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. Author manuscript; available in PMC: 2013 Jan 18.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2011;2011:6188–6191. doi: 10.1109/IEMBS.2011.6091528

Fig. 2.

Fig. 2

a. Shows an x-z plane image from the 3-D DBT image stack for a clinical case. b. 23 × 23 Gaussian kernel used in the bilateral filter before modification. c. Modified Gaussian kernel with an angular constraint of 2θ corresponding to the angular range during projection view acquisition. d. x-z plane after application of the angular-constrained bilateral filter that shows a reduction in out-of-plane artifacts. Zoomed (1.5×) regions of interest before and after application of the filter are shown.