Systems and methods for line width control and pixel retagging
First Claim
1. A method for processing a digital image for rendering, the method comprising:
- receiving digital image data including pixels having pixel values representing gray levels, at least some of the pixels having tag states;
performing one or more Line Width Control (LWC) operations on the digital image data moving at least one edge of an image object and changing one or more pixel values resulting in one or more inaccurate pixel tag states;
performing pixel evaluation identifying one or more pixels having inaccurate tag states; and
revising one or more inaccurate pixel tag states for improving the rendering of the digital image.
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Abstract
A system and method for processing a digital image for rendering are provided. The method includes performing one or more Line Width Control (LWC) operations on digital image data including pixels having pixel values representing gray levels and tag states providing information for specialized rendering techniques thereby changing one or more pixel values resulting in one or more inaccurate pixel tag states, identifying and reassigning one or more inaccurate pixel tag states for improving the rendering of the resultant digital image. An apparatus, such as an image processing system, capable of performing line width control and tag reassignment is also provided.
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Citations
20 Claims
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1. A method for processing a digital image for rendering, the method comprising:
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receiving digital image data including pixels having pixel values representing gray levels, at least some of the pixels having tag states; performing one or more Line Width Control (LWC) operations on the digital image data moving at least one edge of an image object and changing one or more pixel values resulting in one or more inaccurate pixel tag states; performing pixel evaluation identifying one or more pixels having inaccurate tag states; and revising one or more inaccurate pixel tag states for improving the rendering of the digital image. - View Dependent Claims (2, 3, 4, 5, 6, 16, 17, 18, 19, 20)
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7. A method of digital image Line Width Control comprising:
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receiving digital image data including pixels having pixel values representing gray levels, at least some of the pixels having tag states; performing a Line Width Control (LWC) operation on the digital image data changing one or more pixel values resulting in one or more inaccurate pixel tag states; performing pixel evaluation and tag state reassignment reassigning anti-aliased pixel tag states for one or more pixels having inaccurate pixel tag states; and outputting the digital image data having accurate pixel tag states for the rendering of the digital image.
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8. An apparatus for processing images, comprising;
an image processing system performing a Line Width Control (LWC) operation on digital image data including pixels having pixel values representing gray levels, at least some of the pixels having tag states, the LWC operation moving at least one edge of an image object and changing one or more pixel values resulting in one or more inaccurate pixel tag states, the image processing system performing pixel evaluation and tag state reassignment identifying one or more pixels having inaccurate tag states and reassigning the tag states for the one or more pixels having inaccurate pixel tag states. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
Specification