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DEVICE FOR CALCULATING NORMAL VECTOR, METHOD, AND PROGRAM

外国特許コード F190009851
整理番号 (AF49P001)
掲載日 2019年7月25日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2018JP044648
国際公開番号 WO 2019111920
国際出願日 平成30年12月5日(2018.12.5)
国際公開日 令和元年6月13日(2019.6.13)
優先権データ
  • 特願2017-236423 (2017.12.8) JP
発明の名称 (英語) DEVICE FOR CALCULATING NORMAL VECTOR, METHOD, AND PROGRAM
発明の概要(英語) A point acquisition unit 10 of a device 100 acquires a plurality of acquisition points on a surface. A normal vector calculation unit 20: selects a plurality of points from among the acquisition points; selects a plurality of external points from among acquisition points outside of the center of a circle in relation to circles around each of the selected points; and, when a virtual attraction acts between each of the selected external points and points that are closest to the circumference of the circles, calculates a normal vector in a direction toward the circle due to the attraction as a normal vector at the center of the circle on the surface.
従来技術、競合技術の概要(英語) BACKGROUND ART
3 The coordinates of the point group on a two-dimensional plane based on the normal at each point, (RBF: Radial Basis Function) to a radial base function is used, the technique of estimating the original three-dimensional surface shape 3 has been disclosed (for example, see Patent Document 1).
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • 発明者(英語)
  • MASUTANI Yoshitaka
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
参考情報 (研究プロジェクト等) CREST Modeling Methods allied with Modern Mathematics AREA
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