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Due to the large memory footprint of untrimmed videos, current state-of-the-art video localization methods operate atop precomputed video clip features. These features are extracted from video encoders typically trained for trimmed action…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Humam Alwassel , Silvio Giancola , Bernard Ghanem

In recent years,the application of deep learning in task functional Magnetic Resonance Imaging (tfMRI) decoding has led to significant advancements. However,most studies remain constrained by assumption of temporal stationarity in neural…

机器学习 · 计算机科学 2025-03-05 Yueyang Wu , Sinan Yang , Yanming Wang , Jiajie He , Muhammad Mohsin Pathan , Bensheng Qiu , Xiaoxiao Wang

Concept Factorization (CF) and its variants may produce inaccurate representation and clustering results due to the sensitivity to noise, hard constraint on the reconstruction error and pre-obtained approximate similarities. To improve the…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Zhao Zhang , Yan Zhang , Sheng Li , Guangcan Liu , Dan Zeng , Shuicheng Yan , Meng Wang

This work provides several new insights on the robustness of Kearns' statistical query framework against challenging label-noise models. First, we build on a recent result by \cite{DBLP:journals/corr/abs-2006-04787} that showed noise…

机器学习 · 统计学 2020-10-20 Ioannis Anagnostides , Themis Gouleakis , Ali Marashian

Research into automated systems for detecting and classifying marine mammals in acoustic recordings is expanding internationally due to the necessity to analyze large collections of data for conservation purposes. In this work, we present a…

声音 · 计算机科学 2019-08-01 Mark Thomas , Bruce Martin , Katie Kowarski , Briand Gaudet , Stan Matwin

Brain-computer interface uses brain signals to control external devices without actual control behavior. Recently, speech imagery has been studied for direct communication using language. Speech imagery uses brain signals generated when the…

人机交互 · 计算机科学 2020-12-08 Byeong-Hoo Lee , Byeong-Hee Kwon , Do-Yeun Lee , Ji-Hoon Jeong

Existing Multimodal Large Language Models (MLLMs) process a large number of visual tokens, leading to significant computational costs and inefficiency. Instruction-related visual token compression demonstrates strong task relevance, which…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Lei Lei , Jie Gu , Xiaokang Ma , Chu Tang , Jingmin Chen , Tong Xu

Sparse Bayesian learning is a state-of-the-art supervised learning algorithm that can choose a subset of relevant samples from the input data and make reliable probabilistic predictions. However, in the presence of high-dimensional data…

机器学习 · 计算机科学 2020-01-10 Bingbing Jiang , Chang Li , Maarten de Rijke , Xin Yao , Huanhuan Chen

Cascade is a widely used approach that rejects obvious negative samples at early stages for learning better classifier and faster inference. This paper presents chained cascade network (CC-Net). In this CC-Net, the cascaded classifier at a…

计算机视觉与模式识别 · 计算机科学 2017-02-24 Wanli Ouyang , Ku Wang , Xin Zhu , Xiaogang Wang

Background: Functional magnetic resonance imaging (fMRI) provides non-invasive measures of neuronal activity using an endogenous Blood Oxygenation-Level Dependent (BOLD) contrast. This article introduces a nonlinear dimensionality reduction…

图像与视频处理 · 电气工程与系统科学 2019-12-09 Gagan Sidhu

Global-local shrinkage prior has been recognized as useful class of priors which can strongly shrink small signals towards prior means while keeping large signals unshrunk. Although such priors have been extensively discussed under Gaussian…

统计方法学 · 统计学 2020-08-18 Yasuyuki Hamura , Kaoru Irie , Shonosuke Sugasawa

This paper investigates task-oriented communication for edge inference, where a low-end edge device transmits the extracted feature vector of a local data sample to a powerful edge server for processing. It is critical to encode the data…

信号处理 · 电气工程与系统科学 2023-01-19 Jiawei Shao , Yuyi Mao , Jun Zhang

In the context of statistical learning, the Information Bottleneck method seeks a right balance between accuracy and generalization capability through a suitable tradeoff between compression complexity, measured by minimum description…

信息论 · 计算机科学 2021-02-16 Mohammad Mahdi Mahvari , Mari Kobayashi , Abdellatif Zaidi

Objective. In this paper, we consider the problem of cross-subject decoding, where neural activity data collected from the prefrontal cortex of a given subject (destination) is used to decode motor intentions from the neural activity of a…

神经与进化计算 · 计算机科学 2022-02-23 Marko Angjelichinoski , Bijan Pesaran , Vahid Tarokh

A novel biologically motivated face recognition algorithm based on polar frequency is presented. Polar frequency descriptors are extracted from face images by Fourier-Bessel transform (FBT). Next, the Euclidean distance between all images…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Yossi Zana , Roberto M. Cesar-JR

Recent development in deep learning techniques has attracted attention in decoding and classification in EEG signals. Despite several efforts utilizing different features of EEG signals, a significant research challenge is to use…

机器学习 · 计算机科学 2020-06-09 Avinash Kumar Singh , Chin-Teng Lin

Spiking Neural Networks (SNNs) are capable of encoding and processing temporal information in a biologically plausible way. However, most existing SNN-based methods for image tasks do not fully exploit this feature. Moreover, they often…

神经与进化计算 · 计算机科学 2024-06-06 Xuerui Qiu , Zheng Luan , Zhaorui Wang , Rui-Jie Zhu

Neural decoding plays a vital role in the interaction between the brain and the outside world. In this paper, we directly decode the movement track of a finger based on the neural signals of a macaque. Supervised regression methods may…

神经与进化计算 · 计算机科学 2025-10-14 Jingyi Feng , Yong Luo , Shuang Song

In computer vision pixelwise dense prediction is the task of predicting a label for each pixel in the image. Convolutional neural networks achieve good performance on this task, while being computationally efficient. In this paper we carry…

计算与语言 · 计算机科学 2016-12-15 Tom Sercu , Vaibhava Goel

The electroencephalogram, a type of non-invasive-based brain signal that has a user intention-related feature provides an efficient bidirectional pathway between user and computer. In this work, we proposed a deep learning framework based…

人机交互 · 计算机科学 2020-12-08 Byoung-Hee Kwon , Byeong-Hoo Lee , Ji-Hoon Jeong