Jiri Fridrich, Miroslav Goljan  Home/Search
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Abstract: In this paper, we propose a technique for selfembedding an image into itself as a means for protecting the image content. After selfembedding, it is possible to recover portions of the image that have been cropped out, replaced, or otherwise tampered. The method is based on transforming small 8×8 blocks using a DCT, quantizing the coefficients, and carefully encoding them in the least significant bit of other, distant squares. If two least significant bits are used for encoding, the quality of... (Update)
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BibTeX entry: (Update)
J. Fridrich and M. Goljan, "Protection of digital images using self embedding," in Proceedings of NJIT Symposium on Content Security and Data Hiding in Digital Media, (Newark, NJ), May 1999. http://citeseer.ist.psu.edu/article/fridrich99protection.html More
@misc{ fridrich99protection,
author = "J. Fridrich and M. Goljan",
title = "Protection of digital images using self embedding",
text = "J. Fridrich and M. Goljan, Protection of digital images using self embedding,
in Proceedings of NJIT Symposium on Content Security and Data Hiding in
Digital Media, (Newark, NJ), May 1999.",
year = "1999",
url = "citeseer.ist.psu.edu/article/fridrich99protection.html" }
Citations (may not include all citations):68 A Watermark for Digital Images - Wolfgang, Delp - 1996
49 A Digital Watermark - van Schyndel, Tirkel et al. - 1994
40 Contrast Masking in Human Vision (context) - Legge, Foley - 1980
20 Transparent Robust Authentication and Distortion Measurement.. - Zhu, Swanson et al. - 1997
20 Image Watermarking for Tamper Detection - Fridrich - 1998
18 The Information Theoretical Significance of Spatial and Temp.. (context) - Girod - 1989
17 Information Authentication for a Slippery New Age (context) - Walton - 1995
15 Methods for Detecting Changes in Digital images - Fridrich
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