Scale-invariant representation of light field images for object recognition and tracking

@inproceedings{Ghasemi2013ScaleinvariantRO,
  title={Scale-invariant representation of light field images for object recognition and tracking},
  author={Alireza Ghasemi and Martin Vetterli},
  booktitle={Computational Imaging},
  year={2013}
}
We propose a scale-invariant feature descriptor for representation of light-field images. The proposed descriptor can significantly improve tasks such as object recognition and tracking on images taken with recently popularized light field cameras. We test our proposed representation using various light field images of different types, both synthetic and real. Our experiments show very promising results in terms of retaining invariance under various scaling transformations. 
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