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. Author manuscript; available in PMC: 2010 Mar 23.
Published in final edited form as: IEEE Trans Med Imaging. 1998 Dec;17(6):923–934. doi: 10.1109/42.746625

Fig. 2.

Fig. 2

(a) Directivity patterns of the received coded wavefronts associated with the kth (solid) and (k + 1)th (dash) receive lines; “○” and “*”: image directions for constructing the augmented G; “*”: image directions for filtering, (b) filtering block regions associated with receive image line k (solid) and k + 1 (dash); shaded area: the overlapping region, and (c) the weighting function for compounding two neighboring filtering block regions.