EP2059068B1 - Procédé de représentation tridimensionnelle d'un dispositif auditif sur une tête et dispositif graphique correspondant - Google Patents

Procédé de représentation tridimensionnelle d'un dispositif auditif sur une tête et dispositif graphique correspondant Download PDF

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Publication number
EP2059068B1
EP2059068B1 EP08164382A EP08164382A EP2059068B1 EP 2059068 B1 EP2059068 B1 EP 2059068B1 EP 08164382 A EP08164382 A EP 08164382A EP 08164382 A EP08164382 A EP 08164382A EP 2059068 B1 EP2059068 B1 EP 2059068B1
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EP
European Patent Office
Prior art keywords
head
virtual
hearing
user
hearing apparatus
Prior art date
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Active
Application number
EP08164382A
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German (de)
English (en)
Other versions
EP2059068A1 (fr
Inventor
Andreas Kiepfer
Wee Haw Koo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sivantos Pte Ltd
Original Assignee
Siemens Medical Instruments Pte Ltd
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Application filed by Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2059068A1 publication Critical patent/EP2059068A1/fr
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65Housing parts, e.g. shells, tips or moulds, or their manufacture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/77Design aspects, e.g. CAD, of hearing aid tips, moulds or housings

Definitions

  • the present invention relates to a method for displaying a hearing device on a user's head. Moreover, the present invention relates to a corresponding graphics device for displaying a hearing device.
  • hearing device is understood to mean here any sound-emitting device which can be worn on or in the ear, in particular a hearing device, a headset, headphones and the like.
  • Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • different types of hearing aids such as behind-the-ear hearing aids (BTE), hearing aid with external receiver (RIC: receiver in the canal) and in-the-ear hearing aids (IDO), e.g. Concha hearing aids or canal hearing aids (ITE, CIC).
  • BTE behind-the-ear hearing aids
  • RIC hearing aid with external receiver
  • IDO in-the-ear hearing aids
  • ITE canal hearing aids
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.
  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
  • the output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 shown using the example of a behind-the-ear hearing aid. In a hearing aid housing 1 for Carrying behind the ear, one or more microphones 2 are installed for recording the sound from the environment.
  • a signal processing unit 3 which is also integrated in the hearing aid housing 1, processes the microphone signals and amplifies them.
  • the output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
  • the sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier.
  • the power supply of the hearing device and in particular of the signal processing unit 3 is carried out by a likewise integrated into the hearing aid housing 1 battery. 5
  • US 2003/0123026 A1 an adjustment system for spectacles.
  • a photograph is taken by the user.
  • a 3D model of the user's face is created.
  • a 3D representation of a pair of glasses is fitted into the 3D model of the face, and the result is displayed graphically.
  • US 2004/0165740 A1 and US 2005/0088435 A1 also disclose systems for creating 3D images of an ear canal and manufacturing processes for making earmolds from these 3D images.
  • the object of the present invention is thus to assist a potential user of a hearing device in the selection of a device with regard to aesthetic aspects.
  • this object is achieved by a method according to claim 1.
  • the invention provides a graphics device according to claim 4.
  • the hearing impaired a new hearing aid can be presented during the sales call optically.
  • the method according to the invention or the graphic device according to the invention it is possible to show the user a picture or a mirror image of him including a new hearing aid or to give it to the hand, because the acoustician will certainly the device specifically suitable not available as a demonstration device.
  • the virtual head is obtained from digital data of a standard header and at least one digital photograph of the user's head or part thereof.
  • the standard head can be selected from several standard heads.
  • the virtual head is now generated with the aid of a skeleton animation from the standard header.
