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• Anotace
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Anotace knihy

In this world where media owners are desperately §trying to protect their images from being §manipulated & illegally used, it is often desired to §obtain a robust digital watermarking method that §does not distort the digital image, even if this §implies that the image is slightly expanded in size §before final compression. The aim of this work was §to develop a new algorithm to embed a watermark in §JPEG compressed images, using encoding methods. This §encompasses the embedding of proprietary §information, such as identity and authentication §bitstrings, into the compressed material. This §watermark encoding scheme involves combining entropy §coding with homophonic coding, in order to embed a §watermark in a JPEG image.

Parametry knihy

• Plný název: World of Watermarking
• Podnázev: Digital Rights Management for JPEG Images
• Autor: Sindhu Samuel
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 104
• EAN: 9783639108781
• ID: 06819812
• Nakladatelství: VDM Verlag Dr. Müller
• Hmotnost: 155 g
• Rozměry: 220 × 150 × 5 mm
• Rok vydání: 2009

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