JPS60216351A - 階調処理条件の自動設定方法 - Google Patents
階調処理条件の自動設定方法Info
- Publication number
- JPS60216351A JPS60216351A JP59073825A JP7382584A JPS60216351A JP S60216351 A JPS60216351 A JP S60216351A JP 59073825 A JP59073825 A JP 59073825A JP 7382584 A JP7382584 A JP 7382584A JP S60216351 A JPS60216351 A JP S60216351A
- Authority
- JP
- Japan
- Prior art keywords
- color
- input
- signal
- density
- image
- 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 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
- H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
- H04N1/4078—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59073825A JPS60216351A (ja) | 1984-04-12 | 1984-04-12 | 階調処理条件の自動設定方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59073825A JPS60216351A (ja) | 1984-04-12 | 1984-04-12 | 階調処理条件の自動設定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60216351A true JPS60216351A (ja) | 1985-10-29 |
JPH056826B2 JPH056826B2 (enrdf_load_stackoverflow) | 1993-01-27 |
Family
ID=13529311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59073825A Granted JPS60216351A (ja) | 1984-04-12 | 1984-04-12 | 階調処理条件の自動設定方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60216351A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63254888A (ja) * | 1987-04-10 | 1988-10-21 | Konica Corp | カラ−パツチによる色推定方法 |
JPS63254887A (ja) * | 1987-04-10 | 1988-10-21 | Konica Corp | カラ−パツチの作成方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07307245A (ja) * | 1994-05-13 | 1995-11-21 | Nec Corp | チップコンデンサ |
JP6112800B2 (ja) * | 2012-08-02 | 2017-04-12 | キヤノン株式会社 | カラー画像形成装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5011542A (enrdf_load_stackoverflow) * | 1973-05-31 | 1975-02-06 | ||
JPS5576349A (en) * | 1978-11-28 | 1980-06-09 | Hell Rudolf Dr Ing Gmbh | Color discriminating method and circuit device therefor |
JPS56141673A (en) * | 1980-04-04 | 1981-11-05 | Matsushita Giken Kk | Picture recording equipment |
-
1984
- 1984-04-12 JP JP59073825A patent/JPS60216351A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5011542A (enrdf_load_stackoverflow) * | 1973-05-31 | 1975-02-06 | ||
JPS5576349A (en) * | 1978-11-28 | 1980-06-09 | Hell Rudolf Dr Ing Gmbh | Color discriminating method and circuit device therefor |
JPS56141673A (en) * | 1980-04-04 | 1981-11-05 | Matsushita Giken Kk | Picture recording equipment |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63254888A (ja) * | 1987-04-10 | 1988-10-21 | Konica Corp | カラ−パツチによる色推定方法 |
JPS63254887A (ja) * | 1987-04-10 | 1988-10-21 | Konica Corp | カラ−パツチの作成方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH056826B2 (enrdf_load_stackoverflow) | 1993-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |