JPS6262377B2 - - Google Patents
Info
- Publication number
- JPS6262377B2 JPS6262377B2 JP54151395A JP15139579A JPS6262377B2 JP S6262377 B2 JPS6262377 B2 JP S6262377B2 JP 54151395 A JP54151395 A JP 54151395A JP 15139579 A JP15139579 A JP 15139579A JP S6262377 B2 JPS6262377 B2 JP S6262377B2
- Authority
- JP
- Japan
- Prior art keywords
- spatial frequency
- cycles
- transfer function
- ray
- image processing
- 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
- 238000012545 processing Methods 0.000 claims description 43
- 238000012546 transfer Methods 0.000 claims description 23
- 238000009499 grossing Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000003672 processing method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 12
- 238000011156 evaluation Methods 0.000 description 11
- 238000003745 diagnosis Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 201000005202 lung cancer Diseases 0.000 description 2
- 208000020816 lung neoplasm Diseases 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011976 chest X-ray Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- 230000002888 effect on disease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011548 physical evaluation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 235000020989 red meat Nutrition 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15139579A JPS5588742A (en) | 1979-11-22 | 1979-11-22 | Xxray picture treating method and its device |
| US06/106,734 US4317179A (en) | 1978-12-26 | 1979-12-26 | Method and apparatus for processing a radiographic image |
| FR797931672A FR2445536B1 (fr) | 1978-12-26 | 1979-12-26 | Procede et appareil pour traiter une image radiographique |
| NLAANVRAGE7909328,A NL189232B (nl) | 1978-12-26 | 1979-12-27 | Inrichting voor het ten behoeve van een medische diagnose kopieren van een op een drager geregistreerd radiografisch beeld. |
| DE2952422A DE2952422C3 (de) | 1978-12-26 | 1979-12-27 | Verfahren und Vorrichtung zum Verarbeiten eines Röntgenbildes bei einem Röntgenbild-Kopiersystem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15139579A JPS5588742A (en) | 1979-11-22 | 1979-11-22 | Xxray picture treating method and its device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5588742A JPS5588742A (en) | 1980-07-04 |
| JPS6262377B2 true JPS6262377B2 (en, 2012) | 1987-12-25 |
Family
ID=15517639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15139579A Granted JPS5588742A (en) | 1978-12-26 | 1979-11-22 | Xxray picture treating method and its device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5588742A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62137661A (ja) * | 1985-12-10 | 1987-06-20 | K I P:Kk | 電子フアイル装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL70213A (en) * | 1983-11-13 | 1988-02-29 | Paul Fenster | Digital fluorographic image enhancement system |
-
1979
- 1979-11-22 JP JP15139579A patent/JPS5588742A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62137661A (ja) * | 1985-12-10 | 1987-06-20 | K I P:Kk | 電子フアイル装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5588742A (en) | 1980-07-04 |
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