Band pass; Distributed filters; Feed-back designs; Feedback loops; Feedback structure; Filter designs; Gain tuning; Temporal stability; Tunables; Tuning rules; Control and Systems Engineering; Modeling and Simulation; Control and Optimization
Abstract :
[en] We derive gain-tuning rules for the positive and negative spatial-feedback loops of a spatially-distributed filter to change the resolution of its spatial band-pass characteristic accordingly to a wavelet zoom, while preserving temporal stability. The filter design is inspired by the canonical spatial feedback structure of the primary visual cortex and is motivated by understanding attentional control of visual resolution. Besides biology, our control-theoretical design strategy is relevant for the development of neuromorphic multiresolution distributed sensors through the feedback interconnection of elementary spatial transfer functions and gain tuning.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Franci, Alessio ; Université de Liège - ULiège > Département d'électricité, électronique et informatique (Institut Montefiore) > Brain-Inspired Computing ; Ciudad Universitaria, National Autonomous University of Mexico, Department of Mathematics, Mexico City, Mexico
Language :
English
Title :
Feedback design of spatially-distributed filters with tunable resolution
Publication date :
2021
Event name :
2021 60th IEEE Conference on Decision and Control (CDC)
Event place :
Austin, Usa
Event date :
13-12-2021 => 17-12-2021
Audience :
International
Main work title :
60th IEEE Conference on Decision and Control, CDC 2021
Publisher :
Institute of Electrical and Electronics Engineers Inc.
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