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Energy efficiency and reliability have long been crucial factors for ensuring cost-effective and safe missions in autonomous systems computers. With the rapid evolution of industries such as space robotics and advanced air mobility, the…

Machine Learning · Computer Science 2023-07-18 Reza Ahmadvand , Sarah Safura Sharif , Yaser Mike Banad

We investigate how the activation function can be used to describe neural firing in an abstract way, and in turn, why it works well in artificial neural networks. We discuss how a spike in a biological neurone belongs to a particular…

Neurons and Cognition · Quantitative Biology 2022-12-27 Dalton A R Sakthivadivel

Attention Branch Networks (ABNs) have been shown to simultaneously provide visual explanation and improve the performance of deep convolutional neural networks (CNNs). In this work, we introduce Multi-Scale Attention Branch Networks…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Ankit Gupta , Ida-Maria Sintorn

Sparse Attention Vectors (SAVs) have emerged as an excellent training-free alternative to supervised finetuning or low-rank adaptation to improve the performance of Vision Language Models (VLMs). At their heart, SAVs select a few accurate…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Pierre Musacchio , Jaeyi Jeong , Dahun Kim , Jaesik Park

Despite Neural Radiance Fields (NeRF) showing compelling results in photorealistic novel views synthesis of real-world scenes, most existing approaches require accurate prior camera poses. Although approaches for jointly recovering the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Shin-Fang Chng , Sameera Ramasinghe , Jamie Sherrah , Simon Lucey

Sleep plays an important role in incremental learning and consolidation of memories in biological systems. Motivated by the processes that are known to be involved in sleep generation in biological networks, we developed an algorithm that…

Neural and Evolutionary Computing · Computer Science 2019-08-07 Giri P Krishnan , Timothy Tadros , Ramyaa Ramyaa , Maxim Bazhenov

In this paper we present a modified version of the Hyperbolic Tangent Activation Function as a learning unit generator for neural networks. The function uses an integer calibration constant as an approximation to the Euler number, e, based…

Neural and Evolutionary Computing · Computer Science 2017-07-06 Vincent Ike Anireh , Emmanuel Ndidi Osegi

Detecting and mitigating Radio Frequency Interference (RFI) is critical for enabling and maximising the scientific output of radio telescopes. The emergence of machine learning methods has led to their application in radio astronomy, and in…

Instrumentation and Methods for Astrophysics · Physics 2026-01-23 Nicholas J. Pritchard , Andreas Wicenec , Mohammed Bennamoun , Richard Dodson

This paper investigates the approximation properties of shallow neural networks with activation functions that are powers of exponential functions. It focuses on the dependence of the approximation rate on the dimension and the smoothness…

Machine Learning · Computer Science 2025-10-22 Jian Lu , Xiaohuang Huang

The use of learning-based methods for optimizing cellular radio access networks (RAN) has received increasing attention in recent years. This coincides with a rapid increase in the number of cell sites worldwide, driven largely by dramatic…

Machine Learning · Computer Science 2024-08-14 Jimmy Li , Igor Kozlov , Di Wu , Xue Liu , Gregory Dudek

In this paper, we leverage the efficiency of Binarized Neural Networks (BNNs) to learn complex state transition models of planning domains with discretized factored state and action spaces. In order to directly exploit this transition…

Artificial Intelligence · Computer Science 2020-03-09 Buser Say , Scott Sanner

The choice of activation function is an active area of research, with different proposals aimed at improving optimization, while maintaining expressivity. Additionally, the activation function can significantly alter the implicit inductive…

Machine Learning · Computer Science 2026-02-06 Alex Vitvitskyi , Michael Boratko , Matej Grcic , Razvan Pascanu , Deep Shah , Petar Veličković

The design of activation functions is a growing research area in the field of neural networks. In particular, instead of using fixed point-wise functions (e.g., the rectified linear unit), several authors have proposed ways of learning…

Machine Learning · Computer Science 2019-01-30 Simone Scardapane , Elena Nieddu , Donatella Firmani , Paolo Merialdo

Statistical analysis (SA) is a complex process to deduce population properties from analysis of data. It usually takes a well-trained analyst to successfully perform SA, and it becomes extremely challenging to apply SA to big data…

Machine Learning · Statistics 2017-08-11 Rongrong Zhang , Wei Deng , Michael Yu Zhu

Inspired by the importance of both communication and feedback on errors in human learning, our main goal was to implement a similar mechanism in supervised learning of artificial neural networks. The starting point in our study was the…

Neural and Evolutionary Computing · Computer Science 2014-08-05 I. V. Grossu , C. I. Ciuluvica

Thermally Activated Delayed Fluorescence (TADF) emitters must satisfy two competing requirements: small singlet-triplet energy gaps for thermal upconversion and sufficient spin-orbit coupling for fast reverse intersystem crossing.…

A main focus of machine learning research has been improving the generalization accuracy and efficiency of prediction models. Many models such as SVM, random forest, and deep neural nets have been proposed and achieved great success.…

Artificial Intelligence · Computer Science 2016-11-04 Qiang Lyu , Yixin Chen , Zhaorong Li , Zhicheng Cui , Ling Chen , Xing Zhang , Haihua Shen

We present the first results of a program to identify so far unknown active nuclei (AGN) in galaxies. Candidate galactic nuclei have been selected for optical spectroscopy from a cross-correlation of the ROSAT All Sky Survey (RASS) bright…

Astrophysics · Physics 2007-05-23 W. Pietsch , Th. Boller , S. Doebereiner , H. -U. Zimmermann , K. Bischoff , W. Kollatschny

We provide a causal analysis of Binary Spiking Neural Networks (BSNNs) to explain their behavior. We formally define a BSNN and represent its spiking activity as a binary causal model. Thanks to this causal representation, we are able to…

Artificial Intelligence · Computer Science 2026-05-01 Aditya Kar , Emiliano Lorini , Timothée Masquelier

Saliency methods have become standard in the explanation toolkit of deep neural networks. Recent developments specific to image classifiers have investigated region-based explanations with either new methods or by adapting well-established…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Ahcène Boubekki , Samuel G. Fadel , Sebastian Mair