Search Results for author: Yonghong Hou

Found 13 papers, 2 papers with code

Sub-action Prototype Learning for Point-level Weakly-supervised Temporal Action Localization

no code implementations16 Sep 2023 Yueyang Li, Yonghong Hou, Wanqing Li

Point-level weakly-supervised temporal action localization (PWTAL) aims to localize actions with only a single timestamp annotation for each action instance.

Pseudo Label Weakly-supervised Temporal Action Localization +1

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

no code implementations5 Jun 2023 Xiaohan Liu, Yanwei Pang, Xuebin Sun, Yiming Liu, Yonghong Hou, ZhenChang Wang, Xuelong Li

To address this problem, we propose the following: (1) a novel convolutional operator called Faster Fourier Convolution (FasterFC) to replace the two consecutive convolution operations typically used in convolutional neural networks (e. g., U-Net, ResNet).

3D Reconstruction Image Reconstruction

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

1 code implementation13 Nov 2021 Shuangyan Miao, Yonghong Hou, Zhimin Gao, Mingliang Xu, Wanqing Li

This paper proposes a new graph convolutional operator called central difference graph convolution (CDGC) for skeleton based action recognition.

Action Recognition Skeleton Based Action Recognition

Trear: Transformer-based RGB-D Egocentric Action Recognition

no code implementations5 Jan 2021 Xiangyu Li, Yonghong Hou, Pichao Wang, Zhimin Gao, Mingliang Xu, Wanqing Li

In this paper, we propose a \textbf{Tr}ansformer-based RGB-D \textbf{e}gocentric \textbf{a}ction \textbf{r}ecognition framework, called Trear.

Action Recognition Optical Flow Estimation

Transformer Guided Geometry Model for Flow-Based Unsupervised Visual Odometry

no code implementations8 Dec 2020 Xiangyu Li, Yonghong Hou, Pichao Wang, Zhimin Gao, Mingliang Xu, Wanqing Li

In this paper, we propose a method consisting of two camera pose estimators that deal with the information from pairwise images and a short sequence of images respectively.

Visual Odometry

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

no code implementations29 Oct 2020 Haoyuan Zhang, Yonghong Hou, Pichao Wang, Zihui Guo, Wanqing Li

The recently developed DARTS (Differentiable Architecture Search) is adopted to search for an effective network architecture that is built upon the two types of cells.

Action Recognition Skeleton Based Action Recognition

Skeleton-based Action Recognition Using LSTM and CNN

no code implementations6 Jul 2017 Chuankun Li, Pichao Wang, Shuang Wang, Yonghong Hou, Wanqing Li

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

Action Analysis Action Recognition +2

Action Recognition Based on Joint Trajectory Maps with Convolutional Neural Networks

no code implementations30 Dec 2016 Pichao Wang, Wanqing Li, Chuankun Li, Yonghong Hou

Convolutional Neural Networks (ConvNets) have recently shown promising performance in many computer vision tasks, especially image-based recognition.

Action Recognition Skeleton Based Action Recognition +1

Action Recognition Based on Joint Trajectory Maps Using Convolutional Neural Networks

no code implementations8 Nov 2016 Pichao Wang, Zhaoyang Li, Yonghong Hou, Wanqing Li

Recently, Convolutional Neural Networks (ConvNets) have shown promising performances in many computer vision tasks, especially image-based recognition.

Action Recognition Temporal Action Localization

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

no code implementations1 Feb 2016 Pichao Wang, Zhaoyang Li, Yonghong Hou, Wanqing Li

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 maps, and exploits effectively both the local and global temporal information.

Action Recognition Temporal Action Localization

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