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Mathematical Morphology Guided Automatic Unwrapping Isoclinic Phase Map in White Light Photoelasticity
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 Title & Authors
Mathematical Morphology Guided Automatic Unwrapping Isoclinic Phase Map in White Light Photoelasticity
Liu, Xiaomeng; Dai, Shuguang;
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By comparing the results calculated by atan() and atan2() functions, the correctly estimated region of isoclinic phase map is determined using morphological techniques. The isoclinic phase map is automatically unwrapped in the true phase range -π/2 to π/2. Demonstrations of the method on a disc and a ring under diametral compression are performed. Test results compare well with the theoretical results. Furthermore, the influences of principal stress direction and the range of isoclinic phase upon stress separation are discussed.
Photoelasticity;Isoclinic;Phase unwrapping;Morphology;
 Cited by
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