Image Processing Apparatus Selective Single Multi-Color Calibration
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Solution Overview
Problem
Electrophotographic printers face significant challenges in maintaining accurate color calibration, particularly when switching between single-color and multi-color printing, leading to potential deterioration in correction accuracy if only one type of calibration is frequently performed.
Innovation Solution
An image processing apparatus that allows selective performance of single-color or multi-color calibration, enabling users to choose based on usage conditions, ensuring both calibrations are periodically performed to maintain accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If only single-color calibration is frequently performed, then processing time is reduced, but correction accuracy deteriorates
Solution Approach 1:
The system dynamically adjusts the calibration process by detecting color variation magnitude and automatically selecting between single-color and multi-color calibration modes. This dynamic adaptation allows the system to perform quick single-color calibration when color variation is small, reducing processing time, while switching to comprehensive multi-color calibration when color variation exceeds a threshold, ensuring correction accuracy is maintained.
2Manufacturing precision
If only multi-color calibration is performed, then correction accuracy is maintained, but processing time increases
Solution Approach 1:
The system applies partial calibration (single-color) when full calibration (multi-color) is not necessary. By detecting that color variation is within acceptable ranges, the system performs only the essential single-color calibration, achieving sufficient correction accuracy without the excessive processing time required for complete multi-color calibration.
Solution Approach 2:
The system dynamically adjusts the calibration process by detecting color variation magnitude and automatically selecting between single-color and multi-color calibration modes. This dynamic adaptation allows the system to perform quick single-color calibration when color variation is small, reducing processing time, while switching to comprehensive multi-color calibration when color variation exceeds a threshold, ensuring correction accuracy is maintained.
3Manufacturing precision
If both single-color and multi-color calibration are always performed, then correction accuracy is maintained, but processing time significantly increases
Solution Approach 1:
The system dynamically adjusts the calibration process by detecting color variation magnitude and automatically selecting between single-color and multi-color calibration modes. This dynamic adaptation allows the system to perform quick single-color calibration when color variation is small, reducing processing time, while switching to comprehensive multi-color calibration when color variation exceeds a threshold, ensuring correction accuracy is maintained.
Solution Approach 2:
The system incorporates feedback mechanisms by continuously monitoring color variation and using this information to determine the appropriate calibration level. The feedback loop allows the system to adapt its calibration strategy based on actual printer performance, performing only the necessary calibration depth to maintain accuracy without unnecessary processing time expenditure.
Data Source
AI summary
An image processing apparatus according to the present invention includes an image forming unit configured to form an image, a measuring unit configured to measure the formed image, a control unit configured to control execution of a single-color calibration to be performed to correct reproduction characteristics of a single-color formed by the image forming unit based on a measuring result of a single-color image formed with a single-color recording agent and execution of a multi-color calibration to be performed to correct reproduction characteristics of a multi-color image formed by the image forming unit based on a measuring result of a multi-color formed with a plurality of recording agents, and a selection unit configured to select whether to cause the control unit to perform the multi-color calibration after completing the single-color calibration or cause the control unit to perform any one of the single-color calibration and the multi-color calibration.