Jayarani Appadurai Electa Alice and Bhatt Mahabaleswara Ram and D. D. Geetha: Semi fragile audio crypto-watermarking based on sparse sampling with partially decomposed Haar matrix structure. In: Acta cybernetica, (24) 4. pp. 679-697. (2020)
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Abstract
In the recent era the growth of technology is tremendous and at the same time, the misuse of technology is also increasing with an equal scale. Thus the owners have to protect the multimedia data from the malicious and piracy. This has led the researchers to the new era of cryptography and watermarking. In the traditional security algorithm for the audio, the algorithm is implemented on the digital data after the traditional analog to digital conversion. But in this article, we propose the crypto – watermarking algorithm based on sparse sampling to be implemented during the analog to digital conversion process only. The watermark is generated by exploiting the structure of HAAR transform. The performance of the algorithm is tested on various audio signals and the obtained SNR is greater than 30dB and the algorithm results in good robustness against various signal attacks such as echo addition, noise addition, reverberation etc.
| Item Type: | Article |
|---|---|
| Journal or Publication Title: | Acta cybernetica |
| Date: | 2020 |
| Volume: | 24 |
| Number: | 4 |
| ISSN: | 0324-721X |
| Page Range: | pp. 679-697 |
| Language: | English |
| Publisher: | University of Szeged, Institute of Informatics |
| Place of Publication: | Szeged |
| Related URLs: | http://acta.bibl.u-szeged.hu/71734/ |
| DOI: | 10.14232/actacyb.280899 |
| Uncontrolled Keywords: | Kriptográfia |
| Additional Information: | Bibliogr.: p. 696-697. ; összefoglalás angol nyelven |
| Subjects: | 01. Natural sciences 01. Natural sciences > 01.01. Mathematics 01. Natural sciences > 01.02. Computer and information sciences |
| Date Deposited: | 2021. Feb. 05. 12:43 |
| Last Modified: | 2022. Jun. 21. 09:25 |
| URI: | http://acta.bibl.u-szeged.hu/id/eprint/71761 |
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