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Dynamic texture recognition using time-causal and time-recursive spatio-temporal receptive fields
KTH, School of Computer Science and Communication (CSC), Computational Science and Technology (CST). (Computational Brain Science)ORCID iD: 0000-0003-0011-6444
KTH, School of Computer Science and Communication (CSC), Computational Science and Technology (CST). (Computational Brain Science Lab)ORCID iD: 0000-0002-9081-2170
2017 (English)Report (Other academic)
Abstract [en]

This work presents a first evaluation of using spatiotemporal receptive fields from a recently proposed time-causal spatio-temporal scale-space framework as primitives for video analysis. We propose a new family of video descriptors based on regional statistics of spatio-temporal receptive field responses and evaluate this approach on the problem of dynamic texture recognition. Our approach generalises a previously used method, based on joint histograms of receptive field responses, from the spatial to the spatio-temporal domain and from object recognition to dynamic texture recognition. The time-recursive formulation enables computationally efficient time-causal recognition.

The experimental evaluation demonstrates competitive performance compared to state-of-the-art. Especially, it is shown that binary versions of our dynamic texture descriptors achieve improved performance compared to a large range of similar methods using different primitives either handcrafted or learned from data. Further, our qualitative and quantitative investigation into parameter choices and the use of different sets of receptive fields highlights the robustness and flexibility of our approach. Together, these results support the descriptive power of this family of time-causal spatio-temporal receptive fields, validate our approach for dynamic texture recognition and point towards the possibility of designing a range of video analysis methods based on these new time-causal spatio-temporal primitives.

Place, publisher, year, edition, pages
2017. , p. 25
Keyword [en]
dynamic texture, receptive field, spatio-temporal, time-causal, time-recursive, video descriptor, receptive field histogram, scale space
National Category
Computer Vision and Robotics (Autonomous Systems)
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-215984OAI: oai:DiVA.org:kth-215984DiVA, id: diva2:1150535
Projects
Scale-space theory for invariant and covariant visual receptive fieldsTime-causal receptive fields for computer vision and modelling of biological vision
Funder
Swedish Research Council, 2014-4083Stiftelsen Olle Engkvist Byggmästare, 2015/465
Note

QC 20171019

Available from: 2017-10-19 Created: 2017-10-19 Last updated: 2018-01-13Bibliographically approved

Open Access in DiVA

Dynamic_texture_recognition_JanssonLindeberg_arXiv2017(7582 kB)5 downloads
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Type fulltextMimetype application/pdf

Other links

arXiv:1710.04842

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Citation style
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