Speckle free optical watermarking based on pseudo-random phase encoding
| datacite.rights | http://purl.org/coar/access_right/c_16ec | |
| dc.contributor.editor | Altuve M. | |
| dc.creator | Patino A. | |
| dc.creator | Altamar Mercado, Hernando | |
| dc.creator | Martínez-Santos, Juan Carlos | |
| dc.date.accessioned | 2020-03-26T16:32:42Z | |
| dc.date.available | 2020-03-26T16:32:42Z | |
| dc.date.issued | 2016 | |
| dc.description.abstract | Watermarking is a process of embedding copiright information into an image to verify the ownership without any kind of corruption. In optical applications, the usage of diffusers is required to obtain a homogeneously distributed spectrum. However, the use of a diffuser in the input plane and the finite size of the sensor leave the recovered watermark with noise speckles. This noise affects negatively the verification process. We propose the usage of pseudo-random band-limited diffusers to place watermarks on optical images using a method based on Fourier-transform and random phase encoding algorithm. Such diffusers can help to recover a free-speckle watermark. The robustness to typical attacks is analyzed. Numerical results have shown its effectiveness. © 2016 IEEE. | eng |
| dc.description.sponsorship | Universidad Pontificia Bolivariana (UPB) Seccional Bucaramanga | |
| dc.format.medium | Recurso electrónico | |
| dc.format.mimetype | application/pdf | |
| dc.identifier.citation | 2016 21st Symposium on Signal Processing, Images and Artificial Vision, STSIVA 2016 | |
| dc.identifier.doi | 10.1109/STSIVA.2016.7743296 | |
| dc.identifier.instname | Universidad Tecnológica de Bolívar | |
| dc.identifier.isbn | 9781509037971 | |
| dc.identifier.orcid | 57192275310 | |
| dc.identifier.orcid | 57192279306 | |
| dc.identifier.orcid | 26325154200 | |
| dc.identifier.reponame | Repositorio UTB | |
| dc.identifier.uri | https://hdl.handle.net/20.500.12585/8977 | |
| dc.language.iso | eng | |
| dc.publisher | Institute of Electrical and Electronics Engineers Inc. | |
| dc.relation.conferencedate | 30 August 2016 through 2 September 2016 | |
| dc.rights.accessrights | info:eu-repo/semantics/restrictedAccess | |
| dc.rights.cc | Atribución-NoComercial 4.0 Internacional | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
| dc.source | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85002518268&doi=10.1109%2fSTSIVA.2016.7743296&partnerID=40&md5=92f3b69e9106a10e82951b9a3f0ab9ed | |
| dc.source | Scopus2-s2.0-85002518268 | |
| dc.source.event | 21st Symposium on Signal Processing, Images and Artificial Vision, STSIVA 2016 | |
| dc.subject.keywords | Diffusers (optical) | |
| dc.subject.keywords | Encoding (symbols) | |
| dc.subject.keywords | Geometrical optics | |
| dc.subject.keywords | Image coding | |
| dc.subject.keywords | Image processing | |
| dc.subject.keywords | Speckle | |
| dc.subject.keywords | Vision | |
| dc.subject.keywords | Watermarking | |
| dc.subject.keywords | Input planes | |
| dc.subject.keywords | Noise speckle | |
| dc.subject.keywords | Numerical results | |
| dc.subject.keywords | Optical applications | |
| dc.subject.keywords | Optical image | |
| dc.subject.keywords | Pseudo random | |
| dc.subject.keywords | Random-phase encoding | |
| dc.subject.keywords | Verification process | |
| dc.subject.keywords | Signal processing | |
| dc.title | Speckle free optical watermarking based on pseudo-random phase encoding | |
| dc.type.driver | info:eu-repo/semantics/conferenceObject | |
| dc.type.hasversion | info:eu-repo/semantics/publishedVersion | |
| dc.type.spa | Conferencia | |
| dcterms.bibliographicCitation | Aagedal, H., Schmid, M., Beth, T., Teiwes, S., Wyrowski, F., Chaussee, R., Theory of Speckles in Diffractive Optics and Its | |
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| dcterms.bibliographicCitation | Goodman, J., (2007) Speckle Phenomena in Optics: Theory and Applications. | |
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| dcterms.bibliographicCitation | Wyrowski, F., Bryngdahl, O., Iterative Fourier-transform algorithm applied to computer holography (1988) J. Opt. Soc. Am. A, 5 (7), pp. 1058-1065. , Jul | |
| oaire.resourceType | http://purl.org/coar/resource_type/c_c94f | |
| oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 |