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We have developed an imaging system comprised of a sensor having White-RGB color filter array and back end image processing chain (IPC) that enables seamless integration with existing imaging solutions.
This paper proposes two-layer color filter array to obtain a high quality image and demosaic algorithms to interpolate the proposed two-layer color filter array. Although demosaic and color filter array design methods have been improved together, recent research results have shown the performance saturation since the sub-sampling of color channels is… (More)
A highly compact ambient-light-cancellation (ALC) circuit for 3D time-of-flight (ToF) image sensor pixels is presented. It is implemented in a 320x240 pixel (QVGA) sensor with 14um pixel pitch in a 90 nm backside illumination (BSI) image sensor process. The ALC circuit has less than 3% fill factor impact and is very suitable for scaling to smaller pixels.… (More)