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- W2155590486 abstract "Watermarking is a technique embedding hidden multimedia information imperceptibly, such as images and sounds. Generally, the original image is transformed and coded watermark data is embedded in frequency domain watermarking models. We propose a new data embedding method using the Fresnel transform. A watermark image is Fresnel-transformed and the intensity of the transformed pattern is embedded into the original image. Our watermarking model has the flexibility in data hiding. It is possible to embed watermarks in many different observable planes with various distance parameters of the Fresnel transform and all kinds of image models such as shape, letter and photo can be used as a watermark data. Using the Fresnel transform with various distance parameters, it is possible to get many channels for embedding. So our method can recover the weak point, having only one transform plane in DFT and DCT domain methods. The watermarking experiments were conducted to show the validity of the proposed method, and the results show that our method can provide multi frequency domains for embedding watermark." @default.
- W2155590486 created "2016-06-24" @default.
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- W2155590486 date "2003-01-20" @default.
- W2155590486 modified "2023-09-26" @default.
- W2155590486 title "Image data embedding system for watermarking using Fresnel transform" @default.
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- W2155590486 doi "https://doi.org/10.1109/mmcs.1999.779319" @default.
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