3D Shape Measurement Device Region Calculation Guidance
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Solution Overview
Problem
Existing three-dimensional shape measurement systems struggle to easily determine unmeasured regions during the measurement process, as users find it difficult to determine how to move the imaging unit to capture missing areas when integrated imaging and display units are used.
Innovation Solution
A three-dimensional shape measurement apparatus that includes an imaging unit, a memory unit, a three-dimensional shape model generation unit, a region calculation unit, and a display image generation unit, which calculates and displays measurement-completed, excluded, and unmeasured regions, providing guidance on the optimal moving direction for the imaging unit to cover unmeasured areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If integrated imaging and display units are used, then device portability and ease of operation are improved, but the ability to easily determine unmeasured regions deteriorates
Solution Approach 1:
The invention overlays measurement status information (completion/uncompletion) as a visual layer on top of the captured image, transforming 2D image data into 3D spatial understanding. The display unit shows the captured image with superimposed indicators showing which regions are measured and which are not, enabling users to intuitively grasp unmeasured areas without adding physical complexity to the device.
Solution Approach 2:
The display unit acts as an intermediary between the imaging unit and the user. It processes the raw captured image and measurement status data, then presents processed visual information that highlights unmeasured regions. This intermediary layer translates complex measurement status into intuitive visual cues, solving the problem of determining where to move the imaging unit next.
2Loss of information
If region calculation and display image generation are added, then measurement completeness visualization is improved, but device complexity increases
Solution Approach 1:
The invention merges the display unit's existing function with the new region calculation function. The display unit continues to show captured images while simultaneously overlaying measurement status information. The region calculation unit and display image generation unit work together as an integrated system, combining multiple functions into unified processing steps rather than separate complex subsystems.
Solution Approach 2:
The display unit performs multiple functions: displaying captured images, showing measurement status, and guiding users to unmeasured regions. The region calculation unit serves universal purposes by calculating not only unmeasured regions but also supporting various display formats and measurement scenarios. This multi-functionality reduces the need for dedicated separate components.
Data Source
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AI summary
A three-dimensional shape measurement apparatus is provided with an imaging unit that successively outputs captured predetermined two-dimensional images; a memory unit that stores the two-dimensional images outputted by the imaging unit; a three-dimensional shape model generation unit that generates three-dimensional shape model, based on the predetermined two-dimensional images and stores the generated three-dimensional shape model in the memory unit; a region calculation unit that calculates, based on the two-dimensional images and the three-dimensional shape model stored in the memory unit, a measurement-completed region in the two-dimensional images; and a display image generation unit that generates, based on the measurement-completed region, a display image from the two-dimensional images.