Printed Material Inspection Using Blank Page Reference Data
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Solution Overview
Problem
Conventional inspection of printed materials for defects is manually performed or relies on apparatuses that require registration of reference images for every page, leading to inefficiencies and limitations in handling blank pages.
Innovation Solution
An inspection apparatus that registers reference images based on print setting information, allows for inspection of blank pages by generating corresponding reference data, and performs defect detection using scanned images, enabling efficient inspection across various print settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the inspection system relies on pre-registered reference images, then inspection accuracy is improved, but the system cannot inspect blank pages
Solution Approach 1:
The inspection system performs self-service by automatically generating a blank reference image when no pre-registered reference image exists, enabling the system to inspect blank pages autonomously without external intervention or manual registration
Solution Approach 2:
The system changes the parameter of the reference image from a pre-registered specific image to a dynamically generated blank image, allowing adaptation to different inspection scenarios including blank pages while maintaining inspection functionality
2Measurement precision
If manual reference image registration is required, then inspection precision is improved, but productivity is reduced
Solution Approach 1:
The system eliminates manual registration by performing self-service through automatic generation of blank reference images, removing the need for human operators to manually register references and thereby improving productivity
Solution Approach 2:
The system performs preliminary action by automatically preparing the blank reference image in advance when needed, eliminating the need for manual registration steps and streamlining the inspection workflow
Data Source
AI summary
An inspection apparatus configured to be communicably connected to an image forming apparatus for printing an image on a sheet, includes a controller for receiving at least a reference image and print setting information, registering the reference image based on the print setting information, receiving a scanned image generated by reading a printed material on which an image is printed on the sheet, and inspecting the printed material based on the scanned image and the reference image corresponding to the scanned image. The controller is arranged to perform the inspection using reference data when the scanned image includes a blank page for which a corresponding reference image is not registered.