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Pixel-wise coded exposure, as an emerging field of research in computational imaging, is widely implemented in applications such as high-speed imaging, compressive sensing, and focal-stack imaging. In this paper, a complementary metal-oxide-semiconductor (CMOS) pixel design for binary coded exposure is presented. Based on an always-on charge distribution structure, the proposed pixel achieves programmable...
A CMOS pixel design that is capable of spatial-temporal exposure encoding is presented. By integrating selective charge storage units and exposure code memories in an active pixel sensor (APS) structure, the 10 µm×10 μm pixel design performs intermittent exposure according to the received binary exposure codes. Under a 625 nm illumination and with a 3.3 V supply, a 10×10 prototype image sensor fabricated...
Computational imaging has recently attracted much attention due to its excellent potential in delivering advanced capabilities such as motion deblurring and high-speed compressive sensing. However, the development of computational cameras has been limited by the lack of a technology that can efficiently support temporal encoding. Conventionally, temporal encoding is performed by complicated off-chip...
Over the last decade, computational cameras have demonstrated superior performance in a variety of applications. Currently, optical encoding is implemented using components that are typically not integrated on the image sensor chip. This results in camera systems with large physical sizes, performance compromises, and implementation challenges, particularly in applications where size and power are...
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