JP5143333B2 - 異なる種類の画像において異常部を観察するための画像処理を行うシステム及び方法 - Google Patents
異なる種類の画像において異常部を観察するための画像処理を行うシステム及び方法 Download PDFInfo
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- A61B8/5238—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image
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- A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
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- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
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Description
x1 =c1x1u1+t1 (1)
y1 =c2y1u1+t2 (2)
z1 =c3z1u1+t3 (3)
であり、ここで、係数c3 は未知であり、並進(translation) 値t1 、t2 及びt3 は未知であり、c1 は図12に示されているXYZ座標系のX軸に沿った方向における画素の長さであり、c2 は図12に示されているXYZ座標系のY軸に沿った方向における画素の長さであり、c3 は超音波容積180内の相次ぐスライス相互の間の距離を表す。X軸に沿った方向における長さc1 及びY軸に沿った方向における長さc2 を持つ画素は、超音波容積180の超音波画像の一平面上の画素である。
x1x1−q1 =γ1(c1x1u1+t1−q1) (4)
y1x1−q2 =γ1(c2y1u1+t2−q2) (5)
z1x1−q3 =γ1(c3z1u1+t3−q3) (6)
となる。ここで、γ1 は未知の実数であり、(x1x1,y1x1,z1x1)はXYZ座標系における点Bの座標である。点Bが平面Y=0上にあるので、y1x1=0である。しかしながら、点BがY=0以外の任意の平面上にある場合、Yはゼロに等しくない。
x2x2−q1 =γ2(c1x2u2+t1−q1) (7)
y2x2−q2 =γ2(c2y2u2+t2−q2) (8)
z2x2−q3 =γ2(c3z2u2+t3−q3) (9)
である。ここで、(x2u2,y2u2,z2u2)はX’Y’Z’座標系における点Cの座標であり、(x2 ,y2 ,z2 )はXYZ座標系における点Cの座標であり、
x2 =c1x2u2+t1 (10)
y2 =c2y2u2+t2 (11)
z2 =c3z2u2+t3 (12)
である。
14 超音波イメージング・システム
16 プローブ移動装置組立体
18 超音波プローブ
20 トモシンセシス・イメージング・システム
22 撮像対象物
23 乳房
24 放射線源
26 検出器アレイ
28 投影角度
30 平面
38 制御機構
54 表示装置
56 圧迫パドル
58 層
62 歩進モータ
64 レセプタクル
66 キャリッジ
68 リミット・スイッチ
70 U字形プレート
72 レセプタクル
80 関心のある対象物の画像を作成するための模範的な方法
100 圧迫パドル・レセプタクル
102 X線位置決め装置
104 取付け具
106 プローブ・レセプタクル
108 X線管ハウジング
110 位置決め装置
112 第1の投影角度
114 第2の投影角度
120 音響結合用ゲル
126 胸壁
128 乳首領域
130 コンピュータ
132 歩進モータ制御装置
150 システム
152 異常部
154 ワークステーション
156 ワークステーション
158 X線画像
160 関心領域
162 関心領域
180 超音波容積
182 平面
184 端点
185 端点
186 端点
187 端点
190 超音波画像
192 超音波画像
194 超音波画像
196 超音波画像
Claims (6)
- 観察対象の複数の異常部(152)の画像を異なる種類の画像により観察するための画像処理方法であって、
第1のイメージング・システム(20)を使用して対象物を走査して得たところの、該対象物の少なくとも第1の画像(158)を前記第1のイメージング・システム(20)のメモリが記憶する段階と、
前記メモリに記憶された前記第1の画像(158)上で観察可能で、前記複数の異常部(152)を含む関心領域(ROI)(160)の座標を、画像処理によりコンピュータが自動的に決定する段階と、
前記得られたROI(160)の座標を使用して、第2のイメージング・システム(14)が走査することにより得た前記対象物の画像を前記第2のイメージング・システム(14)のメモリが記憶する段階と
を含み、更に、前記第2の画像の複数の異常部(152)の画像が、前記第1のイメージング・システム(20)の前記ROI(160)に整合する前記第2のイメージング・システム(14)のROI(162)に一度に一つずつ表示されるように、前記第1のイメージング・システム(20)が作成した前記第1の画像(158)の2次元(2D)データを、コンピュータが、前記第2のイメージング・システム(14)により前記対象物を走査することによって得られた3次元(3D)データと整合させる段階を含んでいる画像処理方法。 - 前記第1の画像(158)上で観察可能であるROI(160)の座標をコンピュータが自動的に決定する前記段階は、コンピュータ支援設計(CAD)アルゴリズムを使用することによって前記ROI(160)をコンピュータが自動的に記入することを含むことを特徴とする請求項1記載の画像処理方法。
- 前記ROI(160)の座標を使用した、第2のイメージング・システム(14)による前記対象物の走査は、
前記対象物の特定の領域を走査するために、超音波プローブ移動装置がプローブ(18)を前記座標へ移動させる段階であって、該特定の領域が前記座標によって規定されている、段階と、
前記第2のイメージング・システム(14)が前記対象物の特定の領域を走査して、少なくとも1つの第2の画像を得る段階と、
を含むことを特徴とする請求項1記載の画像処理方法。 - 更に、前記第1及び第2の画像を表示装置が同時に表示して、ユーザが前記複数の異常部(152)を観察できるようにする段階を含むことを特徴とする請求項3記載の画像処理方法。
