Context-Aware Projection Surface Selection
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Solution Overview
Problem
Existing methods for projecting content on surfaces are limited by small screens, cumbersome interaction mechanisms, and inability to account for user context and environment, making them unsuitable for collaborative activities and holistic context awareness.
Innovation Solution
A context-aware projection system that automatically selects the best surfaces for projection and touch input based on user tasks, situational context, and environmental conditions, using sensors and machine learning to optimize surface selection and user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If existing projection methods are used on personal devices, then portability is maintained, but screen size and interaction capability are limited
Solution Approach 1:
The system separates the projection display function from personal devices by using independent projection units that can project onto various surfaces in the environment, allowing large-scale display without requiring large personal devices
Solution Approach 2:
The patent introduces surface mapping logic and context-aware systems as intermediaries between content sources and projection surfaces, enabling intelligent surface selection and optimization without requiring complex user intervention or device modification
2Ease of operation
If existing interaction mechanisms are used, then device compatibility is maintained, but interaction ease and collaborative capability are reduced
Solution Approach 1:
The system enables multiple interaction modalities including touch input on projected surfaces, gesture recognition, and multi-user collaboration capabilities, allowing a single projection system to serve diverse interaction needs and collaborative scenarios
Solution Approach 2:
The patent implements dynamic surface mapping that adapts to user context, environment, and content type in real-time, allowing the system to optimize interaction surfaces and methods based on current usage scenarios rather than using fixed interaction mechanisms
3Reliability
If traditional projection systems are used, then system simplicity is maintained, but context awareness and surface optimization are lost
Solution Approach 1:
The system incorporates sensors, cameras, and environmental detectors that continuously monitor lighting conditions, surface properties, and user presence, feeding this information back to the surface mapping logic to dynamically optimize projection parameters and surface selection
Solution Approach 2:
The context-aware projection system automatically detects and selects optimal projection surfaces and adjusts projection parameters without requiring manual user configuration, making the system self-optimizing while maintaining simple user interaction
Data Source
AI summary
In some embodiments, the disclosed subject matter involves a system for mapping projection of content to surfaces in an environment. Groups of users in the environment are identified and surfaces in the environment are selected/assigned for projection and/or touch input based on user preferences, ranking of surfaces for projectability or touchability, content to be displayed, proximity of user groups to one another and surfaces, and user feedback and control. Other embodiments are described and claimed.