Reference Image Verification in Print Inspection Systems
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Solution Overview
Problem
Existing print quality inspection systems fail to prevent printed products from being output without proper reference image registration, leading to incomplete inspection.
Innovation Solution
An inspection system that includes a printing apparatus, an inspection apparatus, and an information processing apparatus, where the inspection apparatus receives scanned images and compares them with registered reference images to ensure that printing and inspection are only initiated when a valid reference image is registered.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the inspection system allows printing to start without verifying reference image registration, then printing productivity is improved, but inspection reliability deteriorates because printed products may be output without proper inspection capability
Solution Approach 1:
The system performs reference image registration verification before allowing printing to start. The control unit checks whether a reference image is properly registered in the storage unit before transmitting print jobs to the printing apparatus, preventing printing without inspection capability
Solution Approach 2:
The system provides feedback to the user about the reference image registration status. When no reference image is registered, the control unit displays a message indicating that inspection cannot be performed, preventing erroneous printing operations
2Reliability
If the system verifies reference image registration before printing, then inspection reliability is improved, but printing productivity deteriorates due to additional verification steps
Solution Approach 1:
The reference image registration verification is performed in advance before printing operations, ensuring inspection reliability is established beforehand without causing delays during actual printing processes
Solution Approach 2:
The system automatically checks reference image registration status without requiring manual verification operators. The control unit autonomously determines whether a reference image exists in the storage unit and controls printing accordingly, eliminating manual intervention overhead
Data Source
AI summary
In an inspection system including a printing apparatus, an inspection apparatus configured to inspect quality of a printed product printed by the printing apparatus, and an information processing apparatus configured to transmit a print job to the printing apparatus, the information processing apparatus transmits a print job to the printing apparatus in a case where a reference image to be used for inspecting the quality of the printed product corresponding to the print job is registered, and does not transmit the print job in a case where the reference image corresponding to the print job is not registered.