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    • 3. 发明授权
    • Phantom for standardizing ultrasonograph and method of obtaining standardized ultrasonographic image using the phantom
    • 用于标准化超声波检查的幻影和使用幻影获得标准化超声图像的方法
    • US07952959B2
    • 2011-05-31
    • US11877883
    • 2007-10-24
    • Ji Wook JeongSooyeul LeeJeong Won LeeDone Sik YooSeunghwan Kim
    • Ji Wook JeongSooyeul LeeJeong Won LeeDone Sik YooSeunghwan Kim
    • A61B8/00
    • A61B8/08A61B8/587G09B23/286
    • 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.
    • 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。
    • 5. 发明申请
    • PHANTOM FOR STANDARDIZING ULTRASONOGRAPH AND METHOD OF OBTAINING STANDARDIZED ULTRASONOGRAPHIC IMAGE USING THE PHANTOM
    • 用于标准超声波的标准和使用PHANTOM获得标准超声波图像的方法
    • US20080139933A1
    • 2008-06-12
    • US11877883
    • 2007-10-24
    • Ji Wook JeongSooyeul LeeJeong Won LeeDone Sik YooSeunghwan Kim
    • Ji Wook JeongSooyeul LeeJeong Won LeeDone Sik YooSeunghwan Kim
    • A61B8/00
    • A61B8/08A61B8/587G09B23/286
    • 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.
    • 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。
    • 8. 发明授权
    • Method for calibrating trabecular index using sawtooth-shaped rack
    • 使用锯齿形机架校准小梁指数的方法
    • US06377653B1
    • 2002-04-23
    • US09498319
    • 2000-02-04
    • Sooyeul LeeHyeon-Bong PyoSeunghwan KimSeon Hee Park
    • Sooyeul LeeHyeon-Bong PyoSeunghwan KimSeon Hee Park
    • G01B1502
    • A61B6/505A61B6/583
    • A method for calibrating a trabecular index with a sawtooth-shaped rack which corrects an error in the trabecular index due to the characteristics of an image input device or radiographic conditions of an x-ray image when a bone mineral density is measured by setting up the trabecular index with trabecular patterns of a simple x-ray image. The present invention includes a method for calibrating the trabecular index with a sawtooth-shaped rack, wherein bone mineral density is measured with the trabecular index calculated from an x-ray image and an error in the trabecular index is calibrated by a method of calibrating the trabecular index, the method includes the following steps. A first step is preparing an x-ray image by radiographing a bone and a sawtooth-shaped rack together. A second step is attaining trabecular indexes from the x-ray image of the rack and the bone. And, a third step is calibrating the trabecular index of the bone with the trabecular index of the rack.
    • 一种用锯齿形齿条校准小梁索引的方法,其通过图像输入装置的特征或者通过设置骨密度来测量骨密度来测量X射线图像的特征时校正小梁指数的误差 小梁指数与小梁模式的简单x射线图像。 本发明包括用锯齿形齿条校准小梁指数的方法,其中用从X射线图像计算的小梁指数测量骨矿物质密度,并且通过校准所述小梁指数的方法来校准所述小梁指数的误差 小梁指数,该方法包括以下步骤。 第一步是通过将骨头和锯齿形架架放在一起来准备X射线图像。 第二步是从架子和骨骼的x射线图像获得小梁指数。 而且,第三步是用骨架的小梁指数校正骨小梁指数。
    • 9. 发明授权
    • Method and device for measuring pulmonary nodule volume using dual-energy substraction image
    • 使用双能量减影图像测量肺结节体积的方法和装置
    • US07734080B2
    • 2010-06-08
    • US11633175
    • 2006-12-04
    • Sooyeul LeeJeong Won LeeSeunghwan Kim
    • Sooyeul LeeJeong Won LeeSeunghwan Kim
    • G06K9/00G06K9/36G06K9/32
    • G06K9/00G06K2209/053
    • A method and a device for measuring a pulmonary nodule volume using a dual-energy subtraction image are provided. The method includes: (a) obtaining a dual-energy subtraction image of a chest; (b) setting a specific region including a pulmonary nodule region in the obtained dual-energy subtraction image; (c) interpolating a gray level trend of a region surrounding the pulmonary nodule region into the pulmonary nodule region using a fitting function; and (d) measuring the pulmonary nodule volume by subtracting the interpolation result from the gray level data of the pulmonary nodule region. Accordingly, when it is desired to measure the pulmonary nodule volume using the dual-energy subtraction image, information on the thickness of the pulmonary nodule is obtained from the characteristic of the dual-energy subtraction image, and the pulmonary nodule volume is accurately measured by correcting errors at the border of the pulmonary nodule region using the fitting function.
    • 提供了一种使用双能量减影图像测量肺结节体积的方法和装置。 该方法包括:(a)获得胸部的双能量减影图像; (b)在获得的双能量减影图像中设定包括肺结节区域的特定区域; (c)使用拟合函数将肺结节区域周围的区域的灰度级趋势内插到肺结节区域; 以及(d)通过从肺结节区域的灰度级数据中减去内插结果来测量肺结节体积。 因此,当希望使用双能量减影图像测量肺结节体积时,从双能量减影图像的特征获得关于肺结节厚度的信息,并且通过以下方式精确地测量肺结节体积: 使用拟合函数校正肺结节区域边界的误差。
    • 10. 发明申请
    • Method and device for measuring pulmonary nodule volume using dual-energy substraction image
    • 使用双能量减影图像测量肺结节体积的方法和装置
    • US20070133854A1
    • 2007-06-14
    • US11633175
    • 2006-12-04
    • Sooyeul LeeJeong Won LeeSeunghwan Kim
    • Sooyeul LeeJeong Won LeeSeunghwan Kim
    • G06K9/00
    • G06K9/00G06K2209/053
    • A method and a device for measuring a pulmonary nodule volume using a dual-energy subtraction image are provided. The method includes: (a) obtaining a dual-energy subtraction image of a chest; (b) setting a specific region including a pulmonary nodule region in the obtained dual-energy subtraction image; (c) interpolating a gray level trend of a region surrounding the pulmonary nodule region into the pulmonary nodule region using a fitting function; and (d) measuring the pulmonary nodule volume by subtracting the interpolation result from the gray level data of the pulmonary nodule region. Accordingly, when it is desired to measure the pulmonary nodule volume using the dual-energy subtraction image, information on the thickness of the pulmonary nodule is obtained from the characteristic of the dual-energy subtraction image, and the pulmonary nodule volume is accurately measured by correcting errors at the border of the pulmonary nodule region using the fitting function.
    • 提供了一种使用双能量减影图像测量肺结节体积的方法和装置。 该方法包括:(a)获得胸部的双能量减影图像; (b)在获得的双能量减影图像中设定包括肺结节区域的特定区域; (c)使用拟合函数将肺结节区域周围的区域的灰度级趋势内插到肺结节区域; 以及(d)通过从肺结节区域的灰度级数据中减去内插结果来测量肺结节体积。 因此,当希望使用双能量减影图像测量肺结节体积时,从双能量减影图像的特征获得关于肺结节厚度的信息,并且通过以下方式精确地测量肺结节体积: 使用拟合函数校正肺结节区域边界的误差。