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. Author manuscript; available in PMC: 2014 Apr 26.
Published in final edited form as: IEEE Trans Med Imaging. 2013 Jul 3;32(11):2034–2049. doi: 10.1109/TMI.2013.2271904

Fig. 3.

Fig. 3

Illustration of the sparse coefficients αL,L and αH,H obtained by the decomposition of LL patch xL,L and HH patch xH,H over dictionaries DL,L and DH,H with OMP algorithm. The positions of the nonzeros coefficients in αL,L and αH,H are identical while their values might be different.