Patents by Inventor Mike van der Poel
Mike van der Poel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220272317Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: ApplicationFiled: May 11, 2022Publication date: August 25, 2022Applicant: 3SHAPE A/SInventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJAER, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
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Patent number: 11368667Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: GrantFiled: November 23, 2021Date of Patent: June 21, 2022Assignee: 3SHAPE A/SInventors: Rune Fisker, Henrik Öjelund, Rasmus Kjaer, Mike Van Der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
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Publication number: 20220086418Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: ApplicationFiled: November 23, 2021Publication date: March 17, 2022Applicant: 3SHAPE A/SInventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJAER, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
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Publication number: 20220079426Abstract: A sheath for an intraoral scanning tip, where polarization is not substantially altered during scanning.Type: ApplicationFiled: September 9, 2019Publication date: March 17, 2022Applicant: 3SHAPE A/SInventors: Alexander Bruun CHRISTIANSEN, Pétur Gordon HERMANNSSON, Søren Greve JENSEN, Mike VAN DER POEL
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Patent number: 11246490Abstract: A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from said teeth, the 3D scanner system including data processing means configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.Type: GrantFiled: February 1, 2019Date of Patent: February 15, 2022Assignee: 3SHAPE A/SInventors: Mike Van Der Poel, Karl-Josef Hollenbeck
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Publication number: 20220008180Abstract: A system for measuring a depth of a periodontal pocket defined by a gap between a tooth and gingiva includes a frame, one camera, and a processor. The frame is configured to be worn by a user. The camera is configured to capture at least one 2D image of an intraoral target area. The at least one 2D image includes a representation of at least a part of the tooth, a gingiva margin defined by a section of the gingiva adjacent to the at least a part of the tooth, and a probe tip when the probe tip is inserted into the periodontal pocket. The processor is configured to receive the captured at least one 2D image and to determine an insertion length of the probe tip in the periodontal pocket. The determined insertion length represents the depth of the periodontal pocket.Type: ApplicationFiled: October 31, 2019Publication date: January 13, 2022Applicant: 3SHAPE A/SInventors: Mike VAN DER POEL, Astrid BIRCH, Michael VINTHER, Sonal Sharad PATIL, Steen Frost TOFTHØJ
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Publication number: 20210306617Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: ApplicationFiled: June 7, 2021Publication date: September 30, 2021Applicant: 3SHAPE A/SInventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJAER, Mike VAN DER POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
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Publication number: 20210264600Abstract: The present disclosure provides a computer-implemented method for correlating at least one infrared 2D-image to a 3D-representation of at least a part of a tooth displayed in a graphical user-interface, of a hand-held scanning device, on a screen, comprising the steps of: obtaining a first set of 2D-images of the at least part of the tooth; forming a 3D-representation of the at least a part of the tooth from the first set of 2D-images; displaying, in the graphical user-interface, the 3D-representation; obtaining a second set of 2D-images, wherein the second set of 2D images are infrared 2D-images acquired within the at least part of the tooth; displaying, in the user-interface, at least one of the 2D-images from the second set of 2D-images; displaying, in the user-interface, a manipulator configured to change between 2D-images in the second set of 2D-images.Type: ApplicationFiled: June 14, 2019Publication date: August 26, 2021Applicant: 3SHAPE A/SInventors: Anders Robert JELLINGGAARD, Christoph VANNAHME, Mike VAN DER POEL, Karl-Josef HOLLENBECK, Anders GAARDE, Mads Brøkner CHRISTIANSEN
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Patent number: 11076146Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: GrantFiled: March 19, 2021Date of Patent: July 27, 2021Assignee: 3Shape A/SInventors: Rune Fisker, Henrik Öjelund, Rasmus Kjær, Mike van der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
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Publication number: 20210211638Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: ApplicationFiled: March 19, 2021Publication date: July 8, 2021Applicant: 3SHAPE A/SInventors: Rune FISKER, Henrik ÖJELUND, Rasmus KJÆR, Mike van der POEL, Arish A. QAZI, Karl-Josef HOLLENBECK
