activity
20152023
most citedA Central Difference Graph Convolutional Operator for Skeleton-Based Action Recognition

64 citations · 117 across the 13 of their papers we have counts for

collaborators

13 papers

eess.IV2023

Image Reconstruction for Accelerated MR Scan with Faster Fourier Convolutional Neural Networks

Xiaohan Liu, Yanwei Pang, Xuebin Sun +4

Partial scan is a common approach to accelerate Magnetic Resonance Imaging (MRI) data acquisition in both 2D and 3D settings. However, accurately reconstructing images from partial…

cs.CV2022

FT-HID: A Large Scale RGB-D Dataset for First and Third Person Human Interaction Analysis

Zihui Guo, Yonghong Hou, Pichao Wang +3

Analysis of human interaction is one important research topic of human motion analysis. It has been studied either using first person vision (FPV) or third person vision (TPV). How…

cs.CV2022★ 2 cited

Contrastive Positive Mining for Unsupervised 3D Action Representation Learning

Haoyuan Zhang, Yonghong Hou, Wenjing Zhang +1

Recent contrastive based 3D action representation learning has made great progress. However, the strict positive/negative constraint is yet to be relaxed and the use of non-self po…

cs.CV2022

Learning Using Privileged Information for Zero-Shot Action Recognition

Zhiyi Gao, Yonghong Hou, Wanqing Li +2

Zero-Shot Action Recognition (ZSAR) aims to recognize video actions that have never been seen during training. Most existing methods assume a shared semantic space between seen and…

cs.CV2021★ 64 cited

A Central Difference Graph Convolutional Operator for Skeleton-Based Action Recognition

Shuangyan Miao, Yonghong Hou, Zhimin Gao +2

This paper proposes a new graph convolutional operator called central difference graph convolution (CDGC) for skeleton based action recognition. It is not only able to aggregate no…

cs.CV2021★ 7 cited

Trear: Transformer-based RGB-D Egocentric Action Recognition

Xiangyu Li, Yonghong Hou, Pichao Wang +3

In this paper, we propose a \textbf{Tr}ansformer-based RGB-D \textbf{e}gocentric \textbf{a}ction \textbf{r}ecognition framework, called Trear. It consists of two modules, inter-fra…

cs.CV2020

Transformer Guided Geometry Model for Flow-Based Unsupervised Visual Odometry

Xiangyu Li, Yonghong Hou, Pichao Wang +3

Existing unsupervised visual odometry (VO) methods either match pairwise images or integrate the temporal information using recurrent neural networks over a long sequence of images…

cs.CV2020★ 1 cited

SAR-NAS: Skeleton-based Action Recognition via Neural Architecture Searching

Haoyuan Zhang, Yonghong Hou, Pichao Wang +2

This paper presents a study of automatic design of neural network architectures for skeleton-based action recognition. Specifically, we encode a skeleton-based action instance into…

cs.CV2017★ 28 cited

Skeleton-based Action Recognition Using LSTM and CNN

Chuankun Li, Pichao Wang, Shuang Wang +2

Recent methods based on 3D skeleton data have achieved outstanding performance due to its conciseness, robustness, and view-independent representation. With the development of deep…

cs.CV2016★ 8 cited

Action Recognition Based on Joint Trajectory Maps with Convolutional Neural Networks

Pichao Wang, Wanqing Li, Chuankun Li +1

Convolutional Neural Networks (ConvNets) have recently shown promising performance in many computer vision tasks, especially image-based recognition. How to effectively apply ConvN…

cs.CV2016

Action Recognition Based on Joint Trajectory Maps Using Convolutional Neural Networks

Pichao Wang, Zhaoyang Li, Yonghong Hou +1

Recently, Convolutional Neural Networks (ConvNets) have shown promising performances in many computer vision tasks, especially image-based recognition. How to effectively use ConvN…

cs.CV2016★ 4 cited

Combining ConvNets with Hand-Crafted Features for Action Recognition Based on an HMM-SVM Classifier

Pichao Wang, Zhaoyang Li, Yonghong Hou +1

This paper proposes a new framework for RGB-D-based action recognition that takes advantages of hand-designed features from skeleton data and deeply learned features from depth map…

cs.CV2015★ 3 cited

Online Action Recognition based on Incremental Learning of Weighted Covariance Descriptors

Chang Tang, Pichao Wang, Wanqing Li

Different from traditional action recognition based on video segments, online action recognition aims to recognize actions from unsegmented streams of data in a continuous manner.…