Video Stream Appropriateness Control via Automated Frame Analysis
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Solution Overview
Problem
Current video telecommunication systems lack effective solutions for ensuring that a participant's video stream is acceptable for transmission, particularly addressing issues of privacy and appearance, and are prone to human error in managing video settings.
Innovation Solution
A video teleconferencing system that includes a motion detector, head locator, face recognizer, and video communication controller to assess and alter the video stream based on predefined rules for appropriateness, notifying or blocking transmission if the stream is not suitable, and allowing for automated learning from past calls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a participant manually monitors and mutes their video stream, then privacy control is improved, but human error and operational complexity increase
Solution Approach 1:
The system performs self-monitoring of the video stream by automatically analyzing frames to detect inappropriate content such as uncovered body parts or unsuitable backgrounds. The system autonomously mutes or blocks the video stream without requiring continuous manual intervention, thereby improving reliability while reducing operational burden on the user.
Solution Approach 2:
The system continuously analyzes video frames and provides real-time feedback to the user when inappropriate content is detected. This feedback mechanism enables automatic adjustment of video transmission status, ensuring reliable privacy control without requiring constant manual monitoring by the user.
2Reliability
If automated video monitoring is implemented, then reliability of appropriate video transmission is improved, but device complexity increases
Solution Approach 1:
The monitoring system is divided into distinct functional modules: a frame analyzer that processes individual video frames, a content evaluator that assesses appropriateness based on predefined criteria, and a stream controller that manages transmission. This segmentation reduces overall system complexity by making each component independent and manageable.
Solution Approach 2:
The video monitoring system is integrated into the existing video teleconferencing platform, serving multiple functions including privacy protection, professional appearance maintenance, and appropriate background control. This multi-functionality justifies the added complexity by providing comprehensive value across multiple operational scenarios.
3Reliability
If video transmission is blocked when appearance is not acceptable, then privacy and professionalism are improved, but communication flexibility is reduced
Solution Approach 1:
The system dynamically adjusts video transmission status based on real-time analysis of video content. Rather than imposing rigid blocking rules, the system adapts its behavior to the specific context, allowing video transmission when appropriate and blocking only when necessary, thereby maintaining professional standards while preserving communication flexibility.
Solution Approach 2:
The system acts as an intermediary between the user and the video transmission process. Instead of directly blocking video streams, it provides warnings and recommendations to the user, allowing them to make informed decisions about whether to adjust their appearance or proceed with the call, thus maintaining flexibility while ensuring professionalism.
Data Source
AI summary
A video teleconferencing system is provided that (i) determines whether an image frame of a first participant is appropriate for a second participant to the video call and (ii), when the image frame is not appropriate for the video call, alters the image frame to be appropriate for the second participant; before transmission of the image frame to the second participant, notifies the first participant that the image frame is not appropriate; refocuses a camera receiving an image of the first participant so that the image frame becomes appropriate for the second participant; and/or blocks transmission of the at least one image frame to the second participant.