In this paper we present a high-resolution technique to passively sense, detect and recognize a 3D object using computational integral imaging. We show that the use of a non-stationary microlens array improves the longitudinal distance estimation quantization error. The proposed method overcomes the Nyquist upper limit for the resolution. We use 3D non-linear correlation to recognize the 3D coordinates and shape of the desired object.
© 2003 Optical Society of America
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