Building fingerprints with information from three color bands for source camera identification

  • Authors:
  • Yongjian Hu;Chang-Tsun Li;Chao Jian

  • Affiliations:
  • South China University of Technology, Guangzhou, China;University of Warwick, Coventry, United Kingdom;South China University of Technology, Guangzhou, China

  • Venue:
  • Proceedings of the 2nd ACM workshop on Multimedia in forensics, security and intelligence
  • Year:
  • 2010

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Abstract

The imaging sensor (e.g., CCD, CMOS) pattern noise is a noise-like spread-spectrum signal that mainly consists of the photo-response non-uniformity (PRNU) noise. Since each camera has a unique PRNU, the PRNU becomes a popular fingerprint for source camera identification. Current fingerprints are built based on one color band. To better reflect the intrinsic characteristics of the camera, this work explores the way to build fingerprints based on three color bands of an image.