Image Inspection Apparatus Reference Image Generation
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Solution Overview
Problem
Existing image inspection systems consume a large amount of storage memory when dealing with a large number of pages of document images, making them inefficient.
Innovation Solution
An image inspection apparatus that generates a reference image for each copy, allowing for parallel processing of reference image generation and inspection image formation, thereby reducing memory storage needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If document images are stored in memory for inspection, then inspection accuracy is improved, but memory storage consumption increases significantly when the number of pages is large
Solution Approach 1:
The patent divides the document images into multiple groups, where each group contains a subset of the total pages. For each group, a reference image is generated and stored in memory, while other groups are processed separately. This segmentation allows the system to maintain inspection accuracy by having reference images available in memory without requiring all document images to be stored simultaneously, thus reducing overall memory storage consumption.
2Reliability
If all document images are loaded into memory for inspection, then complete inspection coverage is achieved, but processing time and memory usage increase
Solution Approach 1:
The patent performs preliminary actions by generating reference images for each group of document images before the actual inspection process. These reference images are stored in memory and reused during inspection, eliminating the need to repeatedly process and store all original document images. This preliminary generation of reference images ensures complete inspection coverage while significantly reducing both processing time and memory usage during the inspection phase.
Data Source
AI summary
An image inspection apparatus includes a hardware processor, and the hardware processor inspects an image formed on each of recording media of a plurality of copies based on acquired image data. The hardware processor generates, for each of the copies, a reference image to be used for inspection of an image formed on each of the recording media of the plurality of copies.