Diagnostic Image Layout for Faster Printer Fault Analysis
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Solution Overview
Problem
Existing image forming apparatus diagnostics face a trade-off between reducing the amount of information used for diagnosis and maintaining diagnostic accuracy, as deleting parts of the read image for diagnosis can degrade accuracy.
Innovation Solution
An information processing apparatus that acquires an image read portion and a specific portion from a recording medium, reducing the amount of information transmitted while ensuring diagnostic accuracy by selectively extracting relevant data from read images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If part of the read image is deleted to reduce information amount, then processing time is reduced, but diagnostic accuracy is degraded
Solution Approach 1:
The patent divides the read image into multiple regions of interest (ROIs) based on different defect types. Instead of processing the entire image or randomly deleting parts, the system segments the image into specific areas where defects are likely to occur, and only processes these segmented regions for diagnosis.
Solution Approach 2:
The patent applies different processing quality levels to different regions of the image. High-quality processing is applied to ROIs corresponding to specific defect locations, while other areas are either excluded or processed at lower quality, optimizing the balance between processing time and diagnostic accuracy for each region.
2Measurement precision
If the entire read image is used for diagnosis, then diagnostic accuracy is maintained, but the amount of information to be processed increases
Solution Approach 1:
The patent extracts only the necessary regions of interest from the complete read image based on predicted defect locations. By taking out and processing only these specific ROIs rather than the entire image, the system reduces the quantity of information to be processed while maintaining diagnostic accuracy for the areas where defects are most likely to occur.
Solution Approach 2:
The patent performs partial processing by focusing computational resources only on specific ROIs rather than the entire image. This partial action approach processes sufficient information to achieve accurate diagnosis without the excessive processing burden of analyzing every pixel in the complete read image.
3Loss of information
If diagnostic images are formed on larger recording media, then more diagnostic information can be captured, but the complexity of handling and processing increases
Solution Approach 1:
The patent segments large recording media into multiple smaller regions of interest, each corresponding to potential defect locations. This segmentation allows the system to capture comprehensive diagnostic information across the entire media while processing only the relevant segmented regions, thereby reducing processing complexity without losing diagnostic information.
Solution Approach 2:
The patent performs preliminary identification of defect locations and corresponding ROIs before detailed processing. By predicting where defects are likely to occur and pre-defining the ROIs that need detailed analysis, the system prepares the data structure in advance, reducing the complexity of subsequent processing while ensuring all necessary diagnostic information is captured.
Data Source
AI summary
An information processing apparatus includes a processor configured to: acquire a read image resulting from reading a recording medium where a diagnostic image to be used to diagnose an image forming apparatus is formed; acquire, from the read image, an image read portion of the recording medium from which the diagnostic image is read and one specific portion of a non-formation read portion, the non-formation read portion resulting from reading a non-formation portion of the recording medium where the diagnostic image is not formed; and output the image read portion and the one specific portion.