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    Method and apparatus for encoding and decoding key data
    2.
    发明授权
    Method and apparatus for encoding and decoding key data 有权
    关键数据编码和解码的方法和装置

    公开(公告)号：US07746249B2

    公开(公告)日：2010-06-29

    申请号：US11390337

    申请日：2006-03-28

    申请人： Shin-jun Lee ,  Seok-yoon Jung ,  Euee-seon Jang ,  Sang-oak Woo ,  Mahn-jin Han ,  Do-kyoon Kim ,  Gyeong-ja Jang

    发明人： Shin-jun Lee ,  Seok-yoon Jung ,  Euee-seon Jang ,  Sang-oak Woo ,  Mahn-jin Han ,  Do-kyoon Kim ,  Gyeong-ja Jang

    IPC分类号： H03M7/00

    CPC分类号： H04N19/587 ,  H03M7/30 ,  H03M7/40 ,  H04N19/103 ,  H04N19/12 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/14 ,  H04N19/192 ,  H04N19/25 ,  H04N19/46 ,  H04N19/50 ,  H04N19/70 ,  H04N19/91

    摘要： An apparatus and a method for encoding and decoding key data are provided. An apparatus for encoding DPCMed differential data of key data includes a DND operator which performs on input differential data a predetermined number of times a DND operation, in which a divide operation is performed on the input differential data so as to divide differential data belonging to a positive number region into halves and so as to convert one half of the differential data belonging to an upper range than the other half into negative values, and either a divide-up operation or a divide-down operation is selectively performed on the results of the divide operation depending on the range of the results of the divide operation so as to reduce the range of differential data belonging to a negative number region or the positive number region, respectively, a shift-up operator which performs a shift-up operation on the results of the DND operation so as to transfer the differential data having been through the DND operation to either the positive or negative number region, a differential data selector which selectively outputs either the differential data having been through the DND operation or the differential data having been through the shift-up operation, and an entropy encoder which entropy-encodes the differential data selected by the differential data selector.

    摘要翻译： 提供了一种用于对关键数据进行编码和解码的装置和方法。 用于对密钥数据的DPCMed差分数据进行编码的装置包括：DND算子，对输入差分数据执行预定次数的DND操作，其中对所输入的差分数据执行除法运算，以将属于 将正数区域分成两半，并将属于比另一半的上限的差分数据的一半转换为负值，并且选择执行分割操作或分频操作 根据除法运算结果的范围分割运算，以分别减少属于负数区域或正数区域的差分数据的范围，该移位运算符执行向上移位运算 DND操作的结果以将已经通过DND操作的差分数据传送到正数或负数区域，dif 选择性地输出已经通过DND操作的差分数据或已经通过上移操作的差分数据的精确数据选择器，以及对由差分数据选择器选择的差分数据进行熵编码的熵编码器。

    Method and system for generating input file using meta representation on compression of graphics data, and animation framework extension (AFX) coding method and apparatus
    3.
    发明授权
    Method and system for generating input file using meta representation on compression of graphics data, and animation framework extension (AFX) coding method and apparatus 失效
    用于在图形数据压缩上使用元表示生成输入文件的方法和系统，以及动画框架扩展（AFX）编码方法和装置

    公开(公告)号：US07561745B2

    公开(公告)日：2009-07-14

    申请号：US11001117

    申请日：2004-12-02

    申请人： Gyeong-ja Jang ,  Do-kyoon Kim

    发明人： Gyeong-ja Jang ,  Do-kyoon Kim

    IPC分类号： G06K9/36 ,  G06K9/46 ,  G06T17/20 ,  G06T15/70 ,  G06T13/00 ,  G06F7/00

    CPC分类号： H04N21/44012 ,  H03M7/3077 ,  H03M7/3079 ,  H04N21/23412 ,  H04N21/8146 ,  H04N21/84 ,  H04N21/8543 ,  Y10S707/99942

