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Finding an interpretable non-redundant representation of real-world data is one of the key problems in Machine Learning. Biological neural networks are known to solve this problem quite well in unsupervised manner, yet unsupervised…

Machine Learning · Computer Science 2020-10-13 Denis Kuzminykh , Laida Kushnareva , Timofey Grigoryev , Alexander Zatolokin

The event streams generated by dynamic vision sensors (DVS) are sparse and non-uniform in the spatial domain, while still dense and redundant in the temporal domain. Although spiking neural network (SNN), the event-driven neuromorphic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Yuan Zhang , Jian Cao , Ling Zhang , Jue Chen , Wenyu Sun , Yuan Wang

The human brain is a complex spiking neural network (SNN), capable of learning multimodal signals in a zero-shot manner by generalizing existing knowledge. Remarkably, it maintains minimal power consumption through event-based signal…

We present a new flavor of Variational Autoencoder (VAE) that interpolates seamlessly between unsupervised, semi-supervised and fully supervised learning domains. We show that unlabeled datapoints not only boost unsupervised tasks, but also…

Machine Learning · Computer Science 2019-11-15 Felix Berkhahn , Richard Keys , Wajih Ouertani , Nikhil Shetty , Dominik Geißler

Interpretable machine learning is rapidly becoming a crucial tool for scientific discovery. Among existing approaches, variational autoencoders (VAEs) have shown promise in extracting the hidden physical features of some input data, with no…

Event-driven sensors such as LiDAR and dynamic vision sensor (DVS) have found increased attention in high-resolution and high-speed applications. A lot of work has been conducted to enhance recognition accuracy. However, the essential topic…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Shibo Zhou , Wei Wang , Xiaohua Li , Zhanpeng Jin

The neural dynamics underlying brain activity are critical to understanding cognitive processes and mental disorders. However, current voxel-based whole-brain dimensionality reduction techniques fall short of capturing these dynamics,…

Neurons and Cognition · Quantitative Biology 2023-05-25 Eloy Geenjaar , Donghyun Kim , Riyasat Ohib , Marlena Duda , Amrit Kashyap , Sergey Plis , Vince Calhoun

Autonomous driving perception demands accurate and efficient processing of three-dimensional sensor data under strict power constraints. Traditional convolutional neural networks achieve strong detection accuracy but are computationally…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Sambit Mohapatra , Senthil Yogamani , Heinrich Gotzig , Patrick Mader

In computer vision research, the process of automating architecture engineering, Neural Architecture Search (NAS), has gained substantial interest. In the past, NAS was hardly accessible to researchers without access to large-scale compute…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 David Friede , Jovita Lukasik , Heiner Stuckenschmidt , Margret Keuper

Characterizing the neural encoding of behavior remains a challenging task in many research areas due in part to complex and noisy spatiotemporal dynamics of evoked brain activity. An important aspect of modeling these neural encodings…

Neural and Evolutionary Computing · Computer Science 2019-01-15 Pengfei Sun , David A. Moses , Edward Chang

In recent years, speech emotion recognition (SER) has been used in wide ranging applications, from healthcare to the commercial sector. In addition to signal processing approaches, methods for SER now also use deep learning techniques which…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-29 Sneha Das , Nicole Nadine Lønfeldt , Anne Katrine Pagsberg , Line H. Clemmensen

Neuromorphic hardware aims to leverage distributed computing and event-driven circuit design to achieve an energy-efficient AI system. The name "neuromorphic" is derived from its spiking and local computing nature, which mimics the…

Neural and Evolutionary Computing · Computer Science 2025-06-24 Zhenhui Chen , Haoran Xu , Yangfan Hu , Xiaofei Jin , Xinyu Li , Ziyang Kang , Gang Pan , De Ma

I present a Variational Autoencoder (VAE) trained on collider physics data (specifically boosted $W$ jets), with reconstruction error given by an approximation to the Earth Movers Distance (EMD) between input and output jets. This VAE…

High Energy Physics - Phenomenology · Physics 2022-04-20 Jack H. Collins

Spiking Neural Networks (SNN) are the so-called third generation of neural networks which attempt to more closely match the functioning of the biological brain. They inherently encode temporal data, allowing for training with less energy…

Computer Vision and Pattern Recognition · Computer Science 2021-05-17 Chethan M. Parameshwara , Simin Li , Cornelia Fermüller , Nitin J. Sanket , Matthew S. Evanusa , Yiannis Aloimonos

Convolutional neural networks (CNNs) are now the de facto solution for computer vision problems thanks to their impressive results and ease of learning. These networks are composed of layers of connected units called artificial neurons,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Loïc Cordone , Benoît Miramond , Sonia Ferrante

Variational autoencoders (VAEs) are a popular generative model used to approximate distributions. The encoder part of the VAE is used in amortized learning of latent variables, producing a latent representation for data samples. Recently,…

Machine Learning · Statistics 2023-05-12 Daniel G. Edelberg , Roy R. Lederman

Latent variable models such as the Variational Auto-Encoder (VAE) have become a go-to tool for analyzing biological data, especially in the field of single-cell genomics. One remaining challenge is the interpretability of latent variables…

Genomics · Quantitative Biology 2023-02-20 Romain Lopez , Nataša Tagasovska , Stephen Ra , Kyunghyn Cho , Jonathan K. Pritchard , Aviv Regev

Detecting navigable space is a fundamental capability for mobile robots navigating in unknown or unmapped environments. In this work, we treat visual navigable space segmentation as a scene decomposition problem and propose Polyline…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Zheng Chen , Zhengming Ding , David Crandall , Lantao Liu

Recently, audio-visual speech enhancement has been tackled in the unsupervised settings based on variational auto-encoders (VAEs), where during training only clean data is used to train a generative model for speech, which at test time is…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Mostafa Sadeghi , Xavier Alameda-Pineda

This paper introduces a novel "all-spike" low-power solution for remote wireless inference that is based on neuromorphic sensing, Impulse Radio (IR), and Spiking Neural Networks (SNNs). In the proposed system, event-driven neuromorphic…

Neural and Evolutionary Computing · Computer Science 2020-09-04 Nicolas Skatchkovsky , Hyeryung Jang , Osvaldo Simeone