Video Effect Rendering in Communication Terminals
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Solution Overview
Problem
Current video-over-IP systems lack the ability for real-time video effects to be applied and synchronized between users during video calls, limiting interactive and social features such as applying effects to both parties and sharing these effects on social media.
Innovation Solution
A user terminal system that captures and transmits video signals with the capability to receive and apply selected effects from a remote terminal, allowing users to enhance their own and others' video images with features like 'photo booth' effects, and enables sharing of these effects on social media platforms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If video effects are applied only at the transmitting end, then device complexity is reduced, but user interaction and social features are limited
Solution Approach 1:
The patent introduces an effect information transmission mechanism that acts as an intermediary between terminals. Effect selection information is transmitted from the remote terminal to the local terminal, enabling coordinated effect application without requiring complex centralized control. This mediator approach resolves the contradiction by enabling interaction while keeping individual terminal complexity manageable.
Solution Approach 2:
The patent combines effect application at both transmitting and receiving ends, merging previously separate functions. The local terminal now applies effects locally based on received effect information, while the remote terminal also applies effects to its own video stream. This merging enables bidirectional interaction and social features while distributing complexity across multiple components.
2Adaptability or versatility
If effects are transmitted and applied at the receiving end, then user interaction is enhanced, but network bandwidth consumption increases
Solution Approach 1:
The patent extracts only the essential effect selection information from the full video stream and transmits it separately. Instead of transmitting complete video frames with effects applied, the system transmits compact effect identification data that the local terminal uses to apply effects locally. This extraction approach enables interaction while minimizing network bandwidth consumption.
3Adaptability or versatility
If real-time effect synchronization is implemented, then social features are improved, but processing time and computational load increase
Solution Approach 1:
The patent implements preliminary action by having the transmitting terminal select and indicate effects before the receiving terminal applies them. The effect selection information is prepared and transmitted in advance, allowing the receiving terminal to apply effects without real-time computational delays. This preliminary preparation enables synchronization while minimizing processing time loss.
Data Source
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AI summary
A user terminal has an input for receiving a video signal, and a display for displaying to a user a video image derived from the video signal. A selection input is provided for receiving from the user at least one effect for enhancing the video image derived from the video signal. The user terminal has a rendering device for rendering on the display the video image derived from the video signal enhanced by the selected effect.