Video Playback Frame Selection by Device Orientation
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Solution Overview
Problem
Current image display methods, such as multiple static photographs, lack seamless angle transitions, making it cumbersome for users to understand objects from various perspectives, especially when browsing products online.
Innovation Solution
A playback method that acquires frames from a video and device movement information to determine the corresponding frame to play based on the viewing angle of a playback terminal, using device movement information to select frames that match the current viewing angle, and optionally employing deep learning and compression algorithms to optimize frame selection and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple static photographs are used to show product views from different angles, then the user can view images of various angles, but the continuity between pictures is poor and manual switching is required
Solution Approach 1:
The patent transforms static photograph viewing into a dynamic experience by using video frames captured during device movement. The playback device plays back frames in sequence according to the original shooting movement, creating a dynamic viewing experience that automatically transitions between angles without manual intervention.
Solution Approach 2:
The shooting device captures video frames and records movement information in advance during the shooting phase. This preliminary action stores the spatial-temporal relationships between different viewing angles, enabling the playback device to automatically reconstruct the multi-angle view during playback without requiring real-time manual switching.
2Loss of information
If multiple photographs are provided for different viewing angles, then the user can understand the overall view, but the user needs to manually switch different pictures repeatedly
Solution Approach 1:
The patent ensures continuous viewing experience by playing back video frames in sequential order according to the original shooting movement. The frames are continuously displayed with automatic transitions, eliminating the interruptions and time loss associated with manual switching between separate photographs.
Solution Approach 2:
The system uses video frames captured during shooting as copies that preserve the spatial-temporal relationships of the original object from multiple angles. These frame copies are played back in sequence to reconstruct the complete multi-angle view, maintaining information completeness while eliminating manual switching operations.
3Ease of operation
If video frames are used to provide smooth angle transitions, then the viewing experience is improved, but the storage space requirement increases
Solution Approach 1:
The patent extracts only the essential video frames that correspond to significant viewing angle changes during playback. Rather than storing or displaying all video frames, the system selectively extracts and plays back frames that contribute to smooth angle transitions, reducing storage requirements while maintaining viewing quality.
Solution Approach 2:
The system uses a partial approach by selecting and playing back only the necessary subset of video frames required to achieve smooth angle transitions. This partial action avoids the excessive storage requirement of using complete video sequences, achieving the desired viewing smoothness with optimized frame selection.
Data Source
AI summary
A playback method, a playback device and computer-readable storage medium related to the data processing field. The playback method includes acquiring several frames in a video and device movement information of a shooting device when the video is shot; acquiring an initial viewing angle and a current viewing angle of a playback terminal used for playing the several frames; determining a frame corresponding to the current viewing angle according to the device movement information and a difference between the current viewing angle and the initial viewing angle; and playing the frame corresponding to the current viewing angle.