Design and basic blocks of a neuromorphic VLSI analogue vision system
نویسندگان
چکیده
منابع مشابه
Design and basic blocks of a neuromorphic VLSI analogue vision system
In this paper we present a complete neuromorphic image processing system and we report the development of an integrated CMOS low-power circuit to test the feasibility of its different stages. The image system consists of different parallel-processing stages: phototransduction, non-linear filtering, oscillatory segmentation network and post-processing to extract fundamental characteristics. The ...
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Neuromorphic systems emulate the organization and function of nervous systems. They are usually composed of analogue electronic circuits that are fabricated in the complementary metal-oxide-semiconductor (CMOS) medium using very large-scale integration (VLSI) technology. However, these neuromorphic systems are not another kind of digital computer in which abstract neural networks are simulated ...
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This proposal is the resubmission of an earlier proposal of the same title to EPSRC (Leicester GR/R21424/01, Edinburgh GR/R21448/01, and Warwick GR/R21431/01). In this resubmission we have addressed the points raised by the review panel in terms of the commercial aspects of the project. In particular, we have removed the involvement of all non-UK companies from the project and strengthened the ...
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Vision machines based on actual computational methods require the development of simple low-level feature detectors. The low-level feature detectors measure local image properties as scale, orientation, and velocity. Analog VLSI devices that mimic some functionality of biological systems appear to be robust, low power consuming, and fast enough to solve vision problems in real time. In this the...
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Neuromorphic systems often call for subthreshold operation where transistor mismatch is a particular problem and this mismatch can affect the time constants of the design. This work is an investigation into whether Spike Timing Dependent Plasticity (STDP), a neural algorithm capable of adapting time delays within neural systems, can provide a method to minimise the effect of transistor mismatch...
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ژورنال
عنوان ژورنال: Neurocomputing
سال: 2006
ISSN: 0925-2312
DOI: 10.1016/j.neucom.2005.09.019