公开(公告)号：US20100134787A1

公开(公告)日：2010-06-03

申请号：US12511803

申请日：2009-07-29

申请人： Kyoungheon Kim ,  Seunghwan Kim ,  Seounghun Lee ,  Elhang Lee

发明人： Kyoungheon Kim ,  Seunghwan Kim ,  Seounghun Lee ,  Elhang Lee

IPC分类号： G01N21/00 ,  G01B9/02 ,  G06F15/00

CPC分类号： G01M11/335 ,  G01M11/331 ,  G01M11/338

摘要： The present invention relates to a measurement method of the chromatic dispersion of an optical waveguide using an optical interferometer with a broadband multi-wavelength light source and an optical spectrum analyzing apparatus, wherein one arm, called “reference arm” of the interferometer's two arms has an adjustable air spacing and the other arm, called “sample arm” can contain said optical waveguide to be measured, and including the following measurement and analysis steps: measuring interference spectra of the optical beam output exiting from the said interferometer with an optical spectrum analyzing apparatus when said optical waveguide is connected to said sample arm, and when said optical waveguide is not connected to said sample arm respectively; by adjusting the reference arm length for appearance of clear interference patterns; converting the wavelength-domain interference spectra into frequency-domain interference spectra and calculating phase difference values of the interference peaks of one of the spectra from a predetermined reference peak as a function of the frequency change by counting the interference peak (or valley) points; finding a Taylor series curve fit function for each set of the phase difference value data corresponding to each of the two interference spectra; and calculating a chromatic dispersion coefficient of the optical waveguide by using the coefficients of the Taylor series curve fit functions.

摘要翻译： 本发明涉及使用具有宽带多波长光源的光学干涉仪和光谱分析装置的光波导的色散的测量方法，其中干涉仪的两个臂的称为“参考臂”的一个臂具有 称为“样品臂”的可调节空气间距可以包含待测量的所述光波导，并且包括以下测量和分析步骤：测量从所述干涉仪离开的光束输出的干涉光谱与光谱分析 当所述光波导连接到所述样品臂时，并且当所述光波导分别不连接到所述样品臂时， 通过调整参考臂的长度来显现干扰图形的清晰度; 将波长域干涉光谱转换成频域干涉光谱，并通过对干扰峰（或谷）点进行计数，计算作为频率变化的函数的来自预定参考峰的一个频谱的干扰峰的相位差值; 针对与两个干涉光谱中的每一个相对应的每组相位差值数据，找到泰勒级数曲线拟合函数; 以及通过使用泰勒级数曲线拟合函数的系数来计算光波导的色散系数。

公开(公告)号：US08040523B2

公开(公告)日：2011-10-18

申请号：US12511803

申请日：2009-07-29

申请人： Kyong Hon Kim ,  Seunghwan Kim ,  Seounghun Lee ,  Elhang Lee

发明人： Kyong Hon Kim ,  Seunghwan Kim ,  Seounghun Lee ,  Elhang Lee

IPC分类号： G01B9/02 ,  G01J3/45 ,  G01N21/00

CPC分类号： G01M11/335 ,  G01M11/331 ,  G01M11/338

摘要： The present invention relates to a measurement method of the chromatic dispersion of an optical waveguide using an optical interferometer with a broadband multi-wavelength light source and an optical spectrum analyzing apparatus, wherein one arm, called “reference arm” of the interferometer's two arms has an adjustable air spacing and the other arm, called “sample arm” can contain said optical waveguide to be measured, and including the following measurement and analysis steps: measuring interference spectra of the optical beam output exiting from the said interferometer with an optical spectrum analyzing apparatus when said optical waveguide is connected to said sample arm, and when said optical waveguide is not connected to said sample arm respectively; by adjusting the reference arm length for appearance of clear interference patterns; converting the wavelength-domain interference spectra into frequency-domain interference spectra and calculating phase difference values of the interference peaks of one of the spectra from a predetermined reference peak as a function of the frequency change by counting the interference peak (or valley) points; finding a Taylor series curve fit function for each set of the phase difference value data corresponding to each of the two interference spectra; and calculating a chromatic dispersion coefficient of the optical waveguide by using the coefficients of the Taylor series curve fit functions.

