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- Publisher Website: 10.1126/sciadv.abg0363
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- PMID: 34020956
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Article: Metasurface-based key for computational imaging encryption
Title | Metasurface-based key for computational imaging encryption |
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Authors | |
Issue Date | 2021 |
Publisher | American Association for the Advancement of Science: Science Advances. The Journal's web site is located at http://www.scienceadvances.org/ |
Citation | Science Advances, 2021, v. 7 n. 21, p. article no. eabg0363 How to Cite? |
Abstract | Optical metasurfaces can offer high-quality multichannel displays by modulating different degrees of freedom of light, demonstrating great potential in the next generation of optical encryption and anti-counterfeiting. Different from the direct imaging modality of metasurfaces, single-pixel imaging (SPI) as a typical computational imaging technique obtains the object image from a decryption-like computational process. Here, we propose an optical encryption scheme by introducing metasurface-images (meta-images) into the encoding and decoding processes as the keys of SPI encryption. Different high-quality meta-images generated by a dual-channel Malus metasurface play the role of keys to encode multiple target images and retrieve them following the principle of SPI. Our work eliminates the conventional digital transmission process of keys in SPI encryption, enables the reusability of a single metasurface in different encryption processes, and thereby paves the way toward a high-security optical encryption between direct and indirect imaging methods. |
Persistent Identifier | http://hdl.handle.net/10722/300327 |
ISSN | 2023 Impact Factor: 11.7 2023 SCImago Journal Rankings: 4.483 |
PubMed Central ID | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Zheng, P | - |
dc.contributor.author | Dai, Q | - |
dc.contributor.author | Li, Z | - |
dc.contributor.author | Ye, Z | - |
dc.contributor.author | Xiong, J | - |
dc.contributor.author | Liu, HC | - |
dc.contributor.author | Zheng, G | - |
dc.contributor.author | Zhang, S | - |
dc.date.accessioned | 2021-06-04T08:41:22Z | - |
dc.date.available | 2021-06-04T08:41:22Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Science Advances, 2021, v. 7 n. 21, p. article no. eabg0363 | - |
dc.identifier.issn | 2375-2548 | - |
dc.identifier.uri | http://hdl.handle.net/10722/300327 | - |
dc.description.abstract | Optical metasurfaces can offer high-quality multichannel displays by modulating different degrees of freedom of light, demonstrating great potential in the next generation of optical encryption and anti-counterfeiting. Different from the direct imaging modality of metasurfaces, single-pixel imaging (SPI) as a typical computational imaging technique obtains the object image from a decryption-like computational process. Here, we propose an optical encryption scheme by introducing metasurface-images (meta-images) into the encoding and decoding processes as the keys of SPI encryption. Different high-quality meta-images generated by a dual-channel Malus metasurface play the role of keys to encode multiple target images and retrieve them following the principle of SPI. Our work eliminates the conventional digital transmission process of keys in SPI encryption, enables the reusability of a single metasurface in different encryption processes, and thereby paves the way toward a high-security optical encryption between direct and indirect imaging methods. | - |
dc.language | eng | - |
dc.publisher | American Association for the Advancement of Science: Science Advances. The Journal's web site is located at http://www.scienceadvances.org/ | - |
dc.relation.ispartof | Science Advances | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Metasurface-based key for computational imaging encryption | - |
dc.type | Article | - |
dc.identifier.email | Zhang, S: shuzhang@hku.hk | - |
dc.identifier.authority | Zhang, S=rp02759 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1126/sciadv.abg0363 | - |
dc.identifier.pmid | 34020956 | - |
dc.identifier.pmcid | PMC8139587 | - |
dc.identifier.scopus | eid_2-s2.0-85106471156 | - |
dc.identifier.hkuros | 322724 | - |
dc.identifier.volume | 7 | - |
dc.identifier.issue | 21 | - |
dc.identifier.spage | article no. eabg0363 | - |
dc.identifier.epage | article no. eabg0363 | - |
dc.identifier.isi | WOS:000654198900029 | - |
dc.publisher.place | United States | - |