  • This skeleton animation contributes significantly to the reduction of the computational effort.
  • the design of the virtual head determines with the aid of an image recognition the shape and / or the position of a given location of the photograph.
  • the chin and cheekbones can be detected automatically and the standard head can be automatically changed according to the photograph.
  • the virtual hearing device will be provided from a database with several such hearing devices. This can be done without any computational effort, a preselection or a final choice of the hearing.
  • the corresponding virtual hearing device is obtained by scanning the auditory canal of the user with subsequent 3D model formation.
  • an impression can be gained as to how far the hearing device can be inserted into the auditory canal.
  • FIG. 2 a situation is illustrated where a hearing impaired 10 visits an acoustician 11 to have a hearing aid fitted.
  • the acoustician 11 creates a virtual 3D image from the head of the hearing impaired 10.
  • the acoustician needs at least three 2D shots or photographs of the head.
  • the recordings commercial webcams or even digicams are sufficient.
  • To create a 3D model of the head is conveniently used a database of standard heads, from which then a lifelike image of the head of the hearing impaired 10 can be generated. It is then only necessary to select the most suitable standard head and to modify the striking parts of the head according to the photographs.
  • the head For this purpose, for example, serve an image recognition, which recognizes in the photos the ears, eyes, eyebrows, lips, nose or cheekbones. Based on this recognition, the corresponding sections of the standard head can then be changed in shape and position.
  • the known skeletal animation technology is used, because changes can be made with less computational effort on the basis of simple skeleton or skeleton representations. Based on this, the final 3D model of the head can then be synthesized, which is also possible with well-known technologies (morphing).
  • a 3D model of the hearing device to be used is available, for example, in the form of CAD data in a database. Furthermore, scan data of the user's ear canal serve as the basis for the respective 3D model.
  • FIG. 3 a section of the image 13 is shown enlarged. It thus shows not only the virtual head 14 ', but also the virtual hearing aid 15'. Both, both the head 14 'and the hearing aid 15' are present as a three-dimensional data set, so that the image 13 can be rotated accordingly. Thus, the hearing impaired 10 can view his head 14 'with the attached hearing aid 15' virtually from different perspectives. It is easily possible to change and present the type, the color and the size of the virtual hearing device 15.
  • the 4 to 7 show a somewhat simplified embodiment of the present invention. According to this embodiment, only an ear portion 16 of the hearing impaired 10 is photographed for forming the 3D model of a part of the head. As used herein, this header is also referred to as a "virtual head". In order to obtain the image, for example, a webcam or video camera 17 is installed on the screen 18 of a PC, which serves as an adapter.
  • FIG. 5 now shows an image that can be displayed on the screen 18 using a fitting software (FSW: Fitting Software).
  • FSW Fitting Software
  • an image section 19 is a 3D video as a virtual head section 16 'with a virtual hearing aid 20 'shown. It can also be seen there how the virtual receiver tube 21 'of the virtual BTE hearing device 20' is guided around the virtual auricle 22 'and opens into a virtual earmold 23' in the center of the virtual auricle 22 '.
  • FIG. 5 the virtual head section 16 'is shown from the side. But it can also according to FIG. 6 a sight of the virtual ear portion 16 'are presented from the front. Likewise, according to FIG. 7 represent how the hearing aid 20 'looks in the worn state from behind.
  • the virtual representations can either be as single shots as in the FIGS. 5 to 7 or presented as part of a moving video film. It is - as mentioned - possible to change the model or the color of the hearing aid shown. In particular, thus also BTE, ITE or CIC hearing aids can be presented virtually. Based on these three-dimensional representations, the hearing-impaired person can then better decide which type of hearing aid or which color he chooses. This increases the satisfaction when wearing the hearing aid, at least in terms of appearance.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Processing Or Creating Images (AREA)

