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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: IEEE Trans Med Imaging. 2012 Mar 6;31(7):1461–1471. doi: 10.1109/TMI.2012.2190088

Fig. 7.

Fig. 7

Sphere phantom: Tilts - Images of the sphere phantom as a function of the number of oblique tilt angles used in DIRECT-RAMLA. (Top) Images are shown at 20% image roughness for the 430-ps timing resolution data for (from left to right) 7, 5, 3, and 1 tilt angles. (Bottom) Images are shown for the 700-ps (degraded) timing resolution data.