JP5100323B2 - 複数の画像の間で対応する標認点を同期させるシステム - Google Patents
複数の画像の間で対応する標認点を同期させるシステム Download PDFInfo
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- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/754—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries involving a deformation of the sample pattern or of the reference pattern; Elastic matching
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Description
102 画像供給源ユニット
103 第一の画像集合
104 メモリ・ユニット
105 第二の画像集合
106 参照点識別ユニット
107 第二の画像集合
108 標認点ユニット
110 位置揃えユニット
112 操作コンソール
114 画像表示ユニット
116 画像表示ユニット
210 仰臥時画像集合
220 伏臥時画像集合
330 参照点
1000 方法
1002 仰臥時画像集合210及び伏臥時画像集合220が画像供給源ユニット102によって取得される
1004 仰臥時画像集合210及び伏臥時画像集合220が画像供給源ユニット102によって取得されて、メモリ・ユニット104に伝達される
1006 メモリ・ユニット104が仰臥時画像集合及び伏臥時画像集合210、220を記憶する
1008 次いで、仰臥時画像集合210及び伏臥時画像集合220を参照点識別ユニットへ送信する
1010 参照点識別ユニット106を手動又は自動を問わず用いて、計算目的のための参照点を識別する
1011 次いで、伏臥時画像集合及び仰臥時画像集合220、210を標認点ユニットへ送信する
1012 次いで、伏臥時画像集合220及び仰臥時画像集合210における複数の標認点を手動で又は自動で識別する
1014 一旦、仰臥時画像集合210及び伏臥時画像集合220の標認点が手動及び/又は自動を問わず識別されたら(ブロック1012)、仰臥時画像集合210及び伏臥時画像集合220の標認点同士の間の対応性を決定する
1016 次いで、参照点330を用いて、標認点ユニット108は、伏臥時画像集合220の各々の標認点の伏臥時画像集合220の各々の隣接する標認点からの距離を決定すると共に、仰臥時画像集合210の各々の標認点の仰臥時画像集合210の各々の隣接する標認点からの距離を決定する
1018 次いで、標認点ユニット108は、仰臥時画像集合210の各々の一対の隣接する標認点と、伏臥時画像集合220の対応する一対の隣接する標認点との間の距離変換を決定する
1020 各々の画像集合210、220からの標認点、伏臥時画像集合及び仰臥時画像集合220、210におけるそれぞれ標認点同士の間の決定された対応性、並びに各々の決定された距離変換をメモリ108に記憶する
1022 一旦、メモリ・ユニット104が位置揃えユニット110又は標認点ユニット108から受け取った処理済みの画像集合220、210を記憶したら(ブロック1020)、処理済みの画像集合220、210を表示する
1024 画像集合220、210を表示するときに、画像表示ユニット114、116は決定された距離変換を用いて、各々の画像集合220、210の標認点の間での滑らかなナビゲーションを可能にする
Claims (8)
- 対象の複数の画像の間で対応する標認点を同期させるシステム(100)であって、
前記対象の第一の画像(103、210)及び前記対象の第二の画像(105、220)において複数の標認点を識別し(1012)、
前記第一の画像(103、210)における前記標認点と前記第二の画像(105、220)における前記標認点との間の対応性を決定し(1014)、
前記第一の画像(103、210)における一対の隣接する標認点の間の第一のナビゲート速度と、前記第二の画像(103、210)における対応する一対の隣接する標認点の間の前記第一のナビゲート速度とは異なる第二のナビゲート速度を決定する(1018)
ように構成されている標認点ユニット(108)と、
前記対象の前記第一(103、210)及び第二(105、220)の画像を表示する画像表示ユニット(114、116)であって、ナビゲーション時に前記第一(103、210)及び第二(105、220)の画像の対応する標認点に略同時に到達するような前記第一及び第二のナビゲート速度を用いて前記隣接する標認点の間で滑らかにナビゲーションを行なう(1024)ように構成されている画像表示ユニット(114、116)と
を備えたシステム(100)。 - 前記対象の前記第一の画像(103、210)における第一の参照点(330)及び前記対象の前記第二の画像(105、220)における第二の参照点(330)であって、前記第一の参照点(330)は前記第二の参照点(330)に対応している、第一の参照点(330)及び第二の参照点(330)を識別する(1016)ように構成されている参照点識別(106)ユニットをさらに含んでいる請求項1に記載のシステム。
- 前記標認点ユニット(108)は、
前記第一の画像(103、210)における前記一対の隣接する標認点の間の第一の距離を決定し(1016)、
前記第二の画像(105、220)における前記対応する一対の隣接する標認点の間の第二の距離を決定して(1016)、
前記距離変換を得るように前記第一及び第二の距離を比較する
ことにより、前記第一の画像(103、210)における前記一対の隣接する標認点と、前記第二の画像(105、220)における前記対応する一対の隣接する標認点との間の前記距離変換を決定する(1018)ように構成されている、請求項1に記載のシステム。 - 前記対象の前記第一(103、210)及び第二(105、220)の画像は、二次元像、三次元像及び四次元像の少なくとも一つである、請求項1に記載のシステム。
- 前記対象は人体の結腸であり、前記第一(103、210)及び第二(105、220)の画像は計算機式断層写真法走査であり、前記第一の画像(103、210)は前記人体の伏臥時走査であり、前記第二の画像(105、220)は前記人体の仰臥時走査である、請求項1に記載のシステム。
- 前記標認点ユニット(108)及び前記画像表示ユニット(114、116)に接続されて動作する操作コンソール・ユニット(112)をさらに含んでいる請求項1に記載のシステム。
- 前記標認点ユニット(108)は、利用者が、前記対象の前記第一の画像(103、210)及び前記対象の前記第二の画像(105、220)における前記複数の標認点を手動で識別することを可能にする、請求項1に記載のシステム。
- 前記標認点ユニット(108)は、利用者が、前記第一の画像(103、210)における前記標認点と前記第二の画像(105、220)における前記標認点との間の前記対応性を手動で決定することを可能にする、請求項1に記載のシステム。
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US11/603,718 | 2006-11-22 | ||
US11/603,718 US8160395B2 (en) | 2006-11-22 | 2006-11-22 | Method and apparatus for synchronizing corresponding landmarks among a plurality of images |
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JP2008126076A JP2008126076A (ja) | 2008-06-05 |
JP2008126076A5 JP2008126076A5 (ja) | 2012-09-27 |
JP5100323B2 true JP5100323B2 (ja) | 2012-12-19 |
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JP (1) | JP5100323B2 (ja) |
DE (1) | DE102007052857A1 (ja) |
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JP2008126076A (ja) | 2008-06-05 |
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