Digital Image Straightening with Grid Alignment and Auto-Crop
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Solution Overview
Problem
Digital images often appear tilted due to incorrect rotational orientation, both in terms of visual content and peripheral shape, making it difficult to display them aesthetically pleasing, as it is challenging to determine the perfect rotational orientation, especially when adjustments to one aspect affect the other.
Innovation Solution
A user interface control, such as a slider, is used to adjust the rotational orientation of digital images, with a superimposed grid to assist in alignment, followed by automatic cropping or filler data addition to maintain the original peripheral shape orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the rotational orientation of the visual content is adjusted, then the aesthetic quality of the image content is improved, but the peripheral shape becomes misaligned
Solution Approach 1:
The patent separates the image into two distinct components: the visual content (photograph) and the peripheral shape (frame/border). By applying different rotational transformations to each component independently, the system can optimize the orientation of the visual content without compromising the alignment of the peripheral shape, thus resolving the contradiction between content orientation precision and shape alignment.
Solution Approach 2:
The patent merges the rotated visual content with the original peripheral shape in a composite display structure. The visual content is rotated to achieve proper orientation while the peripheral shape remains stationary and aligned, and both are combined in the final display to present a harmonious composition that satisfies both orientation precision and shape alignment requirements.
2Adaptability or versatility
If software tools are used to adjust rotational orientation, then image manipulation capability is improved, but determination of perfect orientation remains difficult
Solution Approach 1:
The patent implements a feedback mechanism by displaying the rotated visual content within the context of the original peripheral shape, allowing users to visually assess the orientation quality in real-time. This feedback loop enables users to iteratively adjust the rotation angle and evaluate the results, progressively converging on the perfect orientation through visual confirmation rather than relying on complex measurement tools.
Solution Approach 2:
The patent introduces an intermediary display structure that shows the rotated visual content superimposed or positioned within the original peripheral shape boundaries. This intermediary representation serves as a mediator between the rotation adjustment control and the final output, providing visual guidance that helps users determine the perfect orientation without requiring sophisticated measurement instruments.
3Manufacturing precision
If the photograph is displayed to correctly orient the visual content, then aesthetic quality is improved, but the peripheral shape appears tilted
Solution Approach 1:
Instead of rotating the entire image including the peripheral shape, the patent inverts the conventional approach by keeping the peripheral shape fixed and stationary in its original aligned position, while only rotating the visual content within it. This inversion of the transformation application resolves the contradiction by maintaining shape alignment while achieving content orientation through differential transformation.
Data Source
AI summary
As the user operates the straighten control, the rotational orientation of a selected image is changed. According to one embodiment, a grid is superimposed over the image while the straighten control is being operated, to assist the user in selecting the proper rotational orientation. In addition, after a rotational adjustment, the image is automatically cropped to ensure that the orientation of the peripheral shape of the image remains unchanged.