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. Author manuscript; available in PMC: 2009 Oct 1.

Published in final edited form as: J Struct Biol. 2008 Apr 22;164(1):7–17. doi: 10.1016/j.jsb.2008.04.006

Fig. 4 — Single-image (signal-to-noise ratio) SNR testing method using various denoising methods for the Bdellovibrio (shown as and ) and HIV-1 (shown as ) tomograms recorded at cryogenic and room temperatures, respectively. Abbreviations used are: WF-Wiener filter, DWTS-Discrete wavelet transform with soft thresholding, TIS-Translation invariant with soft thresholding, PM1 and PM2- Perona-Malik equations 1&2, CD-Complex Diffusion, PP-Phase preserving, WIC-Weickert's equation, BLF-Bilinear filter and BGB- BLS-GSM method.

Inline graphic — Single-image (signal-to-noise ratio) SNR testing method using various denoising methods for the Bdellovibrio (shown as and ) and HIV-1 (shown as ) tomograms recorded at cryogenic and room temperatures, respectively. Abbreviations used are: WF-Wiener filter, DWTS-Discrete wavelet transform with soft thresholding, TIS-Translation invariant with soft thresholding, PM1 and PM2- Perona-Malik equations 1&2, CD-Complex Diffusion, PP-Phase preserving, WIC-Weickert's equation, BLF-Bilinear filter and BGB- BLS-GSM method.