XU Hanqiu. Image-based Normalization Technique Used for Landsat TM/ETM~+ Imagery[J]. Geomatics and Information Science of Wuhan University, 2007, 32(1): 62-66.
Citation: XU Hanqiu. Image-based Normalization Technique Used for Landsat TM/ETM~+ Imagery[J]. Geomatics and Information Science of Wuhan University, 2007, 32(1): 62-66.

Image-based Normalization Technique Used for Landsat TM/ETM~+ Imagery

  • The development of the image-based normalization technique used for Landsat Thematic Mapper/Enhanced Thematic Mapper Plus imagery is reviewed.The techniques perform radiometric calibration by converting the digital number of the Landsat imagery to at-satellite radiance and then to at-satellite reflectance using data normalization method.The validation case in this study shows that the illumination difference between the tested multitemporal Landsat TM images can be considerably reduced to one-third of that of the original DN-based image through the normalization technique.
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