Drive-Type Projector Feedback for Drivable Region Boundary
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Solution Overview
Problem
In projection systems using drive-type projectors, there are regions where driving is not possible due to structural restrictions, making it difficult for users to determine and find suitable projection positions.
Innovation Solution
An information processing apparatus that provides feedback indicating the boundary of a drivable region, allowing users to recognize and specify projection positions by determining the state of the projection specification position relative to the drivable region, using a controller to output effects such as pointer behavior, image changes, and sound feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a drive-type projector is used to project video images onto desired places, then the projector can be driven to display images at various positions, but there are regions where driving is not possible due to structural restrictions
Solution Approach 1:
The system provides visual feedback by projecting a guide image that displays the drivable region boundary and current projection position. This feedback loop allows users to understand the drivable region limits and adjust their projection position selection accordingly, resolving the contradiction between position flexibility and driving feasibility.
Solution Approach 2:
The guide image acts as an intermediary between the user and the drive-type projector's physical constraints. By visualizing the drivable region boundary and current position, it mediates the user's understanding of where projection is possible, enabling flexible position selection within valid boundaries.
2Ease of operation
If the drivable region boundary is not indicated, then the projector can operate without additional feedback mechanisms, but users cannot recognize or determine suitable projection positions
Solution Approach 1:
The guide image uses color coding to indicate different regions: the drivable region boundary is shown in a distinct color (e.g., red or dashed line) while the current projection position is marked with another visual element. This color-based differentiation provides clear positional information without requiring complex interactive interfaces.
Solution Approach 2:
The system creates a visual copy or representation of the drivable region boundary and current position by projecting the guide image onto the same surface where the actual projection will occur. This visual copy helps users understand the spatial relationship between the boundary and valid projection areas.
3Ease of operation
If feedback is provided to indicate the drivable region boundary, then users can recognize and determine projection positions more easily, but the system requires additional processing and control mechanisms
Solution Approach 1:
The controller pre-calculates and prepares the guide image showing the drivable region boundary and current projection position before the user specifies a projection position. This preliminary visualization is updated in real-time as the user interacts with the system, providing continuous feedback without requiring complex real-time calculations during position specification.
Solution Approach 2:
The system uses the drive-type projector's own capabilities to provide feedback - the same projection mechanism that will perform the actual projection is used to display the guide image. This self-service approach eliminates the need for separate display devices or complex feedback systems, reducing overall system complexity while maintaining ease of operation.
Data Source
AI summary
[Problem] An information processing apparatus, an information processing method, and a recording medium with which a user can recognize a boundary of a drivable range by feedback for a projection specification position by the user to facilitate determination of and search for a projection position are provided. [Solution] The information processing apparatus includes a controller configured to perform processing of outputting feedback indicating an effect corresponding to a boundary of a drivable region of a drive-type projector in a projection environment space in accordance with a state of a projection specification position specified by a user for the drivable region, the state being determined based on the drivable region and the projection specification position.