The system is of the type for use by a person and including a handpiece and an imaging device, the handpiece containing a breath alcohol tester and the imaging device being adapted to capture an image including the handpiece when a breath sample is delivered to the handpiece. The improvement includes a sensor arrangement and a computing functionality. The sensor arrangement is adapted to provide information from which an orientation and position of the handpiece can be calculated. The computing functionality is adapted to: generate a calculated orientation and position of the handpiece; and if a face appears in the image, precisely locate the features thereof. The features of the face are located using the calculated orientation and position of the handpiece.


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    Titel :

    Breath alcohol ignition interlock system


    Beteiligte:

    Erscheinungsdatum :

    2018-02-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G06K Erkennen von Daten , RECOGNITION OF DATA / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL



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    Solid-State Breath Alcohol Vehicle Interlock System

    Jo, E. / Jindal, G. R. / Brown, V. R. | SAE Technical Papers | 1973


    Accuracy of Breath Alcohol Detector for Alcohol Interlock System

    ATSUMI, B. / IKEDA, M. / SASAKI, S. et al. | British Library Conference Proceedings | 2008


    Riverland Alcohol Ignition Interlock Trial

    C. G. M. Coxon / R. W. Earl | NTIS | 1998