Image Processing Apparatus for Translated Text Placement
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Solution Overview
Problem
Existing techniques for extracting and displaying character information from images fail to maintain original position and visibility, as translated character information often exceeds the original region, leading to poor readability and visibility issues.
Innovation Solution
An image processing apparatus with a character recognition unit, detection unit, and placement unit that extracts character regions, detects areas with minimal feature change, and expands the placement region to ensure the translated text fits without compromising visibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If character information after translation is placed at the original position in the original image, then the position correspondence is maintained, but the character information may not fit in the original region and run off the area
Solution Approach 1:
The patent extends the placement region beyond the original character bounding box by detecting regions with small feature changes (background areas) in spatial dimensions. This allows translated text to be placed in expanded regions while maintaining position correspondence, resolving the contradiction between position accuracy and available placement area.
2Area of stationary object
If character size is adjusted to fit the document area, then the text fits in the original region, but the character size may be too small to read
Solution Approach 1:
Instead of reducing character size to fit the original region, the patent expands the placement region into surrounding background areas (detecting regions with small feature changes). This allows maintaining or even increasing character size while providing sufficient placement space, thus preserving readability.
Solution Approach 2:
The patent applies different quality requirements to different regions: the original character region maintains its structural integrity, while the expanded placement region uses areas with small feature changes (background) that can accommodate larger text without compromising overall image quality or readability.
3Area of stationary object
If character information is displayed in a translation display area different from the original character region, then the text fits properly, but it is not easy to understand the original position of the character information
Solution Approach 1:
The patent nests the expanded placement region within the context of the original image structure. By detecting regions with small feature changes that are adjacent to or surround the original character region, the translated text remains spatially nested relative to the source, maintaining position correspondence while providing adequate placement area.
Data Source
AI summary
An image processing apparatus includes a character recognition unit configured to perform character recognition of a character region where characters exist in an image to generate character code, a detection unit configured to detect a region of the image where a feature change in the image is small, and a placement unit configured to place data obtained from the character code in the detected region.