dc.contributor.author |
Preda, Radu O |
|
dc.date.accessioned |
2020-05-04T07:32:40Z |
|
dc.date.accessioned |
2021-03-01T08:55:44Z |
|
dc.date.available |
2020-05-04T07:32:40Z |
|
dc.date.available |
2021-03-01T08:55:44Z |
|
dc.date.issued |
2006 |
|
dc.identifier.citation |
Preda, Radu O.. Digital watermarking for image copyright protection in the wavelet domain, robust against geometric attacks. Timişoara: Editura Politehnica, 2006 |
en_US |
dc.identifier.uri |
http://primo.upt.ro:1701/primo-explore/search?query=any,contains,Digital%20watermarking%20for%20image%20copyright%20protection%20in%20the%20wavelet%20domain,%20robust%20against%20geometric%20attacks&tab=default_tab&search_scope=40TUT&vid=40TUT_V1&lang=ro_RO&offset=0 Link Primo |
|
dc.description.abstract |
This paper proposes a digital watermark embedding method based on a multiresolution wavelet decomposition. The robustness against geometric distortions is based on image normalization. The watermark embedding and extraction are carried out with respect to an image normalized to meet a set of predefined moment criteria. We embed the watermark into the higher level detail wavelet coefficients from different wavelet subbands with the use of a key. The resulting watermarking scheme can be used for public watermarking applications, where the original image is not available for watermark extraction. |
en_US |
dc.language.iso |
en |
en_US |
dc.publisher |
Timişoara: Editura Politehnica |
en_US |
dc.relation.ispartofseries |
Buletinul ştiinţific al Universităţii „Politehnica” din Timişoara, România. Seria electronică şi telecomunicaţii, Tom 51(65), fasc. 2 (2006), p. 58-62 |
|
dc.subject |
Digital watermarking |
en_US |
dc.subject |
Copyright protection |
en_US |
dc.subject |
Discrete wavelet transform |
en_US |
dc.subject |
Geometric attacks |
en_US |
dc.subject |
Image normalization |
en_US |
dc.title |
Digital watermarking for image copyright protection in the wavelet domain, robust against geometric attacks [articol] |
en_US |
dc.type |
Article |
en_US |