Abstract: The present invention relates to a computer implemented method for aligning a three-dimensional model (6) of a patient's dentition to an image of the face of the patient recorded by a camera (3), the image including the mouth opening, comprising: estimating the positioning of the camera (3) relative to the face of the patient during recording of the image to obtain an estimated positioning, retrieving the three-dimensional model (6) of the dentition of the patient, rendering a two-dimensional image (7) of the dentition of the patient using the virtual camera (8) processing the three-dimensional model (6) of the dentition at the estimated positioning, carrying out feature detection in a dentition area in the mouth opening of the image (1) of the patient recorded by the camera (3) and in the rendered image (7) by performing edge detection and/or a color-based tooth likelihood determination in the respective images and forming a detected feature image for the or each detected feature, calculating a measure of

Abstract: The present invention relates to a computer implemented method for modifying a digital three-dimensional model (3) of a dentition comprising: displaying an image of the dentition by applying a virtual camera to the three-dimensional model to render the image for a display (1); acquiring a line drawn by a user on the image on the display (1); projecting the acquired line, using the virtual camera (4), to a three-dimensional projection surface (7) approximating the shape of the dental arches and extending the upper and lower dental arches to cover any opening therebetween; obtaining visible teeth arch contour curves, namely incisal curve and gingiva border curve, of the upper and lower teeth arches, and projecting the teeth arch contour curves to the projection surface; selecting one of the teeth arch contour curves as teeth arch contour curve to be modified and selecting the other teeth arch contour curve of the same teeth arch or a curve derived therefrom as a baseline curve; deforming all teeth belonging

Abstract: The invention pertains to a method for transferring properties from a reference dental model (20) to a primary dental model (10), wherein the method comprises a non-rigid alignment of the primary dental model and the reference dental model, comprising applying an algorithm to minimize a measure of shape deviation between the primary dental model and the reference dental model, and transferring properties of the reference dental model to the primary dental model.

Abstract: Method for realistic visualization of a virtual dental model in a first image of a face comprising at least an inner mouth region of the face, the inner mouth region comprising teeth (31) and a mouth cavity background, the method comprising using an inpainting algorithm to compute, based on background pixels corresponding to the mouth cavity background (35), plausible background pixels for at least a part of tooth pixels of the first image, the tooth pixels corresponding to the teeth, and to replace at least a part of the tooth pixels by plausible background pixels, at least partially removing the teeth (31) from the first image; and visualizing the first image with the at least partially removed teeth (31?), wherein the first image is overlaid with a representation (21) of the dental model.

Abstract: Method for realistic visualization of a virtual dental model in a first image of a face comprising at least an inner mouth region of the face, the inner mouth region comprising teeth (31) and a mouth cavity background, the method comprising using an inpainting algorithm to compute, based on background pixels corresponding to the mouth cavity background (35), plausible background pixels for at least a part of tooth pixels of the first image, the tooth pixels corresponding to the teeth, and to replace at least a part of the tooth pixels by plausible background pixels, at least partially removing the teeth (31) from the first image; and visualizing the first image with the at least partially removed teeth (31?), wherein the first image is overlaid with a representation (21) of the dental model.

Abstract: The invention pertains to a method for realistic visualization of a 3D virtual dental model (1) in a 2D image (20) of a face, the method comprising estimating or assuming a lighting situation in the image of the face, determining boundaries of an inner mouth region in the image, computing, based on the boundaries of the inner mouth region, on a 3D face geometry and on the lighting situation, a shadowing in the inner mouth region, computing a lighting of the dental model (1) based at least on the computed shadowing, and visualizing the dental model (1) and the 2D image (20), wherein at least the inner mouth region in the image is overlaid with a visualization (21) of the dental model having the computed lighting.

Abstract: The invention pertains to a method for exporting design data of a virtual 3D dental design model (12) from an AR application, the AR application being adapted to visualize the dental design model with a preliminary pose and scale (13) in an image (11) of a face comprising a mouth region with a dental situation. The invention further pertains to a method for visualizing a 3D dental design model in an AR application.

Abstract: The invention pertains to a method for transferring properties from a reference dental model (20) to a primary dental model (10), wherein the method comprises a non-rigid alignment of the primary dental model and the reference dental model, comprising applying an algorithm to minimize a measure of shape deviation between the primary dental model and the reference dental model, and transferring properties of the reference dental model to the primary dental model.

