Abstract
Using Markov random field (MRF) theory, a variety of computer vision problems can be modeled in terms of optimization based on the maximum a posteriori (MAP) criterion. The MAP configuration minimizes the energy of a posterior (Gibbs) distribution. When the label set is discrete, the minimization is combinatorial. This paper proposes to use the continuous relaxation labeling (RL) method for the minimization. The RL converts the original NP complete problem into one of polynomial complexity. Annealing may be combined into the RL process to improve the quality (globalness) of RL solutions. Performance comparison among four different RL algorithms is given.
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