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Action Recognition

82 papers with code · Computer Vision

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AVA: A Video Dataset of Spatio-temporally Localized Atomic Visual Actions

CVPR 2018 tensorflow/models

The AVA dataset densely annotates 80 atomic visual actions in 430 15-minute video clips, where actions are localized in space and time, resulting in 1. 58M action labels with multiple labels per person occurring frequently.

ACTION LOCALIZATION ACTION RECOGNITION VIDEO UNDERSTANDING

Can Spatiotemporal 3D CNNs Retrace the History of 2D CNNs and ImageNet?

CVPR 2018 kenshohara/3D-ResNets-PyTorch

The purpose of this study is to determine whether current video datasets have sufficient data for training very deep convolutional neural networks (CNNs) with spatio-temporal three-dimensional (3D) kernels.

ACTION RECOGNITION

Spatial Temporal Graph Convolutional Networks for Skeleton-Based Action Recognition

23 Jan 2018yysijie/st-gcn

Dynamics of human body skeletons convey significant information for human action recognition.

SKELETON BASED ACTION RECOGNITION

Temporal Segment Networks for Action Recognition in Videos

8 May 2017yjxiong/temporal-segment-networks

Furthermore, based on the temporal segment networks, we won the video classification track at the ActivityNet challenge 2016 among 24 teams, which demonstrates the effectiveness of TSN and the proposed good practices.

ACTION RECOGNITION IN VIDEOS VIDEO CLASSIFICATION

Temporal Segment Networks: Towards Good Practices for Deep Action Recognition

2 Aug 2016yjxiong/temporal-segment-networks

The other contribution is our study on a series of good practices in learning ConvNets on video data with the help of temporal segment network.

ACTION RECOGNITION IN VIDEOS

Quo Vadis, Action Recognition? A New Model and the Kinetics Dataset

CVPR 2017 deepmind/kinetics-i3d

The paucity of videos in current action classification datasets (UCF-101 and HMDB-51) has made it difficult to identify good video architectures, as most methods obtain similar performance on existing small-scale benchmarks.

 SOTA for Action Recognition on HMDB51 (using extra training data)

ACTION CLASSIFICATION ACTION RECOGNITION

Sparse 3D convolutional neural networks

12 May 2015facebookresearch/SparseConvNet

We have implemented a convolutional neural network designed for processing sparse three-dimensional input data.

3D OBJECT RECOGNITION ACTION RECOGNITION

Real-time Action Recognition with Enhanced Motion Vector CNNs

CVPR 2016 yjxiong/caffe

The deep two-stream architecture exhibited excellent performance on video based action recognition.

ACTION RECOGNITION OPTICAL FLOW ESTIMATION

Towards Good Practices for Very Deep Two-Stream ConvNets

8 Jul 2015yjxiong/caffe

However, for action recognition in videos, the improvement of deep convolutional networks is not so evident.

ACTION RECOGNITION IN VIDEOS

A Closer Look at Spatiotemporal Convolutions for Action Recognition

CVPR 2018 facebookresearch/R2Plus1D

In this paper we discuss several forms of spatiotemporal convolutions for video analysis and study their effects on action recognition.

ACTION RECOGNITION