A Possibility of Applying Differential Digital Holography in Manufacturing Process

This paper presents a method for detecting the small changes in image patterns applied on ceramic tiles using differential digital holography. Holograms are constructed from tile images using composition of spherical waves. One hologram is created from ceramic tile with correct pattern and the other...

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Bibliographic Details
Published inProceedings ELMAR 2006 pp. 103 - 106
Main Authors Nenadic, K., Novak, I., Job, J., Jovic, F., Jagnjic, Z.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2006
Subjects
Ceramics
Computer aided manufacturing
digital holography
Error correction
Holography
image processing
Image reconstruction
Inspection
Manufacturing automation
Manufacturing processes
pattern defect detection
Pixel
small changes
subtracting holograms
Tiles
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Summary:This paper presents a method for detecting the small changes in image patterns applied on ceramic tiles using differential digital holography. Holograms are constructed from tile images using composition of spherical waves. One hologram is created from ceramic tile with correct pattern and the other hologram is created from tile with small error in pattern. The two holograms are subtracted and resulting hologram is observed. Next step in the process is creating image from subtracted holograms. The results show that for small change in the tile pattern there is a great alteration in the hologram and reconstructed image. The experiment is repeated with different tile errors in patterns
ISBN:9537044033
9789537044039
ISSN:1334-2630
DOI:10.1109/ELMAR.2006.329525