JPS61174908U - - Google Patents

Info

Publication number
JPS61174908U
JPS61174908U JP6059885U JP6059885U JPS61174908U JP S61174908 U JPS61174908 U JP S61174908U JP 6059885 U JP6059885 U JP 6059885U JP 6059885 U JP6059885 U JP 6059885U JP S61174908 U JPS61174908 U JP S61174908U
Authority
JP
Japan
Prior art keywords
projection data
subject
wall
image
enlarging
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.)
Pending
Application number
JP6059885U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6059885U priority Critical patent/JPS61174908U/ja
Publication of JPS61174908U publication Critical patent/JPS61174908U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの考案の一実施例のブロツク図、第
2図A,Bは被写体外壁を検出する動作を説明す
るための模式図、第3図は被写体に対する投影デ
ータの関係およびそれを拡大して逆投影すること
を説明するための模式図、第4図は従来例の模式
図、第5図A,Bは従来における画像再構成領域
に対する被写体像の大小関係を示す図である。 1……撮影領域、2……被写体、3……X線管
、4……検出器、5……データ収集装置、6……
CPU、7……メモリ、8……画像再構成装置、
9……表示装置、10……データ拡大装置、11
……投光器、12……受光器、21……被写体像
、31……画像再構成領域。
Figure 1 is a block diagram of an embodiment of this invention, Figures 2A and B are schematic diagrams for explaining the operation of detecting the outer wall of the object, and Figure 3 shows the relationship of projection data to the object and an enlarged view of it. FIG. 4 is a schematic diagram of a conventional example, and FIGS. 5A and 5B are diagrams showing the size relationship of a subject image with respect to an image reconstruction area in the conventional technique. 1... Imaging area, 2... Subject, 3... X-ray tube, 4... Detector, 5... Data collection device, 6...
CPU, 7...Memory, 8...Image reconstruction device,
9...Display device, 10...Data enlarging device, 11
... Emitter, 12 ... Light receiver, 21 ... Subject image, 31 ... Image reconstruction area.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被写体の投影データを収集する手段と、被写体
の外壁を測定する手段と、求められた外壁の大き
さに応じて上記投影データの位置成分を拡大する
手段と、拡大された投影データから画像を再構成
する手段とからなるコンピユータ断層撮影装置。
means for collecting projection data of a subject; means for measuring an outer wall of the subject; means for enlarging the positional component of the projection data according to the determined size of the outer wall; and reproducing an image from the enlarged projection data. A computerized tomography apparatus comprising means for configuring.
JP6059885U 1985-04-22 1985-04-22 Pending JPS61174908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6059885U JPS61174908U (en) 1985-04-22 1985-04-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6059885U JPS61174908U (en) 1985-04-22 1985-04-22

Publications (1)

Publication Number Publication Date
JPS61174908U true JPS61174908U (en) 1986-10-31

Family

ID=30588095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6059885U Pending JPS61174908U (en) 1985-04-22 1985-04-22

Country Status (1)

Country Link
JP (1) JPS61174908U (en)

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