Multilevel wavelet decomposition watermarking techniques
The merging of computer and communication technologies offers substantial new opportunities for processing and distribution of digital media. Along with powerful software and new devices such as digital cameras, scanners and printers, duplication, distribution, creation, and manipulation of images...
| Main Authors: | , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
Federation of Engineering Institutions of Islamic Countries
2006
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| Online Access: | http://psasir.upm.edu.my/id/eprint/39428/ http://psasir.upm.edu.my/id/eprint/39428/1/39428.pdf |
| _version_ | 1848849140555972608 |
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| author | Wan Adnan, Wan Azizun Abdul Kareem, Sameem Hitam, Salasiah |
| author_facet | Wan Adnan, Wan Azizun Abdul Kareem, Sameem Hitam, Salasiah |
| author_sort | Wan Adnan, Wan Azizun |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | The merging of computer and communication technologies offers substantial new opportunities for processing
and distribution of digital media. Along with powerful software and new devices such as digital cameras,
scanners and printers, duplication, distribution, creation, and manipulation of images can be easily and cheaply
done. The protection of ownership and the prevention of unauthorized tampering of images are becoming
increasingly important concerns to multimedia content owners especially when the content is to be made
available through the internet, which is unsecured. Digital watermarking is considered by many a potential
solution to this problem. It is a process which embeds some characteristics data in an image in advance which
later can be extracted that can be used for authentication or proof of ownership. This paper proposed a
combination of spread spectrum encoding of the embedded message and wavelet transform-based invariants for
digital image watermarking. Using the proposed method, we investigated the effect of using different values of
gain factor at different sub-band of decomposition in such a way that it will not affect the perceptual
transparency of the original image. The experimental results show that the imperceptibility and robustness are
guaranteed using the proposed technique. |
| first_indexed | 2025-11-15T09:45:40Z |
| format | Conference or Workshop Item |
| id | upm-39428 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T09:45:40Z |
| publishDate | 2006 |
| publisher | Federation of Engineering Institutions of Islamic Countries |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-394282015-07-22T05:01:54Z http://psasir.upm.edu.my/id/eprint/39428/ Multilevel wavelet decomposition watermarking techniques Wan Adnan, Wan Azizun Abdul Kareem, Sameem Hitam, Salasiah The merging of computer and communication technologies offers substantial new opportunities for processing and distribution of digital media. Along with powerful software and new devices such as digital cameras, scanners and printers, duplication, distribution, creation, and manipulation of images can be easily and cheaply done. The protection of ownership and the prevention of unauthorized tampering of images are becoming increasingly important concerns to multimedia content owners especially when the content is to be made available through the internet, which is unsecured. Digital watermarking is considered by many a potential solution to this problem. It is a process which embeds some characteristics data in an image in advance which later can be extracted that can be used for authentication or proof of ownership. This paper proposed a combination of spread spectrum encoding of the embedded message and wavelet transform-based invariants for digital image watermarking. Using the proposed method, we investigated the effect of using different values of gain factor at different sub-band of decomposition in such a way that it will not affect the perceptual transparency of the original image. The experimental results show that the imperceptibility and robustness are guaranteed using the proposed technique. Federation of Engineering Institutions of Islamic Countries 2006 Conference or Workshop Item NonPeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/39428/1/39428.pdf Wan Adnan, Wan Azizun and Abdul Kareem, Sameem and Hitam, Salasiah (2006) Multilevel wavelet decomposition watermarking techniques. In: Seminar on Engineering and Technology (SET2006) , 4-5 Sept. 2006, Putrajaya, Malaysia. (pp. 38-42). |
| spellingShingle | Wan Adnan, Wan Azizun Abdul Kareem, Sameem Hitam, Salasiah Multilevel wavelet decomposition watermarking techniques |
| title | Multilevel wavelet decomposition watermarking techniques |
| title_full | Multilevel wavelet decomposition watermarking techniques |
| title_fullStr | Multilevel wavelet decomposition watermarking techniques |
| title_full_unstemmed | Multilevel wavelet decomposition watermarking techniques |
| title_short | Multilevel wavelet decomposition watermarking techniques |
| title_sort | multilevel wavelet decomposition watermarking techniques |
| url | http://psasir.upm.edu.my/id/eprint/39428/ http://psasir.upm.edu.my/id/eprint/39428/1/39428.pdf |