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Patent number: 11051002Abstract: A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.Type: GrantFiled: January 28, 2020Date of Patent: June 29, 2021Assignee: 3Shape A/SInventors: Rune Fisker, Henrik Ôjelund, Rasmus Kjær, Mike van der Poel, Arish A. Qazi, Karl-Josef Hollenbeck
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Publication number: 20210160471Abstract: Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises: —determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images; —if a relative motion is determined, performing a motion compensation based on the determined motion; and —generating a 3D surface from the sequence of focus plane images.Type: ApplicationFiled: July 2, 2020Publication date: May 27, 2021Applicant: 3SHAPE A/SInventors: Rune Fisker, Henrik Öjelund, Mike VAN DER POEL, Kristian Evers HANSEN, Anders Gaarde
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Patent number: 11006836Abstract: A 3D scanner for recording topographic characteristics of a surface of at least part of a body orifice, where the 3D scanner includes a main body having a mounting portion; a tip which can be mounted onto and un-mounted from the mounting portion, where the tip is configured for being brought into proximity of the body orifice surface when recording the topographic characteristics such that at least one optical element of the tip is at least partly exposed to the environment in the body orifice during the recording; and a heater for heating the optical element, where the heat is provided by way of thermal conduction; where the tip can be sterilized in a steam autoclave when un-mounted from the main body of the 3D scanner such that it subsequently can be reused.Type: GrantFiled: May 16, 2016Date of Patent: May 18, 2021Assignee: 3SHAPE A/SInventors: Karl-Josef Hollenbeck, Bo Petersen, Mike Van Der Poel, Thomas Moon, Stefan Elmsted Jensen
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Publication number: 20210106229Abstract: Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.Type: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Applicant: 3SHAPE A/SInventors: Mike VAN DER POEL, Rune FISKER, Karl-Josef HOLLENBECK
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Patent number: 10905333Abstract: A 3D scanner system for detecting and/or visualizing cariogenic regions in teeth based on fluorescence emitted from said teeth, the 3D scanner system including data processing means configured for mapping a representation of fluorescence emitted from the teeth onto the corresponding portion of a digital 3D representation of the teeth to provide a combined digital 3D representation.Type: GrantFiled: February 22, 2019Date of Patent: February 2, 2021Assignee: 3SHAPE A/SInventors: Mike Van Der Poel, Karl-Josef Hollenbeck
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Patent number: 10902595Abstract: Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.Type: GrantFiled: December 5, 2016Date of Patent: January 26, 2021Assignee: 3Shape A/SInventors: Mike Van Der Poel, Rune Fisker, Karl-Josef Hollenbeck
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Publication number: 20200330197Abstract: Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning.Type: ApplicationFiled: July 6, 2020Publication date: October 22, 2020Applicant: 3SHAPE A/SInventors: Bo ESBECH, Christian Romer ROSBERG, Mike VAN DER POEL, Rasmus KJAER, Michael VINTHER, Karl-Josef HOLLENBECK
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Publication number: 20200326184Abstract: A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.Type: ApplicationFiled: May 13, 2020Publication date: October 15, 2020Applicant: 3SHAPE A/SInventors: Nikolaj DEICHMANN, Mike VAN DER POEL, Karl-Josef HOLLENBECK, Rune FISKER
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Patent number: 10736718Abstract: Disclosed are a scanner system and a method for recording surface geometry and surface color of an object where both surface geometry information and surface color information for a block of the image sensor pixels at least partly from one 2D image recorded by the color image sensor. A particular application is within dentistry, particularly for intraoral scanning.Type: GrantFiled: December 12, 2018Date of Patent: August 11, 2020Assignee: 3SHAPE A/SInventors: Bo Esbech, Christian Romer Rosberg, Mike Van Der Poel, Rasmus Kjaer, Michael Vinther, Karl-Josef Hollenbeck
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Patent number: 10735706Abstract: Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises: —determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images; —if a relative motion is determined, performing a motion compensation based on the determined motion; and —generating a 3D surface from the sequence of focus plane images.Type: GrantFiled: December 27, 2018Date of Patent: August 4, 2020Assignee: 3Shape A/SInventors: Rune Fisker, Henrik Ojelund, Mike Van Der Poel, Kristian Evers Hansen, Anders Gaarde