Printing with reduced outline bleeding
AssigneeSeiko Epson Corporation
InventorKenji Otokita
Life of this patent
Estimating the term…
Abstract
The present invention is a printing method of recording an image by forming ink dots on a print medium in one of a plurality of print modes. The method determines the reduction pattern in response to the selected print mode selected from the plurality of print modes, which represents reduction of the ink amount for forming ink dots on a border area of a specific type image area represented by the dot data.
Claims45
A method of recording an image by forming ink dots on a print medium in one of a plurality of print modes, comprising the steps of:
- (a) generating dot data from image data indicative of the image, the dot data representing a state of dot formation at each pixel on the print medium;
- (b) determining a reduction pattern in response to a print mode selected from the plurality of print modes, the reduction pattern representing reduction of an amount of ink for forming an ink dot on a border area of a specific type image area represented by the dot data, the specific type image area being composed of pixels at which specific type dots are to be formed;
- (c) adjusting the dot data so as to reduce the amount of ink for forming the ink dots based on the selected reduction pattern;
- and
- (d) recording the image on the print medium by forming the ink dots in response to the adjusted dot data.
A printing apparatus for recording an image by forming ink dots on a print medium in one of a plurality of print modes, the printing apparatus comprising:
- a dot data generator configured to generate dot data from image data indicative of the image, the dot data representing a state of dot formation at each pixel on the print medium;
- a reduction pattern determiner configured to determine a reduction pattern in response to a print mode selected from the plurality of print modes, the reduction pattern representing reduction of an amount of ink for forming an ink dot on a border area of a specific type image area represented by the dot data, the specific type image area being composed of pixels at which specific type dots are to be formed;
- a dot data adjuster configured to adjust the dot data so as to reduce the amount of ink for forming the ink dots based on the selected reduction pattern;
- a print data generator configured to generate the print data in response to the adjusted dot data;
- and
- a print unit configured to record the image on the print medium by forming the ink dots in response to the adjusted dot data.
A method of generating print data to be supplied to a print unit to record an image by forming ink dots on a print medium in one of a plurality of print modes, comprising the steps of:
- (a) generating dot data from image data indicative of the image, the dot data representing a state of dot formation at each pixel on the print medium;
- (b) determining a reduction pattern in response to a print mode selected from the plurality of print modes, the reduction pattern representing reduction of an amount of ink for forming an ink dot on a border area of a specific type image area represented by the dot data, the specific type image area being composed of pixels at which specific type dots are to be formed;
- (c) adjusting the dot data so as to reduce the amount of ink for forming the ink dots based on the selected reduction pattern;
- and
- (d) generating the print data in response to the adjusted dot data.
A printing control apparatus for generating print data to be supplied to a print unit to record an image by forming ink dots on a print medium in one of a plurality of print modes, the printing control apparatus comprising:
- a dot data generator configured to generate dot data from image data indicative of the image, the dot data representing a state of dot formation at each pixel on the print medium;
- a reduction pattern determiner configured to determine a reduction pattern in response to a print mode selected from the plurality of print modes, the reduction pattern representing reduction of an amount of ink for forming an ink dot on a border area of a specific type image area represented by the dot data, the specific type image area being composed of pixels at which specific type dots are to be formed;
- a dot data adjuster configured to adjust the dot data so as to reduce the amount of ink for forming the ink dots based on the selected reduction pattern;
- and
- a print data generator configured to generate the print data in response to the adjusted dot data.
A computer program product for causing a computer to generate print data to be supplied to a print unit to record an image by forming ink dots on a print medium in one of a plurality of print modes, the computer program product comprising:
- a computer readable medium;
- and
- a computer program stored on the computer readable medium, the computer program comprising:
- a first program for causing the computer to generate dot data from image data indicative of the image, the dot data representing a state of dot formation at each pixel on the print medium;
- a second program for causing the computer to determine a reduction pattern in response to a print mode selected from the plurality of print modes, the reduction pattern representing reduction of an amount of ink for forming an ink dot on a border area of a specific type image area represented by the dot data, the specific type image area being composed of pixels at which specific type dots are to be formed;
- a third program for causing the computer to adjust the dot data so as to reduce the amount of ink for forming the ink dots based on the selected reduction pattern;
- and
- a fourth program for causing the computer to generate the print data in response to the adjusted dot data.
Dependencies are inferred from the claim text.