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To decide whether a digital video has been captured by a given device, multimedia forensic tools usually exploit characteristic noise traces left by the camera sensor on the acquired frames. This analysis requires that the noise pattern…

Currently, video behavior recognition is one of the most foundational tasks of computer vision. The 2D neural networks of deep learning are built for recognizing pixel-level information such as images with RGB, RGB-D, or optical flow…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Zihan Wang , Yang Yang , Zhi Liu , Yifan Zheng

Human action recognition in videos is a critical task with significant implications for numerous applications, including surveillance, sports analytics, and healthcare. The challenge lies in creating models that are both precise in their…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Yufei Xie

Human pose estimation has been widely applied in various industries. While recent decades have witnessed the introduction of many advanced two-dimensional (2D) human pose estimation solutions, three-dimensional (3D) human pose estimation is…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Zichen Gui , Jungang Luo

Animals move in three dimensions (3D). Thus, 3D measurement is necessary to report the true kinematics of animal movement. Existing 3D measurement techniques draw on specialized hardware, such as motion capture or depth cameras, as well as…

神经元与认知 · 定量生物学 2021-12-06 Jesse D. Marshall , Tianqing Li , Joshua H. Wu , Timothy W. Dunn

This paper presents a new framework for human action recognition from a 3D skeleton sequence. Previous studies do not fully utilize the temporal relationships between video segments in a human action. Some studies successfully used very…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Thao Minh Le , Nakamasa Inoue , Koichi Shinoda

The problem of automatic identification of physical activities performed by human subjects is referred to as Human Activity Recognition (HAR). There exist several techniques to measure motion characteristics during these physical…

机器学习 · 计算机科学 2019-06-06 Antonio Bevilacqua , Kyle MacDonald , Aamina Rangarej , Venessa Widjaya , Brian Caulfield , Tahar Kechadi

Existing deep models predict 2D and 3D kinematic poses from video that are approximately accurate, but contain visible errors that violate physical constraints, such as feet penetrating the ground and bodies leaning at extreme angles. In…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Davis Rempe , Leonidas J. Guibas , Aaron Hertzmann , Bryan Russell , Ruben Villegas , Jimei Yang

Human action recognition has been widely used in many fields of life, and many human action datasets have been published at the same time. However, most of the multi-modal databases have some shortcomings in the layout and number of…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Xin Chao , Zhenjie Hou , Yujian Mo

Object manipulation actions represent an important share of the Activities of Daily Living (ADLs). In this work, we study how to enable service robots to use human multi-modal data to understand object manipulation actions, and how they can…

机器人学 · 计算机科学 2019-07-09 Bahareh Abbasi , Ehsan Noohi , Sina Parastegari , Milos Zefran

Advancements in deep neural networks have contributed to near perfect results for many computer vision problems such as object recognition, face recognition and pose estimation. However, human action recognition is still far from…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Asanka G. Perera , Yee Wei Law , Titilayo T. Ogunwa , Javaan Chahl

Human action recognition in computer vision has been widely studied in recent years. However, most algorithms consider only certain action specially with even high computational cost. That is not suitable for practical applications with…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Zezhou Chen , Yajie Cui , Kaikai Zhao , Zhaoxiang Liu , Shiguo Lian

Recently, deep learning approach has achieved promising results in various fields of computer vision. In this paper, a new framework called Hierarchical Depth Motion Maps (HDMM) + 3 Channel Deep Convolutional Neural Networks (3ConvNets) is…

计算机视觉与模式识别 · 计算机科学 2015-01-21 Pichao Wang , Wanqing Li , Zhimin Gao , Jing Zhang , Chang Tang , Philip Ogunbona

In 3D Human Motion Prediction (HMP), conventional methods train HMP models with expensive motion capture data. However, the data collection cost of such motion capture data limits the data diversity, which leads to poor generalizability to…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Katsuki Shimbo , Hiromu Taketsugu , Norimichi Ukita

Human motion prediction and understanding is a challenging problem. Due to the complex dynamic of human motion and the non-deterministic aspect of future prediction. We propose a novel sequence-to-sequence model for human motion prediction…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Emad Barsoum , John Kender , Zicheng Liu

We address the problem of human motion tracking by registering a surface to 3-D data. We propose a method that iteratively computes two things: Maximum likelihood estimates for both the kinematic and free-motion parameters of a kinematic…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Radu Horaud , Matti Niskanen , Guillaume Dewaele , Edmond Boyer

Reconstructing 3D human motion and human-object interactions (HOI) from Internet videos is a fundamental step toward building large-scale datasets of human behavior. Existing methods struggle to recover globally consistent 3D motion under…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Hongjie Li , Heng Yu , Jiaman Li , Hong-Xing Yu , Ehsan Adeli , C. Karen Liu , Jiajun Wu

In videos, the human's actions are of three-dimensional (3D) signals. These videos investigate the spatiotemporal knowledge of human behavior. The promising ability is investigated using 3D convolution neural networks (CNNs). The 3D CNNs…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Arslan Syed , Eman A. Aldhahri , Muhammad Munawar Iqbal , Abid Ali , Ammar Muthanna , Harun Jamil , Faisal Jamil

Accurate understanding and prediction of human behaviors are critical prerequisites for autonomous vehicles, especially in highly dynamic and interactive scenarios such as intersections in dense urban areas. In this work, we aim at…

计算机视觉与模式识别 · 计算机科学 2023-06-05 Jiachen Li , Xinwei Shi , Feiyu Chen , Jonathan Stroud , Zhishuai Zhang , Tian Lan , Junhua Mao , Jeonhyung Kang , Khaled S. Refaat , Weilong Yang , Eugene Ie , Congcong Li

This work is completed on a whim after discussions with my junior colleague. The motion direction angle affects the micro-Doppler spectrum width, thus determining the human motion direction can provide important prior information for…

信号处理 · 电气工程与系统科学 2025-08-05 Weicheng Gao