Beilstein J. Nanotechnol.2019,10, 2346–2356, doi:10.3762/bjnano.10.225
, China School of Physics, Beihang University, Beijing 100191, China 10.3762/bjnano.10.225 Abstract A novel method based on Bayesian compressed sensing is proposed to remove impulsenoise from atomic force microscopy (AFM) images. The image denoising problem is transformed into a compressed sensing
reconstructed separately in the proposed method, which will not reduce the quality of the reconstructed image. The denoising experiments are conducted to demonstrate that the proposed method can remove the impulsenoise from AFM images while preserving the details of the image. Compared with other methods, the
proposed method is robust and its performance is not influenced by the noise density in a certain range.
Keywords: atomic force microscopy (AFM); Bayesian compressed sensing; denoising; image processing; impulsenoise; Introduction
Atomic force microscopy (AFM) is a powerful tool in the fields of
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Figure 1:
The schematic of removing impulse noise from AFM images based on Bayesian compressed sensing.