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Metasurfaces have provided a novel and promising platform for the realization of compact and large-scale optical devices. The conventional metasurface design approach assumes periodic boundary conditions for each element, which is…

Decoding speech from brain activity is a long-awaited goal in both healthcare and neuroscience. Invasive devices have recently led to major milestones in that regard: deep learning algorithms trained on intracranial recordings now start to…

音频与语音处理 · 电气工程与系统科学 2023-10-06 Alexandre Défossez , Charlotte Caucheteux , Jérémy Rapin , Ori Kabeli , Jean-Rémi King

Deep learning (DL) models find increasing application in mental state decoding, where researchers seek to understand the mapping between mental states (e.g., perceiving fear or joy) and brain activity by identifying those brain regions (and…

神经元与认知 · 定量生物学 2022-10-17 Armin W. Thomas , Christopher Ré , Russell A. Poldrack

Decoding visual stimuli from neural population activity is crucial for understanding the brain and for applications in brain-machine interfaces. However, such biological data is often scarce, particularly in primates or humans, where…

机器学习 · 计算机科学 2025-10-24 Jan Sobotka , Luca Baroni , Ján Antolík

In cognitive decoding, researchers aim to characterize a brain region's representations by identifying the cognitive states (e.g., accepting/rejecting a gamble) that can be identified from the region's activity. Deep learning (DL) methods…

机器学习 · 计算机科学 2021-08-17 Armin W. Thomas , Christopher Ré , Russell A. Poldrack

This paper presents a novel approach towards creating a foundational model for aligning neural data and visual stimuli across multimodal representationsof brain activity by leveraging contrastive learning. We used electroencephalography…

计算机视觉与模式识别 · 计算机科学 2024-11-18 Matteo Ferrante , Tommaso Boccato , Grigorii Rashkov , Nicola Toschi

Pedestrian behavior prediction is one of the major challenges for intelligent driving systems. Pedestrians often exhibit complex behaviors influenced by various contextual elements. To address this problem, we propose BiPed, a multitask…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Amir Rasouli , Mohsen Rohani , Jun Luo

Humans regularly navigate an overwhelming amount of information via text media, whether reading articles, browsing social media, or interacting with chatbots. Confusion naturally arises when new information conflicts with or exceeds a…

Understanding the neural mechanisms responsible for human social interactions is difficult, since the brain activities of two or more individuals have to be examined simultaneously and correlated with the observed social patterns. We…

物理与社会 · 物理学 2011-01-28 F. De Vico Fallani , V. Nicosia , R. Sinatra , L. Astolfi , F. Cincotti , D. Mattia , C. Wilke , A. Doud , V. Latora , B. He , F. Babiloni

The recent explosion of interest in multimodal applications has resulted in a wide selection of datasets and methods for representing and integrating information from different modalities. Despite these empirical advances, there remain…

Recent advances in Multimodal Large Language Models (MLLMs) have shown impressive reasoning capabilities across vision-language tasks, yet still face the challenge of compute-difficulty mismatch. Through empirical analyses, we identify that…

机器学习 · 计算机科学 2026-03-17 Huijie Guo , Jingyao Wang , Lingyu Si , Jiahuan Zhou , Changwen Zheng , Wenwen Qiang

The precise timing of spikes emitted by neurons plays a crucial role in shaping the response of efferent biological neurons. This temporal dimension of neural activity holds significant importance in understanding information processing in…

神经元与认知 · 定量生物学 2023-07-27 Antoine Grimaldi , Laurent U Perrinet

Brain decoding, aiming to identify the brain states using neural activity, is important for cognitive neuroscience and neural engineering. However, existing machine learning methods for fMRI-based brain decoding either suffer from low…

神经元与认知 · 定量生物学 2022-10-13 Ziyuan Ye , Youzhi Qu , Zhichao Liang , Mo Wang , Quanying Liu

Neural networks rely on learning synaptic weights. However, this overlooks other neural parameters that can also be learned and may be utilized by the brain. One such parameter is the delay: the brain exhibits complex temporal dynamics with…

神经与进化计算 · 计算机科学 2025-11-03 Pengfei Sun , Jascha Achterberg , Zhe Su , Dan F. M. Goodman , Danyal Akarca

Multimodal meta-learning is a recent problem that extends conventional few-shot meta-learning by generalizing its setup to diverse multimodal task distributions. This setup makes a step towards mimicking how humans make use of a diverse set…

机器学习 · 计算机科学 2021-10-28 Milad Abdollahzadeh , Touba Malekzadeh , Ngai-Man Cheung

Brain decoding is a field of computational neuroscience that uses measurable brain activity to infer mental states or internal representations of perceptual inputs. Therefore, we propose a novel approach to brain decoding that also relies…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Matteo Ferrante , Tommaso Boccato , Nicola Toschi

Working memory (WM) is a mechanism that temporarily stores and manipulates information in service of behavioral goals and is a highly dynamic process. Previous studies have considered decoding WM load using EEG but have not investigated the…

神经元与认知 · 定量生物学 2019-10-15 Samuel Goldstein , Zhenhong Hu , Mingzhou Ding

Biomedical signals carry signature rhythms of complex physiological processes that control our daily bodily activity. The properties of these rhythms indicate the nature of interaction dynamics among physiological processes that maintain a…

机器学习 · 计算机科学 2020-12-14 Yassin Khalifa , Danilo Mandic , Ervin Sejdić

Studies of motor control have almost universally examined firing rates to investigate how the brain shapes behavior. In principle, however, neurons could encode information through the precise temporal patterning of their spike trains as…

神经元与认知 · 定量生物学 2014-04-15 Claire Tang , Diala Chehayeb , Kyle Srivastava , Ilya Nemenman , Samuel Sober

Multi-modality is an important feature of sensor based activity recognition. In this work, we consider two inherent characteristics of human activities, the spatially-temporally varying salience of features and the relations between…

人机交互 · 计算机科学 2019-05-23 Kaixuan Chen , Lina Yao , Dalin Zhang , Bin Guo , Zhiwen Yu