Zooming User Interface Frames Embedded in Video Sequences
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Solution Overview
Problem
Current video playback technologies struggle to effectively integrate zooming user interface (ZUI) frames into video sequences, particularly in capturing and displaying 3D-like movements and interactions with objects, as camera shaking and varying perspectives complicate user comprehension.
Innovation Solution
A method is developed to insert ZUI frames into video sequences captured while the camera moves in multiple degrees of freedom, using match moving and telestration techniques to align ZUI frames with captured frames, creating a 3D effect by overlaying ZUI sequences onto video frames while adjusting playback speed to minimize the impact of camera shaking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If ZUI frames are inserted into video sequences captured with camera movement in multiple degrees of freedom, then 3D-like interaction and user engagement are improved, but camera shaking and perspective variation cause misalignment and reduce user comprehension
Solution Approach 1:
The system performs match moving analysis on video frames before inserting ZUI frames, pre-calculating camera position and orientation data. This preliminary processing establishes a spatial reference framework that enables accurate ZUI frame placement despite camera movement, resolving the alignment precision issue while maintaining 3D interaction capability
Solution Approach 2:
The system creates virtual copies of the camera's position and orientation (virtual camera) to track and match the physical camera movement. By copying camera motion data and applying it to ZUI frame placement, the system maintains precise alignment between ZUI elements and video content even during complex camera movements in multiple degrees of freedom
2Stability of the object's composition
If playback speed is adjusted to minimize camera shaking impact, then playback stability is improved, but frame rate variation may affect video smoothness
Solution Approach 1:
The system dynamically adjusts playback parameters based on detected camera stability. When camera shaking is detected, the system slows playback to match the shaking frequency, reducing visual disruption. When camera is stable, normal playback speed is restored. This dynamic adaptation maintains both playback stability and frame rate consistency by adjusting speed only when necessary
Solution Approach 2:
The system applies periodic playback adjustments synchronized with detected camera shaking patterns. By identifying the frequency and rhythm of camera movement, the system applies counteracting periodic adjustments to frame display timing, effectively canceling out the visual impact of shaking while maintaining overall playback smoothness
Data Source
AI summary
A method is provided to display an image frame sequence comprising: displaying an image frame sequence on a display screen; and in the course of displaying the image frame sequence, displaying a zooming user interface (ZUI) frame sequence on the display screen.