Improved photo response non-uniformity (PRNU) based source camera identification.

  title={Improved photo response non-uniformity (PRNU) based source camera identification.},
  author={Alan Cooper},
  journal={Forensic science international},
  volume={226 1-3},
The concept of using Photo Response Non-Uniformity (PRNU) as a reliable forensic tool to match an image to a source camera is now well established. Traditionally, the PRNU estimation methodologies have centred on a wavelet based de-noising approach. Resultant filtering artefacts in combination with image and JPEG contamination act to reduce the quality of PRNU estimation. In this paper, it is argued that the application calls for a simplified filtering strategy which at its base level may be… CONTINUE READING
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