Search Results for author: Dennis Gramlich

Found 6 papers, 3 papers with code

Lipschitz constant estimation for general neural network architectures using control tools

1 code implementation2 May 2024 Patricia Pauli, Dennis Gramlich, Frank Allgöwer

This paper is devoted to the estimation of the Lipschitz constant of neural networks using semidefinite programming.

State space representations of the Roesser type for convolutional layers

no code implementations18 Mar 2024 Patricia Pauli, Dennis Gramlich, Fran Allgöwer

For this reason, we explicitly provide a state space representation of the Roesser type for 2-D convolutional layers with $c_\mathrm{in}r_1 + c_\mathrm{out}r_2$ states, where $c_\mathrm{in}$/$c_\mathrm{out}$ is the number of input/output channels of the layer and $r_1$/$r_2$ characterizes the width/length of the convolution kernel.

Convolutional Neural Networks as 2-D systems

no code implementations6 Mar 2023 Dennis Gramlich, Patricia Pauli, Carsten W. Scherer, Frank Allgöwer, Christian Ebenbauer

This paper introduces a novel representation of convolutional Neural Networks (CNNs) in terms of 2-D dynamical systems.

Lipschitz constant estimation for 1D convolutional neural networks

no code implementations28 Nov 2022 Patricia Pauli, Dennis Gramlich, Frank Allgöwer

In this work, we propose a dissipativity-based method for Lipschitz constant estimation of 1D convolutional neural networks (CNNs).

Neural network training under semidefinite constraints

1 code implementation3 Jan 2022 Patricia Pauli, Niklas Funcke, Dennis Gramlich, Mohamed Amine Msalmi, Frank Allgöwer

This paper is concerned with the training of neural networks (NNs) under semidefinite constraints, which allows for NN training with robustness and stability guarantees.

Linear systems with neural network nonlinearities: Improved stability analysis via acausal Zames-Falb multipliers

1 code implementation31 Mar 2021 Patricia Pauli, Dennis Gramlich, Julian Berberich, Frank Allgöwer

In this paper, we analyze the stability of feedback interconnections of a linear time-invariant system with a neural network nonlinearity in discrete time.

Computational Efficiency

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