摘要翻译： 本发明涉及使用具有宽带多波长光源的光学干涉仪和光谱分析装置的光波导的色散的测量方法，其中干涉仪的两个臂的称为“参考臂”的一个臂具有 称为“样品臂”的可调节空气间距可以包含待测量的所述光波导，并且包括以下测量和分析步骤：测量从所述干涉仪离开的光束输出的干涉光谱与光谱分析 当所述光波导连接到所述样品臂时，并且当所述光波导分别不连接到所述样品臂时， 通过调整参考臂的长度来显现干扰图形的清晰度; 将波长域干涉光谱转换成频域干涉光谱，并通过对干扰峰（或谷）点进行计数，计算作为频率变化的函数的来自预定参考峰的一个频谱的干扰峰的相位差值; 针对与两个干涉光谱中的每一个相对应的每组相位差值数据，找到泰勒级数曲线拟合函数; 以及通过使用泰勒级数曲线拟合函数的系数来计算光波导的色散系数。

公开(公告)号：US07983461B2

公开(公告)日：2011-07-19

申请号：US12111320

申请日：2008-04-29

申请人： Sooyeol Lee ,  Jeong Won Lee ,  Seunghwan Kim ,  Seon Hee Park

发明人： Sooyeol Lee ,  Jeong Won Lee ,  Seunghwan Kim ,  Seon Hee Park

IPC分类号： G06K9/00

CPC分类号： G06T7/60 ,  G06T7/12 ,  G06T2207/10116 ,  G06T2207/30008

摘要： Provided is a method and an apparatus for extracting an edge of a distal radius metaphysis. The method includes: setting a region of interest including a distal radius in an X-ray image; setting a potential energy distribution of the region of interest by using a gradient of gray levels; setting a temporary edge adjacent to both sides of a distal radius metaphysis and a side of an epiphysis in the region of interest; and extracting a detailed edge of the distal radius metaphysis having minimum energy by adjusting the set temporary edge using a metropolis annealing technique.

摘要翻译： 提供了一种用于提取远端半缘干an端的边缘的方法和装置。 该方法包括：在X射线图像中设置包括远端半径的感兴趣区域; 通过使用灰度梯度来设定感兴趣区域的势能分布; 在远端半窝干to端的两侧和感兴趣区域的骨ysis侧面临近临时边缘; 并使用大都市退火技术通过调整设定的临时边缘来提取具有最小能量的远端桡骨干a端的详细边缘。

公开(公告)号：US20080139933A1

公开(公告)日：2008-06-12

申请号：US11877883

申请日：2007-10-24

申请人： Ji Wook Jeong ,  Sooyeul Lee ,  Jeong Won Lee ,  Done Sik Yoo ,  Seunghwan Kim

发明人： Ji Wook Jeong ,  Sooyeul Lee ,  Jeong Won Lee ,  Done Sik Yoo ,  Seunghwan Kim

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B8/587 ,  G09B23/286

摘要： Provided are a phantom for standardizing ultrasonograph and a method of obtaining an ultrasonographic image using the phantom, and more particularly, a phantom for measuring fat content in a target organ as a gray level distribution using an ultrasonographic image and assessing the accuracy of ultrasonograph and a method and apparatus for obtaining a standardized ultrasonographic image using the phantom. Since the photographing characteristics of the ultrasonograph are readjusted using a phantom which comprises a phantom part including a strong ultrasonic echo material and a weak ultrasonic echo material, which create a gray level distribution in ultrasonography, in a specific composition and ratio, and assesses the accuracy of the ultrasonograph by comparing the composition and ratio of the materials with a composition and ratio of a gray level in an ultrasonographic image, the characteristics of the ultrasonograph can be standardized and fat content in a body part can be quantitatively measured without being affected by photographing techniques and conditions.

