An otoscanner including an otoscanner body, the body comprising a hand grip, the body having mounted upon it an ear probe, a tracking illumination emitter, a plurality of tracking illumination sensors, and a display screen, the otoscanner body having mounted within it an image sensor; the ear probe
An otoscanner including an otoscanner body, the body comprising a hand grip, the body having mounted upon it an ear probe, a tracking illumination emitter, a plurality of tracking illumination sensors, and a display screen, the otoscanner body having mounted within it an image sensor; the ear probe comprising a wide-angle lens optically coupled to the image sensor, laser light source, a laser optical element, and a source of non-laser video illumination; the plurality of tracking illumination sensors disposed upon the otoscanner body so as to sense reflections of tracking illumination emitted from the tracking illumination emitter and reflected from tracking targets installed at positions that are fixed relative to the scanned ear; the image sensor coupled for data communications to a data processor, with the data processor configured so that it functions by constructing a 3D image of the interior of the scanned ear.
대표청구항▼
1. A hand-held otoscanner for 3D imaging comprising: a scanner body, the scanner body comprising a hand grip, the scanner body having mounted upon it a probe, a tracking illumination emitter, and a plurality of tracking illumination sensors, the scanner body having mounted within it an image sensor;
1. A hand-held otoscanner for 3D imaging comprising: a scanner body, the scanner body comprising a hand grip, the scanner body having mounted upon it a probe, a tracking illumination emitter, and a plurality of tracking illumination sensors, the scanner body having mounted within it an image sensor;the probe comprising a wide-angle lens optically coupled to the image sensor, an imaging light source, and an imaging optical element, the wide-angle lens having sufficient depth of field, the depth of field defined by planes of focus, such that all imaging light on an interior surface of a scanned object is disposed between the planes of focus and in focus at the image sensor;the plurality of tracking illumination sensors disposed upon the scanner body so as to sense reflections of tracking illumination emitted from the tracking illumination emitter and reflected from tracking targets installed at positions that are fixed relative to the scanned object; andthe image sensor coupled for data communications to a data processor, with the data processor configured so that it functions by constructing, in dependence upon a sequence of images captured when the scanned object is illuminated by imaging light and tracked positions of the probe inferred from reflections of tracking illumination sensed by the tracking illumination sensors, a 3D image of the interior of the scanned object. 2. The otoscanner of claim 1 wherein: the imaging optical element comprises a conical reflective optical element; andthe imaging light source and the conical reflective optical element are configured so that the conical reflective optical element, when illuminated by the imaging light source, projects a broken ring of imaging light upon an interior surface of the scanned object. 3. The otoscanner of claim 1 wherein: the imaging optical element comprises a diffractive optic lens; andthe imaging light source and the diffractive optic lens are configured so that the diffractive optic lens, when illuminated by the imaging light source, projects upon an interior surface of the scanned object a fan of imaging light at a predetermined angle with respect to a front surface of the diffractive optic lens. 4. The otoscanner of claim 1 wherein: the scanner further comprises a source of video illumination;the image sensor operates at a video frame rate that is twice a standard video frame rate;the imaging light source is strobed during capture by the image sensor of alternate video frames;video frames are captured by the image sensor when only the video illumination illuminates the scanned object; andimages for constructing 3D images are captured by the image sensor only when the strobed imaging light illuminates the scanned object. 5. The otoscanner of claim 1 wherein: the tracking targets comprise retroreflectors; andthe tracking illumination is provided from a tracking illumination source mounted on the scanner body. 6. The otoscanner of claim 1 wherein constructing a 3D image of the interior of a scanned object further comprises, for a sequence from the image sensor of 2D images of the object taken when the object is illuminated by a ring of imaging light from the probe: detecting ridge points for each 2D image, the detecting further comprising identifying a set of brightest pixels for each 2D image, each set depicting a c-shaped broken ring of imaging light reflecting from a surface of the scanned object;transforming, in dependence upon a predefined association between each pixel in the image sensor and corresponding points in scanner space, the ridge points to points in scanner space; andtransforming, in dependence upon a relationship between an origin of a coordinate system defining scanner space and an origin of another coordinate system defining object space, the points in scanner space to points in object space. 7. The otoscanner of claim 1 wherein: the scanner further comprises a source of video illumination; anda display screen coupled for data communications to the image sensor, the display screen displaying video images from the image sensor of the scanned object illuminated only by video illumination. 8. The otoscanner of claim 1 wherein: the scanner further comprises a display screen coupled for data communications to the image sensor and to the data processor, the display screen displaying the 3D image of the interior of the scanned object. 9. The otoscanner of claim 1 wherein constructing the 3D image further comprises constructing the 3D image in dependence upon a sequence of images captured by the image sensor as the probe is moved in the scanned object. 10. The otoscanner of claim 1 further comprising a display screen, the display screen coupled for data communications to the image sensor, the display screen displaying images of the scanned object, the display screen positioned on the scanner body in relation to the probe so that when the probe is positioned for scanning, both the display screen and the probe are visible to an operator operating the scanner.
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Forster, Frank; Holzner, Rudolf; Kunz, Martin; Rass, Uwe; Schick, Anton, Apparatus and method for recording the shape of an ear section.
Lane Timothy G. (Merritt Island FL) Weber Mark J. (Satellite Beach FL), Apparatus for use with endoscopy and fluoroscopy for automatic switching between video modes.
DiMatteo Paul L. (Huntington NY) Ross Joseph A. (Fort Salonga NY) Stern Howard K. (Greenlawn NY), Arrangement for sensing the characteristics of a surface and determining the position of points thereon.
