Image Reading Apparatus Document Area Clipping Control
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Solution Overview
Problem
Existing image reading apparatuses often include background areas at the edges of image data, leading to user unfriendliness as they fail to effectively clip the document area within the reading area, resulting in incomplete document images.
Innovation Solution
The apparatus includes a control unit that generates first rectangular image data encompassing the entire document area and second rectangular image data excluding background areas, allowing for user input to select and display either image type, enhancing user friendliness by providing options for image processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the image reading apparatus generates rectangular image data that includes the whole of the document area, then the complete document image is ensured, but background areas are included at the edges of the image data
Solution Approach 1:
The patent divides the image processing into two distinct modes: a first mode that generates rectangular image data including the whole document area (with background), and a second mode that generates rectangular image data excluding background areas. This segmentation allows users to select the appropriate mode based on their needs, resolving the contradiction between complete document capture and background elimination.
Solution Approach 2:
The system dynamically switches between two different image generation approaches based on user selection. The control unit can adaptively choose to perform either the first image data generation processing (including background) or the second image data generation processing (excluding background), making the system flexible enough to handle both requirements without compromise.
2Ease of operation
If the image reading apparatus provides automated image generation, then the operation is simplified, but the user cannot customize the image processing according to specific needs
Solution Approach 1:
The control unit is designed to perform multiple functions: it can automatically generate rectangular image data in the first mode for users who want complete document capture, and it can generate rectangular image data in the second mode for users who want background elimination. This multi-functionality allows a single device to serve diverse user needs, balancing ease of operation with adaptability.
Solution Approach 2:
The system allows dynamic switching between automated processing modes based on user input. The control unit responds to user selections to adaptively change the image generation behavior, providing both automated convenience and customization flexibility within a unified operational framework.
Data Source
AI summary
An image reading apparatus acquires first control data regarding generation of first rectangular image data that includes a whole of a document area corresponding to a document within a reading area of read image data. The image reading apparatus acquires second control data regarding generation of second rectangular image data that does not include a background area not corresponding to the document within the reading area of the read image data and includes at least a part of the document area.