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A 110 × 64 pixel CMOS image sensor integrated with pixelated spectral interference filters is used for image guided surgery. The sensor operates with short exposure times for capturing visible light using blue, green, and red pixelated interference filters, and long exposure time for capturing near-infrared fluorescence with a co-located, pixelated NIR filter. The sensor was used to successfully detect...
CMOS Polarization image sensors can detect the polarization of an incident light, from which a lot of information can be derived about the properties and shape of the images objects. This paper proposes a current mode polarization analyzer, based on a three-parameter polarization analysis methodology. The procedure of the calculation of the intensity, polarization degree, and the polarization angle...
In this paper, a bioinspired monolithic complementary metal–oxide–semiconductor (CMOS) polarization image sensor is described as a solution to real-time polarization image capture. Metallic wire-grid gratings are integrated onto standard CMOS image sensor arrays with different orientations. A numerical analysis is performed to guide the design of the wire-grid arrays. Experimental results from different...
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