3D Body Geometry Scanning for Identification Accuracy
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Solution Overview
Problem
Existing face recognition systems struggle to accurately identify individuals when they are wearing headgear, face veils, or have long hair that covers parts of their face or ears, as they rely solely on visible facial features and do not utilize body size or skull shape for identification.
Innovation Solution
A method and system that uses electromagnetic radiation in the mm or cm range to create a three-dimensional image of the body, extracting biometric features such as body size, skull shape, and facial features, which are not affected by clothing or hairstyle, and compares them with stored features for identification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If visible facial features are used for identification, then the identification process is simple, but identification accuracy deteriorates when facial features are covered by headgear, veils, or hair
Solution Approach 1:
The patent transitions from two-dimensional visible facial feature recognition to three-dimensional body geometry scanning using electromagnetic radiation in the mm/cm range. This dimensional change enables capture of body size, skull shape, and facial structure that are not affected by surface coverings like headgear, veils, or hair, thereby maintaining identification accuracy while expanding the feature set beyond what is visible to the human eye.
2Reliability
If only facial features are scanned, then the scanning process is quick, but identification reliability deteriorates when facial features are obstructed
Solution Approach 1:
The scanning system is designed to capture multiple types of biometric data simultaneously - body size, skull shape, and facial features - using a single electromagnetic radiation scanning process. This multi-functional approach ensures that at least some identifiable features are always available regardless of what facial features may be covered, maintaining identification reliability without requiring multiple separate scanning procedures.
3Measurement precision
If electromagnetic radiation scanning is used to capture body geometries, then identification accuracy improves, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical measurement systems with electromagnetic radiation scanning. Instead of using physical probes, calipers, or multiple cameras to measure body geometries, the system uses electromagnetic waves in the mm/cm range to non-contactly capture three-dimensional body shapes, skull structures, and facial features with high precision, thereby reducing mechanical complexity while maintaining measurement accuracy.
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
Enables precise and quick identification, even with obstructed facial features, providing a non-contact method that enhances recognition accuracy and includes additional non-biometric features for plausibility comparisons, allowing access to secure areas.
Implementation Method 1
a scanning unit (2), which scans a person (3) to be identified with electromagnetic radiation which has a wavelength in the mm range and/or cm range
Data Source
Figure 1
Figure 2
AI summary
Person identification system (1) which has a scanning unit (2)which uses electromagnetic radiation to scan a person (3) who is to be identified. The electromagnetic radiation has a wavelength in the mm range and/or cm range. The scanning unit (2) produces a three-dimensional image of body geometries for the person (3) to be identified as measurement data in a memory unit (12). The person identification system (1) also has a processing unit (14) which conditions the measurement data and extracts the biometric features which are required for identification and compares them with biometric features which are stored in at least one further memory unit.