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- W2017679908 abstract "Recently data embedding over images has drawn tremendous interest, using either lossy or lossless techniques. Although lossy techniques can allow large hiding capacity, host image cannot be recovered with high fidelity. Some applications require exact recovery of the host image, i.e. in medicine patient data can be embedded without affecting the medical image. In general lossless data hiding techniques suffer from limited capacity as the host image should be kept intact. In this paper a lossless embedding technique is proposed. In this technique image histograms are analyzed to identify the embedding capacity of different image types. Histogram maxima and minima are used in embedding capacity estimation. The proposed technique gives hiding capacity that can reach up to 50% of the host image size for images with large homochromatic regions (cartoons-like). In fact, our study showed that the embedding capacity is not only affected by the host image size but also by its histogram distribution. The data embedding and extraction is performed using simple processing operations that can save on power consumption for wireless devices." @default.
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- W2017679908 date "2010-12-01" @default.
- W2017679908 modified "2023-09-27" @default.
- W2017679908 title "High capacity lossless data embedding technique for palette images based on histogram analysis" @default.
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- W2017679908 doi "https://doi.org/10.1016/j.dsp.2010.02.004" @default.
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