書誌事項
- タイトル別名
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- Local and Relative Optical Flow Estimation
- キョクショ ソウタイテキ オプティカルフロー スイテイ
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In this paper, we deal with the fundamental equation of a optical flow estimation by gradient method. We introduce the fundamental equation keeps its form invariant in any coordinate systems, even if coordinates are time varying.<br>With the above fact, we can calculate a relative optical flow corresponding to the coordinate system, and/or local optical flow in the coordinate system spanned in a local area on the moving object, using the fundamental equation of the same form.<br>This kind of optical flow implies movements on the corresponding coordinate system. We call it the Local and Relative Optical Flow (LROF), and confirm it by simulation of some examples.<br>This method extremely saves calculation of optical flow estimation compared with the conventional method, since LROF needs a small calculation only on the region of interest.<br>LROF may be widely applicable to many problems for estimating movements in local area on an object moving or form-changing in scene, such as strain analysisses or motion estimations of muscle on some medical images.
収録刊行物
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- 電気学会論文誌Ｃ（電子・情報・システム部門誌）
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電気学会論文誌Ｃ（電子・情報・システム部門誌） 118 (3), 339-345, 1998
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390282679584143104
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- NII論文ID
- 130006843405
- 10007552985
- 10002813259
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- NII書誌ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL書誌ID
- 4423999
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- NDL
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