JPS60227735A - サブトラクシヨン画像の自動濃度補正方法および装置 - Google Patents
サブトラクシヨン画像の自動濃度補正方法および装置Info
- Publication number
- JPS60227735A JPS60227735A JP59085723A JP8572384A JPS60227735A JP S60227735 A JPS60227735 A JP S60227735A JP 59085723 A JP59085723 A JP 59085723A JP 8572384 A JP8572384 A JP 8572384A JP S60227735 A JPS60227735 A JP S60227735A
- Authority
- JP
- Japan
- Prior art keywords
- image
- signal
- reading
- digital image
- difference
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 33
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 55
- 238000012545 processing Methods 0.000 claims description 35
- 230000005855 radiation Effects 0.000 claims description 35
- 230000005284 excitation Effects 0.000 claims description 32
- 239000002872 contrast media Substances 0.000 claims description 30
- 238000012937 correction Methods 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 14
- 238000004020 luminiscence type Methods 0.000 claims description 6
- 230000002123 temporal effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 230000004936 stimulating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 241000600169 Maro Species 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 239000008279 sol Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Landscapes
- Radiography Using Non-Light Waves (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Closed-Circuit Television Systems (AREA)
- Measurement Of Radiation (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59085723A JPS60227735A (ja) | 1984-04-27 | 1984-04-27 | サブトラクシヨン画像の自動濃度補正方法および装置 |
| CA000477813A CA1226976A (en) | 1984-03-30 | 1985-03-28 | Method and apparatus for automatically correcting subtraction image density |
| EP85103804A EP0156393B1 (en) | 1984-03-30 | 1985-03-29 | Method and apparatus for automatically correcting subtraction image desity |
| DE8585103804T DE3580994D1 (de) | 1984-03-30 | 1985-03-29 | Verfahren und geraet zur automatischen korrektur eines subtraktionsbildes. |
| US07/318,465 US5048110A (en) | 1984-03-30 | 1989-02-27 | Method and apparatus for automatically correcting subtraction image density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59085723A JPS60227735A (ja) | 1984-04-27 | 1984-04-27 | サブトラクシヨン画像の自動濃度補正方法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60227735A true JPS60227735A (ja) | 1985-11-13 |
| JPH0262076B2 JPH0262076B2 (enrdf_load_stackoverflow) | 1990-12-21 |
Family
ID=13866760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59085723A Granted JPS60227735A (ja) | 1984-03-30 | 1984-04-27 | サブトラクシヨン画像の自動濃度補正方法および装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60227735A (enrdf_load_stackoverflow) |
-
1984
- 1984-04-27 JP JP59085723A patent/JPS60227735A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0262076B2 (enrdf_load_stackoverflow) | 1990-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5048110A (en) | Method and apparatus for automatically correcting subtraction image density | |
| JPH0322968B2 (enrdf_load_stackoverflow) | ||
| JPH0362411B2 (enrdf_load_stackoverflow) | ||
| US4816681A (en) | Method and apparatus for improving quality of energy subtraction image | |
| JP3901770B2 (ja) | エネルギーサブトラクション処理方法および装置 | |
| JP3201853B2 (ja) | 制御されたコントラストによる信号対濃度写像方法 | |
| US4761739A (en) | Density correcting method and apparatus for energy substraction image | |
| US5028781A (en) | Density correcting method and apparatus for subtraction image | |
| JPS60227735A (ja) | サブトラクシヨン画像の自動濃度補正方法および装置 | |
| JPS60222034A (ja) | エネルギ−サブトラクシヨンにおける画像形成方法 | |
| JPH0262075B2 (enrdf_load_stackoverflow) | ||
| JPS60250792A (ja) | サブトラクシヨン画像の階調処理最適化方法および装置 | |
| JPH0262074B2 (enrdf_load_stackoverflow) | ||
| JPH0363877B2 (enrdf_load_stackoverflow) | ||
| JP2824878B2 (ja) | 放射線画像のエネルギーサブトラクション撮影処理方法 | |
| JPS6255641A (ja) | 放射線画像情報読取方法 | |
| JPS60224386A (ja) | サブトラクシヨン画像の濃度補正方法および装置 | |
| JPH067669B2 (ja) | エネルギ−サブトラクシヨン画像の画質改善方法および装置 | |
| JPS60251475A (ja) | サブトラクシヨン画像の階調処理最適化方法および装置 | |
| JPH0261253B2 (enrdf_load_stackoverflow) | ||
| JPH0471395B2 (enrdf_load_stackoverflow) | ||
| JPH0242207B2 (enrdf_load_stackoverflow) | ||
| JPH04314432A (ja) | 放射線画像撮影読取方法および装置 | |
| JPH01232937A (ja) | 放射線画像のサブトラクション方法 | |
| JP2582668B2 (ja) | 放射線画像情報読取条件および／または画像処理条件設定方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |