Canon kabushiki kaisha (20240195931). IMAGE FORMING APPARATUS, CONTROL METHOD OF IMAGE FORMING APPARATUS, AND STORAGE MEDIUM simplified abstract
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IMAGE FORMING APPARATUS, CONTROL METHOD OF IMAGE FORMING APPARATUS, AND STORAGE MEDIUM
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IMAGE FORMING APPARATUS, CONTROL METHOD OF IMAGE FORMING APPARATUS, AND STORAGE MEDIUM - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240195931 titled 'IMAGE FORMING APPARATUS, CONTROL METHOD OF IMAGE FORMING APPARATUS, AND STORAGE MEDIUM
The patent application describes a method for generating correction information to correct the sensed value of a scan unit based on scanned data from a printed chart and colorimetric data obtained by a colorimetry unit.
- The first chart includes a patch with uniform density and a position adjustment pattern for identifying positions in the main scanning direction.
- Correction information is generated by aligning the pixel position of the patch in the scanned data with the colorimetry position in the colorimetric data.
- The correction information determines a corrected value of the sensed value at a specific pixel position.
Potential Applications: - Printing industry for color accuracy calibration - Quality control in printing processes - Image processing and color correction software development
Problems Solved: - Ensuring accurate color reproduction in printing - Improving the precision of scan unit readings - Enhancing overall print quality and consistency
Benefits: - Increased color accuracy in printed materials - Reduced waste due to color errors - Improved efficiency in printing processes
Commercial Applications: Title: "Color Calibration Technology for Printing Industry" This technology can be used in commercial printing companies, graphic design firms, and software development companies focusing on color management tools.
Prior Art: Prior art related to this technology may include patents or research on color calibration methods in printing, colorimetry devices, and image processing algorithms.
Frequently Updated Research: Stay updated on advancements in color calibration technologies, developments in colorimetry devices, and improvements in image processing software for color correction.
Questions about Color Calibration Technology: 1. How does this technology improve color accuracy in printing processes? 2. What are the key components of the correction information generated in this method?
Original Abstract Submitted
based on scanned data obtained by a scan unit reading a first chart printed and output by a printing unit and colorimetric data obtained by a colorimetry unit measuring the first chart, correction information for correcting a sensed value of the scan unit is generated. the first chart includes a patch extending in a main scanning direction substantially perpendicular to a sheet conveyance direction and having a uniform density, and a position adjustment pattern formed outside the patch for identifying a position in the main scanning direction on the patch. a first generation unit generates the correction information by causing a pixel position of an end portion of the patch in the scanned data and a colorimetry position of an end portion of the patch in the colorimetric data to correspond to each other and determining a corrected value of the sensed value at a specific pixel position.