Abstract: The present invention relates to a computer implemented method for modifying a digital three-dimensional model (3) of a dentition comprising: displaying an image of the dentition by applying a virtual camera to the three-dimensional model to render the image for a display (1); acquiring a line drawn by a user on the image on the display (1); projecting the acquired line, using the virtual camera (4), to a three-dimensional projection surface (7) approximating the shape of the dental arches and extending the upper and lower dental arches to cover any opening therebetween; obtaining visible teeth arch contour curves, namely incisal curve and gingiva border curve, of the upper and lower teeth arches, and projecting the teeth arch contour curves to the projection surface; selecting one of the teeth arch contour curves as teeth arch contour curve to be modified and selecting the other teeth arch contour curve of the same teeth arch or a curve derived therefrom as a baseline curve; deforming all teeth belonging

Abstract: The invention pertains to a method for transferring properties from a reference dental model (20) to a primary dental model (10), wherein the method comprises a non-rigid alignment of the primary dental model and the reference dental model, comprising applying an algorithm to minimize a measure of shape deviation between the primary dental model and the reference dental model, and transferring properties of the reference dental model to the primary dental model.

Abstract: The present invention relates to a computer implemented method for modifying a digital three-dimensional model (3) of a dentition comprising: displaying an image of the dentition by applying a virtual camera to the three-dimensional model to render the image for a display (1); acquiring a line drawn by a user on the image on the display (1); projecting the acquired line, using the virtual camera (4), to a three-dimensional projection surface (7) approximating the shape of the dental arches and extending the upper and lower dental arches to cover any opening therebetween; obtaining visible teeth arch contour curves, namely incisal curve and gingiva border curve, of the upper and lower teeth arches, and projecting the teeth arch contour curves to the projection surface; selecting one of the teeth arch contour curves as teeth arch contour curve to be modified and selecting the other teeth arch contour curve of the same teeth arch or a curve derived therefrom as a baseline curve; deforming all teeth belonging

Abstract: The present invention relates to a computer implemented method for modifying a digital three-dimensional model (3) of a dentition comprising: displaying an image of the dentition by applying a virtual camera to the three-dimensional model to render the image for a display (1); acquiring a line drawn by a user on the image on the display (1); projecting the acquired line, using the virtual camera (4), to a three-dimensional projection surface (7) approximating the shape of the dental arches and extending the upper and lower dental arches to cover any opening therebetween; obtaining visible teeth arch contour curves, namely incisal curve and gingiva border curve, of the upper and lower teeth arches, and projecting the teeth arch contour curves to the projection surface; selecting one of the teeth arch contour curves as teeth arch contour curve to be modified and selecting the other teeth arch contour curve of the same teeth arch or a curve derived therefrom as a baseline curve; deforming all teeth belonging

Abstract: The invention pertains to a method for exporting design data of a virtual 3D dental design model (12) from an AR application, the AR application being adapted to visualize the dental design model with a preliminary pose and scale (13) in an image (11) of a face comprising a mouth region with a dental situation. The invention further pertains to a method for visualizing a 3D dental design model in an AR application.

Abstract: Method for realistic visualization of a virtual dental model in a first image of a face comprising at least an inner mouth region of the face, the inner mouth region comprising teeth (31) and a mouth cavity background, the method comprising using an inpainting algorithm to compute, based on background pixels corresponding to the mouth cavity background (35), plausible background pixels for at least a part of tooth pixels of the first image, the tooth pixels corresponding to the teeth, and to replace at least a part of the tooth pixels by plausible background pixels, at least partially removing the teeth (31) from the first image; and visualizing the first image with the at least partially removed teeth (31?), wherein the first image is overlaid with a representation (21) of the dental model.

Abstract: The invention pertains to a method for transferring properties from a reference dental model (20) to a primary dental model (10), wherein the method comprises a non-rigid alignment of the primary dental model and the reference dental model, comprising applying an algorithm to minimize a measure of shape deviation between the primary dental model and the reference dental model, and transferring properties of the reference dental model to the primary dental model.

Abstract: The invention pertains to a method for realistic visualization of a 3D virtual dental model (1) in a 2D image (20) of a face, the method comprising estimating or assuming a lighting situation in the image of the face, determining boundaries of an inner mouth region in the image, computing, based on the boundaries of the inner mouth region, on a 3D face geometry and on the lighting situation, a shadowing in the inner mouth region, computing a lighting of the dental model (1) based at least on the computed shadowing, and visualizing the dental model (1) and the 2D image (20), wherein at least the inner mouth region in the image is overlaid with a visualization (21) of the dental model having the computed lighting.