摘要翻译： 提供了一种用于标准化超声波诊断的体模和使用该体模获得超声图像的方法，更具体地，使用超声波图像来评估靶器官中的脂肪含量的模型作为灰度分布，并且评估超声波检查仪的精度和 用于使用该模体获得标准化超声图像的方法和装置。 由于使用包含强超声波回波材料和弱超声波回波材料的体模部分的体模，以特定的组成和比例，在超声检查中产生灰度分布，从而对超声波检查仪的拍摄特性进行重新调整，并且评估精度 通过比较超声波成像的组成和比例与超声图像中的灰度等级的组成和比例，超声波检查仪的特征可以被标准化，并且可以定量测量身体部位的脂肪含量而不受摄影的影响 技术和条件。

公开(公告)号：US07046834B2

公开(公告)日：2006-05-16

申请号：US10029103

申请日：2001-12-21

申请人： Sooyeul Lee ,  Seunghwan Kim ,  Ji-Wook Jeong ,  Seon Hee Park

发明人： Sooyeul Lee ,  Seunghwan Kim ,  Ji-Wook Jeong ,  Seon Hee Park

IPC分类号： G01K9/00 ,  G01N23/04 ,  G01T1/36 ,  G01B15/02

CPC分类号： A61B6/505 ,  A61B6/469 ,  G06T7/0012

摘要： A method for measuring a bone mineral density, by use of an x-ray image, in a bone mineral density measuring system, includes the steps of: (a) obtaining an X-ray image of bone; (b) setting a region of interest on the obtained X-ray image of bone; (c) calculating a background trend due to soft tissues, at a bone portion within the selected region of interest; and (d) calculating an index of the bone mineral density by removing the background trend due to the soft tissues, at the bone portion within the selected region of interest.

公开(公告)号：US07952959B2

公开(公告)日：2011-05-31

申请号：US11877883

申请日：2007-10-24

申请人： Ji Wook Jeong ,  Sooyeul Lee ,  Jeong Won Lee ,  Done Sik Yoo ,  Seunghwan Kim

发明人： Ji Wook Jeong ,  Sooyeul Lee ,  Jeong Won Lee ,  Done Sik Yoo ,  Seunghwan Kim

IPC分类号： A61B8/00

CPC分类号： A61B8/08 ,  A61B8/587 ,  G09B23/286

摘要： Provided are a phantom for standardizing ultrasonograph and a method of obtaining an ultrasonographic image using the phantom, and more particularly, a phantom for measuring fat content in a target organ as a gray level distribution using an ultrasonographic image and assessing the accuracy of ultrasonograph and a method and apparatus for obtaining a standardized ultrasonographic image using the phantom. Since the photographing characteristics of the ultrasonograph are readjusted using a phantom which comprises a phantom part including a strong ultrasonic echo material and a weak ultrasonic echo material, which create a gray level distribution in ultrasonography, in a specific composition and ratio, and assesses the accuracy of the ultrasonograph by comparing the composition and ratio of the materials with a composition and ratio of a gray level in an ultrasonographic image, the characteristics of the ultrasonograph can be standardized and fat content in a body part can be quantitatively measured without being affected by photographing techniques and conditions.

摘要翻译： 提供了一种用于标准化超声波诊断的体模和使用该体模获得超声图像的方法，更具体地，使用超声波图像来评估靶器官中的脂肪含量的模型作为灰度分布，并且评估超声波检查仪的精度和 用于使用该模体获得标准化超声图像的方法和装置。 由于使用包含强超声波回波材料和弱超声波回波材料的体模部分的体模，以特定的组成和比例，在超声检查中产生灰度分布，从而对超声波检查仪的拍摄特性进行重新调整，并且评估精度 通过比较超声波成像的组成和比例与超声图像中的灰度等级的组成和比例，超声波检查仪的特征可以被标准化，并且可以定量测量身体部位的脂肪含量而不受摄影的影响 技术和条件。

公开(公告)号：US20100191090A1

公开(公告)日：2010-07-29

申请号：US12595882

申请日：2008-01-25

申请人： Seungchul Shin ,  Young-Ju Jeon ,  Seunghwan Kim

发明人： Seungchul Shin ,  Young-Ju Jeon ,  Seunghwan Kim

IPC分类号： A61B5/0416 ,  A61B5/04 ,  A61B5/0492

CPC分类号： A61B5/0205 ,  A61B5/6831

摘要： A multi-channel electrode sensor apparatus for measuring a plurality of physiological signals is provided. The multi-channel electrode sensor apparatus includes a multi-channel electrode having a plurality of electrodes that are weaved using respective conductive yarns to measure potential differences of a plurality of physiological signals and an insulation fabric that is weaved using a non-conductive yarn to insulate the electrodes from each other and a snap connection unit that connects the multi-channel electrode to a measuring device to transmit the physiological signals to the measuring device.

