关键词: 高分一号（GF-1）, Subtractive法, Brovey变换法, MHIS法, HCS法, Gram-Schmidt法

Abstract: The study chooses domestic GF-1 satellite 2 m full-color/8 m multi-spectral imagery, the remote sensing image fusion method for enhancing cultivated land information is studied. The fusion methods selected by the institute include Subtractive method, Brovey transformation method, MHIS method, HCS method and Gram-Schmidt. The method was used to evaluate the quality of the fusion image from subjective and objective aspects. Based on the fusion image, the enhancement of the cultivated land information in the study area was analyzed. When it comes to information on cultivated land, the MHIS method was the best fusion image.

Key words: GF-1, Subtractive method, Brovey method, MHIS method, HCS method, Gram-Schmidtmethod