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Understanding dynamic systems like disease outbreaks, social influence, and information diffusion requires effective modeling of complex networks. Traditional evaluation methods for static networks often fall short when applied to temporal…

社会与信息网络 · 计算机科学 2025-09-26 Alireza Rashnu , Sadegh Aliakbary

Video-based gait analysis can be defined as the task of diagnosing pathologies, such as ataxia, using videos of patients walking in front of a camera. This paper presents a graph convolution network called AtGCN for detecting ataxic gait…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Karan Bania , Tanmay Verlekar

Bottom-up approaches for image-based multi-person pose estimation consist of two stages: (1) keypoint detection and (2) grouping of the detected keypoints to form person instances. Current grouping approaches rely on learned embedding from…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Jiahao Lin , Gim Hee Lee

Predicting future motion based on historical motion sequence is a fundamental problem in computer vision, and it has wide applications in autonomous driving and robotics. Some recent works have shown that Graph Convolutional Networks(GCN)…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Chongyang Zhong , Lei Hu , Zihao Zhang , Yongjing Ye , Shihong Xia

Graph convolutional networks (GCNs) have been very successful in skeleton-based human action recognition where the sequence of skeletons is modeled as a graph. However, most of the GCN-based methods in this area train a deep feed-forward…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Negar Heidari , Alexandros Iosifidis

This paper investigates body bones from skeleton data for skeleton based action recognition. Body joints, as the direct result of mature pose estimation technologies, are always the key concerns of traditional action recognition methods.…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Xikun Zhang , Chang Xu , Xinmei Tian , Dacheng Tao

The distance-geometric graph representation adopts a unified scheme (distance) for representing the geometry of three-dimensional(3D) graphs. It is invariant to rotation and translation of the graph and it reflects pair-wise node…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Daniel T. Chang

Graph convolutional networks (GCNs) are widely used for 3D hand pose estimation, where the hand skeleton is encoded as a fixed adjacency graph. We revisit whether this is the most effective way to incorporate hand topology in 2D-to-3D…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Chanyoung Kim , Donghyun Kim , Dong-Hyun Sim , Seong Jae Hwang , Youngjoong Kwon

Graph convolutional networks (GCNs) can effectively capture the features of related nodes and improve the performance of the model. More attention is paid to employing GCN in Skeleton-Based action recognition. But existing methods based on…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Tingwei Li , Ruiwen Zhang , Qing Li

Monocular 3D human pose estimation remains a fundamentally ill-posed inverse problem due to the inherent depth ambiguity in 2D-to-3D lifting. While contemporary video-based methods leverage temporal context to enhance spatial reasoning,…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Zhuoyang Xie , Yibo Zhao , Hui Huang , Riwei Wang , Zan Gao

The shared topology of human skeletons motivated the recent investigation of graph convolutional network (GCN) solutions for action recognition. However, most of the existing GCNs rely on the binary connection of two neighboring vertices…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Youwei Zhou , Tianyang Xu , Cong Wu , Xiaojun Wu , Josef Kittler

Pose-based action recognition has drawn considerable attention recently. Existing methods exploit the joint positions to extract the body-part features from the activation map of the convolutional networks to assist human action…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Lei Shi , Yifan Zhang , Jian Cheng , Hanqing Lu

Several applications such as autonomous driving, augmented reality and virtual reality require a precise prediction of the 3D human pose. Recently, a new problem was introduced in the field to predict the 3D human poses from observed 2D…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Abduallah Mohamed , Huancheng Chen , Zhangyang Wang , Christian Claudel

For human pose estimation in monocular images, joint occlusions and overlapping upon human bodies often result in deviated pose predictions. Under these circumstances, biologically implausible pose predictions may be produced. In contrast,…

计算机视觉与模式识别 · 计算机科学 2017-05-03 Yu Chen , Chunhua Shen , Xiu-Shen Wei , Lingqiao Liu , Jian Yang

Recommender systems are essential components of modern online platforms which presents personalized content in various domain. The traditional collaborative filtering methods depends on static user-item interaction graphs and a limited…

信息检索 · 计算机科学 2026-05-08 Aadarsh Senapati , Neha Kujur , Vivek Yelleti

Most of the recent deep learning-based 3D human pose and mesh estimation methods regress the pose and shape parameters of human mesh models, such as SMPL and MANO, from an input image. The first weakness of these methods is an appearance…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Hongsuk Choi , Gyeongsik Moon , Kyoung Mu Lee

Skeleton-based human action recognition has attracted much attention with the prevalence of accessible depth sensors. Recently, graph convolutional networks (GCNs) have been widely used for this task due to their powerful capability to…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Zhen Huang , Xu Shen , Xinmei Tian , Houqiang Li , Jianqiang Huang , Xian-Sheng Hua

We present a method for human pose tracking that is based on learning spatiotemporal relationships among joints. Beyond generating the heatmap of a joint in a given frame, our system also learns to predict the offset of the joint from a…

计算机视觉与模式识别 · 计算机科学 2019-03-28 Xiao Sun , Chuankang Li , Stephen Lin

Deep learning models have been widely used for anomaly detection in surveillance videos. Typical models are equipped with the capability to reconstruct normal videos and evaluate the reconstruction errors on anomalous videos to indicate the…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Xianlin Zeng , Yalong Jiang , Wenrui Ding , Hongguang Li , Yafeng Hao , Zifeng Qiu

Convolutional Neural Network (CNN) has demonstrated impressive ability to represent hyperspectral images and to achieve promising results in hyperspectral image classification. However, traditional CNN models can only operate convolution on…

图像与视频处理 · 电气工程与系统科学 2019-05-16 Sheng Wan , Chen Gong , Ping Zhong , Bo Du , Lefei Zhang , Jian Yang