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Time multiplexing super resolution using a Barker-based array
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DOI：10.1364/OL.40.000163.png)
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Abstract
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We propose the use of a new encoding mask in order to improve the performance of the conventional time multiplexing super resolution method. The resolution improvement is obtained using a 2D Barker-based array that is placed upon the object and shifted laterally. The Barker-based array is a 2D generalization of the standard 1D Barker code. The Barker-based array has stable autocorrelation sidelobes, making it ideal for the encoding process. A sequence of low resolution images are captured at different positions of the array, and are decoded properly using the same array. After removing the low resolution image from the resulting reconstruction, a high resolution image is established. The proposed method is presented analytically, demonstrated via numerical simulation, and validated by laboratory experiment. (C) 2015 Optical Society of America
Keywords:
OPTICAL-SYSTEM
SUPERRESOLUTION
IMAGE
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