分辨率可调的空间分布滤波器的反馈设计
Feedback design of spatially-distributed filters with tunable resolution
摘要：
我们推导出空间分布滤波器的正负空间反馈回路的增益调整规则，以改变其空间带通特性的分辨率，同时保持时间稳定性。滤波器设计的灵感来自于初级视觉皮层的规范空间反馈结构，并受到理解视觉分辨率的注意力控制的激励。除了生物学，我们的控制理论的设计策略是相关的神经形态多分辨率分布式传感器的发展，通过反馈互连的基本空间传递函数和增益调谐。
英文摘要：
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.
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