@inproceedings{zhong_gan_2015, 
  title={Discrete Polar Complex Exponential Transform for Image Rotation Duplication Detection}, 
  DOI={10.14257/astl.2015.81.05}, 
  publisher={Science & Engineering Research Support soCiety}, 
  author={Zhong and Gan}, 
  year={2015}, 
  month={Apr}
  }