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Three-Dimensional Object Recognition With Multiview Photon-Counting Sensing and Imaging

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2 Author(s)
Cuong Manh Do ; Electr. & Comput. Eng. Dept., Univ. of Connecticut, Storrs, CT, USA ; Javidi, B.

We present a method for photon-counting sensing with three-dimensional (3-D) integral imaging for object recognition using independent component analysis (ICA). A lenslet array is used to capture multiple perspective images of a 3-D scene projected onto an image sensor. Photon-counting images of the captured elemental images are generated using a Poisson distribution. A kurtosis-maximization-based algorithm is used as a non-Gaussian maximization method to extract independent features from the photon-counting training data set. The photon-counting image data are preprocessed using principal component analysis to reduce the number of dimensions, increase the speed of the ICA step, and improve the classification performance. A photon-counting image of unknown input scene is classified using k-nearest neighbor and cosine angle metrics. Experimental results are presented, and the probability of classification errors is measured.

Published in:

Photonics Journal, IEEE  (Volume:1 ,  Issue: 1 )

Date of Publication:

June 2009

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