JP2007144174A - 被走査対象物内の領域を自動的に決定するための方法及びシステム - Google Patents
被走査対象物内の領域を自動的に決定するための方法及びシステム Download PDFInfo
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- JP2007144174A JP2007144174A JP2006316431A JP2006316431A JP2007144174A JP 2007144174 A JP2007144174 A JP 2007144174A JP 2006316431 A JP2006316431 A JP 2006316431A JP 2006316431 A JP2006316431 A JP 2006316431A JP 2007144174 A JP2007144174 A JP 2007144174A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 210000003484 anatomy Anatomy 0.000 claims abstract description 19
- 238000002059 diagnostic imaging Methods 0.000 claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims description 26
- 210000000056 organ Anatomy 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 2
- 238000013507 mapping Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 22
- 238000002591 computed tomography Methods 0.000 description 16
- 230000005855 radiation Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 238000012937 correction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 210000001217 buttock Anatomy 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
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- 238000012545 processing Methods 0.000 description 3
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- 238000004364 calculation method Methods 0.000 description 2
- 238000013170 computed tomography imaging Methods 0.000 description 2
- 210000001508 eye Anatomy 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 102100036255 Glucose-6-phosphatase 2 Human genes 0.000 description 1
- 101000930907 Homo sapiens Glucose-6-phosphatase 2 Proteins 0.000 description 1
- 238000000342 Monte Carlo simulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012633 nuclear imaging Methods 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
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- 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
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [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
- A61B6/48—Diagnostic techniques
- A61B6/488—Diagnostic techniques involving pre-scan acquisition
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10116—X-ray image
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- G—PHYSICS
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- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
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- G—PHYSICS
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- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
Abstract
【解決手段】本方法は、対象物(22)のスカウト走査を実行する段階と、スカウト走査からの減弱度情報に基づいて対象物内の領域を自動的に決定する段階を含む。別の実施形態では、医用イメージング・システムにより走査される人体内の領域の位置を決定するための方法を提供する。本方法は、医用イメージング・システムにより人体のスカウト走査を実行する段階と、スカウト走査を使用して人体内の解剖学的構造の位置を自動的に決定する段階を含む。
【選択図】図3
Description
12 ガントリ
14 X線源
16 X線ビーム
18 検出器アレイ
20 検出器素子
22 対象物
24 回転中心
26 制御機構
32 データ収集システム
42 陰極線管表示装置
48 ガントリ開口
60 模範的な方法
100 人体
102 楕円
104 投影測度(PM)
106 投影面積(PA)
Claims (10)
- 対象物(22)のスカウト走査を実行する段階と、
スカウト走査からの減弱度情報に基づいて対象物内の領域を自動的に決定する段階と、
を有する、イメージング・システム(10)を制御する方法。 - 前記スカウト走査はX線走査を含んでいる、請求項1記載の方法。
- 前記減弱度情報は減弱度データの大きさを含んでいる、請求項1記載の方法。
- 前記領域を自動的に決定する段階は更に、前記スカウト走査からの変化率及び対称性情報を使用する段階を含んでいる、請求項1記載の方法。
- 前記対象物(22)は人体であり、前記領域を自動的に決定する段階は、前記人体の横隔膜の位置を自動的に決定する段階を含んでいる、請求項1記載の方法。
- 前記対象物(22)は人体であり、前記領域を自動的に決定する段階は、前記人体の頭部の位置を自動的に決定する段階を含んでいる、請求項1記載の方法。
- 前記対象物(22)は人体であり、前記領域を自動的に決定する段階は、予想される人体の解剖学的構造情報に基づいて前記人体の複数の器官の位置を自動的に決定する段階を含んでいる、請求項1記載の方法。
- 前記予想される人体の解剖学的構造情報は、性別、年齢及び大きさの情報の内の少なくとも1つを含んでいる、請求項7記載の方法。
- 前記対象物(22)は人体であり、前記方法は更に、前記自動的決定を使用して患者の解剖学的目印を写像する段階を含んでいる、請求項1記載の方法。
- スカウト走査を実行するように構成されているスキャナと、
スカウト走査に基づいて人体内の解剖学的位置を自動的に決定するように構成されている解剖学的構造決定装置(21)と、
を含んでいる医用イメージング・システム(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/287,029 US7983457B2 (en) | 2005-11-23 | 2005-11-23 | Method and system for automatically determining regions in a scanned object |
US11/287,029 | 2005-11-23 |
Publications (2)
Publication Number | Publication Date |
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JP2007144174A true JP2007144174A (ja) | 2007-06-14 |
JP5307331B2 JP5307331B2 (ja) | 2013-10-02 |
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JP2006316431A Active JP5307331B2 (ja) | 2005-11-23 | 2006-11-24 | 被走査対象物内の領域を自動的に決定するための方法及びシステム |
Country Status (4)
Country | Link |
---|---|
US (1) | US7983457B2 (ja) |
JP (1) | JP5307331B2 (ja) |
CN (1) | CN1969757B (ja) |
NL (1) | NL1032927C2 (ja) |
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JP2011004980A (ja) * | 2009-06-25 | 2011-01-13 | Toshiba Corp | X線ct装置及び移動制御プログラム |
CN101401725B (zh) * | 2007-09-27 | 2013-08-21 | 西门子公司 | 使用混合成像系统治疗患者的装置 |
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JP4855141B2 (ja) * | 2006-05-19 | 2012-01-18 | 富士フイルム株式会社 | 医用画像部位認識装置、及び、医用画像部位認識プログラム |
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CN104287768A (zh) * | 2014-09-30 | 2015-01-21 | 沈阳东软医疗系统有限公司 | 一种ct扫描剂量控制方法及系统 |
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Also Published As
Publication number | Publication date |
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NL1032927C2 (nl) | 2010-01-12 |
US20070116337A1 (en) | 2007-05-24 |
CN1969757A (zh) | 2007-05-30 |
US7983457B2 (en) | 2011-07-19 |
NL1032927A1 (nl) | 2007-05-24 |
JP5307331B2 (ja) | 2013-10-02 |
CN1969757B (zh) | 2011-07-06 |
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