... nodes, and 5 iterations for DIRECT. Computational times are, respectively, 30 and 40 seconds for GVF and the proposed method.7. CONCLUSIONWe have shown in this paper how array processing and op-timization ... “Subspace techniques for image understanding and computer vision,” Ph.D. dissertation, Stanford University,Stanford, Calif, USA, 1995.[7] H. K. Aghajan and T. Kailath, “Sensor array processing ... per row for some of therows and more than one pixel per column for some columns.Therefore, the principles of signal generation which are rele-vant for the retrieval of approximately linear...