JPS6359606U - - Google Patents
Info
- Publication number
- JPS6359606U JPS6359606U JP1986151505U JP15150586U JPS6359606U JP S6359606 U JPS6359606 U JP S6359606U JP 1986151505 U JP1986151505 U JP 1986151505U JP 15150586 U JP15150586 U JP 15150586U JP S6359606 U JPS6359606 U JP S6359606U
- Authority
- JP
- Japan
- Prior art keywords
- image
- displays
- correction table
- distortion correction
- radiation
- 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
Links
- 230000005855 radiation Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 3
- 238000000034 method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Closed-Circuit Television Systems (AREA)
Description
第１図は本考案による放射線像撮影装置の実施
例を示すブロツク図、第２図ないし第４図は歪補
正テーブルの作成状態を示す説明図、第５図は本
考案の放射線像撮影装置の動作を示す説明図、第
６図は従来の放射線像撮影装置を示すブロツク図
、第７図は放射線検出器による像の歪の発生及び
その歪の補正状態を示す説明図である。
１…放射線源、２…被検体、３…放射線検出器
、４…撮像管、５…Ａ／Ｄ変換器、６…記憶装置
、７…演算装置、８…表示装置、９…検出面、２
０…歪補正テーブルメモリ、２４ａ〜２４ｎ…投
影画像、２５…歪補正テーブル、２７ａ〜２７ｎ
…補正画像、２９…断層像。
FIG. 1 is a block diagram showing an embodiment of the radiographic image capturing apparatus according to the present invention, FIGS. 2 to 4 are explanatory diagrams showing the creation state of the distortion correction table, and FIG. 5 is a block diagram showing an embodiment of the radiographic image capturing apparatus according to the present invention. FIG. 6 is a block diagram showing the conventional radiation image capturing apparatus, and FIG. 7 is an explanatory diagram showing the generation of image distortion by the radiation detector and the state of correcting the distortion. DESCRIPTION OF SYMBOLS 1... Radiation source, 2... Subject, 3... Radiation detector, 4... Image pickup tube, 5... A/D converter, 6... Storage device, 7... Arithmetic device, 8... Display device, 9... Detection surface, 2
0...Distortion correction table memory, 24a-24n...Projected image, 25...Distortion correction table, 27a-27n
...corrected image, 29...tomographic image.
Claims (1)
と対向配置され透過放射線像を可視光に変換する
放射線検出器と、この出力光学像を電気信号に変
換する撮像管と、上記放射線源と放射線検出器の
位置関係を変化させる走査装置と、上記撮像管の
出力信号をデイジタル量に変換するＡ／Ｄ変換器
と、このデイジタル信号を格納する記憶装置と、
この記憶装置からデータを読み出して演算処理す
る演算装置と、この演算処理されたデイジタル信
号をアナログ信号に変換して表示する表示装置と
を有し、上記被検体内の任意の断層面の断層像を
演算および表示する放射線像撮影装置において、
上記演算装置には、上記放射線検出器の検出面に
より発生する像の歪を補正する歪補正テーブルを
記憶した歪補正テーブルメモリを接続し、上記歪
補正テーブルを用いて演算装置によりデータを補
正するようにしたことを特徴とする放射線像撮影
装置。 a radiation source; a radiation detector disposed opposite to the radiation source with a subject in between; converting a transmitted radiation image into visible light; an imaging tube converting the output optical image into an electrical signal; a scanning device that changes the positional relationship of the radiation detector; an A/D converter that converts the output signal of the image pickup tube into a digital quantity; and a storage device that stores the digital signal;
It has a calculation device that reads data from this storage device and processes it, and a display device that converts the processed digital signal into an analog signal and displays it, and displays a tomographic image of an arbitrary tomographic plane within the subject. In a radiographic imaging device that calculates and displays
A distortion correction table memory storing a distortion correction table for correcting image distortion caused by the detection surface of the radiation detector is connected to the calculation device, and the data is corrected by the calculation device using the distortion correction table. A radiographic imaging device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986151505U JPS6359606U (en) | 1986-10-03 | 1986-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986151505U JPS6359606U (en) | 1986-10-03 | 1986-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6359606U true JPS6359606U (en) | 1988-04-20 |
Family
ID=31068638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986151505U Pending JPS6359606U (en) | 1986-10-03 | 1986-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6359606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01313895A (en) * | 1988-06-13 | 1989-12-19 | Mitsubishi Electric Corp | Photographing method for x-ray tv |
-
1986
- 1986-10-03 JP JP1986151505U patent/JPS6359606U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01313895A (en) * | 1988-06-13 | 1989-12-19 | Mitsubishi Electric Corp | Photographing method for x-ray tv |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63146755U (en) | ||
| JPS60230228A (en) | Picture position designating system of projection type picture reproducing device | |
| JPS6359606U (en) | ||
| JPH036810B2 (en) | ||
| JPH0169504U (en) | ||
| JP2004077641A (en) | Electronic cassette | |
| JPS606502U (en) | Device that records still images of X-ray transmission images | |
| JPS58133310U (en) | computer tomography device | |
| JPS63128733U (en) | ||
| JPH0249283U (en) | ||
| JPS647479U (en) | ||
| JPS60530U (en) | thermography equipment | |
| JPS6454506U (en) | ||
| JPS6379907U (en) | ||
| JPS58153807U (en) | X-ray CT device | |
| JPS6331384U (en) | ||
| JPH01152335U (en) | ||
| JPH07148162A (en) | X-ray image display unit | |
| JPH0279452U (en) | ||
| JPS6312756U (en) | ||
| JPH06189945A (en) | Medical x-ray photographing method | |
| JPS5843408U (en) | X-ray imaging device | |
| JPH037257U (en) | ||
| JPH0177257U (en) | ||
| JPS6415952U (en) |