Image Watermarking Using All Phase Discrete Cosine Biorthogonal Transform in Selected Pixel Blocks

In the past decade, a transform called all phase discrete cosine biorthogonal transform (APDCBT) appeared in the field of digital image processing. It is mainly used to solve the negativity found in discrete cosine transform (DCT), especially in a low bit rate. In this paper, the APDCBT is employed...

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Autors principals:	Farhad M. Khalifa, Mohammed G. Saeed
Format:	Artigo
Idioma:	Inglês
Publicat:	Erbil Polytechnic University 2020-06-01
Col·lecció:	Polytechnic Journal
Matèries:	all phase discrete cosine biorthogonal transform; discrete cosine transform; image watermark; information hiding; selected pixel blocks
Accés en línia:	https://polytechnic-journal.epu.edu.iq/home/vol10/iss1/12
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