Image Processing Apparatus Path Coordinate Character Detection
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Solution Overview
Problem
Existing image processing techniques fail to accurately convert drawing data with mixed text and graphics attributes into print data, leading to inconsistent tint and density issues during printing, as they incorrectly classify characters described by path coordinates as graphics rather than text.
Innovation Solution
An image processing apparatus that determines drawing elements with the graphics attribute corresponding to characters specified by path coordinates and performs image processing suitable for text attributes, ensuring consistent image processing across both text and graphics elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If attribute determination is performed based on the form of description in drawing data, then conversion processing can be performed efficiently, but characters described by path coordinates are incorrectly classified as graphics instead of text
Solution Approach 1:
The patent introduces an intermediate determination step that checks whether drawing elements with graphics attribute correspond to characters before final classification. This intermediary check prevents misclassification by verifying if path-coordinate-based graphics elements actually represent text characters, thus resolving the contradiction between efficient processing and accurate classification.
2Manufacturing precision
If different image processing is performed for text and graphics attributes, then optimal processing can be applied to each, but inconsistent tint and density occur when characters are described with mixed attributes
Solution Approach 1:
The patent applies local quality by performing different image processing based on the actual semantic identity of drawing elements rather than their attribute labels. Characters described by path coordinates are identified and processed with text-appropriate image processing (maintaining local quality for text), while other graphics elements receive graphics-appropriate processing, thus ensuring both optimal processing and consistency.
3Ease of manufacture
If all drawing elements are processed according to their attribute labels, then processing rules are simple to implement, but characters described by path coordinates lose their text properties in the output
Solution Approach 1:
The patent performs preliminary determination of whether graphics attribute elements correspond to characters before the main image processing step. This preliminary action identifies text characters that happen to be described by path coordinates, allowing them to be processed with text-appropriate rules while maintaining the overall simplicity of the processing framework.
Data Source
AI summary
An image processing apparatus that converts drawing data generated by an application program into print data to be used for printing with a printing apparatus. A memory stores a program. The program determines, among drawing elements included in the drawing data, a drawing element that has a graphics attribute and that corresponds to a character drawn with path coordinates. The program generates the print data by converting the drawing data and includes performing image processing suitable to a text attribute for the drawing element having the graphics attribute determined to correspond to the character drawn with the path coordinates. The program also sends the generated print data to the printing apparatus for the printing.