Alcohol Measuring Device Activation Using User Image Verification
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Solution Overview
Problem
Existing drug measuring devices, particularly alcohol measuring devices, are vulnerable to manipulation during use, especially in remote alcohol monitoring scenarios, as they lack effective mechanisms to ensure that the samples are provided by the authorized user.
Innovation Solution
The implementation of an activation process and device that utilizes a data-processing activation device with access to an activation data bank, which includes a reference image set for the user. This process involves an activation phase where images are generated and compared to ensure the user's identity and authorization before releasing the drug measuring device for use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a drug measuring device is used for remote alcohol monitoring, then the ability to monitor users from a distance is improved, but the vulnerability to manipulation by unauthorized persons increases
Solution Approach 1:
The system performs preliminary actions by capturing and storing reference images of the authorized user before the actual measurement takes place. During the measurement phase, newly captured images are compared against these pre-stored reference images to verify that the person providing the breath sample is indeed the authorized user. This preliminary establishment of biometric reference data prevents unauthorized manipulation while enabling remote monitoring.
2Reliability
If image comparison is performed to verify user identity, then the resistance to manipulation is improved, but the device complexity increases
Solution Approach 1:
The system creates and stores digital copies (reference images) of the authorized user's appearance during an activation phase. These copied images are then used for comparison during subsequent measurement phases to verify user identity. This copying approach enables reliable verification without requiring complex real-time analysis, as the system simply compares newly captured images against the stored reference copies.
3Reliability
If an activation phase with image capture and comparison is implemented, then the security against unauthorized use is improved, but the time required before the device can be used increases
Solution Approach 1:
The activation phase with image capture and comparison is performed as a preliminary action during device setup. Once the reference images are captured and stored, the system is ready for immediate use in the measurement phase. The time investment in the activation phase occurs only once, enabling rapid subsequent measurements without repeated lengthy verification processes.
Data Source
AI summary
A process and an activation device (30) provides a user (B) activation of a drug measuring device (100). This drug measuring device includes an input unit (3), a testing unit (6) for testing given samples and an image recording device (12). The activation device (30) receives an activation image set (InB), which was generated by the drug measuring device or by a drug measuring device and at least one image (40, 40.1) from the image recording device. The received activation image set is checked as to meeting a predefined release criterion. For this the activation image set is compared with a predefined reference image set (35) for the user. If the release criterion is met, the drug measuring device is released for the user. An activation data set (32) for the user is completed by at least one image of the activation image set, which shows the user.