Samsung Electronics Co., Ltd.

Jeonghwan Ahn

Dokyoon Kim

Keechang Lee

Sangoak Woo

Seyoon Tak

Nikolay Yurievich Gerasimov

Shinjun Lee

Heesae Lee

Mahnjin Han

Vladimir Sergeevich Belyaev

Vladislav Germanovich Shubnikov

A method and apparatus for rendering 3D graphics data. The method includes analyzing a characteristic of input 3D graphics data, reconstructing a rendering function based on the analyzed characteristic, and rendering the input 3D graphics data using the reconstructed rendering function. The characteristic of 3D graphics data to be rendered is analyzed and a rendering function is reconstructed only using code blocks corresponding to the analyzed characteristic, thereby minimizing the size of the rendering function.

Method and apparatus for rendering 3D graphics data

A method, apparatus, and medium for transforming a graphic data of an object and a computer readable recording medium storing a program for executing the method are provided. The method includes; determining at least one triangle to be collapsed among one or more triangles comprised in the object, determining a collapsing vertex to be created by collapsing the at least one triangle, and transforming the graphic data of the object based on information regarding the at least one triangle determined to be collapsed and information regarding the determined collapsing vertex. Thus, a large three-dimensional object can be efficiently rendered with a small amount of resources.

Method, apparatus, and medium for transforming graphic data of an object

A method, apparatus and medium to render three-dimensional (3D) objects for 3D graphics. The method includes detecting the presence of a motion by performing local coordinate calculations with respect to each 3D object, performing global coordinate calculations with respect only to objects that each has a motion among the 3D objects, and rendering 3D objects for which local and global coordinate calculations have been performed.

Method, apparatus, and medium for efficiently rendering 3D object

A method and apparatus for processing a query required for 3-dimensional (3D) display, for example, a visibility query and a localization query, are provided. The method includes: dividing a 3D space into a plurality of regions; and processing a query in units of divided regions, detecting desired divided regions for processing the query of all the divided regions, and outputting objects included in the detected divided regions, as the result of processing the query. According to the method and apparatus, an entire 3D space is divided into a plurality of regions, and when a query required for 3D display or for running a game using 3D display is processed, a query is made to be processed in units of divided regions, and thus the amount of calculation and time required for processing the query can be reduced. Accordingly, performance of 3D display or the performance of a game using 3D display can be improved.

Method and apparatus for efficiently handling query for 3D display

A method of generating and recovering three-dimensional (3D) compression data and an apparatus to perform the method is described. The method includes generating configuration information of a 3D compression data sequence, generating a plurality of pieces of individual 3D compression data to be included in the 3D compression data sequence, and generating the 3D compression data sequence by combining the plurality of pieces of the individual 3D compression data, combining the 3D compression data sequence with the configuration information, and outputting the combined result. The generating of each of the plurality of pieces of individual 3D compression data includes generating individual configuration information of the piece of individual 3D compression data, generating a start code according to a data type of the piece of individual 3D compression data, and generating the 3D compression data according to the data type.

Methods and apparatuses for generating and recovering 3D compression data

An animation reproducing apparatus and method of reproducing an animation reproduces an animation of a predetermined model. The animation reproducing apparatus includes a motion blending unit blending one or more previously prepared animations according to a desired motion that is to be reproduced and a rendering unit rendering a result of the blending.

Animation reproducing apparatus and method

An apparatus for three-dimensionally visualizing two-dimensional flyover data in a three-dimensional graphics environment includes an overlapped region separation unit, a triangulation unit, a height coordinate addition unit, and a visualization unit. The division lines are selectively applied to a polygon to separate overlapped regions from the polygon, an ear cutting algorithm is applied to triangulate the polygon, and various different visualization processes are performed on different portions of the flyover data.

Method, apparatus, and medium for three-dimensionally transforming and visualizing two-dimensional flyover data in three-dimensional graphics environment

An apparatus and method for displaying topography around a position of a mobile object such as a vehicle in 3-dimensional graphics. The method includes predicting a candidate region for the mobile object's position at a display time after a predetermined period of time using current position and motion information of the mobile object; loading 3-dimensional graphic data corresponding to the predicted candidate region to memory; and rendering and displaying data corresponding to a region around a position of the mobile object at the display time among the 3-dimensional graphic data loaded to the memory.

