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A novel method for digital imaging with the Hadamard transform which is a popular technique in single pixel imaging is proposed. This method is suitable to reduce the number of measurements. In the method, barcode like patterns are used in stead of two dimensional patterns for the Hadamard transform. And then, a set of signal of the transform is obtained by optical measurement and post processing...
Fabrication methods of an artificial scattering medium with controlled scattering coefficient are presented. In the medium, there are many voids fabricated by focused femtosecond laser pulses. The number of voids randomly fabricated in a transparent medium can result in the change of scattering coefficient. We present experimental results of the fabrication of scattering media in polymers. We also...
An experimental evaluation of reduced scattering coefficient in a homogeneous scattering medium is presented. For deriving the reduced scattering coefficient, a scattering coefficient in a weak scattered region is measured by optical coherence tomography and an anisotropic parameter is derived from the measurement of output beam width. The experimental results showed that the proposed method gave...
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