Acknowledgements This work was supported by the National Natural Science Foundation of China (Grant No. 60905019), National High-tech R&D Program of China (2012AA011503), Tianjin Key Technologies R&D program (11ZCKFGX00800), Tsinghua-Tencent Joint Laboratory for lnternet Innovation Technology, SKL of CG&CAD, and Strategic and Pilot Project of CAS (XDA06030601).
In this work, we propose several new methods for detecting photographic composites using circles. In particular, we focus on three kinds of scenes: (1) two coplanar circles with the same radius; (2) a single circ...