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Action Detection

41 papers with code ยท Computer Vision

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3D ResNet with Ranking Loss Function for Abnormal Activity Detection in Videos

4 Feb 2020

Afterwards, using these features and deep multiple instance learning along with the proposed ranking loss, our model learns to predict the abnormality score at the video segment level.

ACTION DETECTION MULTIPLE INSTANCE LEARNING TEMPORAL ACTION LOCALIZATION

Faster Activity and Data Detection in Massive Random Access: A Multi-armed Bandit Approach

28 Jan 2020

In this paper, we develop multi-armed bandit approaches for more efficient detection via coordinate descent, which make a delicate trade-off between exploration and exploitation in coordinate selection.

ACTION DETECTION

A Comprehensive Study on Temporal Modeling for Online Action Detection

21 Jan 2020

Online action detection (OAD) is a practical yet challenging task, which has attracted increasing attention in recent years.

ACTION DETECTION

Why Can't I Dance in the Mall? Learning to Mitigate Scene Bias in Action Recognition

NeurIPS 2019

We validate the effectiveness of our method by transferring our pre-trained model to three different tasks, including action classification, temporal localization, and spatio-temporal action detection.

ACTION CLASSIFICATION ACTION DETECTION REPRESENTATION LEARNING TEMPORAL LOCALIZATION

Comprehensive Soccer Video Understanding: Towards Human-comparable Video Understanding System in Constrained Environment

10 Dec 2019

Comprehensive video understanding, a challenging task in computer vision to understand videos like humans, has been explored in ways including object detection and tracking, action classification.

ACTION CLASSIFICATION ACTION DETECTION OBJECT DETECTION VIDEO UNDERSTANDING

Learning to Discriminate Information for Online Action Detection

10 Dec 2019

For online action detection, in this paper, we propose a novel recurrent unit to explicitly discriminate the information relevant to an ongoing action from others.

ACTION DETECTION

Zero-shot Recognition of Complex Action Sequences

8 Dec 2019

Further, we can extend this to activity detection using dynamic programming, providing, to our knowledge, the first example of zero-shot joint segmentation and classification of complex action sequences in a larger video.

ACTION DETECTION ACTIVITY RECOGNITION VIDEO CLASSIFICATION ZERO-SHOT LEARNING

Why Can't I Dance in the Mall? Learning to Mitigate Scene Bias in Action Recognition

NeurIPS 2019

We validate the effectiveness of our method by transferring our pre-trained model to three different tasks, including action classification, temporal localization, and spatio-temporal action detection.

ACTION CLASSIFICATION ACTION DETECTION REPRESENTATION LEARNING TEMPORAL LOCALIZATION

G-TAD: Sub-Graph Localization for Temporal Action Detection

26 Nov 2019

With graph convolution as the basic operation, we design a GCN block called GCNeXt, which learns the features of each node by aggregating its context and dynamically updates the edges in the graph.

ACTION DETECTION VIDEO UNDERSTANDING