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Seok Yoon Jung, Seoul KR

Seok Yoon Jung, Seoul KR

Patent application numberDescriptionPublished
20080208547Method, medium, and system implementing 3D model generation based on 2D photographic images - 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.08-28-2008
20080211809Method, medium, and system with 3 dimensional object modeling using multiple view points - 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.09-04-2008
20090002387Method and apparatus for rendering three dimensional graphics data - Provided is a method and apparatus for rendering 3D graphics data. By calculating the size of a primitive, which is a basic constituent unit of objects indicated by the graphics data, on a screen, selecting one of a plurality of resolutions supported by a video stream according to the calculated size, generating a video frame image having the selected resolution from the video stream, and rendering the graphics data using the generated video frame image, the amount of memory space used and power consumed are reduced. In addition, since when rendering is performed using a video frame image decoded at a low resolution, a processing speed increases, and since rendering can be performed using video frame images decoded at various resolutions, image quality increases.01-01-2009
20090167777Method and apparatus for rendering - A rendering method and apparatus are provided. 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.07-02-2009
20090184959Method and apparatus for rendering - 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.07-23-2009
20100103164Apparatus and method of processing three dimensional graphic data using texture factor - A method and apparatus of processing three-dimensional (3D) graphic data using a texture factor. The method of processing 3D graphic data includes configuring a polygon including a plurality of vertexes, calculating a texture factor of an object texture corresponding to the polygon, the texture factor being associated with a degree by which the object texture is identified on an actual screen, and determining a texture filtering mode with respect to the object texture based on the calculated texture factor.04-29-2010
20100110091Apparatus and method of reading texture data for texture mapping - An apparatus and method of reading texture data for texture mapping. Each of a plurality of blocks included in a cache memory may have any one of an even numbered index or odd numbered index. In this instance, the cache memory may be embodied with an odd numbered index cache memory including odd numbered index blocks and an even numbered index cache memory including even numbered index blocks. Also, address indexes of requested texture data may be analyzed to appropriately access to at least one of the odd numbered index cache memory and even numbered index cache memory, thereby improving an accessing speed.05-06-2010
20100277478Image processing apparatus and method - A selector of an image processing apparatus may select, from a plurality of sub-pixels included in a first pixel, at least one sub-pixel to be anti-aliased. A processor of the image processing apparatus may calculate a color value of the first pixel by performing an anti-aliasing process with respect to each of the selected at least one sub-pixel.11-04-2010
20100322308Apparatus for encoding and decoding key data and key value data of coordinate interpolator and recording medium containing bitstream into which coordinate interpolator is encoded - An apparatus for encoding and decoding key data and key value data of a coordinate interpolator and a recording medium, on which a bitstream, into which a coordinate interpolator is encoded, is written, are provided. The bitstream includes key data encoding/decoding information, into which key data and information necessary to decode the key data are encoded, and key value data encoding/decoding information, into which key value data and information necessary to decode the key value data are. encoded. The key data encoding/decoding information includes inverse DND operation information including the order of inverse DND indicating a predetermined number of cycles of inverse DND to be performed on differential data generated by entropy-decoding the bitstream in order to extend the range of the differential data and maximum and minimum values among differential data used in each cycle of inverse DND operation, first inverse DPCM operation information including the order of inverse DPCM operation to be performed on the inverse-DNDed differential data so as to convert the inverse-DNDed differential data into quantized key data and intra key data which are used for each cycle of inverse DPCM operation, and first inverse quantization information used in inverse quantization to generate retrieved key data by inverse-quantizing the quantized key data. The key value data encoding/decoding information includes dictionary decoding information including information on symbols representing differential data of dictionary-encoded key value data, which are entropy-decoded from the bitstream, first position indexes indicating the positions of the symbols, and a dictionary decoding mode indicating a dictionary decoding method to be performed on the first position indexes, second inverse DPCM operation information including second position indexes indicating the positions of symbols, which are used in an inverse DPCM operation to convert dictionary-decoded differential data of components of each vertex into quantized key value data and correspond to combinations of inverse DPCM operation modes, and second inverse quantization information used in inverse quantization to generate retrieved key value data by inverse-quantizing the quantized key value data.12-23-2010
20110090224Tile-based rendering apparatus and method - A tile based rendering apparatus and method is provided. The rendering method may be used to graphically represent a three dimensional (3D) model on a two dimensional (2D) display screen. Also, the rendering method may perform pre-binning with respect to objects included in a frame, and thus all geometry processing results may not be stored in an external memory and use of the external memory may be reduced.04-21-2011
20110099555Reconfigurable processor and method - Disclosed are a reconfigurable processor and processing method, a reconfiguration control apparatus and method, and a thread modeler and modeling method. A memory area of a reconfigurable processor may be divided into a plurality of areas, and a context enabling a thread process may be stored in respective divided areas, in advance. Accordingly, when a context switching is performed from one thread to another thread, the other thread may be executed by using information stored in an area corresponding to the other thread.04-28-2011
20110164038APPARATUS AND METHOD FOR TILE-BASED RENDERING - A tile-based rendering apparatus and method is provided. Vertex data sorted based on a tile unit may be stored in a scene buffer and be rendered. Among the stored vertex data, vertex data used several times for rendering may be temporarily stored in a memory or a cache. Vertex data having a probability of being read several times from the scene buffer may be temporarily stored in another memory.07-07-2011
20110164692Apparatus and method for converting protocol interface - An apparatus and method for converting a protocol interface are provided. A protocol converter may analyze a protocol of protocol data, and may sequentially output a plurality of sub-data of the input protocol data according to types of the plurality of sub-data and a plurality of phase information representing the types of the plurality of sub-data. A phase channel line may transmit phase information received from the protocol converter among the plurality of phase information. A data channel line may simultaneously transmit the received phase information and a sub-data corresponding to the received phase information.07-07-2011

Patent applications by Seok Yoon Jung, Seoul KR