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Open AccessJournal ArticleDOI

Space-time representation of people based on 3D skeletal data

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TLDR
Skeleton-based human representations have been intensively studied and kept attracting an increasing attention, due to their robustness to variations of viewpoint, human body scale and motion speed as well as the real-time, online performance as mentioned in this paper.
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This article is published in Computer Vision and Image Understanding.The article was published on 2017-05-01 and is currently open access. It has received 279 citations till now.

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NTU RGB+D: A Large Scale Dataset for 3D Human Activity Analysis

TL;DR: In this paper, a large-scale dataset for RGB+D human action recognition was introduced with more than 56 thousand video samples and 4 million frames, collected from 40 distinct subjects.
Book ChapterDOI

Spatio-Temporal LSTM with Trust Gates for 3D Human Action Recognition

TL;DR: This paper introduces new gating mechanism within LSTM to learn the reliability of the sequential input data and accordingly adjust its effect on updating the long-term context information stored in the memory cell, and proposes a more powerful tree-structure based traversal method.
Journal ArticleDOI

NTU RGB+D 120: A Large-Scale Benchmark for 3D Human Activity Understanding

TL;DR: This work introduces a large-scale dataset for RGB+D human action recognition, which is collected from 106 distinct subjects and contains more than 114 thousand video samples and 8 million frames, and investigates a novel one-shot 3D activity recognition problem on this dataset.
Proceedings Article

An end-to-end spatio-temporal attention model for human action recognition from skeleton data

TL;DR: Zhang et al. as mentioned in this paper proposed an end-to-end spatial and temporal attention model for human action recognition from skeleton data, which learns to selectively focus on discriminative joints of skeleton within each frame of the inputs and pays different levels of attention to the outputs of different frames.
Proceedings ArticleDOI

Global Context-Aware Attention LSTM Networks for 3D Action Recognition

TL;DR: This work proposes a new class of LSTM network, Global Context-Aware Attention L STM (GCA-LSTM), for 3D action recognition, which is able to selectively focus on the informative joints in the action sequence with the assistance of global contextual information.
References
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Journal ArticleDOI

A method for registration of 3-D shapes

TL;DR: In this paper, the authors describe a general-purpose representation-independent method for the accurate and computationally efficient registration of 3D shapes including free-form curves and surfaces, based on the iterative closest point (ICP) algorithm, which requires only a procedure to find the closest point on a geometric entity to a given point.
Book ChapterDOI

Visualizing and Understanding Convolutional Networks

TL;DR: A novel visualization technique is introduced that gives insight into the function of intermediate feature layers and the operation of the classifier in large Convolutional Network models, used in a diagnostic role to find model architectures that outperform Krizhevsky et al on the ImageNet classification benchmark.
Journal ArticleDOI

Representation Learning: A Review and New Perspectives

TL;DR: Recent work in the area of unsupervised feature learning and deep learning is reviewed, covering advances in probabilistic models, autoencoders, manifold learning, and deep networks.
Proceedings ArticleDOI

Beyond Bags of Features: Spatial Pyramid Matching for Recognizing Natural Scene Categories

TL;DR: This paper presents a method for recognizing scene categories based on approximate global geometric correspondence that exceeds the state of the art on the Caltech-101 database and achieves high accuracy on a large database of fifteen natural scene categories.
Journal ArticleDOI

Visual perception of biological motion and a model for its analysis

TL;DR: The kinetic-geometric model for visual vector analysis originally developed in the study of perception of motion combinations of the mechanical type was applied to biological motion patterns and the results turned out to be highly positive.
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