Structured Ordinal Features for Appearance-Based Object Representation

@inproceedings{Liao2007StructuredOF,
  title={Structured Ordinal Features for Appearance-Based Object Representation},
  author={Shengcai Liao and Zhen Lei and Stan Z. Li and Xiao-Tong Yuan and Ran He},
  booktitle={AMFG},
  year={2007}
}
In this paper, we propose a novel appearance-based representation, called Structured Ordinal Feature (SOF). SOF is a binary string encoded by combining eight ordinal blocks in a circle symmetrically. SOF is invariant to linear transformations on images and is flexible enough to represent different local structures of different complexity. We further extend SOF to Multi-scale Structured Ordinal Feature (MSOF) by concatenating binary strings of multi-scale SOFs at a fix position. In this way… CONTINUE READING
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