Live Video Stream Frame Tagging for Snapshot Capture

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Solution Overview

Problem

In video conference scenarios, participants face challenges in capturing and storing individual frames of interest from a live video stream for later use, as existing technologies do not provide efficient methods for tagging and downloading specific frames during the live stream.

Innovation Solution

The system allows a presenter to tag individual frames or ranges of video frames within a live video stream, making them available for remote users to download as still pictures using in-band data transmission, enabling participants to capture and store specific images from the video conference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If participants want to capture individual frames from live video stream, then they can preserve key moments for later use, but existing technologies lack efficient methods for tagging and downloading specific frames

Engineering Contradiction:
Improveease of capturing framesVSAvoidability to capture specific frames
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The presenter tags individual frames or ranges of video frames in advance during the live stream, marking them for later download. This preliminary tagging action enables participants to efficiently capture specific frames of interest without having to manually search through the entire video stream later.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces an intermediary tagging mechanism that sits between the video stream and the participant's capture capability. This tagging system acts as a mediator that identifies and marks specific frames, making them easily downloadable for participants who want to preserve key moments from the presentation.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If the system provides snapshot capture functionality, then user engagement and content management improve, but the system complexity increases

Engineering Contradiction:
Improveuser engagement capabilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The snapshot capture feature is designed to work within the existing live video stream infrastructure, making the system multi-functional. The same video streaming platform that delivers live content also supports frame tagging and download capabilities, eliminating the need for separate capture tools and reducing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system provides self-service snapshot capture where participants can independently tag and download frames they find interesting during the live stream. This self-service approach eliminates the need for complex administrative controls or manual frame extraction processes, simplifying the system while enhancing user engagement.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8803991B2Snapshot capture in video stream
Publication Date: 2014.08.12 CISCO TECHNOLOGY INC
  • US8803991B2 patent drawing
  • US8803991B2 patent drawing
  • US8803991B2 patent drawing

AI summary

In video conference scenarios, participants may be interested in preserving particular video frames. The participants may wish to capture one or more individual frames for storage and later usage. Systems and methods are described herein for a presenter to tag individual pictures during a live video stream for remote user download.