Apparatus and method for displaying 3-dimensional graphics

A method of generating procedural textures for a plurality of natural phenomena, and an apparatus to perform the method, the method including inputting a set of common parameters required to represent the plurality of natural phenomena; inputting a set of specific parameters required to represent physical properties of at least one of the natural phenomena; generating a noise value using the common parameters and the specific parameters; determining which procedural texture is to be generated according to the common parameters; and generating the procedural texture according to the determination results using the noise value, the common parameters, and the specific parameters.

Method and apparatus for generating procedural texture for natural phenomena and recording medium storing the method

A method and apparatus for synthesizing and expressing multiple effects and textures in a 3-dimensional graph image. The method includes: defining nodes in VRML (Virtual Reality Modeling Language), the nodes being used to express multiple effects; inputting VRML files corresponding to the defined nodes, the VRML files having information on the 3-dimensional image and the multiple effects to be expressed in the 3-dimensional image; generating the 3-dimensional image by using the input VRML files; and expressing the multiple effects in the generated 3-dimensional image by using the information on the multiple effects in the input VRML files. Accordingly, the VRML nodes and fields are defined to synthesize multiple effects and multiple textures in the 3-dimensional image, so that it is possible to effectively apply the multiple effects and multiple texture effects in the 3-dimensional image in cooperation with a conventional 3-dimensional image expression method and apparatus. Accordingly, it is possible to apply the multiple effects or the multiple texture effects in the 3-dimensional image by a user simply designating the multiple effects or the multiple texture effects.

Multiple effect expression method and apparatus in 3-dimension graphic image

An apparatus and method for reconstructing 3D graphics data is provided. The apparatus includes a parsing unit to parse 3D graphics data, an aligning unit to align objects of a scene graph having nodes storing geometric information and material information that corresponds to the geometric information included in the 3D graphics data parsed by the parsing unit and hierarchy information regarding the nodes, using predetermined detail information of the material information as a reference, and a rendering unit to interpret the objects of the scene graph aligned by the aligning unit to convert the 3D graphics data into 2D graphics data. Therefore, the present invention can omit the operation of repeatedly storing the same material information by classifying each node of the scene graph according to the material information.

Apparatus and method for reconstructing three-dimensional graphics data

A method of generating three-dimensional (3D) compression data, and an apparatus to perform the method, the method including generating configuration information of the 3D compression data; generating a plurality of pieces of individual 3D compression data to be included in the 3D compression data; and generating the 3D compression data by multiplexing the pieces of individual 3D compression data, combining the 3D compression data with the configuration information, and outputting the result of the combination.

A method and apparatus for three-dimensionally transforming two-dimensional linear data in real time and a method and apparatus for three-dimensionally visualizing the two-dimensional linear data in real time. The method of three-dimensionally transforming two-dimensional linear data in real time includes: searching triangles in which vertexes constituting the two-dimensional linear data are contained among triangles constituting the three-dimensional topography data; calculating heights of the vertexes by using three-dimensional coordinates of the searched triangles; calculating intersection points between the triangles constituting the three-dimensional topography data and straight lines constituting the two-dimensional linear data; and calculating heights of the calculated intersection points. The two-dimensional linear data is three-dimensionally transformed in accordance with three-dimensional topography data in real time and three-dimensionally visualized together with three-dimensional topography data in real time, so that map information can be perceived intuitively and conveniently by a user.

Method and apparatus for three-dimensionally transforming two-dimensional linear data in accordance with three-dimensional topography data in real time and method and apparatus for three-dimensionally visualizing two-dimensional linear data together with three-dimensional topography data in real time

An MPEG (Moving Picture Experts Group)-4 encoding/decoding method, medium, and system. The decoding method may include detecting information for identifying an array structure of binary data describing a scene, and decoding the binary data based on the detected information. Since, a conventional process of converting data into a binary file and an inverse transforming process, which require a copying operation, are not required, memory and power use can be reduced.

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Suwon-si, South Korea

Jeonghwan Ahn