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    • 1. 发明申请
    • 3D MESH MODEL AND METHOD FOR CREATING THE 3D MESH MODEL
    • 3D MESH模型和创建3D网格模型的方法
    • US20130265304A1
    • 2013-10-10
    • US13996469
    • 2010-12-23
    • Kangying CaiZhibo ChenWeiliang MengJun Teng
    • Kangying CaiZhibo ChenWeiliang MengJun Teng
    • G06T17/10
    • G06T17/10G06T17/005G06T17/20G06T19/00
    • For improving the compression efficiency of 3D model processing, easier discovering of repetitive patterns is required. The invention enables simplified and improved compression of 3D models by using a pattern-instance record table, which provides the pattern-instance relationship for all instances of repetitive patterns within a 3D object. A 3D mesh model comprises data of a first reference 3D mesh model, an electronic pattern-instance record table comprising first and second instance data, wherein the first instance data points to the first reference 3D mesh model and the second instance data points to the first or a further reference 3D mesh model, and an instance record for third instance data of at least one secondary 3D mesh model instance, wherein the third instance data comprise said first and second instance data or references to said first and second instance data.
    • 为了提高3D模型处理的压缩效率,需要更轻松地发现重复模式。 本发明通过使用模式实例记录表来简化和改进3D模型的压缩,该模式实例记录表为3D对象内的重复模式的所有实例提供了模式 - 实例关系。 3D网格模型包括第一参考3D网格模型的数据,包括第一和第二背景数据的电子模式实例记录表,其中所述第一背景数据指向所述第一参考3D网格模型,并且所述第二背景数据指向所述第一背景数据 或另外的参考3D网格模型,以及用于至少一个次要3D网格模型实例的第三实例数据的实例记录,其中所述第三背景数据包括所述第一和第二实例数据或对所述第一和第二实例数据的引用。
    • 3. 发明授权
    • Method and device for encoding a bit sequence
    • 用于编码位序列的方法和设备
    • US08009069B2
    • 2011-08-30
    • US12657246
    • 2010-01-15
    • Qu Qing ChenZhi Bo ChenKang Ying CaiJun Teng
    • Qu Qing ChenZhi Bo ChenKang Ying CaiJun Teng
    • H03M7/40
    • H03M7/40
    • The invention is related to a method and a device for encoding of a bit sequence. Said method comprises generating, for each run of Ones comprised in the bit sequence, a unary representation of length of the respective run of Ones, generating a first sequence by concatenating the generated unary representations of lengths of runs of Ones, generating, for each run of Zeroes comprised in the bit sequence, a unary representation of the length of the respective run of Zeroes, generating a second sequence by concatenating the generated unary representations of lengths of runs of Zeroes, and bit plane encoding the generated first and second sequence of unary representations. In most cases, overall entropy of bit planes of unary representations of run lengths is smaller than entropy of the bit sequence. Thus, more compact encoding can be achieved.
    • 本发明涉及一种用于编码比特序列的方法和装置。 所述方法包括为包含在比特序列中的每个游程生成Ones的相应运行的长度的一元表示,通过连接Ones的运行长度的所生成的一元表示来生成第一序列,为每个运行生成 包括在比特序列中的零的一元表示,相应的零运行的长度的一元表示,通过连接产生的零的运行长度的所生成的一元表示以及生成的第一和第二序列的位平面编码来生成第二序列 表示 在大多数情况下,游程长度的一元表示的位平面的总熵小于比特序列的熵。 因此,可以实现更紧凑的编码。
    • 5. 发明授权
    • Method and apparatus for encoding geometry patterns, and method for apparatus for decoding geometry patterns
    • 用于编码几何图案的方法和装置,以及用于解码几何图案的装置的方法
    • US09002121B2
    • 2015-04-07
    • US13825546
    • 2010-09-30
    • Kangying CaiJiheng YangJun TengZhijin Xia
    • Kangying CaiJiheng YangJun TengZhijin Xia
    • G06K9/36G06K9/34G06K9/62G06T17/00G06T9/00G06T17/10G06T15/04
    • G06T17/10G06T9/001G06T15/04G06T17/00
    • 3D models often have a large number of small to medium sized connected components, with small numbers of large triangles, often with arbitrary connectivity. The efficiency of compact representation of large multi-component 3D models can be improved by detecting and representing similarities between components thereof, even if the components are not exactly equal. The invention uses displacement maps for encoding two or more different but similar geometry patterns differentially, based on clustering and a cluster representative surface. A method for encoding a plurality of geometry patterns comprises detecting and encoding identical copies of geometrical patterns, detecting and clustering similar geometry patterns, and detecting partial similarity. The detecting partial similarity comprises generating a cluster representative surface, generating for at least one clustered geometry pattern a displacement map, and encoding the common surface and the displacement maps.
    • 3D模型通常具有大量的中小型连接组件,具有少量的大三角形,通常具有任意连接。 即使组件不完全相等,可以通过检测和表示其组件之间的相似性来提高大型多分量3D模型的紧凑表示的效率。 本发明使用位移图来基于聚类和簇代表性表面差异地编码两个或多个不同但相似的几何图形。 用于编码多个几何图案的方法包括检测和编码几何图案的相同副本,检测和聚类相似几何图案,以及检测部分相似性。 检测部分相似度包括生成聚簇代表性表面,为至少一个聚集几何图案生成位移图,以及对公共表面和位移图进行编码。
    • 6. 发明申请
    • METHOD FOR GENERATING MOTION SYNTHESIS DATA AND DEVICE FOR GENERATING MOTION SYNTHESIS DATA
    • 用于产生运动合成数据的方法和用于产生运动合成数据的装置
    • US20130300751A1
    • 2013-11-14
    • US13976608
    • 2010-12-29
    • Jun TengZhijin XiaKangying CaiJiheng Yang
    • Jun TengZhijin XiaKangying CaiJiheng Yang
    • G06T13/40
    • G06T13/40
    • A method for generating motion synthesis data from two recorded motion clips comprises transforming the motion frames to standard coordinates, separating HF motion data of the motion frames from LF motion data, determining from different motion clips at least two motion frames whose frame distance is below a threshold, and defining a transition point between the at least two motion frames, interpolating motion data between said determined motion frames separately for HF and LF motion data, and generating a motion path from three segments: one segment is transformed motion data from a first motion clip up to the transition point, one segment is the interpolated motion data, and one segment is transformed motion data from a second motion clip, starting from the transition point.
    • 用于从两个记录的运动剪辑产生运动合成数据的方法包括将运动帧变换为标准坐标,将运动帧的HF运动数据与LF运动数据分离,从不同的运动剪辑确定帧距离低于 阈值,并且在所述至少两个运动帧之间定义转换点,在HF和LF运动数据之间分别插入所确定的运动帧之间的运动数据,以及从三个段生成运动路径:一段是来自第一运动的变换的运动数​​据 剪切到转换点,一个段是内插运动数据,一个段从第二个运动剪辑转换运动数据,从转换点开始。