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    • 1. 发明授权
    • Method for scaling scattered ray intensity distribution in multi bulbs X-ray CT and multi bulbs X-ray CT apparatus
    • 多射线X射线CT和多球X射线CT装置中散射射线强度分布的方法
    • US07957502B2
    • 2011-06-07
    • US12243218
    • 2008-10-01
    • Takahiro ManabeNaruomi Akino
    • Takahiro ManabeNaruomi Akino
    • G01N23/00
    • A61B6/032G06T11/005
    • A method for scaling a scattered ray intensity distribution in a multi bulbs X-ray CT apparatus configured to irradiate a subject with X-rays from a plurality of X-ray generation sections, respectively and configure a cross-sectional image of the subject by detecting the X-rays passing through the subject. A first difference is achieved, the first difference being the difference between a real data of X-ray intensity achieved by passing of X-rays through the subject, the X-rays being radiated from the plurality of the X-ray generation sections, respectively and an opposed data of X-ray intensity achieved by passing of these X-rays through the subject at the same position in an opposite direction, a second difference between scattered ray intensity included in the real data and scattered ray intensity included in the opposed data being achieved. Primary scattered ray included in the real data of the X-ray intensity achieved by passing of the X-rays through the subject, the X-rays being radiated from the plurality of the X-ray generation sections, respectively are estimated. Primary scattered ray included in the opposed data of the X-ray intensity achieved by passing of the X-rays through the subject at the same position in an opposite direction, respectively, and performing scaling the primary estimated scattered ray intensity distribution on the basis of a ratio between the first difference and the second difference are estimated.
    • 一种用于缩放多灯泡X射线CT装置中的散射光线强度分布的方法,其被配置为分别从多个X射线产生部分向X射线照射被摄体,并通过检测来配置被摄体的横截面图像 穿过主体的X射线。 实现第一个差异,第一个区别是分别通过X射线穿过被摄体实现的X射线强度的实际数据与从多个X射线产生部分辐射的X射线之间的差异 以及通过使这些X射线在相反方向上的相同位置通过被检体而获得的X射线强度的相反数据,包括在实数据中的散射射线强度与包含在相对数据中的散射射线强度之间的第二差异 正在实现。 通过将X射线通过被检体实现的X射线强度的实际数据中包含的主要散射光,分别从多个X射线产生部照射的X射线。 一次散射光分别包括在通过在相反方向上通过对象的X射线通过对象而获得的X射线强度的相对数据中,并且基于以下方式执行初级估计的散射光线强度分布 估计第一差异和第二差异之间的比率。
    • 2. 发明申请
    • MEDICAL IMAGE PROCESSOR AND MEDICAL IMAGE PROCESSING METHOD
    • 医学图像处理器和医学图像处理方法
    • US20100092053A1
    • 2010-04-15
    • US12576564
    • 2009-10-09
    • Takahiro ManabeYasuko Fujisawa
    • Takahiro ManabeYasuko Fujisawa
    • G06K9/00
    • G06K9/4638G06K2209/05G06T7/12G06T2207/10081G06T2207/20044G06T2207/30048G06T2207/30101
    • A medical image processor includes: an extraction unit configured to extract a longitudinal line from three-dimensional volume data for a medical image, the longitudinal line representing how a tubular structure runs; a longitudinal cross-sectional image generator configured to generate multiple longitudinal cross-sectional images extending along the longitudinal line, the longitudinal cross-sectional images being cross-sectional images of the tubular structure; a short-axis cross-sectional image generator configured to generate multiple short-axis cross-sectional images intersecting the longitudinal line, the short-axis cross-sectional images being cross-sectional images of the tubular structure; a structure element detector configured to detect a specific structural element of the tubular structure from each of the plurality of short-axis cross-sectional images; and a correction unit configured to correct the specific structural element detected from each of the multiple short-axis cross-sectional images on a basis of the multiple longitudinal cross-sectional images.
    • 医疗图像处理器包括:提取单元,被配置为从用于医学图像的三维体积数据中提取纵向线,所述纵向线表示管状结构如何运行; 纵向截面图像发生器被配置为产生沿纵向延伸的多个纵向横截面图像,纵向截面图像是管状结构的横截面图像; 短轴截面图像发生器被配置为产生与纵向线相交的多个短轴横截面图像,短轴横截面图像是管状结构的横截面图像; 结构元件检测器,被配置为从所述多个短轴截面图像中的每一个检测所述管状结构的特定结构元件; 以及校正单元,被配置为基于所述多个纵向横截面图像来校正从所述多个短轴截面图像中的每一个检测到的所述特定结构元素。
    • 3. 发明申请
    • METHOD FOR SCALING SCATTERED RAY INTENSITY DISTRIBUTION IN MULTI BULBS X-RAY CT AND MULTI BULBS X-RAY CT APPARATUS
    • 用于扩大多发性X射线CT和多发性X射线CT装置中散射强度分布的方法
    • US20090092221A1
    • 2009-04-09
    • US12243218
    • 2008-10-01
    • Takahiro MANABENaruomi Akino
    • Takahiro MANABENaruomi Akino
    • H05G1/60H05G1/64
    • A61B6/032G06T11/005
    • A method for scaling a scattered ray intensity distribution in a multi bulbs X-ray CT apparatus configured to irradiate a subject with X-rays from a plurality of X-ray generation sections, respectively and configure a cross-sectional image of the subject by detecting the X-rays passing through the subject, the method includes: a first difference being achieved, the first difference being the difference between a real data of X-ray intensity achieved by passing of X-rays through the subject, the X-rays being radiated from the plurality of the X-ray generation sections, respectively and an opposed data of X-ray intensity achieved by passing of these X-rays through the subject at the same position in an opposite direction, a second difference between scattered ray intensity included in the real data and scattered ray intensity included in the opposed data being achieved, the being achieved including: estimating primary scattered ray included in the real data of the X-ray intensity achieved by passing of the X-rays through the subject, the X-rays being radiated from the plurality of the X-ray generation sections, respectively; and estimating primary scattered ray included in the opposed data of the X-ray intensity achieved by passing of the X-rays through the subject at the same position in an opposite direction, respectively, and performing scaling the primary estimated scattered ray intensity distribution on the basis of a ratio between the first difference and the second difference.
