Research Article

An Unsupervised Algorithm for Change Detection in Hyperspectral Remote Sensing Data Using Synthetically Fused Images and Derivative Spectral Profiles

Figure 7

Spectral property comparison of fused images for detecting changed areas: (a) sample target of fused images , , and , (b) spectral profile of pixel values, and (c) spectral profile of the second-derivative pixel values (black line: , red dot line: , and blue dot line: ).
(a)
(b)
(c)