Plenoptic Camera Audio Event Refocusing
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Solution Overview
Problem
Current broadcasting technologies face challenges in providing an immersive viewing experience, especially in large or multi-facility venues, as they lack the ability to dynamically refocus and adjust the broadcast based on real-time events, leading to suboptimal engagement and entertainment value.
Innovation Solution
A plenoptic camera system with an array of sensors and processors that capture digital images and audio signals, allowing for automatic refocusing from a default spatial coordinate to a new coordinate based on event detection, such as audio or sensor triggers, to provide an immersive experience by dynamically shifting the focus to areas of interest.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a single plenoptic camera is used to capture multi-viewpoint images, then the device size is reduced compared to using two cameras, but the ability to dynamically refocus and adapt to real-time events is limited
Solution Approach 1:
The plenoptic camera system implements dynamic refocusing by processing light field data captured from multiple angles to generate images focused at different depths. The system can shift focus between foreground and background elements in real-time, allowing adaptive composition without physical camera movement. This enables a single camera to perform what would traditionally require multiple cameras or complex mechanical adjustments.
2Ease of operation
If traditional broadcasting technology is used, then the system is simple and easy to operate, but it cannot provide immersive viewing experience or dynamically adjust to real-time events
Solution Approach 1:
The system introduces an audio event detection intermediary that monitors audio signals and triggers automatic focus adjustments. When specific audio events are detected (such as crowd reactions, player communications, or significant game moments), the system automatically refocuses the image to highlight the relevant spatial region. This intermediary layer bridges simple operation with intelligent adaptive response, requiring no complex user input while delivering immersive, event-driven broadcasting.
3Ease of operation
If manual focus adjustment is used, then the operator has full control over focus positioning, but the response time to capture real-time events is delayed
Solution Approach 1:
The system implements automatic feedback-driven focus adjustment by continuously monitoring audio signals and comparing them against predefined event thresholds. When audio events exceed these thresholds, the system automatically triggers focus transitions to the corresponding spatial coordinates. This closed-loop feedback mechanism eliminates manual response delays while maintaining precise focus control, enabling the system to react instantaneously to real-time events such as goal celebrations or critical plays.
Data Source
AI summary
A plenoptic camera and associated method is provided. The camera has an array of sensors for generating digital images. The images have associated audio signals. The array of sensors are configured to capture digital images associated with a default spatial coordinate and are also configured to receive control input from a processor to change focus from said default spatial coordinate to a new spatial coordinate based on occurrence of an event at said new spatial coordinate.