Search Results for author: Stefano Nichele

Found 22 papers, 13 papers with code

Information encoding and decoding in in-vitro neural networks on micro electrode arrays through stimulation timing

no code implementations16 Apr 2024 Trym A. E. Lindell, Ola H. Ramstad, Ionna Sandvig, Axel Sandvig, Stefano Nichele

A primary challenge in utilizing in-vitro biological neural networks for computations is finding good encoding and decoding schemes for inputting and decoding data to and from the networks.

Capturing Emerging Complexity in Lenia

1 code implementation16 May 2023 Sanyam Jain, Aarati Shrestha, Stefano Nichele

The platform is important as a tool for studying artificial life and evolution, as it provides a scalable and flexible environment for creating a diverse range of organisms with varying abilities and behaviors.

Artificial Life

Optimization of a Hydrodynamic Computational Reservoir through Evolution

1 code implementation20 Apr 2023 Alessandro Pierro, Kristine Heiney, Shamit Shrivastava, Giulia Marcucci, Stefano Nichele

In this study, we interface with a model of a hydrodynamic system, under development by a startup, as a computational reservoir and optimize its properties using an evolution in materio approach.

Local learning through propagation delays in spiking neural networks

no code implementations27 Oct 2022 Jørgen Jensen Farner, Ola Huse Ramstad, Stefano Nichele, Kristine Heiney

We propose a novel local learning rule for spiking neural networks in which spike propagation times undergo activity-dependent plasticity.

Assessing the robustness of critical behavior in stochastic cellular automata

no code implementations1 Aug 2022 Sidney Pontes-Filho, Pedro Lind, Stefano Nichele

We systematically perturb the probabilities of an optimal stochastic CA known to produce critical behavior, and we report that such a CA is able to remain in a critical regime up to a certain degree of noise.

Towards the Neuroevolution of Low-level Artificial General Intelligence

1 code implementation27 Jul 2022 Sidney Pontes-Filho, Kristoffer Olsen, Anis Yazidi, Michael A. Riegler, Pål Halvorsen, Stefano Nichele

We evaluate a method to evolve a biologically-inspired artificial neural network that learns from environment reactions named Neuroevolution of Artificial General Intelligence (NAGI), a framework for low-level AGI.

Collective control of modular soft robots via embodied Spiking Neural Cellular Automata

1 code implementation5 Apr 2022 Giorgia Nadizar, Eric Medvet, Stefano Nichele, Sidney Pontes-Filho

Voxel-based Soft Robots (VSRs) are a form of modular soft robots, composed of several deformable cubes, i. e., voxels.

A Unified Substrate for Body-Brain Co-evolution

1 code implementation22 Mar 2022 Sidney Pontes-Filho, Kathryn Walker, Elias Najarro, Stefano Nichele, Sebastian Risi

The genome of such a multicellular organism guides the development of its body from a single cell, including its control system.

Towards self-organized control: Using neural cellular automata to robustly control a cart-pole agent

1 code implementation29 Jun 2021 Alexandre Variengien, Stefano Nichele, Tom Glover, Sidney Pontes-Filho

The observations of the environment are transmitted in input cells, while the values of output cells are used as a readout of the system.

Q-Learning

On Artificial Life and Emergent Computation in Physical Substrates

no code implementations9 Sep 2020 Kristine Heiney, Gunnar Tufte, Stefano Nichele

We conclude with a philosophical discussion on what we can learn from approaching computation with the curiosity inherent to the study of artificial life.

Artificial Life Distributed Computing

A deep learning based tool for automatic brain extraction from functional magnetic resonance images in rodents

1 code implementation3 Dec 2019 Sidney Pontes-Filho, Annelene Gulden Dahl, Stefano Nichele, Gustavo Borges Moreno e Mello

In this study, we address this problem by implementing a neural network based method that uses a U-Net architecture to segment the brain area into a mask and removing the skull and other tissues from the image.

Data Augmentation

A general representation of dynamical systems for reservoir computing

1 code implementation3 Jul 2019 Sidney Pontes-Filho, Anis Yazidi, Jianhua Zhang, Hugo Hammer, Gustavo B. M. Mello, Ioanna Sandvig, Gunnar Tufte, Stefano Nichele

The advantages of such implementation are its usage on specialized and optimized deep learning libraries, the capabilities to generalize it to other types of networks and the possibility to evolve cellular automata and other dynamical systems in terms of connectivity, update and learning rules.

DeepTEGINN: Deep Learning Based Tools to Extract Graphs from Images of Neural Networks

no code implementations1 Jul 2019 Gustavo Borges Moreno e Mello, Vibeke Devold Valderhaug, Sidney Pontes-Filho, Evi Zouganeli, Ioanna Sandvig, Stefano Nichele

The goals are to simplify the training and usage of deep learning methods for computer vision and facilitate its integration into graph extraction pipelines.

Anatomy

Ethics of Artificial Intelligence Demarcations

no code implementations23 Apr 2019 Anders Braarud Hanssen, Stefano Nichele

In this paper we present a set of key demarcations, particularly important when discussing ethical and societal issues of current AI research and applications.

Ethics

Evolved Art with Transparent, Overlapping, and Geometric Shapes

1 code implementation12 Apr 2019 Joachim Berg, Nils Gustav Andreas Berggren, Sivert Allergodt Borgeteien, Christian Ruben Alexander Jahren, Arqam Sajid, Stefano Nichele

In this work, an evolutionary art project is presented where images are approximated by transparent, overlapping and geometric shapes of different types, e. g., polygons, circles, lines.

A Conceptual Bio-Inspired Framework for the Evolution of Artificial General Intelligence

1 code implementation25 Mar 2019 Sidney Pontes-Filho, Stefano Nichele

In this work, a conceptual bio-inspired parallel and distributed learning framework for the emergence of general intelligence is proposed, where agents evolve through environmental rewards and learn throughout their lifetime without supervision, i. e., self-learning through embodiment.

Self-Learning Self-Supervised Learning

Achieving Connectivity Between Wide Areas Through Self-Organising Robot Swarm Using Embodied Evolution

no code implementations12 Jul 2018 Erik Aaron Hansen, Stefano Nichele, Anis Yazidi, Hårek Haugerud, Asieh Abolpour Mofrad, Alex Alcocer

Abruptions to the communication infrastructure happens occasionally, where manual dedicated personnel will go out to fix the interruptions, restoring communication abilities.

Artificial Life

Deep Reservoir Computing Using Cellular Automata

no code implementations8 Mar 2017 Stefano Nichele, Andreas Molund

The system comprised of two layered reservoirs do show a noticeable improvement compared to a single CA reservoir.

speech-recognition Speech Recognition

Reservoir Computing Using Non-Uniform Binary Cellular Automata

1 code implementation13 Feb 2017 Stefano Nichele, Magnus S. Gundersen

In this paper, selected state-of-the-art experiments are reproduced.

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