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An intelligent readout integrated circuit (iROIC) with on-chip local gradient operations | IEEE Conference Publication | IEEE Xplore

An intelligent readout integrated circuit (iROIC) with on-chip local gradient operations


Abstract:

An intelligent readout integrated circuit (iROIC) capable of pixel-level local gradient operations is presented in this paper. Unlike conventional ROICs whose task is to ...Show More

Abstract:

An intelligent readout integrated circuit (iROIC) capable of pixel-level local gradient operations is presented in this paper. Unlike conventional ROICs whose task is to simply read the pixels and send their raw outputs serially to a computer port, the proposed iROIC performs some essential tasks at pixel-level within the readout circuit, eliminating the need for raw data transmission/conversion/processing externally. The new iROIC uses a bidirectional integrator and a pair of switches to enable gradient operations within a pixel, with minimal overhead. As an enabler example, a real-time texture-based infrared face recognition algorithm is implemented utilizing the proposed iROIC with on-chip local gradient operations. The system successfully achieves a 96.95% correct hit rate over 636 infrared images of 53 individuals.
Date of Conference: 05-08 December 2017
Date Added to IEEE Xplore: 15 February 2018
ISBN Information:
Conference Location: Batumi, Georgia

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