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A Possibility of Applaying Differential Digital Holography in Manufacturing Process


Nenadić, Krešimir; Novak, Igor; Job, Josip; Jović, Franjo; Jagnjić, Željko
A Possibility of Applaying Differential Digital Holography in Manufacturing Process // 48th International symposium ELMAR-2006 focused on multimedia signal processing and communications : proceedings / Grgić, Mislav ; Grgić, Sonja (ur.).
Zagreb: Croatian Society Electronics in Marine = ELMAR, 2006. str. 103-106 (demonstracija, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
A Possibility of Applaying Differential Digital Holography in Manufacturing Process

Autori
Nenadić, Krešimir ; Novak, Igor ; Job, Josip ; Jović, Franjo ; Jagnjić, Željko

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
48th International symposium ELMAR-2006 focused on multimedia signal processing and communications : proceedings / Grgić, Mislav ; Grgić, Sonja - Zagreb : Croatian Society Electronics in Marine = ELMAR, 2006, 103-106

ISBN
953-7044-03-3

Skup
International symposium ELMAR-2006 focused on multimedia signal processing and communications (48 ; 2006)

Mjesto i datum
Zadar, Hrvatska, 07.-09.06.2006

Vrsta sudjelovanja
Demonstracija

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Digitalna holografija; obrada slike; oduzimanje holograma; male promjene; otkrivanje pogrešaka u uzorku
(Digital holography; image processing; subtracting holograms; small changes; pattern defect detection)

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika



POVEZANOST RADA


Projekt / tema
0165101
0165103

Ustanove
Fakultet elektrotehnike, računarstva i informacijskih tehnologija Osijek