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Authors: David Gibson 1 ; Henk Muller 2 and Neill Campbell 1

Affiliations: 1 University of Bristol, United Kingdom ; 2 XMOS Ltd, United Kingdom

Keyword(s): Motion Detection, Programmable Sensors, Low Memory.

Related Ontology Subjects/Areas/Topics: Detection and Estimation ; Digital Signal Processing ; Embedded Communications Systems ; Image and Multidimensional Signal Processing ; Low-Power Electronics ; Real-Time Systems ; Telecommunications

Abstract: In this paper we propose that the combination of a state-of-the-art high frequency, low energy demanding microprocessor architecture combined with a highly programmable image sensor can offer a substantial reduction in cost and energy requirement when carrying out low-level visual event detection and object tracking. The XMOS microprocessor consists of a single or multi-core concurrent architecture that runs at between 400 and 1600 MIPS with 64KB per-core of on chip RAM. Modern highly programmable image sensors such as the Kodak KAC-401 can capture regions-of-interest (ROI) at rates in excess of 1500fps. To compare the difference between two 320 by 240 pixel images one would usually require 150KB of RAM, by combining the above components as a computational camera this constraint can be overcome. In the proposed system the microprocessor programs the sensor to capture images as a sequence of high frame rate regions-of-interest. These regions can be processed to determine the presence of motion as differences of ROIs over time. By providing additional cores extensive image processing can be carried out and ROI pixels can be composited onto an LCD to give output images of 320 by 240 pixels at near standard frame rates. (More)

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Paper citation in several formats:
Gibson, D.; Muller, H. and Campbell, N. (2012). ADAPTIVE IMAGE SENSOR SAMPLING FOR LIMITED MEMORY MOTION DETECTION. In Proceedings of the 2nd International Conference on Pervasive Embedded Computing and Communication Systems - PECCS; ISBN 978-989-8565-00-6; ISSN 2184-2817, SciTePress, pages 399-402. DOI: 10.5220/0003824603990402

@conference{peccs12,
author={David Gibson. and Henk Muller. and Neill Campbell.},
title={ADAPTIVE IMAGE SENSOR SAMPLING FOR LIMITED MEMORY MOTION DETECTION},
booktitle={Proceedings of the 2nd International Conference on Pervasive Embedded Computing and Communication Systems - PECCS},
year={2012},
pages={399-402},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003824603990402},
isbn={978-989-8565-00-6},
issn={2184-2817},
}

TY - CONF

JO - Proceedings of the 2nd International Conference on Pervasive Embedded Computing and Communication Systems - PECCS
TI - ADAPTIVE IMAGE SENSOR SAMPLING FOR LIMITED MEMORY MOTION DETECTION
SN - 978-989-8565-00-6
IS - 2184-2817
AU - Gibson, D.
AU - Muller, H.
AU - Campbell, N.
PY - 2012
SP - 399
EP - 402
DO - 10.5220/0003824603990402
PB - SciTePress

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