Huang, Ting.Thesis (M.Phil.)--Chinese University of Hong Kong, 2008.Includes bibliographical references (p. 37-41).Abstracts in English and Chinese.Chapter 1 --- Introduction --- p.1Chapter 1.1 --- Related Area --- p.2Chapter 1.2 --- Previous Work --- p.4Chapter 1.3 --- Proposed Framework --- p.7Chapter 1.4 --- Overview --- p.8Chapter 2 --- Markov Random Fields and Optimization Schemes --- p.9Chapter 2.1 --- MRF Model --- p.10Chapter 2.1.1 --- MAP Understanding --- p.11Chapter 2.2 --- Belief Propagation Optimization Scheme --- p.14Chapter 2.2.1 --- Max-Product BP on MRFs --- p.14Chapter 2.2.2 --- Sum-Product BP on MRFs --- p.15Chapter 3 --- Our Formulation --- p.17Chapter 3.1 --- An MRF Model --- p.18Chapter 3.2 --- Coarse-to-F...