Feedback design of spatially-distributed filters with tunable resolution
Optimization and Control
2021-06-07 v1 Pattern Formation and Solitons
Neurons and Cognition
Abstract
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.
Cite
@article{arxiv.2106.02583,
title = {Feedback design of spatially-distributed filters with tunable resolution},
author = {Alessio Franci},
journal= {arXiv preprint arXiv:2106.02583},
year = {2021}
}