Cited by 196Human Pose and Action RecognitionHand Gesture Recognition SystemsDomain Adaptation and Few-Shot Learning

Weakly Supervised Action Learning with RNN Based Fine-to-Coarse Modeling

Richard, Alexander, Kuehne, Hilde, Gall, Juergen·2017·2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

We present an approach for weakly supervised learning of human actions. Given a set of videos and an ordered list of the occurring actions, the goal is to infer start and end frames of the related action classes within the video and to train the respective action classifiers without any need for hand labeled frame boundaries. To address this task, we propose a combination of a discriminative representation of subactions, modeled by a recurrent neural network, and a coarse probabilistic model to allow for a temporal alignment and inference over long sequences. While this system alone already generates good results, we show that the performance can be further improved by approximating the number of subactions to the characteristics of the different action classes. To this end, we adapt the number of subaction classes by iterating realignment and reestimation during training. The proposed system is evaluated on two benchmark datasets, the Breakfast and the Hollywood extended dataset, showing a competitive performance on various weak learning tasks such as temporal action segmentation and action alignment.

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Crossref · 10.1109/cvpr.2017.140

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  • The proposed model achieves state-of-the-art results on 50Salads, GTEA, and the Breakfast dataset.

    “Our model achieves state-of-the-art results on three challenging datasets: 50Salads, Georgia Tech Egocentric Activities (GTEA), and the Breakfast dataset.”

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Authors
Richard, A., Kuehne, H., & Gall, J.
Affiliations
University of Bonn (DE)
Venue
2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2017-07
Pages
1273-1282
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2600081845
Cited by
195
References
35
Citations by year
2026: 6 · 2025: 15 · 2024: 16 · 2023: 19 · 2022: 28 · 2021: 42 · 2020: 22 · 2019: 22 · 2018: 23 · 2017: 2
FWCI
5.52
Type
conference paper
Language
en
Open access
closed
Locations
IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Human Pose and Action Recognition
  • Physical Sciences › Computer Science › Human-Computer Interaction › Hand Gesture Recognition Systems
  • Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
Keywords
weakly supervised learning, human action recognition, temporal action segmentation, recurrent neural networks, temporal alignment

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