Ultra‐low‐dose CT image denoising using modified BM3D scheme tailored to data statistics
Medical Physics2018Vol. 46(1), pp. 190–198
Citations Over TimeTop 10% of 2018 papers
Abstract
This work tailors the Wiener filter in BM3D algorithm to data statistics and demonstrates statistically significant performance improvement on ultra-low-dose CT image denoising and a subsequent emphysema quantification task. Such performance gain is more pronounced with a lower dose level. The development and rationale are generally enough for other image denoising tasks when the WGN assumption is violated.
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