A method identifying apertures of ear impressions is disclosed. A plurality of contour lines associated with an ear impression are determined and a difference value between a value of a characteristic, such as the diameter, of each contour line and that characteristic of an adjacent contour line is determined....http://www.google.es/patents/US7979244?utm_source=gb-gplus-sharePatente US7979244 - Method and apparatus for aperture detection of 3D hearing aid shells
Method and apparatus for aperture detection of 3D hearing aid shells
