Extended source simulations. Units for the first and third columns are in dB. Linear scale is used for residual images (second column). a) CLEAN Image. b) CLEAN Residual image. c) CLEAN cross-section. d) Solution of CLS + MF. e) Residual image for CLS + MF. f) Cross-section for CLS + MF. g) Solution of CLS + MVDR. h) Residual image for CLS + MVDR. i) Cross-section for CLS image + MVDR. j) CPWLS image. k) CPWLS residual image. l) MVDR dirty image and CPWLS cross-section.