JPH0113376B2 - - Google Patents
Info
- Publication number
- JPH0113376B2 JPH0113376B2 JP56117781A JP11778181A JPH0113376B2 JP H0113376 B2 JPH0113376 B2 JP H0113376B2 JP 56117781 A JP56117781 A JP 56117781A JP 11778181 A JP11778181 A JP 11778181A JP H0113376 B2 JPH0113376 B2 JP H0113376B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- circuit
- ray
- detected
- transition point
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 5
- 238000012935 Averaging Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000003325 tomography Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56117781A JPS5819238A (ja) | 1981-07-29 | 1981-07-29 | Ｃｔ装置における検出デ−タ演算処理回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56117781A JPS5819238A (ja) | 1981-07-29 | 1981-07-29 | Ｃｔ装置における検出デ−タ演算処理回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5819238A JPS5819238A (ja) | 1983-02-04 |
| JPH0113376B2 true JPH0113376B2 (US07655688-20100202-C00086.png) | 1989-03-06 |
Family
ID=14720153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56117781A Granted JPS5819238A (ja) | 1981-07-29 | 1981-07-29 | Ｃｔ装置における検出デ−タ演算処理回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5819238A (US07655688-20100202-C00086.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59183737A (ja) * | 1983-04-05 | 1984-10-18 | 株式会社東芝 | 第４世代ｘ線ｃｔ装置 |
| JPH08262182A (ja) * | 1995-03-27 | 1996-10-11 | Hitachi Ltd | 自動燃料交換装置 |
| US7844097B2 (en) | 2007-12-03 | 2010-11-30 | Samplify Systems, Inc. | Compression and decompression of computed tomography data |
| US7852977B2 (en) * | 2008-09-11 | 2010-12-14 | Samplify Systems, Inc. | Adaptive compression of computed tomography projection data |
| US7916830B2 (en) | 2008-09-11 | 2011-03-29 | Samplify Systems, Inc. | Edge detection for computed tomography projection data compression |
| US8045811B2 (en) | 2008-11-26 | 2011-10-25 | Samplify Systems, Inc. | Compression and storage of projection data in a computed tomography system |
-
1981
- 1981-07-29 JP JP56117781A patent/JPS5819238A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5819238A (ja) | 1983-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2394494C2 (ru) | Система сканирования х-кт | |
| US5218623A (en) | Method and apparatus for specifying slice planes in x-ray computed tomography | |
| JPH0113376B2 (US07655688-20100202-C00086.png) | ||
| JP2002355239A (ja) | Ｘ線ｃｔ装置 | |
| Gudac et al. | Comparison of selected anatomical and treatment-related diagnostic parameters estimated by cone-beam computed tomography and digital periapical radiography in teeth with apical periodontitis | |
| JP3350154B2 (ja) | コンピュータ断層撮影装置 | |
| JP3434545B2 (ja) | Ｘ線ｃｔスキャナ | |
| JP2003010168A (ja) | Ｘ線ｃｔ装置 | |
| Alpert et al. | Initial assessment of a simple functional image of ventilation | |
| JP2007307125A (ja) | 画像診断装置 | |
| JPH0117691B2 (US07655688-20100202-C00086.png) | ||
| JP4064541B2 (ja) | レファレンス信号生成方法および装置並びに放射線断層撮影装置 | |
| JPS6146140B2 (US07655688-20100202-C00086.png) | ||
| JP4299749B2 (ja) | Ｃｔ画像の再構成方法及びｃｔ装置並びにプログラム | |
| JP2939281B2 (ja) | Ｘ線ｃｔ装置 | |
| JPH11101875A (ja) | ポジトロン断層撮像装置 | |
| US11699229B2 (en) | Medical image processing apparatus and medical image processing method | |
| JP3508375B2 (ja) | Ｘ線ｃｔ装置 | |
| JPH02149258A (ja) | 金属偽像等を低減する画像処理装置 | |
| JP4515756B2 (ja) | Ｘ線投影データの補正方法及びｘ線ｃｔ装置 | |
| JPH01181848A (ja) | Ｘ線ｃｔ装置 | |
| JPH078480A (ja) | Ｘ線ｃｔ装置 | |
| JPH0620487Y2 (ja) | Ｘ線断層撮影装置 | |
| JPS59200634A (ja) | 放射線ｃｔ装置 | |
| JP2020078377A (ja) | 画像再構成装置および画像再構成方法 |