Zhao, Wenyi; Mohr, Catherine J.; Hasser, Christopher J.; Hoffman, Brian D.; Stern, John D.; Zhao, Tao, Augmented stereoscopic visualization for a surgical robot using a captured fluorescence image and captured stereoscopic visible images.
Nafis Christopher Allen ; Kelliher Timothy Patrick ; Lorensen William Edward ; Cline Harvey Ellis ; Altobelli David Egidio ; Kikinis Ron ; Darrow Robert David ; Dumoulin Charles Lucian, Computer graphic and live video system for enhancing visualization of body structures during surgery.
Jean-Fran.cedilla.ois Le Gargasson FR; Frederic Lamarque FR; Jean-Paul Chaduc FR, Device for observation inside a body providing improved quality of observation.
Hasegawa Jun (Hino JPX) Oyama Nagaaki (Kawasaki JPX) Yamaguchi Masahiro (Tokyo JPX) Nonami Tetsuo (Tama JPX), Endoscopic image processing device for estimating three-dimensional shape of object based on detection of same point on.
Imaizumi,Katsuichi; Nakamura,Kazunari, Fluorescent endoscope system enabling simultaneous achievement of normal light observation based on reflected light and fluorescence observation based on light with wavelengths in infrared spectrum.
Imaizumi Katsuichi,JPX ; Nakamura Kazunari,JPX, Fluorescent endoscope system enabling simultaneous normal light observation and fluorescence observation in infrared spectrum.
Breytman, Alex; Krichever, Mark; Carlson, Brad; Shi, Tsi David; Yavid, Dmitriy, Image scanning device having a system for determining distance to a target.
Boulais, Dennis R.; Banik, Michael S.; Churchill, William Lucas; Grigoryants, Sergey S.; Barbato, Louis J.; Orband, Daniel G.; Maseda, Luis J.; Fantone, Stephen D., Imaging assembly with transparent distal cap.
Northeved Allan (Farum DKX) Johnsen Torsten (Copenhagen DKX), Method and apparatus for fitting of a hearing aid and associated probe with distance measuring means.
Jascob, Bradley A.; Shaver, Scott; Martens, Todd; Yared, Nadim; Boes, Kirsten; Dukesherer, John H.; Hunter, Mark W., Method and apparatus for surgical navigation.
Verard, Laurent G.; Hughes, Joel S.; Hartmann, Steven L.; Kappus, John J.; Moctezuma, Joseph; DiCorleto, Matthew F.; Jascob, Bradley A.; Clayton, John B., Method and apparatus for surgical navigation.
Moermann Werner H. (Hofstrasse 104 CH-8044 Zuerich CHX) Brandestini Marco (Gartenstrasse 10 CH-8702 Zollikon CHX), Method and apparatus for the fabrication of custom-shaped implants.
Hessel, Hans; Bleiker, Gregory; Launer, Stefan; Roth, Martin; Knobel, Bruno; Findeisen, Charles, Method and system for reconstructing the three-dimensional shape of the surface of at least a portion of an ear canal and/or of a concha.
Collier, Nick; Edwards, Roger; Jones, Ross; Pooley, David; Scott, Valerie, Method for the reconstruction of the geometry of the inner surface of a cavity.
Topholm Jan (Holte DKX) Andersen Svend V. (Espergaerde DKX) Westermann Soren E. (Hellerup DKX), Method of preparing an otoplasty or adaptive earpiece individually matched to the shape of an auditory canal.
DiMatteo Paul (Huntington NY) Rademacher Paul (Glen Head NY) Stern Howard (Greenlawn NY), Method of sensing the position and orientation of elements in space.
Wennagel Dale A. (c/o Philadelphia Electric Company ; 2301 Market St. Philadelphia PA 19101) Tulloch Michael D. (Philadelphia PA), Pulsed laser optical display device.
Paley, Eric B.; Rohaly, Janos; Boerjes, Joseph; Hart, Douglas P.; Rosenbloom, Micah J.; Weeks, Steven V., Real time display of acquired 3D dental data.
Rubbert,R체dger; Weise,Thomas; Sporbert,Peer; Imgrund,Hans; Geerdes,Hans Florian; Pfeil,Lutz; See,Peter, Scanning system and calibration method for capturing precise three-dimensional information of objects.
Dewar Robert (Troy MI) Salinger Jeremy (Southfield MI) Waldecker Thomas J. (Ypsilanti MI) Barlow Neil E. (Royal Oak MI), Sensor-illumination system for use in three-dimensional measurement of objects and assemblies of objects.
Weber,Gerhard; Mehl,Albert; Holzner,Stephan; Gloger,Wolfram, Surface mapping and generating devices and methods for surface mapping and surface generation.
Khamene, Ali; Masters, Martin W.; Sauer, Frank; Velde, Therese, System and method for reconstruction of the human ear canal from optical coherence tomography scans.
Gutkowicz-Krusin Dina ; Elbaum Marek ; Greenebaum Michael ; Jacobs Adam ; Bogdan Alexandru, Systems and methods for the multispectral imaging and characterization of skin tissue.
Hart, Douglas P.; Frigerio, Federico; Marini, Davide M., Three-dimensional imaging using a luminescent surface and a differentially attenuating medium.
Svetkoff Ronald J. (Ann Arbor MI) Rohrer Donald K. (Whitmore Lake MI) Kelley Robert W. (Ann Arbor MI), Triangulation-based 3D imaging and processing method and system.
Anast, John Matthew; Henry, Douglass Scott; Lavash, Bruce William; Macura, Matthew Joseph; Rye, II, Noble Lester; Rubin, Michael Lewis, Virtual prototyping system and method.
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