Interactive Video Compositing Using Chroma-Key Mixer and Data File Control
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Solution Overview
Problem
Current movie watching experiences are predominantly passive, with no ability for viewers to actively participate in their favorite scenes in real-time, unlike interactive activities like karaoke.
Innovation Solution
An interactive video compositing system using chroma-key technology to superimpose real-time video images onto prerecorded video, managed by internal circuitry and data files that control when and how the real-time image is inserted, incorporating a mixer, video switcher, and control circuitry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If chroma-key compositing technology is used to enable real-time video insertion into prerecorded content, then user interaction and engagement are improved, but device complexity increases due to the need for mixers, video switchers, and control circuitry
Solution Approach 1:
The system divides the video processing function into separate modular components: a mixer that performs chroma-key compositing, a video switcher that selects between composite and prerecorded video, and control circuitry that manages timing. This segmentation allows each component to be optimized independently while maintaining overall system functionality.
Solution Approach 2:
The patent introduces a data file as an intermediary that stores reference information about prerecorded video content. This data file acts as a mediator between the control circuitry and the video processing components, enabling automated switching decisions without requiring complex real-time analysis of the prerecorded video stream.
2Ease of operation
If automated switching based on data file reference information is implemented, then ease of operation is improved, but device complexity increases due to additional control circuitry and data file management
Solution Approach 1:
The system performs preliminary action by pre-analyzing the prerecorded video content and storing reference information in a data file before the actual compositing operation. This reference information includes timing and content metadata that enables automated switching decisions during playback, eliminating the need for complex real-time decision-making circuitry.
Solution Approach 2:
The control circuitry uses the data file reference information to automatically make switching decisions without requiring external intervention or complex processing. The system serves itself by using pre-stored information to control the video switching, reducing the need for sophisticated real-time control algorithms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables users to interactively insert themselves into movie scenes, creating a more engaging experience by overlaying real-time images onto prerecorded video content, enhancing user engagement and interaction.
Implementation Method 1
The mixer utilizes chroma-key technology to remove a chroma element from a real-time video image
Data Source
AI summary
An interactive video compositing device includes a chroma-key mixer, video switcher and control circuitry. The chroma-key mixer generates a composite image by combining a real-time image, such as one captured by a video recorder, with a prerecorded video image, such as a movie. The composite image includes the modified real-time image superimposed, or overlaid, onto the prerecorded image. The video switcher automatically selects either the composite image or the prerecorded image to be output to a display. The control circuitry controls the video switcher and other outputted signals based on data file information that corresponds to content of the prerecorded image or media. For example, the data files may contain information relating to the presence (or absence) of a particular character in a movie scene, thus allowing for the output and display, at appropriate times, of the real-time composite image instead of the prerecorded image.