Interpretation and classification of fringe patterns

A procedure for interpretation and classification of digital fringes, including design of quantitative features and methods of feature extraction, is presented. Totally, fourteen parameters, related to the geometrical shape and the physical meaning of fringes, are proposed. These parameters can be used, either for a macroscopic description of the fringe pattern, or for feature interpretation of parts of the pattern. The parameter extraction method can be successfully applied to noisy fringes. The methods are well suited for automatic fringe pattern analysis and results of applying the procedures are presented