An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain
Digital watermarking has drawn extensive attention for copyright protection of multimedia data. This paper proposes a new watermarking system for digital images using efficient systematic linear block codes (SLBC) in discrete cosine transform (DCT) domain. The proposed watermarking system using SL...
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| Aineistotyyppi: | Artikkeli |
| Kieli: | englanti |
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R&D Wing, MIST
2015
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| Linkit: | http://hdl.handle.net/123456789/210 |
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| _version_ | 1868227013395873792 |
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| author | Kumar Dhar, Pranab Ibrahim Khan, Mohammad Chowdhury, Sujan |
| author_browse | Chowdhury, Sujan Ibrahim Khan, Mohammad Kumar Dhar, Pranab |
| author_facet | Kumar Dhar, Pranab Ibrahim Khan, Mohammad Chowdhury, Sujan |
| author_sort | Kumar Dhar, Pranab |
| collection | DSpace |
| description | Digital watermarking has drawn extensive attention for copyright protection of multimedia data. This paper proposes a new
watermarking system for digital images using efficient systematic linear block codes (SLBC) in discrete cosine transform (DCT)
domain. The proposed watermarking system using SLBC generates a code sequence of {0, 1} that provides error correction
capabilities and then replaces it with a binary watermark sequence of {-1, 1}. This achieves more robust invisible image
watermarks and requires a small storage unit for binary sequence numbers. The generated watermark sequence is then used as an
input for our proposed watermarking system which consists of watermark embedding process and watermark detection process.
Experimental results indicate that the invisible watermark embedded with the proposed system are very robust against various
kinds of attacks such as white Gaussian noise, JPEG compression, median, and mean filtering, by showing similarity values
ranging from 0.7 to 0.8. |
| format | Article |
| id | oai:localhost:123456789-210 |
| institution | My University |
| language | English |
| publishDate | 2015 |
| publishDateRange | 2015 |
| publishDateSort | 2015 |
| publisher | R&D Wing, MIST |
| publisherStr | R&D Wing, MIST |
| record_format | dspace |
| spelling | oai:localhost:123456789-2102015-09-18T03:47:38Z An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain Kumar Dhar, Pranab Ibrahim Khan, Mohammad Chowdhury, Sujan Digital Watermarking, Linear Block Code, Copyright Protection. Digital watermarking has drawn extensive attention for copyright protection of multimedia data. This paper proposes a new watermarking system for digital images using efficient systematic linear block codes (SLBC) in discrete cosine transform (DCT) domain. The proposed watermarking system using SLBC generates a code sequence of {0, 1} that provides error correction capabilities and then replaces it with a binary watermark sequence of {-1, 1}. This achieves more robust invisible image watermarks and requires a small storage unit for binary sequence numbers. The generated watermark sequence is then used as an input for our proposed watermarking system which consists of watermark embedding process and watermark detection process. Experimental results indicate that the invisible watermark embedded with the proposed system are very robust against various kinds of attacks such as white Gaussian noise, JPEG compression, median, and mean filtering, by showing similarity values ranging from 0.7 to 0.8. R&D Wing 2015-09-10T03:22:59Z 2015-09-10T03:22:59Z 2011-02 Article 2073-6444 http://hdl.handle.net/123456789/210 en Galaxy (Dhaka) : The Annual Technical Journal of MIST;Volume 3, Number 3, February 2011 application/pdf R&D Wing, MIST |
| spellingShingle | Digital Watermarking, Linear Block Code, Copyright Protection. Kumar Dhar, Pranab Ibrahim Khan, Mohammad Chowdhury, Sujan An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain |
| title | An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain |
| title_full | An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain |
| title_fullStr | An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain |
| title_full_unstemmed | An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain |
| title_short | An Efficient Image Watermarking System Based On Error Correcting Codes In Dct Domain |
| title_sort | efficient image watermarking system based on error correcting codes in dct domain |
| topic | Digital Watermarking, Linear Block Code, Copyright Protection. |
| url | http://hdl.handle.net/123456789/210 |
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