Patent application number | Description | Published |
20110144928 | Vortex extraction apparatus, method, program storage medium, and display system - A vortex extraction apparatus includes: a first numerical data calculation section calculating, for each vertex of each of voxels into which the inside of a fluid space is split, first numerical data indicating whether the vertex is located inside or outside a vortex region in a fluid; and a text data creation section determining the size of the vortex region around a center line of the vortex based on the first numerical data, and creating text data indicating the center line and the size. The apparatus further includes a polygon count reduction processing section counting the number of polygons defining a surface of the vortex region and each including an isosurface of the first numerical data, and integrating the voxels with new voxels into which the fluid space is roughly split until the number of polygons is not more than a set value, to decimate the first numerical data. | 06-16-2011 |
20110235883 | THREE-DIMENSIONAL TEMPLATE TRANSFORMATION METHOD AND APPARATUS - A method includes: obtaining designated 3D template for a designated part in a heart; generating 3D annulus data representing an annulus of a heart valve identified as a reference of transformation, from a cross-section image in a plane passing through an axis within the annulus of the identified heart valve in 3D volume data generated from tomographic images; identifying a first point on the annulus of the identified heart valve in the designated 3D template and a second point on the annulus represented by the 3D annulus data; arranging n starting points from the first point on the annulus of the identified heart valve in the designated 3D template and n target points from the second point on the annulus represented by the 3D annulus data; and calculating movement destination coordinates of vertices of polygons relating to the designated 3D template to transform the designated 3D template. | 09-29-2011 |
20110288834 | FLUID STRUCTURE INTERACTION SIMULATION METHOD AND APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM - A fluid structure interaction simulation method includes a graph information forming process to form graph information of nodes obtained by discretising a computing region for each of a fluid and a structure that are represented by meshes, and a main time development loop process to simulate a physical phenomenon. The loop process includes arranging IMEs (Interaction Mediating Elements) that move with a displacement of the structure, on a boundary of the structure, defining, within the IME, correcting functions of a pressure and a velocity of the fluid that interact with the pressure and the velocity of the fluid and the displacement of the structure, and executing a simulation based on the correcting functions, in a state in which the meshes of the fluid are mismatched to the meshes of the structure. | 11-24-2011 |
20110292039 | VISUALIZATION PROCESSING METHOD AND APPARATUS - This method includes: generating data of a mask surface with respect to visualization data arranged in a virtual three-dimensional space, for calculation values at respective calculation points; identifying, from a first data storage storing, as time-series data, positions of the calculation points and calculation values at the calculation points, a first point whose position is closest to a predetermined point on the mask surface; reading out, from the first data storage, a position of the identified first point in each time; arranging the mask surface in each time based on a direction of a user's sight line and the read position in each time so as to make the mask surface perpendicular to the direction of the user's sight line and have the predetermined point on the mask surface arranged at the read position; and drawing polygon data of the visualization data and the mask surface in time series. | 12-01-2011 |
20130002677 | SHAPE DATA GENERATION METHOD AND APPARATUS - A disclosed method is a shape data generation method including: identifying, from among a plural vertices of a first shape to be transformed, one or plural first vertices satisfying a predetermined condition including a condition that a normal line of a vertex to be processed crosses with a second shape that is a shape of a transformation target, which is identified from image data; transforming the first shape so as to move each of the one or plural identified first vertices a predetermined distance toward a corresponding normal direction of the identified first vertex; and storing data concerning the plural vertices of the transformed first shape after the identifying and the transforming are executed the predetermined number of times. | 01-03-2013 |
20130332134 | COMPUTER PRODUCT, DISPLAY METHOD, AND DISPLAY APPARATUS - A computer-readable recording medium stores a display program for displaying simulation results and causing a computer to execute detecting from a first element group having physical values according to position in a simulation model of a first unit time, a first element string along a first line that passes through the simulation model; extracting from the first element string, first physical values of the first element string; setting a second line that passes through the simulation model of a second unit time subsequent to the first unit time; detecting from a second element group having physical values according to position in the simulation model of the second unit time, a second element string along the second line and corresponding to the first element string; extracting from the second element string, second physical values of the second element string; and displaying the first physical values and the second physical values. | 12-12-2013 |
20140002450 | VISUALIZATION METHOD, AND VISUALIZATION APPARATUS | 01-02-2014 |
20140022252 | RENDERING PROCESSING METHOD AND APPARATUS - A disclosed method includes extracting a region from each of plural cross sections in a volume data representing a solid to be rendered, based on data of brightness values of texels for each of the plurality of cross sections, wherein the plural cross sections are perpendicular to an axis set for the volume data; deleting any one of two adjacent cross sections among the plural cross sections based on a correlation between a region extracted for one cross section of the two adjacent cross sections and a region extracted for the other cross section of the two adjacent cross sections; and rendering the solid by using data of the cross sections after the deleting. | 01-23-2014 |
20140022259 | DISPLAY PROCESSING METHOD AND APPARATUS - A disclosed display processing method includes: first generating data of a faying surface region between a first line element, for which a greatest radius is defined, and a second line element, for which a second greatest radius is defined, at a point where end points of plural line elements are connected, by using data of plural line elements for which a radius and coordinates of both end points are defined and data representing connection relationships between line elements; and second generating, for each line object of the plural line elements, data of a tubular object that is defined based on a faying surface region generated for the line element. | 01-23-2014 |
20140023261 | DISPLAY PROCESSING METHOD AND APPARATUS - A disclosed method includes: identifying an axis that is a straight or curved line inside of a space; first generating plural surface regions that are orthogonal to the identified axis; second generating, from a first vector provided at each vertex of an unstructured grid disposed inside of the space, a second vector at each point of plural points on a surface region for each of the generated plural surface regions; and displaying an arrow corresponding to the generated second vector. | 01-23-2014 |
20140114633 | DISPLAY PROCESSING METHOD AND APPARATUS - A disclosed method includes: defining two first points in a model cross section of a model of an object and two corresponding second points in an image that is a cross section of the object for a reference time; performing first transforming including expansion or reduction for the model cross section so that a position of a second point is identical to a position of a corresponding first point; superimposing the image and the model cross section after the performing; second transforming a second model cross section for a second time after the reference time, so that positions of two second points in a second image for the second time are almost identical to positions of corresponding two first points in the second model cross section; and superimposing the second image and the second model cross section after the second transforming. | 04-24-2014 |
20140306960 | DISPLAY PROCESSING METHOD AND APPARATUS - A disclosed method includes: performing a processing for adjusting positions of voxel data for an object and data of a geometric model for the object; calculating, for each voxel included in a range defined by a cross section among plural voxels that are included in the voxel data, a voxel value of the voxel from physical values in elements of the geometric model, which are included in a predetermined range of the voxel, based on a relation between the cross section and vectors; and rendering an image by using the voxel value calculated for each voxel. A vector of the vectors is set for one element of plural elements included in the geometric model, the vectors represent a direction of an inner structure of the object, and the cross section is set for the voxel data and the geometric model data. | 10-16-2014 |