User-Specific Color Profile Conversion for Readable Documents
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Solution Overview
Problem
Existing image forming devices do not adequately accommodate user-specific color recognition characteristics, such as color blindness or weakness, leading to difficulties in providing documents that are easily readable by users with such conditions.
Innovation Solution
The image forming apparatus includes a storage unit to store user-specific color recognition characteristics and color profiles, and a processor to identify and apply modification color profiles based on these characteristics, allowing for the conversion of documents to enhance readability for users with color impairments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a standard color profile is used for all users, then the device complexity is low and operation is simple, but users with color blindness or weakness cannot read documents properly
Solution Approach 1:
The system performs preliminary classification of users into normal and abnormal color recognition groups during device initialization or first use. Color recognition characteristics are pre-stored for each user, and corresponding color profiles are pre-configured. When a user accesses a document, the system automatically identifies their color recognition type and applies the appropriate pre-prepared color profile, eliminating the need for real-time analysis and simplifying the operation while improving readability for users with color impairments.
2Ease of operation
If color recognition characteristics are stored for each user, then document readability improves for users with color impairments, but the storage requirements and data management complexity increase
Solution Approach 1:
Instead of storing complete color profile data for each user, the system stores only the essential color recognition characteristics (normal or abnormal classification) locally for each user. The actual color profile data is stored centrally or referenced from a standard library. When processing documents, the system uses the user's stored characteristic identifier to retrieve the appropriate color profile, significantly reducing per-user storage requirements while maintaining the ability to provide personalized color-adjusted documents.
3Adaptability or versatility
If color profiles are converted in real-time based on user characteristics, then document accessibility improves, but the processing time increases
Solution Approach 1:
The system performs color profile conversion in advance and stores the converted documents or conversion results. When a user requests a document, the system retrieves the pre-converted document that matches their color recognition characteristics rather than performing real-time conversion. This preliminary processing approach eliminates time-consuming real-time color space transformations while maintaining full adaptability to different user color recognition abilities.
Solution Approach 2:
Instead of converting the original document in real-time, the system creates and stores copy versions of documents with different color profiles applied. Each user receives a pre-generated copy optimized for their color recognition characteristics. This copying approach allows multiple user-specific versions to be prepared in advance without affecting the original document and enables rapid delivery to users without real-time processing delays.
Data Source
AI summary
An example image forming apparatus includes a storage unit to store color recognition characteristics registered for a plurality of users and a plurality of modification color profiles for compensating each color recognition characteristic, and a processor. The processor, based on a job command for a document of a user being input, is to identify the color recognition characteristics of the user from the storage unit, obtain a modification color profile from the storage unit, and convert the document by using the modification color profile.