Skip to main content
Fig. 2 | Advanced Structural and Chemical Imaging

Fig. 2

From: Feature extraction via similarity search: application to atom finding and denoising in electron and scanning probe microscopy imaging

Fig. 2

Choosing the appropriate number of SVD components to effectively denoise images. a Original atomically resolved image. Denoised images obtained by reconstruction using b 12, c 30, and d 256 SVD components. Magnitudes of the 2D FFTs of images reconstructed using e 12, f 30, and g 256 SVD components. h Variance of the SVD components showing the cut-offs for (red) 12, (green) 30, and (cyan) 256 SVD components as vertical lines. Removed noise, calculated as the difference between the original and denoised images, when reconstructing images using i 12, j 30, and k 256 SVD components. Magnitudes of the 2D FFTs of the removed noise when reconstructing images using l 12, m 30, and n 256 SVD components

Back to article page