Watermarking of Raw Digital Images in Camera Firmware: Embedding and Detection

  • Peter Meerwald
  • Andreas Uhl
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5414)

Abstract

In this paper we investigate ‘real-time’ watermarking of single-sensor digital camera images (often called ‘raw’ images) and blind watermark detection in demosaicked images. We describe the software-only implementation of simple additive spread-spectrum embedding in the firmware of a digital camera. For blind watermark detection, we develop a scheme which adaptively combines the polyphase components of the demosaicked image, taking advantage of the interpolated image structure. Experimental results show the benefits of the novel detection approach for several demosaicking techniques.

Keywords

Watermarking demosaicking signal detection firmware 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Peter Meerwald
    • 1
  • Andreas Uhl
    • 1
  1. 1.Dept. of Computer SciencesUniversity of SalzburgSalzburgAustria

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