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    • 14. 发明申请
    • SLOPE-BASED FAST INTRINSIC MODE FUNCTIONS DECOMPOSITION METHOD AND APPARATUS
    • 基于SLOPE的快速内在模式功能分解方法和设备
    • US20110161053A1
    • 2011-06-30
    • US12651387
    • 2009-12-31
    • Yi-Jung WangGuo-Zua WuChih-Chi ChangOscal Tzyh-Chiang Chen
    • Yi-Jung WangGuo-Zua WuChih-Chi ChangOscal Tzyh-Chiang Chen
    • G06F15/00
    • G06F17/14
    • An apparatus for analyzing a physical signal representing a physical phenomenon is provided. The apparatus comprises an analog-to-digital converter, a slope calculator, a local extrema identifier, a residual signal constructor and an intrinsic mode function (IMF) extractor. The analog-to-digital converter is used to convert the physical signal into a plurality of data points. The slope calculator is used to calculate slope of each data point. The local extrema identifier is used to identify a plurality of local extrema of the slopes. The residual signal constructor is used to construct a residual signal of the physical signal from the data points corresponding to the local extrema of slopes. An IMF extractor is used to extract an intrinsic mode function indicative of an intrinsic oscillatory mode in the physical phenomenon by subtracting the residual signal from the physical signal. A method for analyzing a physical signal representing a physical phenomenon is provided.
    • 提供一种用于分析表示物理现象的物理信号的装置。 该装置包括模拟 - 数字转换器,斜率计算器,局部极值标识符,残留信号构造器和固有模式功能(IMF)提取器。 模拟 - 数字转换器用于将物理信号转换成多个数据点。 斜率计算器用于计算每个数据点的斜率。 局部极值标识符用于识别斜率的多个局部极值。 剩余信号构造函数用于从对应于斜率局部极值的数据点构建物理信号的残差信号。 IMF提取器用于通过从物理信号中减去残留信号来提取表示物理现象中的固有振荡模式的固有模式函数。 提供了一种用于分析表示物理现象的物理信号的方法。
    • 17. 发明申请
    • ULTRASOUND IMAGE REGISTRATION APPARATUS AND METHOD THEREOF
    • 超声图像注册装置及其方法
    • US20130044929A1
    • 2013-02-21
    • US13304316
    • 2011-11-24
    • Wei-Cheng LuGuo-Zua Wu
    • Wei-Cheng LuGuo-Zua Wu
    • G06K9/00
    • G06T7/0028G06T7/33G06T2207/10132G06T2207/30004
    • The disclosure provides an ultrasound image registration apparatus and a method thereof suitable for registering two ultrasound images partially overlapped with each other. The apparatus comprises: a first-stage image-developing processing module, a second-stage image-developing processing module and a registration module. The first-stage image-developing processing module performs beam-forming processing on two ultrasound images so as to generate two raw images. The second-stage image-developing processing module connects the first-stage module for performing envelope detection processing and compression processing on the raw images so as to generate two developed ultrasound images. The registration module connects the two image-developing processing modules for respectively obtaining coordinate information of at least one feature point of the raw images as the initial values of an image registration procedure, and for performing speckles-reducing processing on the developed ultrasound images and using the speckles-reduced ultrasound images to perform the image registration procedure.
    • 本发明提供了一种超声图像配准装置及其方法,其适用于将两个部分重叠的超声图像对准。 该装置包括:第一级图像显影处理模块,第二级图像显影处理模块和注册模块。 第一级图像显影处理模块对两个超声图像执行波束成形处理,以生成两个原始图像。 第二级图像显影处理模块连接用于对原始图像进行包络检测处理和压缩处理的第一级模块,以产生两个显影的超声图像。 注册模块将两个图像显影处理模块连接,以分别获得原始图像的至少一个特征点的坐标信息作为图像注册过程的初始值,并且用于对所开发的超声图像进行减少斑点处理,并使用 斑点减少的超声图像以执行图像注册过程。
    • 18. 发明授权
    • Method for encoding images according to object shapes
    • 根据物体形状编码图像的方法
    • US07565023B2
    • 2009-07-21
    • US11043920
    • 2005-01-28
    • Yin-Tsung HwangKuei-Hung ChengShi-Shen WangSung-Bo ChenGuo-Zua Wu
    • Yin-Tsung HwangKuei-Hung ChengShi-Shen WangSung-Bo ChenGuo-Zua Wu
    • G06K9/46
    • G06T9/20H04N19/647
    • A method for encoding images according to object shapes is provided. The method enables reduced usage of storage space when an image encoding system encodes a received image frame. The method uses a bottom-up and sequential approach for encoding coefficients. The coefficients in each subband are numbered using a tree structure, wherein level N subband is designated as a root of the whole tree, level (N-1) subbands are designated as roots of subtrees, and level (N=1) subbands are designated as terminal nodes of subtrees. The terminal nodes for one of the subtrees are numbered first, and then this subtree is numbered in the bottom-up sequence. After that, the terminal nodes for another subtree are numbered, and this numbering sequence continues to number all the other subtrees until the root of the tree has been numbered, so as to allow a bottom-up encoding process for the coefficient to be performed.
    • 提供了一种根据对象形状编码图像的方法。 当图像编码系统对接收的图像帧进行编码时,该方法能够减少存储空间的使用。 该方法使用自下而上和顺序的方法来编码系数。 使用树结构对每个子带中的系数进行编号,其中将N级子带指定为全树的根,级(N-1)个子带被指定为子树的根,并且指定级(N = 1)个子带 作为子树的终端节点。 子树之一的终端节点首先编号,然后该子树以自下而上的顺序编号。 之后,对于另一个子树的终端节点进行编号,并且该编号序列继续对所有其他子树进行编号,直到树的根被编号,以便允许执行系数的自底向上编码处理。