Image Processing Device for Color Vision Deficiency Document Differentiation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Individuals with dichromatic or abnormal trichromatic vision face difficulties in differentiating red from achromatic colors, such as black, due to the absence of certain cone types, leading to challenges in recognizing important content in documents where red is used for emphasis.
Innovation Solution
An image-processing device that includes a memory storing a red range in the RGB color space, an acquisition unit for document image data, and a production unit that creates a differentiation image within the document image to distinguish red characters from other colors, and an information image indicating whether the differentiation has been applied, allowing users to easily identify emphasized content and restore the original document state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If red color is used for emphasis in documents, then information importance is highlighted, but users with dichromatic or abnormal trichromatic vision cannot differentiate red from achromatic colors
Solution Approach 1:
The patent segments the document image into multiple layers: the original document image layer and a differentiation image layer. The differentiation image layer contains only the red emphasized characters extracted from the original document, allowing users with color vision deficiencies to access important information by switching between layers or viewing the differentiation layer separately.
Solution Approach 2:
The patent introduces an intermediary processing system that detects red colors in the original document and generates a differentiation image. This intermediary process acts as a bridge between the original colored document and the needs of users with color vision deficiencies, converting color-based information into a form accessible to all users.
2Adaptability or versatility
If a differentiation image is added to help users with color vision deficiencies, then accessibility is improved, but device complexity increases
Solution Approach 1:
The patent applies local quality by processing only the specific red color regions in the document rather than the entire image. The differentiation image generation focuses exclusively on extracting and highlighting red emphasized characters, leaving the rest of the document unchanged. This localized approach reduces processing complexity compared to global image transformations.
Solution Approach 2:
The patent performs preliminary action by pre-defining the red color range in the RGB color space and preparing the differentiation image generation process in advance. The system stores the red range parameters and has the capability to quickly generate differentiation images when needed, reducing the complexity burden during actual document viewing or printing operations.
3Ease of operation
If red characters are differentiated from other colors, then users with color vision deficiencies can identify emphasized content, but the original document state is altered
Solution Approach 1:
The patent implements dynamics by making the differentiation image configurable and switchable rather than permanently altering the original document. Users can dynamically adjust whether the differentiation image is applied, and the original document image remains intact and可随时 accessible. This dynamic approach allows flexible adaptation to different user needs while preserving document integrity.
Data Source
AI summary
An image-processing device includes: a memory that stores a red range occurring within a color space; an acquisition unit that acquires image data representing a document image that includes characters; and a production unit that produces image data representing an overall image that includes: the document image represented by the image data that is acquired by the acquisition unit, a differentiation image that is positioned within the document image and that allows the user to differentiate an image of red characters residing in the range from an image formed of colors other than red, and an information image representing information for acquiring the document image in a state in which the differentiation image is not positioned.