    摘要： Provided are a method and system for generating an input file using meta representation of compression of graphics data, and an animation framework extensions (AFX) encoding method and apparatus. The method of generating an input file includes preparing an extensible MPEG-4 textual (XMT) schema that defines a compression node, encoding parameters, and BitWrapperEncodingHints; preparing an XMT2BIFS style sheet that supports conversion of an input XMT file into a scene file according to the XMT schema, and an XMT2MUX style sheet that supports conversion of the input XMT file into a mux file according to the XMT schema; generating the scene file and the mux file by parsing the input XMT file according to the XMT schema using the XMT2BIFS and XMT2MUX style sheets; determining whether the scene file contains uncompressed graphics data; and compressing the graphics data into a bitstream using the encoding parameters and generating a modified scene file and a modified mux file, when uncompressed graphics data is present in the scene file. Accordingly, it is possible to allow an author to easily express or compress three-dimensional (3D) graphics data using meta representation during authoring of 3D contents and generate an input file that can be input to an MPEG-4 encoder. Therefore, it is possible to visualize 3D graphics data or animation data in real time even at a low network bandwidth.

    摘要翻译： 提供了使用图形数据的压缩的元表示以及动画框架扩展（AFX）编码方法和装置来生成输入文件的方法和系统。 生成输入文件的方法包括准备定义压缩节点，编码参数和BitWrapperEncodingHints的可扩展MPEG-4文本（XMT）模式; 准备一个XMT2BIFS样式表，该表格支持将输入XMT文件转换为根据XMT架构的场景文件;以及XMT2MUX样式表，其支持根据XMT模式将输入的XMT文件转换为多路复用文件; 通过使用XMT2BIFS和XMT2MUX样式表，根据XMT模式解析输入的XMT文件，生成场景文件和mux文件; 确定场景文件是否包含未压缩的图形数据; 以及当所述场景文件中存在未压缩的图形数据时，使用所述编码参数将所述图形数据压缩为比特流并生成修改的场景文件和修改的多路复用文件。 因此，可以允许作者在创建3D内容期间使用元表示容易地表达或压缩三维（3D）图形数据，并且生成可输入到MPEG-4编码器的输入文件。 因此，即使在较低的网络带宽下也可以实时显示3D图形数据或动画数据。

    DATA PROCESSING METHOD AND APPARATUS IN HETEROGENEOUS MULTI-CORE ENVIRONMENT
    6.
    发明申请
    DATA PROCESSING METHOD AND APPARATUS IN HETEROGENEOUS MULTI-CORE ENVIRONMENT 审中-公开
    数据处理方法和异构多核环境中的装置

    公开(公告)号：US20120133660A1

    公开(公告)日：2012-05-31

    申请号：US13308007

    申请日：2011-11-30

    申请人： Gyeong Ja JANG ,  Choong Hun Lee ,  Seok Yoon Jung ,  Shi Hwa Lee

    发明人： Gyeong Ja JANG ,  Choong Hun Lee ,  Seok Yoon Jung ,  Shi Hwa Lee

    IPC分类号： G06F15/167

    CPC分类号： G06T15/005 ,  G06T2210/52

    摘要： A method and apparatus for processing data in a heterogeneous multi-core environment, capable of reducing data processing time by storing frames not having redundant data only among input frames in a shared memory. The apparatus compares a second frame with a first frame having a time difference with respect to a first frame, thereby determining identity between the first frame and the second frame. The apparatus stores address information related to the first frame or stores the second frame according to the determination result, thereby reducing quantity of data to be updated.

