Resolution enhancement for digital off-axis hologram reconstruction
- Authors
- Muhammad, Nazeer; Kim, Dai-Gyoung
- Issue Date
- Apr-2013
- Publisher
- Springer Verlag
- Keywords
- Bi-cubic interpolation; Digital holography; Fresnel transforms; Lens formula; Microscopy; Wavelet transforms
- Citation
- IAENG Transactions on Engineering Technologies Special Volume of the World Congress on Engineering 2012, pp 431 - 443
- Pages
- 13
- Indexed
- SCOPUS
- Journal Title
- IAENG Transactions on Engineering Technologies Special Volume of the World Congress on Engineering 2012
- Start Page
- 431
- End Page
- 443
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/30589
- DOI
- 10.1007/978-94-007-6190-2_33
- Abstract
- A new method of digital off-axis hologram reconstruction based on the Fresnel transform is proposed. A combination of composite filtering, Abbe's limitation, and digital lens formulae has been used with an appropriate handling of Fresnel impulse response propagator. A clear image of microscopic object is efficiently reconstructed from hologram using a plane wave with involvement of electric field along bi-cubic interpolation in the final reconstruction step. In particular, the proposed method automatically suppresses the zero order term and virtual image. The image can be reconstructed with large size using interpolation scheme with the Haar wavelet. The proposed method facilitates the transverse high resolution of microscopic image, which has better applicability than other approaches. Moreover, the advantages of this method are its simplicity and convenience in data processing. © 2013 Springer Science+Business Media Dordrecht.
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