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Separable time-causal and time-recursive spatio-temporal receptive fields
KTH, Skolan för datavetenskap och kommunikation (CSC), Beräkningsbiologi, CB.ORCID-id: 0000-0002-9081-2170
2015 (engelsk)Inngår i: Scale Space and Variational Methods in Computer Vision: 5th International Conference, SSVM 2015, Lège-Cap Ferret, France, May 31 - June 4, 2015, Proceedings / [ed] J.-F. Aujol et al., Springer, 2015, s. 90-102Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We present an improved model and theory for time-causal and time-recursive spatio-temporal receptive fields,obtained by a combination of Gaussian receptive fields over the spatial domain and first-order integrators or equivalently truncated exponential filters coupled in cascade over the temporal domain. Compared to previous spatio-temporal scale-space formulations in terms of non-enhancement of local extrema or scale invariance, these receptive fields are based on different scale-space axiomatics over time by ensuring non-creation of new local extrema or zero-crossings with increasing temporal scale. Specifically, extensions are presented about parameterizing the intermediate temporal scale levels, analysing the resulting temporal dynamics and transferring the theory to a discrete implementation in terms of recursive filters over time.

sted, utgiver, år, opplag, sider
Springer, 2015. s. 90-102
Serie
Lecture Notes in Computer Science ; 9087
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-160482DOI: 10.1007/978-3-319-18461-6_8ISBN: 978-3-319-18461-6 (tryckt)OAI: oai:DiVA.org:kth-160482DiVA, id: diva2:789796
Konferanse
SSVM 2015: Fifth International Conference on Scale Space and Variational Methods in Computer Vision, Lège Cap Ferret, France, 31 May - 4 June, 2015
Forskningsfinansiär
Swedish Research Council, 2010-4766,2014-4083
Merknad

QC 20150511

Tilgjengelig fra: 2015-02-20 Laget: 2015-02-20 Sist oppdatert: 2018-01-11bibliografisk kontrollert

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Forlagets fulltekstPreprint at arXiv:1504.01502At author's home pageThe final publication is available at www.springerlink.com

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Lindeberg, Tony

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