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    • 32. 发明授权
    • User request processing method and apparatus using upstream channel in interactive multimedia contents service
    • 在交互式多媒体内容服务中使用上行信道的用户请求处理方法和装置
    • US07302464B2
    • 2007-11-27
    • US09802847
    • 2001-03-12
    • Sung-jin KimDo-kyoon Kim
    • Sung-jin KimDo-kyoon Kim
    • G06F15/16H04N7/16
    • H04N21/23412H04N21/234318H04N21/44012H04N21/443H04N21/4725H04N21/6375H04N21/6377H04N21/6473H04N21/658
    • A user request processing method and apparatus, using an upstream channel, is provided, in which if a user request of predetermined processing for some predetermined nodes in interactive multimedia contents services, preferably, in an MPEG-4 binary format for a scene (BIFS) scene occurs, the user terminal forms an upstream channel message for the BIFS scene and transmits the message to the server through upstream channels, and the server processes and encodes the corresponding BIFS scene nodes and then transmits the nodes to the terminal. According to the methods and apparatuses, by properly handing events of user requests on partial elements in an arbitrary multimedia content provided for the user as interactive multimedia contents services, predetermined elements can be selectively processed. Therefore, information volume to be transmitted for restoration from an error can be minimized, and the terminal can quickly receive restored information.
    • 提供了一种使用上行信道的用户请求处理方法和装置,其中,如果对于交互式多媒体内容服务中的某些预定节点的用户请求,优选地以用于场景(BIFS)的MPEG-4二进制格式, 用户终端形成用于BIFS场景的上行信道消息,并通过上行信道将消息发送给服务器,服务器对相应的BIFS场景节点进行处理和编码,然后将节点发送给终端。 根据这些方法和装置,通过将为用户提供的任意多媒体内容中的部分元素的用户请求的事件适当地交给作为交互式多媒体内容服务,可以选择性地处理预定元素。 因此,可以将从错误发送的用于恢复的信息量最小化,并且终端可以快速接收恢复的信息。
    • 34. 发明申请
    • 3D object graphics processing apparatus and 3D scene graph processing apparatus
    • 3D对象图形处理装置和3D场景图处理装置
    • US20050151747A1
    • 2005-07-14
    • US10963551
    • 2004-10-14
    • Do-kyoon KimMahn-jin HanJeong-hwan AhnSang-oak Woo
    • Do-kyoon KimMahn-jin HanJeong-hwan AhnSang-oak Woo
    • G06T1/20G06T15/00G06T17/00
    • G06T15/00G06T17/005G06T2210/61
    • Provided are a 3D object graphics processing apparatus and a 3D scene graph processing apparatus. A 3D object graphics processing apparatus includes: an Appearance processing unit defining an appearance of a 3D object; a Material processing unit defining material of the appearance of the 3D object; an IndexedFaceSet processing unit defining the 3D object by using faces formed in coordinates; an IndexedLineSet processing unit defining the 3D object by using lines formed in the coordinates; a Color processing unit defining colors of the 3D object; a Coordinate processing unit defining the coordinates of the 3D object; a TextureCoordinate processing unit defining coordinate values for a texture of the appearance of the 3D object; a DirectionalLight processing unit defining a light illuminated from an infinitely distant light source in a predetermined direction in parallel; a PointLight processing unit defining a light generated from a single point source and illuminated symmetrically to all directions; a SpotLight processing unit defining a light generated from a single point source and illuminated in a particular direction within a predetermined angle range; and a Shape processing unit defining a shape of the 3D object of which the appearance has been already defined by the Appearance processing unit. Therefore, it is possible to create a 3D object by using a small number of 3D object graphics tools, so that burdens on a memory device and the size and weight of hardware can be reduced.