- 前記第1の画像(158)が作成された2Dデータの3Dデータとの整合は、
少なくとも6つの未知数を持つ少なくとも6つの式をコンピュータが求める段階であって、各々の式が、前記第1のイメージング・システム(20)から取得された2Dデータの座標と前記第2のイメージング・システム(14)から取得された3Dデータの座標と間の関係を設定する、段階と、
前記6つの式を解いて前記6つの未知数をコンピュータが求める段階と、
を含むことを特徴とする請求項1記載の画像処理方法。 - 異なる種類の画像において複数の異常部(152)を観察するためのシステムであって、
対象物を走査して該対象物の少なくとも1つのX線画像(158)を得るように構成されているX線イメージング・システム(20)と、
このシステムの制御装置(130)であって、
a)前記X線画像(158)上で観察可能であって複数の異常部(152)を含む関心領域(ROI)(160)の座標を画像処理により自動的に決定し、
b)前記ROI(160)の座標を利用して、超音波イメージング・システム(14)によって前記対象物を走査し、
c)前記超音波イメージング・システム(14)が作成した前記複数の異常部(152)の画像が、前記X線画像(158)の前記ROI(160)に整合する前記超音波イメージング・システム(14)のROI(162)に一度に一つずつ表示されるように、前記X線画像(158)が作成された2次元(2D)データを、前記超音波イメージング・システム(14)により前記対象物を走査することによって得られた3次元(3D)データと整合させるように構成されている前記制御装置(130)と、
を有しているシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/692,450 | 2003-10-23 | ||
US10/692,450 US20050089205A1 (en) | 2003-10-23 | 2003-10-23 | Systems and methods for viewing an abnormality in different kinds of images |
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JP2005125080A JP2005125080A (ja) | 2005-05-19 |
JP5143333B2 true JP5143333B2 (ja) | 2013-02-13 |
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US (1) | US20050089205A1 (ja) |
JP (1) | JP5143333B2 (ja) |
DE (1) | DE102004043793A1 (ja) |
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US7577282B2 (en) * | 2002-11-27 | 2009-08-18 | Hologic, Inc. | Image handling and display in X-ray mammography and tomosynthesis |
FR2855292B1 (fr) * | 2003-05-22 | 2005-12-09 | Inst Nat Rech Inf Automat | Dispositif et procede de recalage en temps reel de motifs sur des images, notamment pour le guidage par localisation |
EP1738407B1 (en) | 2004-04-20 | 2014-03-26 | Visualsonics Inc. | Arrayed ultrasonic transducer |
JP5156376B2 (ja) * | 2004-07-30 | 2013-03-06 | フィッシャー イメイジング コーポレイション | イメージング装置及び方法 |
DE102004051401A1 (de) * | 2004-10-21 | 2006-05-24 | Siemens Ag | Verfahren zur Befundung in der dreidimensionalen Bildgebung, insbesondere in der Mammographie |
EP2602743B1 (en) * | 2004-11-15 | 2014-11-05 | Hologic, Inc. | Matching geometry generation and display of mammograms and tomosynthesis images |
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CN101138010B (zh) * | 2005-03-10 | 2011-05-18 | 皇家飞利浦电子股份有限公司 | 用于将二维和三维图像数据对准的图像处理系统和方法 |
DE102005017337B4 (de) * | 2005-04-14 | 2008-06-19 | Siemens Ag | Verfahren, Vorrichtung und Datenträger mit einem Computerprogrammprodukt zur Analyse von dreidimensionalen digitalen Bilddaten |
EP2289453B1 (en) * | 2005-06-06 | 2015-08-05 | Intuitive Surgical Operations, Inc. | Laparoscopic ultrasound robotic surgical system |
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JP5630958B2 (ja) * | 2005-11-02 | 2014-11-26 | ビジュアルソニックス インコーポレイテッド | 高周波数アレイ超音波システム |
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