摘要翻译： 提供了一种用于测量多个生理信号的多通道电极传感器装置。 多通道电极传感器装置包括具有多个电极的多沟道电极，多个电极使用相应的导电纱线编织以测量多个生理信号的电位差，以及使用非导电纱线编织的绝缘织物以绝缘 彼此相对的电极和将多通道电极连接到测量装置的卡扣连接单元，以将生理信号传输到测量装置。

公开(公告)号：US20090191985A1

公开(公告)日：2009-07-30

申请号：US12382797

申请日：2009-03-24

申请人： Yong Won Jang ,  Seunghwan Kim

发明人： Yong Won Jang ,  Seunghwan Kim

IPC分类号： A63B69/36

CPC分类号： A63B69/3608 ,  A63B2071/0625 ,  A63B2071/0627 ,  A63B2071/0694 ,  A63B2209/10

摘要： A golf swing posture correction apparatus and method therefor are provided. Provided is the golf swing posture correction system apparatus capable of detecting movement of an anchored leg in a golf swing and notifying a user, thereby correcting a golf swing posture. The anchored leg is a left leg for a right-handed person and a right leg for a left-handed person. The golf swing posture correction apparatus detects the movement of the anchored leg, and processes a detected signal, thereby generating sound via a speaker or vibration.

公开(公告)号：US06560474B2

公开(公告)日：2003-05-06

申请号：US09858685

申请日：2001-05-15

申请人： Sooyeul Lee ,  Seunghwan Kim ,  Hyeon-Bong Pyo ,  Sangkyung Lee ,  Seon Hee Park

发明人： Sooyeul Lee ,  Seunghwan Kim ,  Hyeon-Bong Pyo ,  Sangkyung Lee ,  Seon Hee Park

IPC分类号： A61B505

CPC分类号： G06T7/0012

摘要： A method for evaluating a structural strength of cancellous bone and a computer readable media incorporating a program for implementing the method therein. The method includes the steps of acquiring an x-ray image and defining a region of interest on the acquired x-ray image; extracting a bone trabecular pattern in the defined region of interest; and setting an index of the structural strength of the cancellous bone using an area density of the extracted bone trabecular pattern.

摘要翻译： 用于评估松质骨结构强度的方法和包含用于在其中实施该方法的程序的计算机可读介质。 该方法包括以下步骤：获取X射线图像并在获取的X射线图像上定义感兴趣的区域; 在限定的感兴趣区域中提取骨小梁模式; 并使用提取的骨小梁模式的面积密度设定松质骨的结构强度的指标。

公开(公告)号：US08768021B2

公开(公告)日：2014-07-01

申请号：US13470198

申请日：2012-05-11

申请人： Donghoon Yu ,  Sooyeul Lee ,  Jeong Won Lee ,  Seunghwan Kim

发明人： Donghoon Yu ,  Sooyeul Lee ,  Jeong Won Lee ,  Seunghwan Kim

IPC分类号： G06K9/00

CPC分类号： G06T7/0012 ,  G06T2207/10132 ,  G06T2207/20056 ,  G06T2207/20192 ,  G06T2207/30068

摘要： Provided is a device and method for calculating a lesion feature. The device includes a border discriminator configured to discriminate a border of a lesion on an image of an image signal, a border sharpness normalizer configured to normalize a border sharpness based on the border determined by the border discriminator and output the normalized border sharpness as a feature, and a vector generator configured to generate a vector having the feature outputted from the border discriminator as a component. Therefore, by using the lesion feature calculating device and method according to embodiments of the present invention, types of lesions on ultrasonic images are classified based on the borders of the lesions.

摘要翻译： 提供了一种用于计算病变特征的装置和方法。 该装置包括：边界鉴别器，其被配置为鉴别图像信号的图像上的病变的边界;边界锐度归一化器，被配置为基于由边界鉴别器确定的边界来规范边界锐度，并将归一化的边界锐度作为特征输出 以及矢量生成器，被配置为生成具有从边界鉴别器输出的特征的矢量作为分量。 因此，通过使用根据本发明的实施方式的病变特征计算装置和方法，基于病变的边界对超声波图像上的病变类型进行分类。