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Random feature approximation is arguably one of the most popular techniques to speed up kernel methods in large scale algorithms and provides a theoretical approach to the analysis of deep neural networks. We analyze generalization…

机器学习 · 计算机科学 2023-08-30 Mike Nguyen , Nicole Mücke

High accuracy video label prediction (classification) models are attributed to large scale data. These data could be frame feature sequences extracted by a pre-trained convolutional-neural-network, which promote the efficiency for creating…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Feng Mao , Xiang Wu , Hui Xue , Rong Zhang

This paper presented a face detection system using Radial Basis Function Neural Networks With Fixed Spread Value. Face detection is the first step in face recognition system. The purpose is to localize and extract the face region from the…

计算机视觉与模式识别 · 计算机科学 2014-10-09 K. A. A. Aziz , S. S. Abdullah

World models predict future transitions from observations and actions. Existing works predominantly focus on image generation only. Visual feature-based world models, on the other hand, predict future visual features instead of raw video…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Xinyu Zhang , Zhengtong Xu , Yutian Tao , Yeping Wang , Yu She , Abdeslam Boularias

Interactive autonomous applications require robustness of the perception engine to artifacts in unconstrained videos. In this paper, we examine the effect of camera motion on the task of action detection. We develop a novel ranking method…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Burhan A. Mudassar , Sho Ko , Maojingjing Li , Priyabrata Saha , Saibal Mukhopadhyay

Over the long history of machine learning, which dates back several decades, recurrent neural networks (RNNs) have been used mainly for sequential data and time series and generally with 1D information. Even in some rare studies on 2D…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Nguyen Huu Phong , Bernardete Ribeiro

Action recognition is a prerequisite for many applications in laparoscopic video analysis including but not limited to surgical training, operation room planning, follow-up surgery preparation, post-operative surgical assessment, and…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Sahar Nasirihaghighi , Negin Ghamsarian , Daniela Stefanics , Klaus Schoeffmann , Heinrich Husslein

Conditional Random Rields (CRF) have been widely applied in image segmentations. While most studies rely on hand-crafted features, we here propose to exploit a pre-trained large convolutional neural network (CNN) to generate deep features…

计算机视觉与模式识别 · 计算机科学 2015-03-31 Fayao Liu , Guosheng Lin , Chunhua Shen

In this work we present a new efficient approach to Human Action Recognition called Video Transformer Network (VTN). It leverages the latest advances in Computer Vision and Natural Language Processing and applies them to video…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Alexander Kozlov , Vadim Andronov , Yana Gritsenko

This paper addresses temporal sentence grounding. Previous works typically solve this task by learning frame-level video features and align them with the textual information. A major limitation of these works is that they fail to…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Daizong Liu , Xiaoye Qu , Pan Zhou , Yang Liu

Human actions in video sequences are three-dimensional (3D) spatio-temporal signals characterizing both the visual appearance and motion dynamics of the involved humans and objects. Inspired by the success of convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2015-10-05 Lin Sun , Kui Jia , Dit-Yan Yeung , Bertram E. Shi

A core technology that has emerged from the artificial intelligence revolution is the recurrent neural network (RNN). Its unique sequence-based architecture provides a tractable likelihood estimate with stable training paradigms, a…

无序系统与神经网络 · 物理学 2020-07-01 Mohamed Hibat-Allah , Martin Ganahl , Lauren E. Hayward , Roger G. Melko , Juan Carrasquilla

In this paper, we study the challenging problem of categorizing videos according to high-level semantics such as the existence of a particular human action or a complex event. Although extensive efforts have been devoted in recent years,…

计算机视觉与模式识别 · 计算机科学 2018-02-23 Yu-Gang Jiang , Zuxuan Wu , Jun Wang , Xiangyang Xue , Shih-Fu Chang

We address the problem of predicting the correctness of the student's response on the next exam question based on their previous interactions in the course of their learning and evaluation process. We model the student performance as a…

机器学习 · 计算机科学 2021-06-02 Marina Delianidi , Konstantinos Diamantaras , George Chrysogonidis , Vasileios Nikiforidis

Next-Token Prediction (NTP) is a de facto approach for autoregressive (AR) video generation, but it suffers from suboptimal unidirectional dependencies and slow inference speed. In this work, we propose a semi-autoregressive (semi-AR)…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Shuhuai Ren , Shuming Ma , Xu Sun , Furu Wei

Well-trained generative neural networks (GNN) are very efficient at compressing visual information for static images in their learned parameters but not as efficient as inter- and intra-prediction for most video content. However, for…

图像与视频处理 · 电气工程与系统科学 2020-10-07 Jonah Probell

This paper presents a deep learning enhanced adaptive unscented Kalman filter (UKF) for predicting human arm motion in the context of manufacturing. Unlike previous network-based methods that solely rely on captured human motion data, which…

机器人学 · 计算机科学 2024-02-21 Wansong Liu , Sibo Tian , Boyi Hu , Xiao Liang , Minghui Zheng

Human action recognition from skeletal data is a hot research topic and important in many open domain applications of computer vision, thanks to recently introduced 3D sensors. In the literature, naive methods simply transfer off-the-shelf…

计算机视觉与模式识别 · 计算机科学 2017-08-04 Jacopo Cavazza , Pietro Morerio , Vittorio Murino

Recent research demonstrate that prediction of time series by recurrent neural networks (RNNs) based on the noisy input generates a smooth anticipated trajectory. We examine the internal dynamics of RNNs and establish a set of conditions…

机器学习 · 计算机科学 2020-10-07 Boris Rubinstein

We introduce Knowledge Fusion Transformers for video action classification. We present a self-attention based feature enhancer to fuse action knowledge in 3D inception based spatio-temporal context of the video clip intended to be…

计算机视觉与模式识别 · 计算机科学 2020-10-01 Ganesh Samarth , Sheetal Ojha , Nikhil Pareek