NDLI: A GeoTagging Scheme Using Image Steganography and GPS Information Authentication

Content Provider	IEEE Xplore Digital Library
Author	Mei-Yi Wu Chuan-Chi Hsu Jia-Hong Lee
Copyright Year	2009
Abstract	A lossless data hiding scheme, which can restore the original image completely after data extraction, is presented in this paper. In the proposed method, a cover image is reordered into a sequence using space filling curves. For each pixel (except the first pixel) in the sequence, a pixel difference is generated between the pixel and its neighbor pixel. Due to the inherent structure of images causes a correlation of adjacent pixels, by utilizing the space filling curve scanning we can improve the embedding capacity while keeping the distortion low. Unlike most of the currently available lossless data hiding approaches, in which the visual quality of the stego image will be drastically degraded if the multi-layer embedding is applied, the proposed scheme can apply the multi-layer embedding to the cover image conveniently. Experimental results show that the proposed algorithm provides high embedding capacity while keeping the distortions low.
Starting Page	1245
Ending Page	1248
File Size	880464
Page Count	4
File Format	PDF
ISBN	9781424447176
DOI	10.1109/IIH-MSP.2009.301
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-12
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	geotagging Information retrieval Information management Global Positioning System image authentication Steganography Web services Cellular phones Authentication image steganograpy Cameras Data encapsulation GPS information Discrete cosine transforms
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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