Double stochastic resonance induced by varying potential-well depth and width

Z Qiao, J Liu, X Ma, J Liu - Journal of the Franklin Institute, 2021 - Elsevier
The role of potential-well depth and width on stochastic resonance (SR) driven by colored
noise with different noise correlation times is explored and evaluated by deriving the analytic …

Stochastic resonance induced weak signal enhancement over controllable potential-well asymmetry

J Liu, Z Qiao, X Ding, B Hu, C Zang - Chaos, Solitons & Fractals, 2021 - Elsevier
A dynamical model submerged in two colored multiplicative and additive noises by colored
cross-correlation is established to elaborate controllable asymmetric potential-well with …

Noise-boosted backpropagation learning of feedforward threshold neural networks for function approximation

L Duan, F Duan, F Chapeau-Blondeau… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Aiming to ensure the feasibility of the backpropagation training of feedforward threshold
neural networks, each hidden unit layer is designed to be composed of a sufficiently large …

[HTML][HTML] Stochastic resonance in Hopfield neural networks for transmitting binary signals

L Duan, F Duan, F Chapeau-Blondeau, D Abbott - Physics Letters A, 2020 - Elsevier
We investigate the stochastic resonance phenomenon in a discrete Hopfield neural network
for transmitting binary amplitude modulated signals, wherein the binary information is …

[HTML][HTML] Enhancing threshold neural network via suprathreshold stochastic resonance for pattern classification

X Liu, L Duan, F Duan, F Chapeau-Blondeau, D Abbott - Physics Letters A, 2021 - Elsevier
Hard-threshold nonlinearities are of significant interest for neural-network information
processing due to their simplicity and low-cost implementation. They however lack an …

Nonlinear resonance decomposition for weak signal detection

Z Qiao, J Liu, X Xu, A Yin, X Shu - Review of Scientific Instruments, 2021 - pubs.aip.org
This paper attempts to investigate the behaviors of coupling stochastic resonance (CSR)
subject to α-stable noise and a periodic signal by using the residence-time ratio. Then, a …

Signal estimation and filtering from quantized observations via adaptive stochastic resonance

F Li, F Duan, F Chapeau-Blondeau, D Abbott - Physical Review E, 2021 - APS
Using a gradient-based algorithm, we investigate signal estimation and filtering in a large-
scale summing network of single-bit quantizers. Besides adjusting weights, the proposed …

A parallel algorithm of image mean filtering based on OpenCL

H **ao, B Guo, H Zhang, C Li - IEEE Access, 2021 - ieeexplore.ieee.org
The image will be contaminated by noise during the imaging process, which severely
degrades the image quality. It is necessary to filter the collected image. With the increasing …

Stochastic resonance in a delay-controlled dissipative bistable potential for weak signal enhancement

J Liu, B Hu, F Yang, C Zang, X Ding - Communications in Nonlinear …, 2020 - Elsevier
This paper attempts to investigate the stochastic resonance (SR) phenomenon in a delay-
controlled dissipative bistable potential with time-delayed feedback under the action of …

SNR gain enhancement in a generalized matched filter using artificial optimal noise

Y Ren, Y Pan, F Duan - Chaos, Solitons & Fractals, 2022 - Elsevier
For a weak signal buried in a given background noisy environment, a generalized matched
filter composed of nonlinearities and weight coefficients is investigated by exploring the …