AR Survey Assistance System for Reducing Worker Burden
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Solution Overview
Problem
Performing surveying work while confirming a process chart and a drawing at a survey site is burdensome, especially for inexperienced workers when selecting and installing surveying instruments.
Innovation Solution
A survey assistance system that uses an eyewear display device to superimpose a work assistance image on a site landscape, including instrument installation points and images of surveying instruments, to guide workers in the surveying process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If workers confirm process charts and drawings at the survey site, then surveying work can be performed according to plan, but the workload and burden increase significantly
Solution Approach 1:
The patent creates a virtual copy of the survey site environment using 3D laser scanning and point cloud data. This digital replica allows workers to view surveying instructions, instrument positions, and measurement routes overlaid on the actual site through augmented reality eyewear, eliminating the need to physically refer to separate process charts and drawings while maintaining accurate surveying guidance
Solution Approach 2:
The patent transitions from two-dimensional paper-based process charts and drawings to three-dimensional augmented reality display. By projecting surveying information in 3D space through eyewear, the system provides spatially-accurate guidance that matches the worker's actual position and viewing angle, making the information more intuitive and reducing cognitive load
2Productivity
If inexperienced workers select and install surveying instruments, then surveying tasks can be completed, but errors and mistakes increase due to lack of experience
Solution Approach 1:
The patent implements real-time visual feedback by displaying the current instrument installation status, measurement route progress, and next required actions directly in the worker's field of view. This continuous feedback loop guides inexperienced workers through the surveying process step-by-step, confirming correct instrument placement and measurement sequence execution without requiring prior expertise
Solution Approach 2:
The patent introduces an intermediary digital guidance system that mediates between the surveying instructions and the worker's actions. The augmented reality display acts as an intelligent mediator that translates complex surveying procedures into simple visual cues and real-time guidance, enabling inexperienced workers to perform tasks accurately without direct supervision
3Measurement precision
If 3D CAD design data is managed in absolute coordinate system, then precise position information is maintained, but integration with eyewear display device coordinate system becomes complex
Solution Approach 1:
The patent performs preliminary coordinate transformation by establishing a common reference frame before the surveying work begins. The system pre-calculates the relationship between the absolute coordinate system of the 3D CAD data and the eyewear display device's local coordinate system, creating a bridge that automatically converts positions during operation without complex real-time calculations
Data Source
AI summary
Provided is a survey assistance system including a measuring instrument; an eyewear display device including a display; and at least one processor configured to synchronize a coordinate space of the eyewear display device, a coordinate space of the measuring instrument, and a coordinate space of an absolute coordinate system and displays an image in the absolute coordinate system created by the processor on the display with superimposing the image on a site landscape. The processor is configured to read out survey process data, create a work assistance image based on the survey process data, and enable observation of the work assistance image including the instrument installation points and images of the surveying instrument to be used showing installed states at the instrument installation points by superimposing the work assistance image on the site landscape.