JP4271941B2 - 患者の断層撮影投影画像を増強するための方法 - Google Patents
患者の断層撮影投影画像を増強するための方法 Download PDFInfo
- Publication number
- JP4271941B2 JP4271941B2 JP2002572101A JP2002572101A JP4271941B2 JP 4271941 B2 JP4271941 B2 JP 4271941B2 JP 2002572101 A JP2002572101 A JP 2002572101A JP 2002572101 A JP2002572101 A JP 2002572101A JP 4271941 B2 JP4271941 B2 JP 4271941B2
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- Japan
- Prior art keywords
- image
- sinogram
- data
- patient
- limited
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/08—Auxiliary means for directing the radiation beam to a particular spot, e.g. using light beams
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
- A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/50—Clinical applications
- A61B6/508—Clinical applications for non-human patients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1048—Monitoring, verifying, controlling systems and methods
- A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
Description
影されたサイノグラムは、第1または第2のサイノグラムの範囲の外にどんなデータが存在するのかを判断するために、第1または第2のサイノグラムと比較される。増強したサイノグラムを入手するために、この追加のデータは融合したサイノグラムと比較したサイノグラムに追加される。増強したサイノグラムは、融合整合再投影画像と呼ばれる画像に変換される。
子放射形断層撮影法のような異なる投影画像診断療法からの画像を整合するために一般的に使用することができる。それ故、データ収集方法が異なるために、2つの画像の間に整合のズレまたは不一致が起こる場合がある。
リングのようなMI技術のためにボクセルの数を低減する他の方法と比較すると、結果はより正確になる。
Claims (2)
- 患者の断層撮影投影画像を増強するための方法であって、
患者から入手された第1のサイノグラム・データ・セットを第1の画像に再構成するステップと、
前記第1の画像と第2の画像の位置合わせが最適になるように、第2の画像を前記第1の画像に整合させるステップと、
前記整合した画像を第3のサイノグラム・データ・セットに再投影するステップと、
前記第3のサイノグラム・データ・セットから、前記第1のサイノグラム・データ・セットで入手することができないデータを抽出するステップと、
増強したサイノグラム・データ・セットを入手するために、前のステップからの前記抽出データで前記第1のサイノグラム・データ・セットを増強するステップと、
前記増強したサイノグラム・データ・セットを第3の画像に再構成するステップとからなる方法。 - 患者の断層撮影投影画像を増強するための方法であって、
限定されたデータ・サイノグラムを限定されたデータ画像に変換するステップと、
変形した完全画像を入手するために、完全画像を前記限定されたデータ画像に整合させるステップと、
前記変形した完全画像のためにサイノグラムを再投影するステップと、
前記再投影したサイノグラムから入手した追加データで、前記限定されたデータ・サイノグラムを増強するステップと、
前記増強した限定されたデータ・サイノグラムを画像に変換するステップとを含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/802,468 US7046831B2 (en) | 2001-03-09 | 2001-03-09 | System and method for fusion-aligned reprojection of incomplete data |
PCT/US2002/007346 WO2002073519A1 (en) | 2001-03-09 | 2002-03-11 | System and method for fusion-aligned reprojection of incomplete data |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004530467A JP2004530467A (ja) | 2004-10-07 |
JP4271941B2 true JP4271941B2 (ja) | 2009-06-03 |
Family
ID=25183781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002572101A Expired - Lifetime JP4271941B2 (ja) | 2001-03-09 | 2002-03-11 | 患者の断層撮影投影画像を増強するための方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US7046831B2 (ja) |
EP (1) | EP1374151B1 (ja) |
JP (1) | JP4271941B2 (ja) |
AT (1) | ATE377813T1 (ja) |
CA (1) | CA2440244A1 (ja) |
DE (1) | DE60223346T2 (ja) |
ES (1) | ES2296918T3 (ja) |
WO (1) | WO2002073519A1 (ja) |
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2001
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2002
- 2002-03-11 WO PCT/US2002/007346 patent/WO2002073519A1/en active IP Right Grant
- 2002-03-11 AT AT02723390T patent/ATE377813T1/de not_active IP Right Cessation
- 2002-03-11 EP EP02723390A patent/EP1374151B1/en not_active Expired - Lifetime
- 2002-03-11 ES ES02723390T patent/ES2296918T3/es not_active Expired - Lifetime
- 2002-03-11 DE DE60223346T patent/DE60223346T2/de not_active Expired - Lifetime
- 2002-03-11 JP JP2002572101A patent/JP4271941B2/ja not_active Expired - Lifetime
- 2002-03-11 CA CA002440244A patent/CA2440244A1/en not_active Abandoned
- 2002-06-11 US US10/170,252 patent/US6915005B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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EP1374151A4 (en) | 2006-09-13 |
EP1374151B1 (en) | 2007-11-07 |
WO2002073519A1 (en) | 2002-09-19 |
US6915005B1 (en) | 2005-07-05 |
JP2004530467A (ja) | 2004-10-07 |
US20020136439A1 (en) | 2002-09-26 |
US7046831B2 (en) | 2006-05-16 |
CA2440244A1 (en) | 2002-09-19 |
ES2296918T3 (es) | 2008-05-01 |
ATE377813T1 (de) | 2007-11-15 |
DE60223346D1 (de) | 2007-12-20 |
EP1374151A1 (en) | 2004-01-02 |
DE60223346T2 (de) | 2008-08-28 |
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