JP7450166B2 - 変位検出方法及び変位検出装置 - Google Patents
変位検出方法及び変位検出装置 Download PDFInfo
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Description
まず、本実施の形態に係る三次元モデル処理システムの構成を説明する。図1は、本実施の形態に係る三次元モデル処理システム100の構成を示す図である。この三次元モデル処理システム100は、複数の端末装置101と、三次元モデル処理装置102とを含む。
101 端末装置
102 三次元モデル処理装置
111 三次元モデル生成装置
112 モデル保存部
113 変位検出装置
114 UI部
121 撮像部
122 制御部
123 画像処理部
124 UI部
125 画像保存部
126 送信部
127 三次元情報保存部
128 受信部
131 画像受信部
132 カメラパラメータ推定部
133 三次元モデル生成部
134 三次元モデル送信部
135 画像保存部
136 カメラパラメータ保存部
137 三次元モデル保存部
141 三次元モデル取得部
142 変位領域検出部
143 領域情報送信部
144 三次元モデル保存部
145 変位情報保存部
Claims (9)
- 同一領域の三次元モデルであって、互いに時刻の異なる第1三次元モデルと第2三次元モデルとの変位を検出する変位検出方法であって、
前記第1三次元モデル及び前記第2三次元モデルに含まれる対応点を前記第1三次元モデルに含まれる複数の第1対象物及び前記第2三次元モデルに含まれる複数の第2対象物の属性情報を用いて検出し、
検出された前記対応点を用いて、前記第1三次元モデルと前記第2三次元モデルとの座標空間を合わせる位置合わせを行い、
位置合わせ後の前記第1三次元モデル及び前記第2三次元モデルの変位を検出する
変位検出方法。 - 前記対応点の検出では、前記属性情報に基づき前記複数の第1対象物及び前記複数の第2対象物のうち人工物を優先的に用いて、前記対応点を検出する
請求項1記載の変位検出方法。 - 前記対応点の検出では、
ユーザの操作に基づき、前記複数の第1対象物から第1選択対象物を選択し、
前記複数の第2対象物から、前記第1選択対象物と同一の属性情報を有する第2選択対象物を選択し、
前記第1選択対象物と前記第2選択対象物とを用いて、前記対応点を検出する
請求項1記載の変位検出方法。 - 前記第2選択対象物の選択では、
ユーザが、前記複数の第2対象物から前記第2選択対象物を選択するためのユーザインタフェースを表示し、
前記ユーザインタフェースを介した前記ユーザの操作に基づき、前記複数の第2対象物から前記第2選択対象物を選択し、
前記ユーザインタフェースでは、前記複数の第2対象物のうち、前記第1選択対象物と同一の属性情報を有する第2対象物のみが選択可能である
請求項3記載の変位検出方法。 - 前記第2選択対象物の選択では、
ユーザが、前記複数の第2対象物から前記第2選択対象物を選択するためのユーザインタフェースを表示し、
前記ユーザインタフェースを介した前記ユーザの操作に基づき、前記複数の第2対象物から前記第2選択対象物を選択し、
前記ユーザインタフェースでは、前記複数の第2対象物のうち、前記第1選択対象物と同一の属性情報を有する第2対象物が、前記第1選択対象物と異なる属性情報を有する第2対象物よりも強調表示される
請求項3記載の変位検出方法。 - 前記位置合わせは、前記第1三次元モデルと前記第2三次元モデルとのサイズを合わせる処理を含む
請求項1記載の変位検出方法。 - 前記第1三次元モデルは、撮影された複数の第1画像を用いて生成され、
前記第2三次元モデルは、撮影された複数の第2画像を用いて生成され、
前記複数の第1画像と前記複数の第2画像とは、異なる位置で撮影される
請求項1記載の変位検出方法。 - 前記属性情報は、上位階層及び下位階層を含む階層構造を有し、
前記対応点の検出では、前記下位階層の属性情報を用いて、前記対応点の探索範囲の絞り込みを行い、当該探索範囲に対応点が存在しない場合には、上位階層の属性情報を用いて前記探索範囲の絞り込みを行う
請求項1記載の変位検出方法。 - 同一領域の三次元モデルであって、互いに時刻の異なる第1三次元モデルと第2三次元モデルとの変位を検出する変位検出装置であって、
プロセッサと、
メモリとを備え、
前記プロセッサは、前記メモリを用いて、
前記第1三次元モデル及び前記第2三次元モデルに含まれる対応点を前記第1三次元モデルに含まれる複数の第1対象物及び前記第2三次元モデルに含まれる複数の第2対象物の属性情報を用いて検出し、
検出された前記対応点を用いて、前記第1三次元モデルと前記第2三次元モデルとの座標空間を合わせる位置合わせを行い、
位置合わせ後の前記第1三次元モデル及び前記第2三次元モデルの変位を検出する
変位検出装置。
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EP3936816A4 (en) | 2022-05-04 |
US20240155224A1 (en) | 2024-05-09 |
CN113518893A (zh) | 2021-10-19 |
US11956532B2 (en) | 2024-04-09 |
EP3936816A1 (en) | 2022-01-12 |
US20210400189A1 (en) | 2021-12-23 |
JP2024061721A (ja) | 2024-05-08 |
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