Reversible Data Hiding Techniques for VQ-Compressed Domain

Loại CSDL: Tài liệu số

Thông tin xb: Feng Chia University, 2011

Tác giả bổ sung: Prof. Chin - Chen Chang (người hướng dẫn khoa học)

Tóm tắt: Data hiding is designed to solve the problem of secure information exchange through networks such as Internet. In that, reversible data hiding is the good technique for recovering original images without any distortion after secret data are extracted from the stego image. This technique continues to attract attention from many researchers. In this thesis, three reversible data hiding schemesare proposed to embed secret data into the VQ and SMVQ compressed image. The first scheme is a reversible ...

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