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Ear / Oreille

Ear recognition uses mainly two features:

  • The shape of the ear: ear geometry
  • The canal of the ear which returns a specific echo
  • Deux caractéristiques de l'oreille sont exploitées pour l'identification:

  • La forme du pavillon de l'oreille: géométrie de l'oreille
  • Le tuyau de l'oreille a un écho spécifique

  • A good starting paper on this subject:
    Un bon article pour commencer sur ce sujet:

  • Ear biometrics Hanna-Kaisa Lammi from Lappeenranta University of Technology,
  • As well as FearID, a european project on this subject.

  • Ear geometry

    Ear geometry recognition uses the shape of the ear to perform identification
    La reconnaissance par la géométrie de l'oreille utilise la forme du pavillon de l'oreille pour l'identication
    Mesures du système Iannarelli
    Image infra-rouge d'une oreille

    An infrared image can be used to eliminate hair:
    Une image infrarouge peut être utilisée pour éliminer les cheveux:

    Here is a paper about ear shape recognition using a specific method:
    Reconnaissance de l'oreille par champ de force

  • Automatic ear recognition by force field transformation Hurley & als (University of Southampton)
  • (2004) The University of Notre Dame has collected a database, with the university of South Florida are studying this biometrics.
  • (2005) ICP-Based Approaches for 3D Ear Recognition Yan, Bowyer, Chang (Univ. of Notre-Dame)

  • Earprint in forensics. Contains also some links.
    Empreinte de l'oreille en médecine légale, contient quelques liens.

  • Ear identification research
  • Ear identification based on surveillance camera's images
  • Biométrie auriculaire La signature de la nature est indélébile (Kris Depovere)

  • Ear canal feedback / Echo du tuyau de l'oreille

    The acoustic response of the ear canal depends on its geometry.
    La réponse acoustique du canal de l'oreille dépend de sa géométrie.

    Beginning of 2003, Dr. Andrew Brown from the university of Southampton has proposed to identify persons using the ear canal echo.
    Début 2003, le Dr. Andrew Brown de l'université de Southampton a proposé d'identifier les gens grâce à l'écho du canal de l'oreille.

  • (2004) Using Otoacoustic Emissions as a Biometric
    Matthew A. Swabey, Stephen P. Beeby, Andrew D. Brown, John E. Chad
  • Otoacoustic emissions provide individual identities (dead link)
  • University of Southampton, ISIS but the link to ear is broken
  • (2004) Philips (Mr Tuyls) is also working on that subject. No website.
  • (2012) Transient Otoacoustic Emissions for biometric recognition
    Jiexin Gao ; Agrafioti, F. ; Siyuan Wang ; Hatzinakos, D. (Edward S. Rogers Sr. Dept. of Electr. & Comput. Eng., Univ. of Toronto)

  • Commercial products:

    The Optophone was a camera looking like a telephone to capture an image of the ear. It was manufactured by Arts Techniques, a french company. No more information available.
    L'Optophone était une caméra qui ressemblait à un téléphone pour prendre une photo de l'oreille, fabriqué par Arts Techniques, une compagnie française. Aucune autre information n'est disponible.

    Descartes Biometrics

  • (2014) The Descartes Biometrics introduces ERGO, a ear recognition application to unlock your phone. Likely using the capacitive sensor of the screen.
    Helix is using the camera, so the image.

  • Yahoo

  • (2015 Apr) In a project presented at the 2015 Computer-Human Interaction Conference (CHI) in Seoul, Yahoo showed that other body parts can unlock phones in a fast, secure manner.

  • Biometrics visitors