Mediated Reality View Transition with Modified Foreground
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Solution Overview
Problem
Current mediated reality technologies face challenges in smoothly transitioning between different points of view and modifying foreground elements when changing perspectives, leading to disorientation for users.
Innovation Solution
A method that displays a background and foreground from a first point of view, followed by displaying a modified foreground, then a background and foreground from a second point of view, allowing for seamless transitions and user interaction within virtual or augmented reality environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the point of view changes rapidly between different perspectives, then the responsiveness and dynamic interaction of the mediated reality system is improved, but user disorientation increases and spatial coherence deteriorates
Solution Approach 1:
The system performs preliminary actions by displaying the modified foreground before actually changing the background to the new point of view. This preparatory display of modified foreground elements (such as faded or ghosted images of objects at their new positions) prepares the user's spatial understanding before the full perspective transition occurs, reducing disorientation while maintaining responsive interaction.
Solution Approach 2:
The modified foreground acts as an intermediary element between the old and new perspectives. By displaying semi-transparent or faded representations of foreground objects at their new positions while the background transitions, the system provides a visual mediator that helps users understand the spatial relationship and maintain coherence during the perspective change.
2Ease of operation
If the foreground is modified during perspective transitions, then user orientation and spatial understanding are improved, but the complexity of the display processing increases
Solution Approach 1:
The system applies local quality by modifying only the foreground elements during perspective transitions while leaving the background transition handling to standard rendering. Specifically, foreground objects are displayed in a modified state (faded, ghosted, or semi-transparent) at their new positions, providing orientation cues without requiring complete reprocessing of the entire scene, thus balancing user orientation needs with processing complexity.
3Loss of information
If multiple foreground elements are displayed simultaneously from different perspectives, then the information completeness is improved, but the visual clarity and user focus are reduced
Solution Approach 1:
The system applies asymmetry by displaying foreground elements with different visual characteristics based on their perspective state. Modified foreground elements (from the new perspective) are displayed with reduced opacity or faded appearance, while the original foreground elements (from the old perspective) maintain their normal appearance. This asymmetric treatment provides clear visual hierarchy, maintaining information completeness while preventing visual clutter by making it clear which elements are primary and which are transitional.
Data Source
Figure 1A~2B
Figure 1C~3B
Figure 4~8
AI summary
A method comprising: displaying a background of a scene from a first point of view and a foreground of the scene from the first point of view; displaying a background of the scene from the first point of view and a modified foreground of the scene from the first point of view; displaying a background of a scene from a second point of view and a modified foreground; and displaying a background of a scene from the second point of view and a foreground of the scene from the second point of view.