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Patent Searching and Data


Title:
3Dマップの作成
Document Type and Number:
Japanese Patent JP6842618
Kind Code:
B2
Abstract:
A computer-implemented method for building a 3D map, includes: obtaining plural videos and plural video-related data units, each of the plural video-related data units indicating a feature of radio wave signals received at a place where a corresponding video has been taken; reconstructing plural 3D models, respectively, based on the plural videos; selecting a pair of 3D models from the plural 3D models based on similarity between a corresponding pair of video-related data units; and merging the pair of 3D models to obtain the 3D map.

Inventors:
Vung Kumpi San Chayakorn
Tatsuya Ishihara
Application Number:
JP2015243591A
Publication Date:
March 17, 2021
Filing Date:
December 14, 2015
Export Citation:
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Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION
International Classes:
G09B29/00; G06T17/05
Domestic Patent References:
JP2007306217A
JP2003111128A
JP2002269592A
Foreign References:
US20140314322
US20140119598
US20130249902
Other References:
薄 充孝,ランドマークデータベースに基づく静止画像からのカメラ位置・姿勢推定,日本バーチャルリアリティ学会論文誌,特定非営利活動法人日本バーチャルリアリティ学会,2008年 6月30日,第13巻 第2号,pp. 161-170
小野 晋太郎,複数車載カメラ映像の時空間マッチングによる広域都市モデリングシステム,SSII2010 第16回 画像センシングシンポジウム講演論文集 [CD-ROM],日本,画像センシング技術研究会,2010年 6月 9日,IS4-08
Attorney, Agent or Firm:
Takeshi Ueno
Tasaichi Tanae