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Enhancing the Quality of Sampled Phase-Only Hologram (SPOH) Based on Time-Division Comb Filtering

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dc.contributor.authorTsang, Peter W. M.en
dc.contributor.authorLiu, Jung-Pingen
dc.contributor.authorLam, Hosonen
dc.contributor.authorPoon, Ting-Chungen
dc.contributor.departmentElectrical and Computer Engineeringen
dc.date.accessioned2020-04-15T14:05:32Zen
dc.date.available2020-04-15T14:05:32Zen
dc.date.issued2020-04-15en
dc.date.updated2020-04-15T13:18:47Zen
dc.description.abstractGeneration of digital phase-only Fresnel holograms is an important research area in digital holography, as it leads to a substantial simplification of a holographic display system. However, the quality of the reconstructed image of a hologram without the magnitude component is heavily degraded. The problem can be reduced by down-sampling the intensity of an image prior to generating the hologram. The method, referred to as “sampled phase-only hologram” (SPOH) generation, results in reconstructed images that are masked with the pattern of the down-sampling lattice. This paper reports a novel, low complexity method to alleviate this problem through the concept of comb filtering. Results reveal prominent enhancement on the reconstructed image of a SPOH.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationTsang, P.W.M.; Liu, J.-P.; Lam, H.; Poon, T.-C. Enhancing the Quality of Sampled Phase-Only Hologram (SPOH) Based on Time-Division Comb Filtering. Appl. Sci. 2020, 10, 2732.en
dc.identifier.doihttps://doi.org/10.3390/app10082732en
dc.identifier.urihttp://hdl.handle.net/10919/97627en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectphase-only hologramen
dc.subjectsampled phase-only hologramen
dc.subjectgrid-cross down-samplingen
dc.subjectcomb filteringen
dc.subjecttime-division comb filteringen
dc.titleEnhancing the Quality of Sampled Phase-Only Hologram (SPOH) Based on Time-Division Comb Filteringen
dc.title.serialApplied Sciencesen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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