Image Processing Job Log Control via Creation Guarantee Levels
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Solution Overview
Problem
Current printing systems lack effective job log control mechanisms to ensure secure and efficient logging of image processing jobs, particularly in shared network environments, where ensuring high security levels and performance can be conflicting priorities.
Innovation Solution
A computer-readable medium storing a program that executes functions for image processing, including creating a log image from handled images, setting a creation guarantee level, and controlling job execution to complete only after a high-level log image is created, ensuring secure logging and transfer of job logs and log images to an external server.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system waits for complete log image creation before job completion, then security and logging reliability are improved, but job processing time and productivity deteriorate
Solution Approach 1:
The system creates log images in advance during job execution rather than after completion. The log image creation process starts immediately when the job begins, allowing the logging function to be prepared beforehand so that job completion isn't blocked by the logging process.
Solution Approach 2:
The logging function is separated into an independent parallel process from the main job execution flow. The log image creation, transfer, and storage operations are segmented into distinct steps that run concurrently with job processing, eliminating the sequential dependency that caused the time delay.
2Reliability
If log image creation is performed with high priority, then logging completeness is improved, but system resource consumption and processing overhead increase
Solution Approach 1:
The system creates a simplified log image containing only the essential information needed for auditing purposes, rather than creating a complete high-fidelity copy of the entire image. This partial action approach ensures logging completeness for security requirements while reducing the computational resources and time needed for log image creation.
Data Source
AI summary
There is provided a computer readable medium storing a program causing a computer to execute a function for an image processing. The function comprises: executing a job; creating a log image from an image handled in the job; setting a creation guarantee level of the log image; and controlling the execution of the job to be completed after the log image is created, if the creation guarantee level is set to a high level.


