Samsung Electronics Co., Ltd.

Yonsei University

Seok-yoon Jung

Sang-oak Woo

Do-kyoon Kim

Mahn-jin Han

Gyeong-ja Jang

Euee-Seon Jang

Shin-jun Lee

Sung-jin Kim

Keun-ho Kim

Yang-seock Seo

Euee-seon Jang

Mun-sup Song

Kwon-taek Kwon

Shin-Jun Lee

Tack-don Han

Vladimir Vezhnevets

Anton Konouchine

Alexander Parshin

Alexei Sosnov

Jin-hong Park

Alexander Olegovich Zhirkov

Hui Zhang

Woo-chan Park

Il-san Kim

Si-hwa Lee

Chan-min Park

Jae-Young Sim

Jeong-soo Park

Vladislav Y Aranov

Gyeong-la Jang

Woo-nam Chung

Alexander Zhirkove

Igor M Laevskiy

Oleg V Talalov

Kwon-teak Kwon

Sang-duk Kim

Jae-ho Nah

Shin-Iun Lee

Do-Kyoon Kim

Sang-Oak Woo

Gyeong-Ja Jang

Mahn-Jin Han

Sang-Oak 508-1303 Gongjak Maeul Lucky Apt Woo

Euee-Seon 101-2301 Gangbyeon Kunyoung Apt Jang

Gyeong-Ja 1901-1201 Hatvit Maeul Jang

Mahn-Jin 307-602 Satbyeol Maeul Woobang Apt Han

A rendering method includes determining, at a geometry processor, if a previous draw command from among previous draw commands is identical to a current draw command; in response to the previous draw command being identical to the current draw command, selecting a primitive list indicating a result of geometry processing performed on the previous draw command; and performing pixel processing using the primitive list.

Rendering method and apparatus

Methods and apparatuses of converting a program, which may enhance an execution speed of a computer program, are provided. The method may include receiving a program, detecting at least one loop statement including at least one branch statement within the program, determining whether the loop statement may be split into at one or more sub-loop statements which perform the same function as a function of the loop statement and from which the branch statement has been removed, splitting the loop statement into the sub-loop statements and removing the branch statement included in the loop statement if it is determined that the loop statement may be split as a result of the determination, and outputting a result of removing the branch statement.

Method and apparatus for converting programs

Provided is a rendering method and apparatuses for rendering image data. The rendering method includes generating a primitive list by performing geometry processing on a current tile to be rendered; determining whether the current tile is identical to a previous tile from among tiles included in a previously rendered frame; and in response to the previous tile being identical to the current tile, generating an image of the current tile by re-using an image of the previous tile.

Method and apparatus for rendering image data

A method, medium, and system efficiently rendering 3 dimensional (3D) graphics data. The rendering method includes calculating the strength of a fog effect that is to be applied to graphics data, determining whether texture mapping must be performed on the graphics data, according to the strength of the fog effect, and performing the texture mapping according to the determination result. Accordingly, it is possible to reduce the number of memory access operations for reading textures.

Method, medium, and system rendering 3 dimensional graphics data considering fog effect

A rendering apparatus and method are provided. The rendering method includes: reading a block, corresponding to a fragment, from among compressed blocks stored in a depth buffer, by considering frequency information corresponding to the fragment and prepared in advance; and performing a depth test for the fragment by considering the restored block.

Method and apparatus for rendering

A camera calibration method and medium and a 3-dimensional (3D) object reconstruction method and medium using the camera calibration method are provided. The camera calibration method includes setting a feature track by tracking and matching features in an input image sequence; estimating 3-dimensional (3D) points in relation to the features by initializing a structure and motion of the camera; estimating a pose of the camera by using the 3D points and refining the structure of the camera based on the estimated pose; and refining the pose of the camera.

Camera calibration method and medium and 3D object reconstruction method and medium using the same

A method of encoding a coordinate interpolator that includes key data and a key header including information regarding encoding of the key data, the key data representing the position of a key frame on a time axis. The method includes, encoding the key header and encoding the key data according to the result of the encoding performed in the encoding the key header. The encoding of the key data includes performing quantization on the key data according to the quantization bit size and generating differential data by performing differential pulse code modulation (DPCM) on the result of the quantization according to a DPCM order. The encoding of the key data also includes performing a divide-and-divide (DND) on the differential data so that a difference between a maximum and minimum of the differential data can be minimized and performing entropy encoding on the result of the DND.

