JPS6462784A - Identifying method for picture attribute - Google Patents
Identifying method for picture attributeInfo
- Publication number
- JPS6462784A JPS6462784A JP62219020A JP21902087A JPS6462784A JP S6462784 A JPS6462784 A JP S6462784A JP 62219020 A JP62219020 A JP 62219020A JP 21902087 A JP21902087 A JP 21902087A JP S6462784 A JPS6462784 A JP S6462784A
- Authority
- JP
- Japan
- Prior art keywords
- picture
- input picture
- blocks
- value
- density
- 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
Landscapes
- Image Analysis (AREA)
Abstract
PURPOSE:To increase the picture processing speed by dividing an input picture into blocks and identifying the input picture, to which a proportion of the density flay area is a specific value or larger, as a multicolor picture. CONSTITUTION:The input picture is divided into a n-number of blocks B0-Bn-1 consisting of (mxm)-number of picture elements, and a maximum value Lmax and a minimum value Lmin of the density in each blocks are obtained. The absolute value of the difference between the maximum value Lmax and the minimum value Lmin is compared with a preliminarily set reference value T, and this block is regarded as a density flat area when said absolute value is smaller than the reference value T, and the input picture is identified as a multicolor picture when density flat areas required for all blocks are >=X% of the input picture but otherwise, the input picture is identified as a full color picture. Thus, the postprocessing is adapted based on identification of picture attributes to quickly perform the processing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62219020A JPS6462784A (en) | 1987-09-03 | 1987-09-03 | Identifying method for picture attribute |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62219020A JPS6462784A (en) | 1987-09-03 | 1987-09-03 | Identifying method for picture attribute |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6462784A true JPS6462784A (en) | 1989-03-09 |
Family
ID=16728992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62219020A Pending JPS6462784A (en) | 1987-09-03 | 1987-09-03 | Identifying method for picture attribute |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6462784A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003067727A (en) * | 2001-08-28 | 2003-03-07 | Toyota Central Res & Dev Lab Inc | Environmental complexity arithmetic system, environmental recognition level estimation system and obstruction warning system |
-
1987
- 1987-09-03 JP JP62219020A patent/JPS6462784A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003067727A (en) * | 2001-08-28 | 2003-03-07 | Toyota Central Res & Dev Lab Inc | Environmental complexity arithmetic system, environmental recognition level estimation system and obstruction warning system |
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