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  • Zhengyou Zhang
  • Computer Science
  • IEEE Trans. Pattern Anal. Mach. Intell.
  • 2000 (First Publication: 1 November 2000)
  • We propose a flexible technique to easily calibrate a camera. It only requires the camera to observe a planar pattern shown at a few (at least two) different orientations. Either the camera or theExpand
  • Zhengyou Zhang
  • Computer Science
  • IEEE Multim.
  • 2012 (First Publication: 1 April 2012)
  • Recent advances in 3D depth cameras such as Microsoft Kinect sensors (www.xbox.com/en-US/kinect) have created many opportunities for multimedia computing. The Kinect sensor lets the computer directlyExpand
  • Zhengyou Zhang, Rachid Deriche, Olivier D. Faugeras, Quang-Tuan Luong
  • Mathematics, Computer Science
  • Artif. Intell.
  • 1995 (First Publication: 15 October 1995)
  • Abstract This paper proposes a robust approach to image matching by exploiting the only available geometric constraint, namely, the epipolar constraint. The images are uncalibrated, namely the motionExpand
  • Zhengyou Zhang, Michael J. Lyons, Michael Schuster, Shigeru Akamatsu
  • Computer Science
  • Proceedings Third IEEE International Conference…
  • 1998 (First Publication: 14 April 1998)
  • The authors investigate the use of two types of features extracted from face images for recognizing facial expressions. The first type is the geometric positions of a set of fiducial points on aExpand