Back to results
US 8,559,080 B2Granted
Image forming apparatus and computer readable medium for image forming
AssigneeFuji Xerox Co., Ltd.
InventorsJun Koyatsu, Noribumi Sato, Mitsuru Iioka, Kaoru Yamauchi, Takaya Nagasaki
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes a classifying unit which classifies constituent elements constituting print data into a single or a plurality of areas based on a plurality of types of the constituent elements; a color conversion processing unit which performs, with respect to each of the constituent elements classified by the classifying unit, a color conversion coping with each type the constituent elements; and an image forming unit which composes the constituent elements subjected to the color conversion by the color conversion processing unit and forms an image based on the print data composed.
Claims9
An image forming apparatus, comprising:
- an analysis unit that analyzes and separates print data into a plurality of constituent elements including text objects, graphic objects and image objects constituting the print data;
- a classifying unit which classifies each of the text objects, graphic objects and image objects constituting the print data into a single or a plurality of areas based on the text objects having a text size being above or below at least one text size threshold, the graphics objects having a line width or area being above or below at least one graphics line width threshold or graphics area threshold, and the image objects having an area being above or below at least image area threshold, the classifying unit further classifying the image objects having an area above the image area threshold based on whether the image objects have a chroma value above or below a chroma value threshold;
- a tag generation unit which generates a tag for each of the text objects, graphic objects and image objects classified by the classifying unit, the tag data including area information indicative of which area the text objects, graphic objects and image objects are classified into and including positional information indicative of a position within the image where the corresponding classified text objects, graphic objects and image objects are disposed;
- a color conversion processing unit which performs, with respect to each of the constituent elements classified by the classifying unit, a color conversion based on the areas into which the text objects, the graphics objects and the image objects are classified;
- and
- an image forming unit which composes the constituent elements subjected to the color conversion by the color conversion processing unit and forms an image based on print data composed.
3 more elements
An image forming apparatus, comprising:
- an analysis unit that analyzes and separates print data into a plurality of constituent elements including text objects, graphic objects and image objects constituting the print data;
- a separation unit which separates the print data into one of the plurality of constituent elements in accordance with a type of the print data;
- a classifying unit which classifies each of the text objects, graphic objects and image objects constituting the print data into a single or a plurality of areas based on the text objects having a text size being above or below at least one text size threshold, the graphics objects having a line width or area being above or below at least one graphics line width threshold or graphics area threshold, and the image objects having an area being above or below at least image area threshold, the classifying unit further classifying the image objects having an area above the image area threshold based on whether the image objects have a chroma value above or below a chroma value threshold;
- a tag generation unit which generates a tag for each of the text objects, graphic objects and image objects classified by the classifying unit, the tag data including area information indicative of which area the text objects, graphic objects and image objects are classified into and including positional information indicative of a position within the image where the corresponding classified text objects, graphic objects and image objects are disposed;
- a color conversion processing unit which performs, with respect to each of the constituent elements classified by the classifying unit, a color conversion based on the areas into which the text objects, the graphics objects and the image objects are classified;
- and
- an image forming unit which composes the constituent elements subjected to the color conversion by the color conversion processing unit and forms an image based on print data composed.
4 more elements
A non-transitory computer readable medium storing a program causing a computer to execute a process for forming an image, the process comprising:
- an analysis unit that analyzes and separates print data into a plurality of constituent elements including text objects, graphic objects and image objects constituting the print data;
- a separation unit which separates the print data into a single one of the plurality of constituent elements in accordance with a type of the print data;
- a classifying unit which classifies each of the text objects, graphic objects and image objects constituting the print data into a single or a plurality of areas based on the text objects having a text size being above or below at least one text size threshold, the graphics objects having a line width or area being above or below at least one graphics line width threshold or graphics area threshold, and the image objects having an area being above or below at least image area threshold, the classifying unit further classifying the image objects having an area above the image area threshold based on whether the image objects have a chroma value above or below a chroma value threshold;
- a tag generation unit which generates a tag for each of the text objects, graphic objects and image objects classified by the classifying unit, the tag data including area information indicative of which area the text objects, graphic objects and image objects are classified into and including positional information indicative of a position within the image where the corresponding classified text objects, graphic objects and image objects are disposed;
- a color conversion processing unit which performs, with respect to each of the constituent elements classified by the classifying unit, a color conversion based on the areas into which the text objects, the graphics objects and the image objects are classified;
- and
- an image forming unit which composes the constituent elements subjected to the color conversion by the color conversion processing unit and forms an image based on print data composed.
4 more elements
Dependencies are inferred from the claim text.