Detecting planar surface using a light-field camera with application to distinguishing real scenes from printed photos

@article{Ghasemi2014DetectingPS,
  title={Detecting planar surface using a light-field camera with application to distinguishing real scenes from printed photos},
  author={Alireza Ghasemi and Martin Vetterli},
  journal={2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  year={2014},
  pages={4588-4592}
}
We propose a novel approach for detecting printed photos from natural scenes using a light-field camera. Our approach exploits the extra information captured by a light-field camera and the multiple views of scene in order to infer a compact feature vector from the variance in the distribution of the depth of the scene. We then use this feature for robust detection of printed photos. Our algorithm can be used in person-based authentication applications to avoid intruding the system using a… CONTINUE READING

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