SEM images of complex and blurred nanostructures such as island-like,irregular gold particles and pits were explored using ImageJ software.The results show that the characterization and analysis of complex nanostructures such as island-like,irregular gold particles and pit structures in complex SEM pictures with fuzzy boundaries can be achieved by skillfully using various combinations of functions of ImageJ software and combining with Origin software.Three technical routes suitable for the analysis of complex nanostructures in SEM pictures are derived through exploration,and a characterization method for complex and boundary-ambiguous nanostructured SEM pictures is obtained.The method can provide a referable idea for the analysis of complex and boundary-ambiguous nanostructure SEM pictures.
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