| Holographic detection technology applications more and more widely in thenondestructive testing industry,Holographic detection has same advantage, as highsensitivity,detection speed, non-contact, no of the coupling agent. The detectionprinciple is based on the distortion of fringes to be detected sample to reflect whetherthe defective. Reproduce holograms needed laser and other equipment. Holographicimages can not be assessed at any time. With the CCD technological developments.theCCD can be used for stored and transmission of holographic reproduction of imagesAlthough qualitative assessment of defects can be achieved, However, the hologramreproduction of images does not have quantitative and visualization. In this paper,holographic visualization of the morphology Construction Defects by this situation tosolve the above problem.Morphology of holographic the image to achieve visualization of defects inconstruction need to identify the defect location, to calculated defect size,to assess thedefects in construction from the surface displacement and to identify construction ofways.First,preprocessing the CCD hologram reproduction of images to be iInterferencefringes clearly in this pape, it is the key thatSkeleton extraction, stripes on the growth ofmergers and remove the glitch of stripes. Used to find reference point to determine thedefect location. To determine the reference point is the pixel coordinate system in adifferent coordinate transformation. the size of defect area,used to achieve by calculatethe number of defective pixels, the main work is to find defects. stripes verticaldisplacement to achieve by derived according to the number of light and dark. its coreis the determined fringe orders. Holographic image visualization Construction by pixelsearch method, The focus of visual is construction of fringe equation. Above work isthe use of matlab software combined with digital image to achieve.The end of this article describes the advantages and disadvantages In this paper. |
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