Face Obfuscation Based Reversible Watermarking For Lossless Image Compression
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

Downloads: 105

Research Paper | Electronics & Communication Engineering | India | Volume 4 Issue 8, August 2015

Face Obfuscation Based Reversible Watermarking For Lossless Image Compression

Vivek Jaladi, Suhasini Andurey

De-Identification is a process which can be used to ensure privacy by concealing the identity of individuals captured by video surveillance systems. One important challenge is to make the obfuscation process reversible so that the original image/video can be recovered by persons in possession of the right security credentials. This work presents a novel Reversible De-Identification method that can be used in conjunction with any obfuscation process. The residual information needed to reverse the obfuscation process is compressed, authenticated, encrypted and embedded within the obfuscated image using a two-level Reversible Watermarking scheme. The proposed method ensures an overall single-pass embedding capacity of 1.25 bpp, where 99.8 % of the images considered required less than 0.8 bpp while none of them required more than 1.1 bpp. Experimental results further demonstrate that the proposed method managed to recover and authenticate all images considered. It is also possible to obfuscate the image with video it creates ample opportunities for the sharing of video sequences. In order to protect the privacy of subjects visible in the scene, automated methods to de-identify the images, particularly the face region are necessary.

Keywords: Obfuscation, Watermarking, Forward Reversible De-Identification, Inverse Reversible De-Identification

Edition: Volume 4 Issue 8, August 2015

Pages: 1188 - 1192

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How to Cite this Article?

Vivek Jaladi, Suhasini Andurey, "Face Obfuscation Based Reversible Watermarking For Lossless Image Compression", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB157554, Volume 4 Issue 8, August 2015, 1188 - 1192

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