of Dissertation Presented to the Graduate School of the University of Florida in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy IRREGULAR-STRUCTURE TREE MODELS FOR IMAGE INTERPRETATION By Sinisa Todorovic May 2005 Chair: Dapeng Wu Major Department: Electrical and Computer Engineering In this dissertation, we seek to accomplish the following related goals: (1) to ...

This paper presents a survey of two techniques intended for improving the performance of conventional turbo codes (TCs). The first part of this work is dedicated to explore a hybrid concatenation structure combining both parallel and serial concatenation based on a threedimensional (3D) code. The 3D structure, recently introduced by Berrou et al., is able to ensure large asymptotic gains at ver...