Shift-invariant three-dimensional object recognition by means of digital holography.

  title={Shift-invariant three-dimensional object recognition by means of digital holography.},
  author={Enrique Tajahuerce and Osamu Matoba and Bahram Javidi},
  journal={Applied optics},
  volume={40 23},
We present an optoelectronic method to analyze three-dimensional (3D) scenes that is able to detect the presence, and also the position and orientation, of a reference 3D object. The data-acquisition procedure is based on digital holography. A phase-shifting interferometer records a single digital Fresnel hologram of the 3D scene with an intensity-recording device. Holographic information of the 3D reference object is also obtained with the same method. Correlation techniques are then applied… CONTINUE READING
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