An Embedded System For An Eye-Detection Sensor

Computer Vision and Image Understanding 98 (2005) 104123 www.elsevier.com/ nurture/cviu An enter system for an eye- catching sensor Arnon Amira,*, Lior Zimetb, Alberto Sangiovanni-Vincentellic, Sean Kaoc b a IBM Almaden Research Center, 650 rag Road, San Jose, CA 95120, the States University of California Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, ground forces c Department of EECS, University of California Berkeley, CA 94720, USA Received 27 July 2004; accepted 27 July 2004 Available online 1 October 2004 Abstract real time eye sensing is fundamental for many HCI applications, including eye-gaze tracking, autostereoscopic displays, video conferencing, count detection, and recognition. Current commercial and look into systems use software instruction execution and require a dedicated computer for the emblem- affect taska large, expensive, and complicated-to-use solution. In put in to make eye-gaze tracking ubiquitous, the system complexity, size, and value must be substantially reduced. This paper presents a hardware-based infix system for eye detection, implemented using simple transparent system gates, with no CPU and no addressable put together bu?ers. The regard-processing algorithmic rule was redesigned to enable highly parallel, single-pass image-processing implementation.

A specimen system uses a CMOS digital imaging sensor and an FPGA for the image processing. It processes 640 · 480 progressive run over frames at a 60 fps rate, and outputs a compact appoint of sub- pel accurate (x, y) eye coordinates via USB communication. experimentation with detection of human eyes and synthetic targets are reported. This upstart lo gic design, operating at the sensorÕs pixel! clock, is suitable for single-chip eye detection and eye-gaze tracking sensors, thus devising an important step towards press production, low cost systems. Ã" 2004 promulgated by Elsevier Inc. Keywords: Eye detection; Eye-gaze tracking; Real-time image processing; FPGA-based image processing; Embedded systems design Corresponding...If you call for to get a full essay, order it on our website: OrderEssay.net

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