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    Archive for the 'Wavelet transform' Category

    Figure 1. Embedding and Retrieval of the watermark

    ABSTRACT

    In this paper a novel algorithm based on wavelet transform is proposed for digital image watermarking. The algorithm is primarily combinations of TWT (discrete wavelet transform) and modified throsholding scheme to search exact coefficient for watermark embedding. The proposed algorithm gives good results of watermark retrieval also [...]

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    In this paper we presented a new image watermarking technique that can embed more number of watermark bits in the cover image without affecting the imperceptibility and increases the security of watermarks. To increase the embedding capacity the concept of watermark in watermark is used. Means it embeds an extra watermark into the main watermark [...]

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    FACE PROCESSING
    SYSTEM –WAVELET AND
    FSOFM ABSTRACT The
    human face is one of the
    most important patterns
    our visual system receives.
    It establishes a
    person’s identity
    and also plays a significant
    role in everyday
    communication. Humans
    can recognize familiar faces
    under varying lighting
    conditions, different
    scales, and even after the
    face has changed due to
    aging, hair style, glasses,
    or facial hair. Our ease at
    recognizing faces is a
    strong motivation for

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