High-performance JPEG steganography using quantization index modulation in DCT domain

  • Authors:
  • Hideki Noda;Michiharu Niimi;Eiji Kawaguchi

  • Affiliations:
  • Department of Systems Innovation and Informatics, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka-shi 820-8502, Japan;Department of Systems Innovation and Informatics, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka-shi 820-8502, Japan;Keio University, 2-15-45 Mita, Minato-ku, Tokyo 108-8345, Japan

  • Venue:
  • Pattern Recognition Letters
  • Year:
  • 2006

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Abstract

This paper presents a novel approach to fingerprint alignment based on the optimization of cost functions. The optimization is performed in two stages: the first stage provides a robust initial registration based on non-minutiae features, and the second ...