Natural Steganography in JPEG Compressed Images
نویسندگان
چکیده
منابع مشابه
Natural Steganography in JPEG Compressed Images
In natural steganography, the secret message is hidden by adding to the cover image a noise signal that mimics the heteroscedastic noise introduced naturally during acquisition. The method requires the cover image to be available in its RAW form (the sensor capture). To bring this idea closer to a practical embedding method, in this paper we embed the message in quantized DCT coefficients of a ...
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We present techniques that allow the processing of an image in the \JPEG-compressed" domain. The goal is to reduce memory requirements while increasing speed by avoiding decompression and space domain operations. An e ort is made to implement the minimum number of JPEG basic operations. Techniques are presented for scaling, previewing, rotating, mirroring, cropping, recompressing, and segmentin...
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In this paper, a steganography technique for JPEG2000 compressed images using singular value decomposition in wavelet transform domain is proposed. In this technique, DWT is applied on the cover image to get wavelet coefficients and SVD is applied on these wavelet coefficients to get the singular values. Then secret data is embedded into these singular values using scaling factor. Different com...
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Information hiding in JPEG2000 compressed images is investigated in this research. The challenges of covert communication in this state-of-the-art image codec are analyzed and a steganographic scheme is then proposed to reliably embed high-volume data into the JPEG2000 bitstream. A special mode of JPEG2000 is employed, and its usage and functions are explained and justified. Experimental result...
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Verifying the integrity of digital images and detecting the traces of tampering without using any protecting pre–extracted or pre–embedded information has an important role in image forensics and crime detection. When altering a JPEG image, typically it is loaded into a photo–editing software and after manipulations are carried out, the image is re–saved. This operation, typically, brings into ...
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ژورنال
عنوان ژورنال: Electronic Imaging
سال: 2018
ISSN: 2470-1173
DOI: 10.2352/issn.2470-1173.2018.07.mwsf-316