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. Author manuscript; available in PMC: 2010 Dec 20.
Published in final edited form as: IEEE J Sel Top Signal Process. 2009 Feb 1;3(1):159–169. doi: 10.1109/JSTSP.2008.2011116

TABLE II.

Computational cost at the finest level

Method CPU time per iteration (sec)
Unconstrained 25.7
Jacobian penalty 81.1
Proposed method 27.4