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This work considers a continuous framework to characterize the population-level variability of structural connectivity. Our framework assumes the observed white matter fiber tract endpoints are driven by a latent random function defined…

统计计算 · 统计学 2022-07-19 William Consagra , Martin Cole , Zhengwu Zhang

Functional data analysis, which models data as realizations of random functions over a continuum, has emerged as a useful tool for time series data. Often, the goal is to infer the dynamic connections (or time-varying conditional…

统计方法学 · 统计学 2024-12-10 Chunshan Liu , Daniel R. Kowal , James Doss-Gollin , Marina Vannucci

Arbitrary-oriented object detection (AOOD) has been widely applied to locate and classify objects with diverse orientations in remote sensing images. However, the inconsistent features for the localization and classification tasks in AOOD…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Zhanchao Huang , Wei Li , Xiang-Gen Xia , Hao Wang , Ran Tao

Objective: Endophenotypes such as brain age and fluid intelligence are important biomarkers of disease status. However, brain imaging studies to identify these biomarkers often encounter limited numbers of subjects and high dimensional…

Smart devices in the Internet of Things (IoT) paradigm provide a variety of unobtrusive and pervasive means for continuous monitoring of bio-metrics and health information. Furthermore, automated personalization and authentication through…

信号处理 · 电气工程与系统科学 2024-07-11 Vandad Davoodnia , Monet Slinowsky , Ali Etemad

In neuroscience, functional brain connectivity describes the connectivity between brain regions that share functional properties. Neuroscientists often characterize it by a time series of covariance matrices between functional measurements…

统计方法学 · 统计学 2019-07-09 Zhenhua Lin , Dehan Kong , Qiang Sun

Typical fMRI studies have focused on either the mean trend in the blood-oxygen-level-dependent (BOLD) time course or functional connectivity (FC). However, other statistics of the neuroimaging data may contain important information. Despite…

神经元与认知 · 定量生物学 2018-08-08 Garren Gaut , Xiangrui Li , Zhong-Lin Lu , Mark Steyvers

Recently, the potential of dynamic brain networks as a neuroimaging biomarkers for mental illnesses is being increasingly recognized. However, there are several unmet challenges in developing such biomarkers, including the need for methods…

神经元与认知 · 定量生物学 2019-10-10 Suprateek Kundu , Jin Ming , Jennifer Stevens

Image-based environment perception is an important component especially for driver assistance systems or autonomous driving. In this scope, modern neuronal networks are used to identify multiple objects as well as the according position and…

计算机视觉与模式识别 · 计算机科学 2023-02-07 Fabian Küppers

In autonomous driving, 3D occupancy prediction outputs voxel-wise status and semantic labels for more comprehensive understandings of 3D scenes compared with traditional perception tasks, such as 3D object detection and bird's-eye view…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Jiawei Hou , Xiaoyan Li , Wenhao Guan , Gang Zhang , Di Feng , Yuheng Du , Xiangyang Xue , Jian Pu

Voice Activity Detection (VAD) is a fundamental module in many audio applications. Recent state-of-the-art VAD systems are often based on neural networks, but they require a computational budget that usually exceeds the capabilities of a…

音频与语音处理 · 电气工程与系统科学 2022-12-07 Niccolo' Polvani , Damien Ronssin , Milos Cernak

Developments in machine learning interpretability techniques over the past decade have provided new tools to observe the image regions that are most informative for classification and localization in artificial neural networks (ANNs). Are…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Thomas A. Langlois , H. Charles Zhao , Erin Grant , Ishita Dasgupta , Thomas L. Griffiths , Nori Jacoby

In imaging inverse problems, one seeks to recover an image from missing/corrupted measurements. Because such problems are ill-posed, there is great motivation to quantify the uncertainty induced by the measurement-and-recovery process.…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Jeffrey Wen , Rizwan Ahmad , Philip Schniter

Recent work in cognitive neuroscience has focused on analyzing the brain as a network, rather than as a collection of independent regions. Prior studies taking this approach have found that individual differences in the degree of modularity…

神经元与认知 · 定量生物学 2017-11-28 Qiuhai Yue , Randi Martin , Simon Fischer-Baum , Aurora I. Ramos-Nuñez , Fengdan Ye , Michael W. Deem

Structural covariance analysis is a widely used structural MRI analysis method which characterises the co-relations of morphology between brain regions over a group of subjects. To our knowledge, little has been investigated in terms of the…

神经元与认知 · 定量生物学 2020-06-01 Jona Carmon , Jil Heege , Joe H Necus , Thomas W Owen , Gordon Pipa , Marcus Kaiser , Peter N Taylor , Yujiang Wang

Humans have remarkable selective sensitivity to identities -- easily distinguishing between highly similar identities, even across significantly different contexts such as diverse viewpoints or lighting. Vision models have struggled to…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Julia Chae , Nicholas Kolkin , Jui-Hsien Wang , Richard Zhang , Sara Beery , Cusuh Ham

Functional magnetic resonance imaging (fMRI) data have become increasingly available and are useful for describing functional connectivity (FC), the relatedness of neuronal activity in regions of the brain. This FC of the brain provides…

机器学习 · 统计学 2020-10-14 Andrew DiLernia , Karina Quevedo , Jazmin Camchong , Kelvin Lim , Wei Pan , Lin Zhang

Obsessive-compulsive disorder (OCD) is a common psychiatric disorder with a lifetime prevalence of 2-3 percent. Recently, brain activity in the resting state is gathering attention as a new means of exploring altered functional connectivity…

Functional magnetic resonance imaging recordings in the resting-state (RS) from the human brain are characterized by spontaneous low-frequency fluctuations in the blood oxygenation level dependent signal that reveal functional connectivity…

神经元与认知 · 定量生物学 2013-02-21 Iwo Jerzy Bohr , Eva Kenny , Andrew Blamire , John T. O'Brien , Alan J. Thomas , Jonathan Richardson , Marcus Kaiser

The vast majority of fMRI studies of task-related brain activity utilize common levels of task demands and analyses that rely on the central tendencies of the data. This approach does not take into account perceived difficulty nor regional…

神经元与认知 · 定量生物学 2021-10-14 Jason Steffener , Chris Habeck , Dylan Franklin , Meghan Lau , Yara Yakoub , Maryse Gad