JP4856356B2 - 画像形成シーケンスにおける関心対象部分を用いた画像圧縮及び復元方法及びシステム - Google Patents
画像形成シーケンスにおける関心対象部分を用いた画像圧縮及び復元方法及びシステム Download PDFInfo
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- JP4856356B2 JP4856356B2 JP2003283279A JP2003283279A JP4856356B2 JP 4856356 B2 JP4856356 B2 JP 4856356B2 JP 2003283279 A JP2003283279 A JP 2003283279A JP 2003283279 A JP2003283279 A JP 2003283279A JP 4856356 B2 JP4856356 B2 JP 4856356B2
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- 230000006835 compression Effects 0.000 title claims description 84
- 238000007906 compression Methods 0.000 title claims description 84
- 238000000034 method Methods 0.000 title claims description 54
- 230000006837 decompression Effects 0.000 title claims description 24
- 238000003384 imaging method Methods 0.000 claims description 27
- 230000002123 temporal effect Effects 0.000 claims description 11
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 9
- 239000002872 contrast media Substances 0.000 claims description 8
- 238000002591 computed tomography Methods 0.000 claims description 5
- 238000003708 edge detection Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000002059 diagnostic imaging Methods 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 8
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Image Analysis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Image Processing (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Description
25 圧縮された画像シーケンス
40 分析的に適切な画像シーケンス
100 画像形成システム
110 関心対象部分決定ブロック
130 画像圧縮ブロック
140 画像復元ブロック
150 画像形成装置
Claims (5)
- 画像圧縮及び復元方法であって、
時間が経つにつれて獲得した複数の画像フレームで構成された3次元の画像形成シーケンス(5)の前記複数の画像フレームに対しエッジ検出及び輪郭分析の処理を行い、関心対象部分となる幾何学的に閉鎖した3次元のセグメントを時間的一部分の選択及び空間的一部分の選択により抽出し、
前記関心対象部分の選択された一部を圧縮し、圧縮された3次元画像シーケンス(25)を得、
前記圧縮された3次元画像シーケンスに対して復元を行い、前記関心対象部分ではない情報を犠牲にして分析的に適切な画像シーケンス(40)を得る、
段階を含み、
前記関心対象部分の時間的一部分の選択が、前記関心対象部分において造影剤が現れる第1の時間インスタンスと、前記関心対象部分において造影剤が見えなくなる第2の時間インスタンスの間の関心対象部分における複数のフレームを自動的に選択することにより行われ、
前記関心対象部分の空間的一部分の選択が、ユーザが、関心対象領域の輪郭を大まかに描くこと又は関心対象フレームに手作業で印をつけることに応答して行われることを特徴とする方法。 - 前記関心対象部分が、識別可能な患者の生体組織である請求項1に記載の方法。
- 前記3次元の画像形成シーケンス(5)が、磁気共鳴画像形成システム、コンピュータ断層撮影システム、X線システム、X線血管造影図システム、及び超音波システムから選択される医療用画像形成装置から得られたものである請求項1または2に記載の方法。
- 前記圧縮が、有損失圧縮である請求項1乃至3のいずれかに記載の方法。
- 前記圧縮が、無損失圧縮である請求項1乃至3のいずれかに記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/064,620 US20040022447A1 (en) | 2002-07-31 | 2002-07-31 | Method and system for image compression and decompression using span of interest of an imaging sequence |
US10/064,620 | 2002-07-31 |
Publications (2)
Publication Number | Publication Date |
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JP2004072767A JP2004072767A (ja) | 2004-03-04 |
JP4856356B2 true JP4856356B2 (ja) | 2012-01-18 |
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JP2003283279A Expired - Fee Related JP4856356B2 (ja) | 2002-07-31 | 2003-07-31 | 画像形成シーケンスにおける関心対象部分を用いた画像圧縮及び復元方法及びシステム |
Country Status (3)
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US (1) | US20040022447A1 (ja) |
JP (1) | JP4856356B2 (ja) |
DE (1) | DE10334783A1 (ja) |
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2003
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US20040022447A1 (en) | 2004-02-05 |
DE10334783A1 (de) | 2004-02-12 |
JP2004072767A (ja) | 2004-03-04 |
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