Remote Group Photo Generation via Real-Time Video Preview and Adjustment
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Solution Overview
Problem
Current methods for remote group photography lack real-time video preview, leading to time-consuming post-processing and complex interactions, making it difficult for users to achieve a good visual effect and match expressions in group photos.
Innovation Solution
A method and apparatus for remote group photography that enables real-time video preview by obtaining and presenting video streams from multiple terminals, allowing for higher-resolution image capture and adjustment parameters like zoom, rotation, and flipping, to generate a high-definition group photo image based on preset templates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If post-processing methods like PS are used to create group photos, then group photos of persons at different places can be produced, but the process consumes a large amount of time and requires professional cropping and image retouching skills
Solution Approach 1:
The patent applies preliminary action by performing picture adjustment operations during the photographing process rather than after. The system allows users to adjust picture parameters (zoom, rotation, translation, flipping) in real-time before capturing the final group photo, eliminating the need for time-consuming post-processing operations like cropping and retouching.
Solution Approach 2:
The patent replaces manual mechanical post-processing operations (cropping, retouching) with automated digital picture adjustment parameters. The system uses software-based parameter adjustment (zoom ratio, rotation angle, translation displacement, flipping angle) to achieve the desired composition automatically, substituting manual mechanical operations with automated digital processing.
2Adaptability or versatility
If post-processing methods are used to create group photos, then remote group photos can be produced, but the viewfinder cannot be previewed in real time and actions and expressions of both parties cannot match
Solution Approach 1:
The patent implements feedback by providing real-time picture preview functionality during the photographing process. Users can see the adjusted picture composition in real-time through the preview interface, allowing them to adjust their actions and expressions before capturing the final photo. This ensures both parties can match their expressions and achieve the desired visual effect.
Solution Approach 2:
The system performs preliminary picture adjustment and preview before the actual photo capture. Users can adjust picture parameters and review the preview multiple times before finalizing the shot, ensuring satisfaction with the composition and expressions before the irreversible capture moment.
3Manufacturing precision
If video streams from multiple terminals are obtained and processed, then real-time preview and high-definition group photos can be achieved, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing a picture adjustment system that can be implemented on standard mobile terminals with common hardware capabilities. The solution uses software-based picture adjustment parameters that can be applied to any terminal with a camera and display, avoiding the need for specialized complex equipment. The same adjustment mechanisms work across different terminals, achieving high-definition group photos through software intelligence rather than hardware complexity.
Data Source
AI summary
A photographing method is provided. In the method, based on a video call between terminals at two places, each terminal previews, in a preset template, real-time preview video streams of the two parties. The two parties may separately adjust a picture of a local preview stream, and obtain a respective high-definition image through snapping when a preview group photo image is satisfying. Through file backhaul, one terminal can generate a high-resolution remote group photo based on snapped high-definition images of the terminals, a picture adjustment parameter during snapping, and the preset template.