(Isotropic/Anisotropic TV) min TV(u) s.t. Au = b (Isotropic/Anisotropic TV+) min TV(u) s.t. Au = b and u >= 0 (Isotropic/Anisotropic TVL2) min TV(u) + (&mu/2)||Au - b||22 (Isotropic/Anisotropic TVL2+) min TV(u) + (&mu/2)||Au - b||22 s.t. u >= 0where A is m by n with m less than n representing the measurement matrix, b is a dense vector representing the observation, and the solution u is supposed to be (approximately) sparse or piecewise linear. The data (A,b) can be real or complex, and the signal u can also be complex in cases of no nonnegativity constraint. Besides, A*A'=I is not required.
TVAL3 Copyright (C) 2009 Chengbo Li, Wotao Yin, and Yin Zhang