    • 一种用于缩放多灯泡X射线CT装置中的散射光线强度分布的方法,其被配置为分别从多个X射线产生部分向X射线照射被摄体,并通过检测来配置被摄体的横截面图像 通过对象的X射线,该方法包括:实现第一差异,第一个差异是通过穿过被摄体的X射线实现的X射线强度的实际数据之间的差异,X射线为 分别从多个X射线产生部发射的X射线强度相对的数据和通过使相对方向的相同位置上的这些X射线通过被检体而实现的X射线强度相对的数据, 在所实现的相对数据中包括的真实数据和散射光线强度中,实现包括:估计包括在X射线强度的实际数据中的主要散射光线实现 通过使X射线通过被检体,分别从多个X射线产生部照射X射线; 并且估计包括在通过在相反方向上在相同位置上通过对象的X射线实现的X射线强度的相对数据中包括的主要散射光线,并且对第一估计散射光线强度分布进行缩放 第一差异和第二差异之间的比率的基础。
    • 4. 发明授权
    • Medical image processor and medical image processing method
    • 医学图像处理器和医学图像处理方法
    • US08437520B2
    • 2013-05-07
    • US12576564
    • 2009-10-09
    • Takahiro ManabeYasuko Fujisawa
    • Takahiro ManabeYasuko Fujisawa
    • G06K9/00
    • G06K9/4638G06K2209/05G06T7/12G06T2207/10081G06T2207/20044G06T2207/30048G06T2207/30101
    • A medical image processor includes: an extraction unit configured to extract a longitudinal line from three-dimensional volume data for a medical image, the longitudinal line representing how a tubular structure runs; a longitudinal cross-sectional image generator configured to generate multiple longitudinal cross-sectional images extending along the longitudinal line, the longitudinal cross-sectional images being cross-sectional images of the tubular structure; a short-axis cross-sectional image generator configured to generate multiple short-axis cross-sectional images intersecting the longitudinal line, the short-axis cross-sectional images being cross-sectional images of the tubular structure; a structure element detector configured to detect a specific structural element of the tubular structure from each of the plurality of short-axis cross-sectional images; and a correction unit configured to correct the specific structural element detected from each of the multiple short-axis cross-sectional images on a basis of the multiple longitudinal cross-sectional images.
    • 医疗图像处理器包括:提取单元,被配置为从用于医学图像的三维体积数据中提取纵向线,所述纵向线表示管状结构如何运行; 纵向截面图像发生器被配置为产生沿纵向延伸的多个纵向横截面图像,纵向截面图像是管状结构的横截面图像; 短轴截面图像发生器被配置为产生与纵向线相交的多个短轴横截面图像,短轴横截面图像是管状结构的横截面图像; 结构元件检测器,被配置为从所述多个短轴截面图像中的每一个检测所述管状结构的特定结构元件; 以及校正单元,被配置为基于所述多个纵向横截面图像来校正从所述多个短轴截面图像中的每一个检测到的所述特定结构元素。
    • 7. 发明申请
    • PLAQUE REGION EXTRACTING METHOD AND APPARATUS THEREFOR
    • PLAQUE REGION提取方法及其设备
    • US20120243760A1
    • 2012-09-27
    • US13424930
    • 2012-03-20
    • Takahiro ManabeYasuko Fujisawa
    • Takahiro ManabeYasuko Fujisawa
    • G06K9/62
    • G06T7/0012A61B6/504A61B6/5217G06T7/11G06T7/136G06T2207/10081G06T2207/30101
    • According to one embodiment, a plaque region extracting apparatus includes a blood vessel wall data extracting unit, an intermediate image data generating unit, an enhancement processing unit, a plaque extracting unit. The blood vessel wall data extracting unit extracts first image data including a blood vessel wall from image data acquired by imaging a subject including blood vessels. The intermediate image data generating unit filters an intermediate region in the first image data to generate intermediate second image data. The enhancement processing unit processes the difference between the first image data and the second image data to generate third image data. The plaque extracting unit extracts a plaque in the blood vessel on the basis of the third image data.
    • 根据一个实施例,斑块区域提取装置包括血管壁数据提取单元,中间图像数据生成单元,增强处理单元,斑块提取单元。 血管壁数据提取单元通过对包括血管的对象成像而获取的图像数据提取包括血管壁的第一图像数据。 中间图像数据生成单元对第一图像数据中的中间区域进行滤波,生成中间的第二图像数据。 增强处理单元处理第一图像数据和第二图像数据之间的差异,以产生第三图像数据。 斑块提取单元基于第三图像数据提取血管中的斑块。