Barcode Inspection Apparatus with Automated Parameter Extraction
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Solution Overview
Problem
Existing inspection systems for print quality, particularly barcode inspection, require manual setting of inspection regions and threshold values, which is time-consuming and labor-intensive, and often necessitate registering a correct answer value for comparison, complicating the defect detection process.
Innovation Solution
An inspection apparatus with a reception unit for print data, a registration unit for registering images as reference images, an extraction unit for extracting barcode inspection information, and an inspection unit for inspecting scanned images based on the extracted information, allowing for automated barcode inspection and reduced manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual setting of inspection region and threshold value is performed using registered reference image, then inspection accuracy is maintained, but time consumption and labor intensity increase significantly
Solution Approach 1:
The system performs preliminary extraction of barcode inspection information from print data before the actual inspection process. By pre-processing the print data to extract barcode positions, types, and other relevant information, the system prepares inspection parameters in advance, eliminating the need for manual setting during the actual inspection and significantly reducing time consumption while maintaining accuracy
Solution Approach 2:
The inspection apparatus automatically extracts and sets inspection parameters by processing the print data itself. The system uses the print data to self-determine barcode inspection regions, threshold values, and other parameters without requiring external manual intervention or pre-registered reference images, enabling the system to serve itself in parameter configuration
2Measurement precision
If manual registration of reference image and correct answer value is performed, then accurate defect detection is achieved, but operation complexity and labor requirements increase
Solution Approach 1:
The system automatically extracts barcode inspection information directly from the print data, including barcode positions, types, and validation rules. This self-service approach eliminates the need for operators to manually register reference images or correct answer values, significantly reducing operation complexity while maintaining defect detection accuracy through automated parameter extraction
Solution Approach 2:
The extraction unit is designed to universally handle different barcode types and inspection requirements by analyzing the print data structure itself. Rather than requiring separate manual configuration for each inspection case, the system can automatically adapt to various barcode formats and inspection needs through its multi-functional extraction capability
3Productivity
If automated barcode inspection is implemented without manual setup, then productivity increases, but system complexity increases
Solution Approach 1:
The system extracts only the necessary barcode inspection information from the print data, separating the essential inspection parameters from the complete print data set. By extracting specifically barcode-related information such as positions, types, and validation rules, the system achieves automated inspection without requiring complex overall system redesign, thus improving productivity with controlled complexity increase
Solution Approach 2:
The extraction unit acts as an intermediary between the print data input and the inspection execution. It translates print data into standardized inspection parameters that the inspection unit can process automatically. This intermediary layer simplifies the interface between data input and inspection processing, enabling automation without proportionally increasing overall system complexity
Data Source
AI summary
An inspection apparatus according to exemplary embodiments of the present disclosure includes a reception unit configured to receive print data, a registration unit configured to register an image included in the print data as a reference image, an extraction unit configured to extract information relating to a barcode inspection from the received print data, and an inspection unit configured to inspect, when a scanned image generated by scanning a print product is received, a barcode in the scanned image, based on the extracted information relating to the barcode inspection.