Presentation 2016-08-26
Exact Solution Method for TV-Lp Optical Flow Optimization
Marina Hayasaka, Hiroyuki Kudo,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) The method for calculating the optical flow, there is block matching and minimization of energy function by graph cut. But those methods include problems, the case that is different in the contrast between two images is difficult by the block matching method, and the graph cut method need complex implementation with much memory consumption and remains in an approximate solution. Therefore we introduce the level set expression by Ishikawa et al. into the energy function which is based on MRF model, and multi-valued labeling problem return to the two-valued labeling problem. And we can calculate exact solution by continuous convex optimization such as subgradient method, focusing on submodular of the energy function, to define the minimization problem of continuous convex function with same solution by Lovasz extension.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Optical Flow / Energy minimization / Level set / Lovasz extension / Graph cut
Paper # SIP2016-79
Date of Issue 2016-08-18 (SIP)

Conference Information
Committee SIP
Conference Date 2016/8/25(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Chiba Institute of Technology, Tsudanuma Campus
Topics (in Japanese) (See Japanese page)
Topics (in English) Fundamental theory, machine learning, and signal processing
Chair Makoto Nakashizuka(Chiba Inst. of Tech.)
Vice Chair Masahiro Okuda(Univ. of Kitakyushu) / Shogo Muramatsu(Niigata Univ.)
Secretary Masahiro Okuda(Ritsumeikan Univ.) / Shogo Muramatsu(Chiba Inst. of Tech.)
Assistant Osamu Watanabe(Takushoku Univ.)

Paper Information
Registration To Technical Committee on Signal Processing
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Exact Solution Method for TV-Lp Optical Flow Optimization
Sub Title (in English)
Keyword(1) Optical Flow
Keyword(2) Energy minimization
Keyword(3) Level set
Keyword(4) Lovasz extension
Keyword(5) Graph cut
1st Author's Name Marina Hayasaka
1st Author's Affiliation Tsukuba University(Tsukuba Univ.)
2nd Author's Name Hiroyuki Kudo
2nd Author's Affiliation Tsukuba University(Tsukuba Univ.)
Date 2016-08-26
Paper # SIP2016-79
Volume (vol) vol.116
Number (no) SIP-196
Page pp.pp.33-38(SIP),
#Pages 6
Date of Issue 2016-08-18 (SIP)