Apparatus for encoding and decoding key data and key value data of coordinate interpolator and recording medium containing bitstream into which coordinate interpolator is encoded

A modeling method, medium, and system. The modeling method may include specifying an object in a plurality of 2 dimensional (2D) images expressed from different view points, considering an edge and contents of each component of each 2D image, generating a 3 dimensional (3D) model of each specified object, and matching the generated 3D models considering relative locations of each generated 3D model. Accordingly, a realistic 3D model of an object expressed in an image can be accurately generated.

Method, medium, and system with 3 dimensional object modeling using multiple view points

A method of progressively coding/decoding 3-D mesh information, and an apparatus therefor are provided. The progressive 3-D mesh information coding method includes the steps of reconstructing an input 3-D mesh into a plurality of mesh components, coding each of the plurality of mesh components, and multiplexing the plurality of coded mesh components into a compressed bit stream and transmitting the compressed bit stream. The method of progressively decoding the transmitted, compressed bit stream which has been coded by the coding method, includes dividing the transmitted bit stream into a plurality of coded mesh components, decoding each of the plurality of coded mesh components, and reconstructing a 3-D mesh by synthesizing the plurality of decoded mesh components.

Method of progressively coding/decoding 3-D mesh information and apparatus thereof

A method and an apparatus for encoding/decoding key value data of a coordinate interpolator used in a three-dimensional graphic animation are provided. The apparatus for encoding key value data of a coordinate interpolator representing the position of each vertex of an object using coordinates of each of the vertices including x, y, and z components includes a quantizer, which quantizes a coordinate interpolator input thereinto with predetermined quantization bits, a DPCM processor, which performs a DPCM operation of a predetermined mode on each component of each vertex of the quantized coordinate interpolator and generates differential data based on the temporal variation of the coordinates of each of the vertices and differential data based on the spatial variation of the coordinates of each of the vertices.

Method and apparatus for encoding and decoding key value data of coordinate interpolator

A rendering method and apparatus capable of allowing power to be efficiently used and rendering to be quickly completed. The rendering method includes: performing texture mapping of a transparency value of a fragment; testing whether or not the fragment can be expressed as a pixel after the performing of the texture mapping; and selectively performing texture mapping of the color value of the fragment according to the test result.

A rendering method, medium and apparatus for sequentially performing one or more third raster operations to test whether a fragment can be displayed as a pixel after sequentially performing one or more second raster operations to test whether the fragment can be displayed as the pixel, so as to provide efficient power consumption and rapid completion of rendering.

Rendering apparatus, method and medium

A modeling method, medium, and system. The modeling method identifies a object within an image by detecting edges within the image, determines a complexity of the identified object based upon detected surface orientations of the identified object relative to a defined surface of the image, selectively, based upon the determined complexity, generates one or more surfaces for a 3D model by identifying one or more vanishing points for one or more corresponding surfaces, respectively, of the identified object and respectively analyzing the identified one or more vanishing points relative to respective determined points of the one or more corresponding surfaces of the image, and generates the 3D model by combining the one or more surfaces in a 3D space.

Method, medium, and system implementing 3D model generation based on 2D photographic images

A method, medium, and system rendering 3D graphics data. The method includes selecting objects to render from graphic data that have rendering results of a current frame that are different from rendering results of a previous frame, setting an operational voltage and an operational frequency based on the selected objects to render, and rendering the selected objects according to the set operational voltage and operational frequency with reference to the rendering results of the previous frame.

Method, medium, and system rendering 3D graphics data to minimize power consumption

Provided is a rendering apparatus and method. After a rendering image is generated by forming a splat for each of points generated by projecting a model composed of a plurality of points, then a plurality of predetermined regions which extend over a boundary of the generated rendering image are selected for each splat forming the boundary of the rendering image, and a pixel value of each pixel included in each of the selected regions is corrected based on pixel values of the pixel and its surrounding pixels, thereby correcting the boundary of the rendering image to make the boundary appear to be more natural and thus improving the display quality of the rendering image.

Rendering apparatus and method

Growing community of inventors

Seoul, South Korea

Seok-yoon Jung