Interactive Thermographic Display System for Real-Time Heat Visualization
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Solution Overview
Problem
Thermal imaging devices, while capable of capturing temperature differences, do not inherently allow for the visualization of heat energy flow or residual heat patterns in a dynamic environment, limiting their creative application in art and performance.
Innovation Solution
An interactive thermographic display system combining a thermal camera and a visible light projector, which captures live thermal video and projects a visible light representation onto a screen, allowing users to visualize and interact with their body heat patterns in real-time, and optionally prints these patterns for subsequent presentation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If thermal cameras are used to capture temperature differences, then temperature detection capability is improved, but visualization of heat energy flow and residual heat patterns is not achieved
Solution Approach 1:
A projection screen serves as an intermediary between the thermal camera and the viewer. The screen captures residual heat from user contact and transfers this thermal information to the thermal camera, which then projects visible light representations of the heat patterns back onto the screen, making invisible heat energy flow visible to human eyes.
Solution Approach 2:
The system applies color mapping to represent different temperature levels on the screen. The thermal camera captures temperature variations and the system renders these as colored patterns that change according to temperature, allowing viewers to visually distinguish different heat energy levels and flow patterns.
2Ease of operation
If live thermal video is projected in real-time, then interactive visualization capability is improved, but system complexity increases
Solution Approach 1:
The system merges multiple functions into an integrated setup: the projection screen serves both as the interaction surface and the display medium, the thermal camera captures and processes thermal data, and the projector renders the visual output. This combination creates a cohesive interactive system where each component supports the others, managing complexity through functional integration.
Solution Approach 2:
The system implements real-time feedback by continuously capturing thermal patterns from the screen, processing this data, and immediately projecting the visual representation back onto the screen. This closed-loop feedback mechanism enables interactive visualization where user actions are instantly reflected in the visual output, enhancing ease of operation.
3Adaptability or versatility
If the screen material allows heat detection, then thermal interaction capability is improved, but visible light projection visibility may be compromised
Solution Approach 1:
The projection screen is designed with locally optimized properties: it has thermal conductivity sufficient to allow heat detection and transfer to the thermal camera, while simultaneously maintaining high visible light reflectivity or transmission for clear projection visibility. Different regions or layers of the screen material are optimized for their specific functions - thermal interaction and visual display.
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 artists and performers to creatively portray temperature relationships and residual heat patterns, expanding the applications of thermal imaging beyond traditional uses into interactive displays and artistic expressions.
Implementation Method 1
The thermal camera is located on a first side of the screen and captures live thermal video of the first side of the screen
Implementation Method 2
The visible light projector projects a visible light representation of the live thermal video onto the first side of the screen
Data Source
AI summary
Disclosed is an interactive thermographic presentation system and associated methods. The exemplary thermographic presentation system captures residual heat from human touch and/or breath on a surface over time and generates a visual representation of the captured heat pattern. The visual representation may be generated in real time using a visual light projector or stored for subsequent presentation, which may include generating a physical print of the visual representation. In one embodiment the system may be deployed as an art or science exhibit. In general, the system may be deployed in any setting in which individuals gather, including, but not limited to, art galleries, schools, science fairs, trade shows, music venues, dance clubs, restaurants, homes, and public spaces.