JP2016519363A - ビュー分類に基づいたモデル初期化 - Google Patents
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Abstract
Description
イメージャによって1つの視野において取得された物体の画像を受信する入力ポートであって、画像は、イメージャの視野に対応する物体の姿勢を記録している、当該入力ポートと、
物体の幾何モデルを使用して、所定の(候補)姿勢の群から、画像内に記録された物体の姿勢を決定する分類器と、
決定された姿勢を記述する姿勢パラメータを出力する出力ポートとを含む。
Claims (12)
- イメージャによって1つの視野において取得された物体の画像を受信する入力ポートであって、前記画像は、前記イメージャの視野に対応する前記物体の姿勢を記録している、前記入力ポートと、
前記物体の幾何モデルを使用して、所定の姿勢の群から、前記画像内に記録された前記物体の前記姿勢を決定する分類器と、
決定された前記姿勢を記述する姿勢パラメータを出力する出力ポートと、
を含む、画像処理装置。 - 前記姿勢パラメータを初期化情報として使用して、前記推定される姿勢にある前記物体の前記画像をセグメント化するセグメンタを更に含む、請求項1に記載の画像処理装置。
- 前記分類器は、一般化ハフ変換を使用して、前記物体の前記姿勢を決定し、前記所定の姿勢のそれぞれは、前記一般化ハフ変換のハフパラメータ空間内の点に関連付けられている、請求項1又は2に記載の画像処理装置。
- 前記一般化ハフ変換は、複数の別個のハフアキュムレータに基づいており、各ハフアキュムレータは、前記所定の姿勢のうちの異なる1つの所定の姿勢の専用である、請求項3に記載の画像処理装置。
- 前記画像内の少なくとも1つのランドマークを特定する識別子を含み、前記所定の姿勢のそれぞれは、1つの変換に関連付けられ、前記分類器は、前記変換のうちの少なくとも1つの変換を使用して、特定された前記少なくとも1つのランドマークの座標を変換し、変換された前記少なくとも1つのランドマークの前記座標を、前記幾何モデルの少なくとも1つのターゲットランドマークの座標と比較して、類似性尺度に基づいて、前記変換の中から、ベストフィット変換を確立し、前記姿勢パラメータは、前記ベストフィット変換に関連付けられる姿勢を記述する、請求項1に記載の画像処理装置。
- 前記画像内のランドマークを特定する識別子を含み、前記所定の姿勢のそれぞれは、1つの変換に関連付けられ、前記分類器は、前記画像から前記幾何モデルへのスカウト変換を生成し、前記スカウト変換は、i)前記画像内の特定された前記ランドマークの座標と、ii)前記幾何モデル内のターゲットランドマークの座標とに基づいており、前記分類器は、類似性尺度に基づいて、前記スカウト変換を、前記所定の変換のうちの少なくとも1つと比較して、ベストフィット変換を確立し、前記姿勢パラメータは、前記ベストフィット変換に関連付けられる姿勢を記述する、請求項1に記載の画像処理装置。
- 前記分類器は、前記イメージャが使用されているときの前記イメージャの位置と撮像されるべき前記物体との間の予想される空間関係を反映する重みのセットを使用する、請求項1乃至6の何れか一項に記載の画像処理装置。
- 前記イメージャは、3次元超音波プローブであり、前記画像は、前記3次元超音波プローブによって取得された3次元データボリュームである、請求項1乃至7の何れか一項に記載の画像処理装置。
- イメージャによって1つの視野において取得された物体の画像を受信するステップであって、前記画像は、前記イメージャの視野に対応する前記物体の姿勢を記録している、前記ステップと、
前記物体の幾何モデルを使用して、所定の姿勢の群から、前記画像内に記録された前記物体の前記姿勢を決定するステップと、
決定された前記姿勢を記述する姿勢パラメータを出力するステップと、
を含む、画像処理方法。 - 前記姿勢パラメータを初期化情報として使用して、前記推定される姿勢にある前記物体の前記画像をセグメント化するステップを更に含む、請求項9に記載の方法。
- 請求項1乃至8の何れか一項に記載の画像処理装置を制御するコンピュータプログラムであって、処理ユニットによって実行されると、請求項9、10に記載される方法のステップを実行する、コンピュータプログラム。
- 請求項11のコンピュータプログラムを格納したコンピュータ可読媒体。
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US201361803822P | 2013-03-21 | 2013-03-21 | |
US61/803,822 | 2013-03-21 | ||
PCT/IB2014/059877 WO2014147542A1 (en) | 2013-03-21 | 2014-03-17 | View classification-based model initialization |
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US (1) | US10109072B2 (ja) |
EP (1) | EP2976737B1 (ja) |
JP (1) | JP6407959B2 (ja) |
CN (1) | CN105103164B (ja) |
BR (1) | BR112015023898A2 (ja) |
RU (1) | RU2669680C2 (ja) |
WO (1) | WO2014147542A1 (ja) |
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CN106462967B (zh) | 2014-05-14 | 2020-06-30 | 皇家飞利浦有限公司 | 用于超声图像的基于模型的分割的采集取向相关特征 |
WO2018201437A1 (zh) * | 2017-05-05 | 2018-11-08 | 上海联影医疗科技有限公司 | 一种图像分割方法及系统 |
CN110249626B (zh) * | 2017-10-26 | 2020-07-31 | 腾讯科技(深圳)有限公司 | 增强现实图像的实现方法、装置、终端设备和存储介质 |
JP7074888B2 (ja) * | 2018-08-20 | 2022-05-24 | ベイジン センスタイム テクノロジー デベロップメント カンパニー, リミテッド | 位置姿勢検出方法及び装置、電子機器並びに記憶媒体 |
RU2693267C1 (ru) * | 2018-10-23 | 2019-07-01 | Акционерное общество Научно-производственное предприятие "Авиационная и Морская Электроника" | Способ распознавания объектов на изображении |
CN110111330B (zh) * | 2019-05-17 | 2023-02-21 | 上海应用技术大学 | 手机屏幕检测方法 |
CN112241454B (zh) * | 2020-12-14 | 2021-02-19 | 成都数联铭品科技有限公司 | 一种处理样本倾斜的文本分类方法 |
CN112907596A (zh) * | 2021-05-06 | 2021-06-04 | 荣旗工业科技(苏州)股份有限公司 | 一种基于图像处理的线圈匝数在线测量方法 |
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- 2014-03-17 US US14/770,871 patent/US10109072B2/en active Active
- 2014-03-17 RU RU2015144974A patent/RU2669680C2/ru active
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JP2009178423A (ja) * | 2008-01-31 | 2009-08-13 | Toshiba Corp | 画像処理装置及びその方法 |
Non-Patent Citations (1)
Title |
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EP2976737B1 (en) | 2019-07-03 |
CN105103164A (zh) | 2015-11-25 |
BR112015023898A2 (pt) | 2017-07-18 |
JP6407959B2 (ja) | 2018-10-17 |
EP2976737A1 (en) | 2016-01-27 |
US20160012596A1 (en) | 2016-01-14 |
CN105103164B (zh) | 2019-06-04 |
US10109072B2 (en) | 2018-10-23 |
RU2669680C2 (ru) | 2018-10-12 |
RU2015144974A (ru) | 2017-04-27 |
WO2014147542A1 (en) | 2014-09-25 |
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