A Study of Digital Audio Watermarking Schemes in the Wavelet Domain
Language: English
Published by ¿¿¿¿¿¿¿ Dez 2016, 2016
- Softcover
- New
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Neuware -This book introduces two DWT-based audio watermarking schemes.Unlike the traditional entropy, we use the normalized energy instead of the probability. Thus, we redefined the entropy as an energy-proportion function that maps the low-frequency coefficients of DWT into a positive real value. Based on the invariant features and the properties of the energy-proportion function, the energy-proportion based scheme is then proposed.The second method presents an optimization-based group-amplitude quantization scheme for audio watermarking. Generally, the performance of a watermarking scheme is measured in terms of signal-to-noise ratio (SNR) and bit error rate (BER).The SNR and BER are used to measure the quality and the robustness of a watermarked audio. However, there is a trade-off between them which is still a challenge in the field of the watermarking. To overcome this problem, we propose to select these coefficients based on minimizing a wavelet-based functional. Finally, we obtained an important formula for audio watermarking by using Lagrange Principle. 80 pp. Englisch.…
Seller Inventory # 9783639829242
- Title
- A Study of Digital Audio Watermarking Schemes in the Wavelet Domain
- Author
- Shuo-Tsung Chen
- Publisher
- ¿¿¿¿¿¿¿ Dez 2016
- Publication year
- 2016
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 3639829247
- ISBN 13
- 9783639829242
- Item weight
- 137 grams
- Dimensions
- 220x150x6 mm
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Books-by-Floh
Paderborn, Germany
AbeBooks seller since March 13, 2026
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Books-by-Floh steht für ein breites, kuratiertes Buchsortiment aus einer Hand. Unser Fokus liegt auf Qualität, Vielfalt und zuverlässiger Abwicklung.
Wir führen Romane, Krimis, Thriller, Liebesromane, Lyrik, Anthologien, Mythologie, Fachbücher sowie Werke der Gegenwartsliteratur – für Leserinnen und Leser mit Anspruch.
Alle Artikel werden ausschließlich aus Deutschland versendet. Das garantiert kurze Lieferzeiten, transparente Prozesse und einen verlässlichen Service.
Unser Anspruch: unkomplizierter Einkauf, Bücher, die man gerne liest – heute und morgen.
Books-by-Floh – Bücher. Klar. Verlässlich.
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