JP6208304B2 - 1次元信号抽出のための方法及び装置 - Google Patents
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Description
Claims (10)
- 投影線に沿って2次元デジタル画像から1次元デジタル信号を抽出するためのコンピュータ化された方法において、
ピクセルグリッド上に配列された複数のピクセルを含む2次元デジタル画像を受け取るステップ;
投影線を記述する情報を受け取るステップであって、該情報から投影線の向きを取得することができ、該向きは許容可能な向きのセットの1つであり、該許容可能な向きのセットは前記ピクセルグリッドに平行ではく、及び前記ピクセルグリッドに対して対角ではない複数の向きを含む前記ステップ;
前記向きに応じてピクセル重量テンプレートの反復シーケンスと相対的位置のシーケンスを選択するステップであって、前記ピクセル重量テンプレートのシーケンスは少なくとも2個の異なるピクセル重量テンプレートを含む前記ステップ;
前記少なくとも2個の異なるピクセル重量テンプレートの一つの重心が投影線上に置かれるように、前記少なくとも2個の異なるピクセル重量テンプレートの一つを調整するステップ;及び
前記相対的位置のシーケンスで配置された前記ピクセル重量テンプレートのシーケンスを用いてデジタル画像のピクセルの加重和のシーケンスを計算するステップ;
を含む、上記方法。 - 前記ピクセルグリッドに対するアラインメントのために、前記投影線の向きを調整するステップをさらに有する請求項1に記載の方法。
- 前記投影線の向きを調整するステップは、当該投影線をその中心の周りに回動させることを含む、請求項2に記載の方法。
- 前記投影線の向きを調整するステップは、当該投影線の端点を移動させることを含む、請求項2に記載の方法。
- 前記少なくとも2個の異なるピクセル重量テンプレートの一つを調整するステップは、前記少なくとも2個の異なるピクセル重量テンプレートの幾何中心からの前記少なくとも2個の異なるピクセル重量テンプレートの平均オフセットを計算して、前記少なくとも2個の異なるピクセル重量テンプレートの一つの目標位置を決定することを含む、請求項1に記載の方法。
- 前記少なくとも2個の異なるピクセル重量テンプレートの一つを調整するステップは、前記少なくとも2個の異なるピクセル重量テンプレートの一つの一方の側に重量を加算して、前記少なくとも2個の異なるピクセル重量テンプレートの一つの重心を動かすことを含む、請求項5に記載の方法。
- 前記少なくとも2個の異なるピクセル重量テンプレートの一つを調整するステップは、前記少なくとも2個の異なるピクセル重量テンプレートの一つの原点を個々に調整することを含む、請求項5に記載の方法。
- 前記少なくとも2個の異なるピクセル重量テンプレートの一つの原点を調整するステップは、前記少なくとも2個の異なるピクセル重量テンプレートの重心及び原点に関する2個の非線形連立方程式を解くことことを含む、請求項7に記載の方法。
- 請求項1〜8のいずれか1項記載の方法を実行するよう構成された、メモリ及びプロセッサを備えたシステム。
- 請求項1〜8のいずれか1項記載の方法を実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体。
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US13/336,275 | 2011-12-23 | ||
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US13/336,291 US9218536B2 (en) | 2011-12-23 | 2011-12-23 | Methods and apparatus for one-dimensional signal extraction |
US13/336,275 US9122952B2 (en) | 2011-12-23 | 2011-12-23 | Methods and apparatus for one-dimensional signal extraction |
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JP2016158954A Active JP6208304B2 (ja) | 2011-12-23 | 2016-08-12 | 1次元信号抽出のための方法及び装置 |
JP2017171593A Active JP6306256B2 (ja) | 2011-12-23 | 2017-09-06 | 1次元信号抽出のための方法及び装置 |
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US (3) | US9122952B2 (ja) |
EP (4) | EP3699821A1 (ja) |
JP (3) | JP6242341B2 (ja) |
CN (3) | CN113743137B (ja) |
HK (2) | HK1202682A1 (ja) |
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EP3699821A1 (en) | 2020-08-26 |
CN109086639A (zh) | 2018-12-25 |
CN109086639B (zh) | 2021-09-28 |
EP3547220B1 (en) | 2023-10-11 |
WO2013096526A3 (en) | 2013-10-10 |
HK1221537A1 (zh) | 2017-06-02 |
EP2985720A2 (en) | 2016-02-17 |
WO2013096526A2 (en) | 2013-06-27 |
US20130161398A1 (en) | 2013-06-27 |
HK1202682A1 (en) | 2015-10-02 |
JP2015501060A (ja) | 2015-01-08 |
US9122952B2 (en) | 2015-09-01 |
JP2018049605A (ja) | 2018-03-29 |
US20130163876A1 (en) | 2013-06-27 |
JP6242341B2 (ja) | 2017-12-06 |
US9589199B2 (en) | 2017-03-07 |
EP2795536A2 (en) | 2014-10-29 |
CN113743137A (zh) | 2021-12-03 |
US9218536B2 (en) | 2015-12-22 |
JP2017021814A (ja) | 2017-01-26 |
JP6306256B2 (ja) | 2018-04-04 |
EP2985720A3 (en) | 2016-10-05 |
CN113743137B (zh) | 2024-04-02 |
EP3547220A1 (en) | 2019-10-02 |
US20150363661A1 (en) | 2015-12-17 |
EP2795536B1 (en) | 2019-06-26 |
CN104067296B (zh) | 2018-07-06 |
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