    摘要翻译： 一种用于在异构多核环境中处理数据的方法和装置，其能够通过仅在共享存储器中的输入帧之间存储不具有冗余数据的帧来减少数据处理时间。 该装置将第二帧与相对于第一帧具有时间差的第一帧进行比较，由此确定第一帧和第二帧之间的同一性。 该装置存储与第一帧相关的地址信息或根据确定结果存储第二帧，从而减少要更新的数据量。

    Depth image-based rendering method, medium, and system using splats
    7.
    发明授权
    Depth image-based rendering method, medium, and system using splats 有权
    深度基于图像的渲染方法，中等和系统使用splats

    公开(公告)号：US07800608B2

    公开(公告)日：2010-09-21

    申请号：US11594165

    申请日：2006-11-08

    申请人： Keun Ho Kim ,  Gyeong Ja Jang ,  Shin Jun Lee ,  Seok Yoon Jung ,  Mo Young Suh ,  Woo Nam Chung ,  Tack Don Han

    发明人： Keun Ho Kim ,  Gyeong Ja Jang ,  Shin Jun Lee ,  Seok Yoon Jung ,  Mo Young Suh ,  Woo Nam Chung ,  Tack Don Han

    IPC分类号： G06T15/00

    CPC分类号： G06T15/205

    摘要： A method, medium, and system of rendering image data, including receiving three-dimensional space data for each pixel forming the image data, the three-dimensional space data including depth and color information values for each pixel, determining an order of rendering for a plurality of surfaces forming the image data in an order of the distance between a rendering viewpoint and the surface forming the image data, generating splat depth information values for each splat included in the surface forming the image data, according to the rendering order, and determining whether the splat included in the surface forming the image data is required to be blended and accordingly selectively performing a blending on the splat.

    摘要翻译： 一种渲染图像数据的方法，媒体和系统，包括为形成图像数据的每个像素接收三维空间数据，三维空间数据包括每个像素的深度和颜色信息值，确定一个 多个表面，以渲染视点和形成图像数据的表面之间的距离的顺序形成图像数据，根据渲染顺序为包含在形成图像数据的表面中的每个骰子生成分割深度信息值，以及确定 是否需要混合包含在形成图像数据的表面中的splat，并且相应地选择性地在splat上进行混合。

    Method and system for generating input file using meta language regarding graphic data compression
    10.
    发明授权
    Method and system for generating input file using meta language regarding graphic data compression 有权
    用于使用元语言生成关于图形数据压缩的输入文件的方法和系统

    公开(公告)号：US07221801B2

    公开(公告)日：2007-05-22

    申请号：US10727659

    申请日：2003-12-05

    申请人： Gyeong-ja Jang ,  Do-kyoon Kim

    发明人： Gyeong-ja Jang ,  Do-kyoon Kim

    IPC分类号： G06K9/36 ,  G06K9/46 ,  G06T15/00 ,  G06T17/20 ,  G06T15/70 ,  G06T13/00 ,  G06F7/00

    CPC分类号： H04N21/23412 ,  H04N21/234318 ,  H04N21/44012 ,  H04N21/8543 ,  Y10S707/99942

    摘要： Provided are an input file generation method and system using a meta language regarding graphics data compression. The method includes making an extensible markup language (XML) schema that defines at least a compression node describing object data to be compressed, and parameters used to data compression; making style sheets which support conversion of an input XML file into a file, which is to be input to a data compression encoder, based on the XML schema; and generating a file, which is to be input to the data compression encoder, by parsing the input XML file based on the XML schema and the style sheets. Accordingly, an author can easily use and compress three-dimensional (3D) data using the meta language during authoring 3D contents. Further, the author can select a data compression format and controls data compression. Whether data is to be compressed or not and the format of data compression can be determined by representation of the metal language.

    摘要翻译： 提供了一种使用关于图形数据压缩的元语言的输入文件生成方法和系统。 该方法包括制作一个可扩展的标记语言（XML）模式，其定义至少一个描述要压缩的对象数据的压缩节点，以及用于数据压缩的参数; 基于XML模式，制作样式表，其支持将输入XML文件转换为要输入到数据压缩编码器的文件; 并通过基于XML模式和样式表解析输入的XML文件来生成要输入到数据压缩编码器的文件。 因此，作者可以在创作3D内容期间使用元语言轻松使用和压缩三维（3D）数据。 此外，作者可以选择数据压缩格式并控制数据压缩。 数据是否被压缩，数据压缩的格式可以通过金属语言的表示来确定。