Automated Geometrical Digital Model Updates via Targeted 3D Scans
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Solution Overview
Problem
Existing reference systems lack an automated mechanism for updating digital representations of environments, requiring manual intervention and resource-intensive scans to account for changes in real-world conditions.
Innovation Solution
A system utilizing a change-detection device with a camera and processors to capture images, detect changes, and initiate resource-intensive scans only when necessary, updating digital representations by replacing corresponding digital data with detailed scans.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual intervention and resource-intensive scans are used to update digital representations, then measurement precision is maintained, but productivity decreases and time is wasted
Solution Approach 1:
The patent uses photogrammetry to create a digital copy of the environment from multiple images. This digital model serves as a reference for automated change detection, eliminating the need for manual visual inspection and enabling automatic comparison between current and previous states of the environment.
Solution Approach 2:
The patent replaces manual mechanical scanning processes with automated image-based detection systems. Instead of requiring physical movement of scan devices throughout the environment, the system uses stationary or mobile cameras to capture images that are automatically processed to detect changes, substituting mechanical scanning with optical imaging and digital processing.
2Measurement precision
If resource-intensive scans are performed frequently, then digital representation accuracy is maintained, but energy consumption and time increase
Solution Approach 1:
The patent performs preliminary automated change detection using photogrammetry and image processing before initiating resource-intensive 3D scanning. The system first compares current images with historical data to identify potential changes, then triggers full scanning only when changes are detected, avoiding unnecessary resource consumption.
Solution Approach 2:
The patent applies partial scanning only to areas where changes are detected through automated detection. Instead of performing complete environmental scans routinely, the system targets only specific regions of interest that have changed, reducing overall energy consumption while maintaining accuracy where needed.
3Productivity
If automated change detection is implemented, then productivity improves, but device complexity increases
Solution Approach 1:
The patent segments the update process into distinct stages: automated photogrammetry-based change detection, manual verification (optional), and targeted 3D scanning. This segmentation allows each component to perform its specific function independently, making the overall system more manageable and easier to implement despite the automation.
Solution Approach 2:
The patent introduces an intermediary digital model generated from photogrammetry that mediates between the physical environment and the final 3D scan data. This intermediate representation enables automated comparison and change detection without requiring direct complex processing of all raw scan data, simplifying the overall system architecture.
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
Facilitates automated and efficient updating of digital representations by minimizing unnecessary scans, leveraging markers and image analysis to detect significant changes and trigger targeted, resource-intensive scans.
Implementation Method 1
capturing an image of a portion of the environment using the change-detection device
Implementation Method 2
A TOF laser scanner is a scanner in which the distance to a target point is determined based on the speed of light in air between the scanner and a target point
Implementation Method 3
transmitting a beam of light onto the objects and collecting the reflected or scattered light to determine the distance
Data Source
AI summary
A method for updating a digital representation of an environment includes capturing an image of a portion of the environment using a change-detection device. Further, a corresponding digital data is determined that represents the portion in the digital representation of the environment. A change in the portion is detected by comparing the image with the corresponding digital data. In response to the change being above a predetermined threshold, the method includes initiating a resource-intensive scan of the portion using a scanning device, and updating the digital representation of the environment by replacing the corresponding digital data representing the portion with the resource-intensive scan.