103626 doi "https://doi.org/10.14358/pers.74.3.311" @default.
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