Parallel approach to syntactic image analysis
Thesis/Dissertation
·
OSTI ID:5480192
Syntactic methods and relaxation processes are two important techniques for image analysis. Both of these techniques possess the capability of handling the structural information contained in a pattern or an image. However, the syntactic methods are basically sequential processes and the relaxation processes are basically parallel processes in nature. In this research, it is attempted to bridge these two techniques, i.e., applying techniques of the relaxation processes to the syntactic methods, so that merits of the parallel nature of the relaxation processes can be incorporated with rigorousness of the syntactic methods. For nonstochastic cases, the discrete relaxation processes can be used to interpret the segmentation and parsing process of the context-free languages. For stochastic cases, the concept of matched filters is proposed. A matched filter is designed to match a given grammar, which can enhance those patterns generated by the grammar and suppress the other patterns. Using stochastic tree grammar as the context-generation model, the compatibility coefficients between neighboring primitives can be derived when the context-generation process is in the equilibrium state.
- Research Organization:
- Purdue Univ., Lafayette, IN (USA)
- OSTI ID:
- 5480192
- Country of Publication:
- United States
- Language:
- English
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