JP2002045358A5 - - Google Patents

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JP2002045358A5
JP2002045358A5 JP2001130832A JP2001130832A JP2002045358A5 JP 2002045358 A5 JP2002045358 A5 JP 2002045358A5 JP 2001130832 A JP2001130832 A JP 2001130832A JP 2001130832 A JP2001130832 A JP 2001130832A JP 2002045358 A5 JP2002045358 A5 JP 2002045358A5
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【特許請求の範囲】
【請求項1】 (a)一フレームを構成する画像ピクセル値を取得する工程と、(b)ピクセル値の閾値に基づいて探索領域内のピクセル値を二値化する工程と、(c)二値化されたピクセル値に基づいて前記フレーム内の連続物体の数を数える工程と、を含む方法。
【請求項2】 前記連続物体の各々の面積を記録する工程をさらに含んでいる請求項1に記載の方法。
【請求項3】 前記二値化する工程の前に、前記画像ピクセル値のフレームをデシメートする工程をさらに含んでいる請求項1に記載の方法。
【請求項4】 前記二値化する工程の前に、前記画像ピクセル値のフレームに平滑化フィルタを適用する工程をさらに含んでいる請求項1に記載の方法。
【請求項5】 多数のピクセルを含んでいる表示装置(14)と、一フレームを構成する画像ピクセル値を記憶するメモリ(10又は16)と、コンピュータ(18)とを備えるシステムであって、該コンピュータが、(a)前記画像ピクセル値のフレームから導出される超音波画像を表示するように前記表示装置を制御する工程、(b)ピクセル値の閾値に基づいて探索領域内のピクセル値を二値化する工程、及び(c)二値化されたピクセル値に基づいて前記フレーム内の連続物体の数を数える工程を実行するようにプログラムされている、システム。
【請求項6】 前記コンピュータは、前記連続物体の各々の面積を記録する工程を実行するようにさらにプログラムされている請求項に記載のシステム。
【請求項7】 前記コンピュータは、前記二値化する工程の前に、前記画像ピクセル値のフレームをデシメートする工程を実行するようにさらにプログラムされている請求項に記載のシステム。
【請求項8】 (a)一フレームを構成する画像ピクセル値を取得する工程と、(b)ピクセル値の閾値に基づいて探索領域内のピクセル値を二値化する工程と、(c)第1の二値を有する第1のピクセルについて、隣接するピクセルのカーネル内の少なくとも第2のピクセルもまた前記第1の二値を有するか否かを決定する工程と、(d)前記第1及び第2のピクセルの両方が前記第1の二値を有する場合には前記第1及び第2のピクセルに同じ物体識別子を割り当てる工程と、を含んでいる方法。
【請求項9】 多数のピクセルを含んでいる表示装置(14)と、画像ピクセル値のフレームを記憶するメモリ(10又は16)と、コンピュータ(18)とを備えたシステムであって、該コンピュータが、(a)前記画像ピクセル値のフレームから導出される超音波画像を表示するように前記表示装置を制御する工程、(b)ピクセル値の閾値に基づいて探索領域内のピクセル値を二値化する工程、(c)第1の二値を有する第1のピクセルについて、隣接するピクセルのカーネル内の少なくとも第2のピクセルもまた前記第1の二値を有するか否かを決定する工程、並びに(d)前記第1及び第2のピクセルの両方が前記第1の二値を有する場合には前記第1及び第2のピクセルに同じ物体識別子を割り当てる工程を実行するようにプログラムされている、システム。
【請求項10】 組織の超音波画像を表示する手段(14)と、そこから前記超音波画像が導出された画像ピクセル値のフレームを記憶する手段(10又は16)と、連続物体を検出するために前記画像ピクセル値のフレームを二値化する手段(18)と、二値化の結果に基づいて前記画像の前記連続物体の質量中心を自動的に算出する手段(18)と、を備えたシステム。

JP2001130832A 2000-05-01 2001-04-27 嚢胞性物体の自動的な検出及び寸法測定の方法及び装置 Expired - Fee Related JP4749593B2 (ja)

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US09/563,538 US6312385B1 (en) 2000-05-01 2000-05-01 Method and apparatus for automatic detection and sizing of cystic objects
US09/563538 2000-05-01

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JP2002045358A JP2002045358A (ja) 2002-02-12
JP2002045358A5 true JP2002045358A5 (ja) 2008-06-19
JP4749593B2 JP4749593B2 (ja) 2011-08-17

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