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Exploring the influence of motion boundary sampling to improved dense trajectories for action recognition

Published: 19 August 2015 Publication History

Abstract

This paper addresses the problem of action recognition. Recently, Wang et al. [11] proposed an approach to describe videos by improved dense trajectories (IDT) which has a significant improvement over the state of the art on some realistic data sets with fisher vectors (FVs). However, IDT is very dense and computationally complex for extracting video-level representation. Therefore, we adopt motion boundary sampling to reduce memory and computation cost, and explore how this sampling method influence mean average precision (mAP). We evaluate motion boundary sampling on KTH, Youtube, and HMDB51 dataset, and as a result, the number of the trajectories is significantly reduced compared to IDT. What's more, the performance of this method is similar to IDT with the framework of [14].

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Cited By

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  • (2018)Recognition of Daily Activities by embedding hand-crafted features within a semantic analysis2018 IEEE International Conference on Image Processing, Applications and Systems (IPAS)10.1109/IPAS.2018.8708854(210-215)Online publication date: Dec-2018
  • (2016)A joint evaluation of different dimensionality reduction techniques, fusion and learning methods for action recognitionNeurocomputing10.1016/j.neucom.2016.06.017214:C(329-339)Online publication date: 19-Nov-2016

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  1. Exploring the influence of motion boundary sampling to improved dense trajectories for action recognition

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    cover image ACM Other conferences
    ICIMCS '15: Proceedings of the 7th International Conference on Internet Multimedia Computing and Service
    August 2015
    397 pages
    ISBN:9781450335287
    DOI:10.1145/2808492
    • General Chairs:
    • Ramesh Jain,
    • Shuqiang Jiang,
    • Program Chairs:
    • John Smith,
    • Jitao Sang,
    • Guohui Li
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 19 August 2015

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    Author Tags

    1. action recognition
    2. improved dense trajectories
    3. motion boundary sampling

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    ICIMCS '15 Paper Acceptance Rate 20 of 128 submissions, 16%;
    Overall Acceptance Rate 163 of 456 submissions, 36%

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    • (2018)Recognition of Daily Activities by embedding hand-crafted features within a semantic analysis2018 IEEE International Conference on Image Processing, Applications and Systems (IPAS)10.1109/IPAS.2018.8708854(210-215)Online publication date: Dec-2018
    • (2016)A joint evaluation of different dimensionality reduction techniques, fusion and learning methods for action recognitionNeurocomputing10.1016/j.neucom.2016.06.017214:C(329-339)Online publication date: 19-Nov-2016

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