Claims (4)

  1. Procédé de représentation d'une prothèse auditive sur la tête d'un utilisateur ( 10 ) au moyen d'un dispositif graphique, comprenant les stades dans lesquels :
    - on prépare un modèle en 3D de la prothèse auditive en tant que prothèse ( 15, 20' ) auditive virtuelle,
    - on obtient un modèle en 3D de la tête de l'utilisateur ( 10 ) ou d'une partie de celle-ci en tant que tête ( 14', 16' ) virtuelle,
    - on met la prothèse ( 15', 20' ) auditive virtuelle au point sur la tête ( 16 ) virtuelle au moyen d'un dispositif informatique, et
    - on représente graphiquement la tête ( 14', 16' ) virtuelle avec la prothèse ( 15', 20' ) auditive virtuelle adaptée sur un dispositif ( 18 ) graphique, dans lequel on prépare la prothèse auditive virtuelle à partir d'une base de données ayant plusieurs prothèses auditives de ce genre et on l'obtient par balayage du conduit auditif de l'utilisateur ( 10 ) avec formation ensuite d'un modèle en 3D, dans lequel on obtient la tête ( 14', 16' ) virtuelle à partir de données numériques d'une tête normalisée et d'au moins une photographie numérique de la tête de l'utilisateur ( 10 ) ou d'une partie de celle-ci, dans lequel on produit la tête ( 14', 16' ) virtuelle à l'aide d'une animation de squelette par modification de la forme et de la position de parties correspondantes de la tête normalisée.
  2. Procédé suivant la revendication 1, dans lequel on choisit la tête normalisée parmi plusieurs têtes normalisées.
  3. Procédé suivant l'une des revendications 1 ou 2, dans lequel à l'aide d'une reconnaissance d'image on détermine la forme et/ou la position d'un point prescrit de la photographie et on en tire parti pour une conformation de la tête ( 14', 16' ) virtuelle.
  4. Dispositif graphique de représentation d'une prothèse auditive sur la tête d'un utilisateur ( 10 ), qui est conçu pour effectuer un procédé suivant l'une des revendications précédentes et qui comprend
    - un dispositif de mémoire pour préparer un modèle en 3D de la prothèse auditive en tant que prothèse ( 15', 20' ) auditif virtuel,
    - un dispositif ( 17 ) optique pour obtenir un modèle en 3D de la tête de l'utilisateur ( 10 ) ou d'une partie de celle-ci en tant que tête ( 14', 16' ) virtuelle,
    - un dispositif informatique pour mettre la prothèse ( 15', 20' ) auditif virtuelle au point sur la tête ( 14', 16' ) virtuelle, et
    - un dispositif ( 18 ) graphique pour représenter graphiquement la tête ( 14', 16' ) virtuelle avec la prothèse ( 15', 20' ) auditive virtuelle adaptée,
    - dans lequel le dispositif ( 17 ) optique est conçu pour élaborer une photographie numérique de la tête de l'utilisateur ( 10 ) ou de la partie de celle-ci de manière à ce que la tête ( 14', 16' ) virtuelle puisse être élaborée à partir de données numériques d'une tête normalisée et de la photographie numérique,
    dans lequel le dispositif ( 17 ) optique comporte un scanner par lequel des données en trois dimensions du conduit auditif de l'utilisateur ( 10 ) peuvent être préparées pour la formation de la prothèse ( 15', 20' ) auditive virtuelle.
EP08164382A 2007-11-12 2008-09-16 Procédé de représentation tridimensionnelle d'un dispositif auditif sur une tête et dispositif graphique correspondant Active EP2059068B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007053832A DE102007053832A1 (de) 2007-11-12 2007-11-12 Verfahren zur dreidimensionalen Darstellung einer Hörvorrichtung an einem Kopf und entsprechende Grafikvorrichtung

Publications (2)

Publication Number Publication Date
EP2059068A1 EP2059068A1 (fr) 2009-05-13
EP2059068B1 true EP2059068B1 (fr) 2012-08-08

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EP08164382A Active EP2059068B1 (fr) 2007-11-12 2008-09-16 Procédé de représentation tridimensionnelle d'un dispositif auditif sur une tête et dispositif graphique correspondant

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US (1) US8249261B2 (fr)
EP (1) EP2059068B1 (fr)
DE (1) DE102007053832A1 (fr)
DK (1) DK2059068T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH711767A2 (de) 2017-02-23 2017-05-15 Sonova Ag Verfahren zur Beschallung von schwerhörigen Kunden bei einer Verkaufs-, Beratungs- und/oder Amtsstelle sowie System zur Durchführung des Verfahrens.
US11166115B2 (en) 2018-10-18 2021-11-02 Gn Hearing A/S Device and method for hearing device customization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH677570A5 (fr) * 1989-05-17 1991-05-31 Ascom Audiosys Ag
NL1007397C2 (nl) 1997-10-30 1999-05-12 V O F Headscanning Werkwijze en inrichting voor het met een gewijzigd uiterlijk weergeven van tenminste een deel van het menselijk lichaam.
AU6056301A (en) * 2000-05-18 2001-11-26 Visionix Ltd. Spectacles fitting system and fitting methods useful therein
US6700586B1 (en) * 2000-08-23 2004-03-02 Nintendo Co., Ltd. Low cost graphics with stitching processing hardware support for skeletal animation
EP1246506A1 (fr) * 2001-03-26 2002-10-02 Widex A/S Système CAD-CAM pour préparer une prothèse auditive
US7084870B2 (en) * 2002-12-19 2006-08-01 Siemens Corporate Research, Inc. Interactive binaural shell modeling for hearing aids
US20050088435A1 (en) * 2003-10-23 2005-04-28 Z. Jason Geng Novel 3D ear camera for making custom-fit hearing devices for hearing aids instruments and cell phones
JP2007108254A (ja) * 2005-10-11 2007-04-26 Towa Kogyo:Kk 補聴器付眼鏡およびその調整方法
CA2740212A1 (fr) * 2008-10-10 2010-04-15 Widex A/S Procede servant a fabriquer un appareil auditif possedant un composant elastique ajuste de facon personnalisee et appareil auditif ainsi obtenu

Also Published As

Publication number Publication date
US8249261B2 (en) 2012-08-21
DK2059068T3 (da) 2012-12-10
DE102007053832A1 (de) 2009-05-14
EP2059068A1 (fr) 2009-05-13
US20090123001A1 (en) 2009-05-14

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