    • 提供了3D对象图形处理装置和3D场景图处理装置。 3D对象图形处理装置包括:外观处理单元,其界定3D对象的外观; 材料处理单元,其定义3D对象的外观材料; IndexedFaceSet处理单元通过使用坐标中形成的面来定义3D对象; IndexedLineSet处理单元,通过使用在坐标中形成的线来定义3D对象; 定义3D对象的颜色的颜色处理单元; 定义3D对象的坐标的坐标处理单元; 纹理坐标处理单元,定义3D对象的外观的纹理的坐标值; 定向光处理单元,其在预定方向上平行地限定从无限远的光源照射的光; PointLight处理单元,定义从单个点源产生的光,并对所有方向对称地照亮; SpotLight处理单元,定义从单个点源产生并在预定角度范围内沿特定方向照亮的光; 以及形状处理单元,其定义外观处理单元已经定义了外观的3D对象的形状。 因此,可以通过使用少量的3D对象图形工具来创建3D对象,从而可以减少存储器件的负担以及硬件的尺寸和重量。
    • 37. 发明授权
    • Method and apparatus to generate 3D volume-panorama image based on 3D volume images
    • 基于3D体积图像生成3D体积全景图像的方法和装置
    • US09235932B2
    • 2016-01-12
    • US13552880
    • 2012-07-19
    • Ouk ChoiYong-sun KimJung-ho KimSeong-deok LeeDo-kyoon Kim
    • Ouk ChoiYong-sun KimJung-ho KimSeong-deok LeeDo-kyoon Kim
    • G06T17/00G06K9/46G06T19/00G06T7/00G06T3/40
    • G06T19/00G06T3/4038G06T7/33G06T2207/10136G06T2207/30044
    • A method and apparatus to generate a volume-panorama image based on three-dimensional (3D) volume images is provided. A method of generating a volume-panorama image includes receiving pieces of image data of one or more volume images, extracting partial regions including one or more voxels from the volume images, determining a global conversion function representing a relationship of a conversion between a second volume image of the volume images and a first volume image of the volume images, the determined global conversion function being based on a conversion function representing a relationship of a conversion between one of the extracted partial regions of the second volume image and one of the extracted partial regions of the first volume image, and generating image data of a volume image to be combined with the first volume image from image data of the second volume image based on the determined global conversion function.
    • 提供了一种基于三维(3D)体积图像生成体积全景图像的方法和装置。 一种产生体积全景图像的方法包括接收一个或多个体积图像的图像数据片段,从体积图像中提取包括一个或多个体素的部分区域,确定表示第二体积之间的转换关系的全局变换函数 体积图像的图像和体积图像的第一体积图像,所确定的全局变换功能基于表示第二体积图像的提取的部分区域之一与所提取的部分之一之间的转换的关系的转换函数 基于所确定的全局变换函数,从第二卷图像的图像数据生成要与第一卷图像组合的卷图像的图像数据。
    • 39. 发明申请
    • METHOD AND APPARATUS TO GENERATE 3D VOLUME-PANORAMA IMAGE BASED ON 3D VOLUME IMAGES
    • 基于3D体积图像生成3D体积全景图像的方法和装置
    • US20130021341A1
    • 2013-01-24
    • US13552880
    • 2012-07-19
    • Ouk ChoiYong-sun KimJung-ho KimSeong-deok LeeDo-kyoon Kim
    • Ouk ChoiYong-sun KimJung-ho KimSeong-deok LeeDo-kyoon Kim
    • G06T17/00
    • G06T19/00G06T3/4038G06T7/33G06T2207/10136G06T2207/30044
    • A method and apparatus to generate a volume-panorama image based on three-dimensional (3D) volume images is provided. A method of generating a volume-panorama image includes receiving pieces of image data of one or more volume images, extracting partial regions including one or more voxels from the volume images, determining a global conversion function representing a relationship of a conversion between a second volume image of the volume images and a first volume image of the volume images, the determined global conversion function being based on a conversion function representing a relationship of a conversion between one of the extracted partial regions of the second volume image and one of the extracted partial regions of the first volume image, and generating image data of a volume image to be combined with the first volume image from image data of the second volume image based on the determined global conversion function.
    • 提供了一种基于三维(3D)体积图像生成体积全景图像的方法和装置。 一种产生体积全景图像的方法包括接收一个或多个体积图像的图像数据片段,从体积图像中提取包括一个或多个体素的部分区域,确定表示第二体积之间的转换关系的全局变换函数 体积图像的图像和体积图像的第一体积图像,所确定的全局变换功能基于表示第二体积图像的提取的部分区域之一与所提取的部分之一之间的转换的关系的转换函数 基于所确定的全局变换函数,从第二卷图像的图像数据生成要与第一卷图像组合的卷图像的图像数据。