Photogrammetric 3D Body Morphometry System
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Solution Overview
Problem
Current methods for analyzing body morphometry, particularly in newborns, are invasive, costly, and lack precision, especially when dealing with cranial deformations.
Innovation Solution
A photogrammetric system using a pattern-coded mesh and coded targets, integrated with a smartphone, to capture images and generate accurate 3D metric models of the body surface without the need for invasive procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If radiological tests (CAT, NMR) are used to analyze cranial deformation, then measurement precision and 3D model detail are improved, but device complexity, cost, and invasiveness worsen
Solution Approach 1:
The patent creates a 3D digital copy of the cranial surface using photogrammetry techniques. Multiple 2D images are processed to generate an accurate 3D model that replicates the physical cranial geometry, allowing precise measurement without requiring complex radiological equipment. This copying approach achieves comparable measurement precision to CAT/NMR while using simpler, non-invasive imaging devices.
Solution Approach 2:
The patent replaces mechanical/radiological measurement systems with an optical-based photogrammetric system. Instead of using X-rays or magnetic resonance fields, the system uses standard cameras to capture images and computational algorithms to reconstruct 3D geometry. This substitution eliminates the need for expensive, complex radiological equipment while maintaining measurement accuracy.
2Measurement precision
If radiological tests are used for detailed analysis, then measurement precision is improved, but ease of operation and patient comfort worsen due to sedation requirements
Solution Approach 1:
The system creates accurate 3D digital copies of the cranial surface using non-invasive photogrammetry. This allows detailed measurement and analysis without requiring patients to undergo sedation or exposure to radiation, making the procedure comfortable and safe for newborns and infants who cannot remain still for radiological tests.
3Device complexity
If traditional 2D measurement methods are used, then device complexity and cost are reduced, but measurement precision and 3D model accuracy worsen
Solution Approach 1:
The patent transitions from 2D image capture to 3D model generation through photogrammetric reconstruction. Standard 2D camera images are processed using computational algorithms to create accurate three-dimensional representations of the cranial surface. This dimensional transformation enables precise 3D measurements while using simple, inexpensive 2D camera equipment.
Solution Approach 2:
The system creates accurate 3D digital copies from 2D images through photogrammetry. Multiple 2D photographs are processed to reconstruct the three-dimensional geometry of the cranial surface, preserving measurement precision while using simple imaging devices rather than complex 3D scanners.
4Measurement precision
If existing 3D scanning solutions are used, then 3D model accuracy is improved, but device complexity and cost worsen
Solution Approach 1:
The patent creates accurate 3D digital copies using standard camera equipment and photogrammetric algorithms. This approach achieves high 3D model accuracy without requiring specialized 3D scanning hardware, as the system processes multiple 2D images to reconstruct precise three-dimensional geometry through computational methods.
Solution Approach 2:
The system replaces complex mechanical 3D scanning systems with an optical photogrammetric approach. Instead of using specialized 3D scanners with multiple sensors and complex mechanics, the patent uses standard cameras and image processing algorithms to achieve accurate 3D reconstruction, significantly reducing device complexity.
5Ease of operation
If conventional measurement methods are used on moving patients, then ease of operation is maintained, but measurement precision and reliability worsen
Solution Approach 1:
The patent employs dynamic image capture and processing techniques that can handle patient movement. The photogrammetric system captures multiple images from different angles and uses computational algorithms to reconstruct the 3D model, accommodating natural movements of newborns and infants during the scanning process without compromising measurement reliability.
Solution Approach 2:
The system performs continuous image capture and processing during the scanning session. Rather than requiring the patient to remain perfectly still, the photogrammetric method continuously acquires images and processes them into a coherent 3D model, maintaining measurement precision even with patient movement throughout the procedure.
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
The system enables automatic, non-invasive, rapid, and low-cost 3D analysis of body morphometry, unaffected by patient movement, thus providing precise data for diagnosing and monitoring cranial deformations without the need for anesthesia.
Implementation Method 1
at least one image sensor configured to record the set of coded targets arranged in the mesh
Data Source
AI summary
The present invention relates to a system for obtaining useful data for analysis of body morphometry and associated method determining body morphometry, in newborns or non-newborns, from 3D models in an automatic, non-invasive, rapid and low-cost manner. Furthermore, the system and the method obtain the measurement and 3D modelling of the patient, newborn or non-newborn, in a conscious state, as movement has no influence thereon.