Enhanced Adaptive Data Hiding in DWT

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Provided by: Iosrjournals
Topic: Data Management
Format: PDF
Security of the data on internet can be obtained by the steganography. It is combination of science and art for hiding the data or information in cover medium. So, that observer cannot arouse suspicious. In this regards Discrete Wavelet Transform (DWT) plus adaptive quantization are the effective tools for enhancing the cover media visual quality and hence attracts much attention in recent years. In this paper, the steganography technique which embeds the secret messages in frequency domain after DWT and adaptive quantization.
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