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The ambition of brain-inspired Spiking Neural Networks (SNNs) is to become a low-power alternative to traditional Artificial Neural Networks (ANNs). This work addresses two major challenges in realizing this vision: the performance gap…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Man Yao , Xuerui Qiu , Tianxiang Hu , Jiakui Hu , Yuhong Chou , Keyu Tian , Jianxing Liao , Luziwei Leng , Bo Xu , Guoqi Li

Neuromorphic Computing implemented in photonic hardware is one of the most promising routes towards achieving machine learning processing at the picosecond scale, with minimum power consumption. In this work, we present a new concept for…

Emerging Technologies · Computer Science 2022-11-01 K. Sozos , A. Bogris , P. Bienstman , G. Sarantoglou , S. Deligiannidis , C. Mesaritakis

To rapidly process temporal information at a low metabolic cost, biological neurons integrate inputs as an analog sum but communicate with spikes, binary events in time. Analog neuromorphic hardware uses the same principles to emulate…

This paper presents an accurate and robust embedded motor-imagery brain-computer interface (MI-BCI). The proposed novel model, based on EEGNet, matches the requirements of memory footprint and computational resources of low-power…

Signal Processing · Electrical Eng. & Systems 2023-01-18 Xiaying Wang , Michael Hersche , Batuhan Tömekce , Burak Kaya , Michele Magno , Luca Benini

The co-location of memory and processing is a core principle of neuromorphic computing. A local memory device for synaptic weight storage has long been recognized as an enabling element for large-scale, high-performance neuromorphic…

Applied Physics · Physics 2023-11-13 Bryce A. Primavera , Saeed Khan , Richard P. Mirin , Sae Woo Nam , Jeffrey M. Shainline

This paper describes a fully spike-based neural network for optical flow estimation from Dynamic Vision Sensor data. A low power embedded implementation of the method which combines the Asynchronous Time-based Image Sensor with IBM's…

Computer Vision and Pattern Recognition · Computer Science 2017-10-27 Germain Haessig , Andrew Cassidy , Rodrigo Alvarez , Ryad Benosman , Garrick Orchard

We present an analogue Very Large Scale Integration (aVLSI) implementation that uses first-order lowpass filters to implement a conductance-based silicon neuron for high-speed neuromorphic systems. The aVLSI neuron consists of a soma (cell…

Neural and Evolutionary Computing · Computer Science 2015-09-04 Runchun Wang , Chetan Singh Thakur , Tara Julia Hamilton , Jonathan Tapson , Andre van Schaik

Photonic computing chips have made significant progress in accelerating linear computations, but nonlinear computations are usually implemented in the digital domain, which introduces additional system latency and power consumption, and…

We present a scalable in-pixel processing architecture that can reduce the data throughput by 10X and consume less than 30 mW per megapixel at the imager frontend. Unlike the state-of-the-art (SOA) analog process-in-pixel (PIP) that…

Hardware Architecture · Computer Science 2022-10-17 David Zhang , Gooitzen van der Wal , Saurabh Farkya , Thomas Senko , Aswin Raghavan , Michael Isnardi , Michael Piacentino

Spike-based neuromorphic hardware promises to reduce the energy consumption of image classification and other deep learning applications, particularly on mobile phones or other edge devices. However, direct training of deep spiking neural…

Neural and Evolutionary Computing · Computer Science 2021-01-27 Christoph Stöckl , Wolfgang Maass

Spiking Neural Networks (SNNs) are widely deployed to solve complex pattern recognition, function approximation and image classification tasks. With the growing size and complexity of these networks, hardware implementation becomes…

Neurons and Cognition · Quantitative Biology 2019-08-22 Anup Das , Yuefeng Wu , Khanh Huynh , Francesco Dell'Anna , Francky Catthoor , Siebren Schaafsma

Mixed-signal neuromorphic systems represent a promising solution for solving extreme-edge computing tasks without relying on external computing resources. Their spiking neural network circuits are optimized for processing sensory data…

Neural and Evolutionary Computing · Computer Science 2023-07-13 Arianna Rubino , Matteo Cartiglia , Melika Payvand , Giacomo Indiveri

IBM TrueNorth chip uses digital spikes to perform neuromorphic computing and achieves ultrahigh execution parallelism and power efficiency. However, in TrueNorth chip, low quantization resolution of the synaptic weights and spikes…

Neural and Evolutionary Computing · Computer Science 2016-07-19 Wei Wen , Chunpeng Wu , Yandan Wang , Kent Nixon , Qing Wu , Mark Barnell , Hai Li , Yiran Chen

Spike sorting is essential for extracting neuronal information from neural signals and understanding brain function. With the advent of high-density microelectrode arrays (HDMEAs), the challenges and opportunities in multi-channel spike…

Signal Processing · Electrical Eng. & Systems 2024-12-30 Yuntao Han , Shiwei Wang , Alister Hamilton

Due to the high activation sparsity and use of accumulates (AC) instead of expensive multiply-and-accumulates (MAC), neuromorphic spiking neural networks (SNNs) have emerged as a promising low-power alternative to traditional DNNs for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-22 Gourav Datta , Zeyu Liu , Md Abdullah-Al Kaiser , Souvik Kundu , Joe Mathai , Zihan Yin , Ajey P. Jacob , Akhilesh R. Jaiswal , Peter A. Beerel

Low bit-width Quantized Neural Networks (QNNs) enable deployment of complex machine learning models on constrained devices such as microcontrollers (MCUs) by reducing their memory footprint. Fine-grained asymmetric quantization (i.e.,…

Hardware Architecture · Computer Science 2020-10-09 Gianmarco Ottavi , Angelo Garofalo , Giuseppe Tagliavini , Francesco Conti , Luca Benini , Davide Rossi

Brain-inspired spiking neural networks (SNNs) have recently drawn more and more attention due to their event-driven and energy-efficient characteristics. The integration of storage and computation paradigm on neuromorphic hardwares makes…

Neural and Evolutionary Computing · Computer Science 2022-10-14 Yufei Guo , Liwen Zhang , Yuanpei Chen , Xinyi Tong , Xiaode Liu , YingLei Wang , Xuhui Huang , Zhe Ma

Spiking neural networks (SNNs), a brain-inspired computing paradigm, are emerging for their inference performance, particularly in terms of energy efficiency and latency attributed to the plasticity in signal processing. To deploy SNNs in…

Signal Processing · Electrical Eng. & Systems 2024-07-15 Sizhen Bian , Elisa Donati , Michele Magno

Understanding how neural activity gives rise to perception is a central challenge in neuroscience. We address the problem of decoding visual information from high-density intracortical recordings in primates, using the THINGS Ventral Stream…

Neurons and Cognition · Quantitative Biology 2026-01-19 Matteo Ciferri , Matteo Ferrante , Nicola Toschi

Neuromorphic computing, which exploits Spiking Neural Networks (SNNs) on neuromorphic chips, is a promising energy-efficient alternative to traditional AI. CNN-based SNNs are the current mainstream of neuromorphic computing. By contrast, no…

Neural and Evolutionary Computing · Computer Science 2024-04-08 Man Yao , Jiakui Hu , Tianxiang Hu , Yifan Xu , Zhaokun Zhou , Yonghong Tian , Bo Xu , Guoqi Li