Disclosed are a method and a device for synthesizing a mathematical model of a blood vessel having a stenotic lesion. The method comprises: performing three-dimensional modeling according to a real-time diameter D.sub.t of a blood vessel, a length L of a blood vessel centerline and a stenotic section to form a three-dimensional model of the blood vessel having a stenotic lesion section (S01); performing N-gon meshing along a circumferential surface of the three-dimensional model of the blood vessel to form a single-layer mesh model (S02); performing surface layering on the single-layer mesh model to form a double-layer mesh model, that is, a mathematical model of the blood vessel (S03).

In one embodiment, a method includes receiving sensor data of a scene captured using one or more sensors, generating (1) a number of virtual surfaces representing a number of detected planar surfaces in the scene and (2) a point cloud representing detected features of objects in the scene based on the sensor data, assigning each point in the point cloud to one or more of the number of virtual surfaces, generating occupancy volumes for each of the number of virtual surfaces based on the points assigned to the virtual surface, generating a datastore including the number of virtual surfaces, the occupancy volumes of each of the number of virtual surfaces, and a spatial relationship between the number of virtual surfaces, receiving a query, and sending a response to the query, the response including an identified subset of the plurality of virtual surfaces in the datastore that satisfy the query.

Examples are described for overlaying circular images onto a three-dimensional mesh model to generated respective portions of image content for 360-degree viewable content, where each of the portions is a sub-capsule that is larger than half of the sphere. The portions are rendered and then blended based on overlapping portions of the image content from the 360-degree viewable content.

A method for interactively generating a geometric model of a volume object on the basis of three-dimensional image data of an examination region of interest of an examination subject is described. According to an embodiment, a representation of the volume object is determined on the basis of three-dimensional image data and a two-dimensional representation is determined on the basis of the determined representation using a preferably non-linear planar reformation of the three-dimensional object. Subsequently, boundary indicators which define the surface profile of the volume object are edited in the two-dimensional representation. Following the editing, a three-dimensional representation of the edited boundary indicators is generated by back-transforming the edited boundary indicators into three-dimensional space. Finally, a model-based representation of the volume object is generated in three-dimensional space on the basis of the edited boundary indicators. A volume object modeling device is also described. In addition, a medical imaging device is described.

A system, method, and computer program product are provided for rendering at variable sampling rates. Vertex coordinates for 3D primitive are received from a shader execution unit, and an arithmetic operation is performed on the vertex coordinates by fixed operation circuitry to produce modified vertex coordinates in homogeneous coordinate space. The modified vertex coordinates are transformed from homogeneous coordinate space into screen-space to produce screen-space vertex coordinates of a transformed 3D primitive and the transformed 3D primitive is rasterized in screen-space using the screen-space vertex coordinates to produce an image for display.

A medical image data processing system comprises processing circuitry configured to receive a three-dimensional medical imaging data set, process the three-dimensional medical imaging data set to determine a curved plane that has a shape representative of a shape of at least one anatomical structure, wherein the at least one anatomical structure comprises a plurality of sub-structures, and obtain an image based on values of the medical imaging data set at a plurality of sample points of the curved plane.

According to one embodiment, a medical image processing apparatus includes processing circuitry. The processing circuitry extracts a core line of a tubular structure from three dimensional medical image data. For each section of interest of a plurality of sections of interest, the section of interest crossing the core line, being a tubular cross-section of the tubular structure, and including a portion of interest, the processing circuitry sets a straight line in the section of interest crossing the core line and passing through the portion of interest included in the section of interest as a first cut-off line. Further, the processing circuitry sets a curved plane such that the curved plane passes through a plurality of first cut-off lines being set in the corresponding plurality of sections of interest, and the processing circuitry generates a reconstruction image along the set curved plane.

Computer-readable storage media, computing device and methods associated with dynamic modification of a rendering of a physical scene. In embodiments, one or more computer-readable storage media may have instructions stored thereon which, when executed by a computing device, may provide the computing device with a dynamic augmentation module. The dynamic augmentation module may, in some embodiments, cause the computing device to receive a manipulation of a physical scene. In response to receipt of the manipulation, the dynamic augmentation module may cause the computing device to dynamically modify a rendering of the physical scene. In some embodiments, this may be accomplished through real-time application of one or more virtual articles to the rendering of the physical scene or alteration of one or more virtual articles added to the rendering of the physical scene. Other embodiments may be described and/or claimed.

A method of editing a digital three-dimensional structure associated with one or more two-dimensional texture in real time is disclosed, wherein the structure and one or more texture are processed and output same in a user interface, and user input is read in the user interface and processed into a cut shape of the three-dimensional structure. A simplified structure is generated based on the three-dimensional structure, and points of the cut shape are associated with the simplified structure to generate a curve. Points of the curve corresponding to edges of the curve on the simplified structure are determined, and geometrical characteristics and texture coordinates of the new points calculated. A new three dimensional structure is generated along the curve and layers of the structure are joined, for the cut and layered structure to be rendered in the user interface. An apparatus embodying the method is also disclosed.

A method is for image data processing. In an embodiment, the method includes providing a 3D medical image data record, which relates to an elongated anatomical structure, a center line of the elongated anatomical structure being defined in the 3D medical image data record; defining at least one curved slice in the 3D medical image data record, the at least one curved slice winding around the center line; scanning at least one part of the 3D medical image data record into the at least one curved slice; and unrolling the at least one curved slice, into which the at least one part of the 3D medical image data record was scanned, at least one unrolled flat slice being determined. An image data processing unit is also for image data processing and a medical imaging apparatus includes the image data processing unit.