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Real time ultrasound image denoising

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Academic year: 2021

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Fig. 1 Pixelwise NL-means filter (d = 1 and M = 8). The restored value at pixel x i (in red) is the weighted average of all intensity values of pixels x j in the search volume ∆ i
Fig. 2 Ultrasound image and corresponding mask. To reduce the computation time, only points belonging to the mask are denoised.
Fig. 3 Qualitative denoising results. A real intraoperative ultrasound was denoised with the three methods
Fig. 4 Results obtained with optimal set of parameters for ˜ Q.
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