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    • 2. 发明申请
    • ULTRASONIC DIAGNOSTIC DEVICE, AND METHOD FOR MEASURING INTIMA-MEDIA THICKNESS
    • 超声波诊断装置及测量介质厚度的方法
    • US20120310086A1
    • 2012-12-06
    • US13520214
    • 2010-11-12
    • Takenori FukumotoKazuya TakagiTakao SuzukiAkihiro Kawabata
    • Takenori FukumotoKazuya TakagiTakao SuzukiAkihiro Kawabata
    • A61B8/00
    • A61B8/0858A61B8/0891G06T7/12G06T7/62G06T2207/10132G06T2207/30048G06T2207/30101
    • The present invention provides a method for detecting lumen and adventitia boundaries and measuring an intima-media thickness without depending on the magnitudes of echo intensity variations on the lumen and adventitia sides.The ultrasonic diagnostic apparatus transmits an ultrasonic wave toward a body and obtains biological information based on an echo signal received and includes: an intensity distribution generating section that generates an echo intensity distribution in a depth direction about a vascular wall based on the echo signal; a template generating section that generates a template to detect a boundary based on template data provided in advance to represent a reference pattern of the intensity distribution; a pattern similarity calculating section that changes the depth and intima-media thickness pattern of the template to calculate similarity between the template and the intensity distribution on any change made; and a boundary defining section that defines lumen and adventitia boundaries based on the degree of similarity calculated on any change made.
    • 本发明提供一种用于检测内腔和外膜边界并测量内膜 - 中膜厚度的方法,而不依赖于内腔和外膜侧的回波强度变化的大小。 所述超声波诊断装置向身体发送超声波,并且基于所接收的回波信号获得生物信息,并且包括:强度分布生成部,其基于所述回波信号生成围绕血管壁的深度方向的回波强度分布; 模板生成部,其基于预先提供的表示强度分布的参照图案的模板数据,生成检测边界的模板; 模式相似度计算部分,改变模板的深度和中内层厚度模式,以计算模板与强度分布之间的相似性; 以及基于根据任何改变而计算出的相似程度来定义腔和外膜边界的边界限定部分。
    • 3. 发明申请
    • ULTRASONIC DIAGNOSTIC APPARATUS AND TOMOGRAPHIC IMAGE PROCESSING APPARATUS
    • 超声诊断设备和图像处理设备
    • US20110184288A1
    • 2011-07-28
    • US13081786
    • 2011-04-07
    • Akihiro KawabataManabu Migita
    • Akihiro KawabataManabu Migita
    • A61B8/14
    • G01S7/52085G01S7/5206G01S7/52071G01S15/8977G01S15/8979
    • A two-dimensional drawing module (25) (i) periodically reads acoustic line data (S401), (ii) checks a scanning method of a physical structure of a probe and acoustic line data, and (iii) selects the optimum coordinate conversion algorithm (S402). After that, the two-dimensional drawing module (25) (i) selects an interpolation algorithm, based on a display rate (S403), (ii) generates display data by performing a two-dimensional DSC process using the selected coordinate conversion algorithm and the like (S404a, 404b or 404c), (iii) performs a persistence process for the display data (S405), a frame interpolating process for a “B mode” image data (S406) and a display color conversion process (S407), and (iv) transmits the display data after such processes as described above to the display unit (14) (S408).
    • 二维绘图模块(25)(i)周期性地读取声线数据(S401),(ii)检查探针和声线数据的物理结构的扫描方法,以及(iii)选择最佳坐标转换算法 (S402)。 之后,二维绘制模块(25)(i)基于显示速率选择插值算法(S403),(ii)通过使用所选择的坐标转换算法进行二维DSC处理来生成显示数据,以及 (S404a,404b或404c),(iii)对显示数据执行持续处理(S405),“B模式”图像数据(S406)和显示颜色转换处理(S407)的帧内插处理, 和(iv)将上述处理之后的显示数据发送到显示单元(S408)(S408)。
    • 6. 发明申请
    • Ultrasonic diagnostic apparatus and tomographic image processing apparatus
    • 超声波诊断装置及断层图像处理装置
    • US20050033176A1
    • 2005-02-10
    • US10885704
    • 2004-07-08
    • Akihiro KawabataManabu Migita
    • Akihiro KawabataManabu Migita
    • G01S7/52G01S15/89A61B8/02
    • G01S7/52085G01S7/5206G01S7/52071G01S15/8977G01S15/8979
    • By changing the quality of a display image, according to (a) the generation amount of the acoustic line data per unit time or (b) the number of display frames of an image, a resource control including the selection of the optimum drawing process algorithm is realized. Specifically, the two-dimensional drawing module (25) (i) periodically reads acoustic line data (S401), (ii) checks a scanning method of a physical structure of a probe and acoustic line data, and (iii) selects the optimum coordinate conversion algorithm (S402). After that, the two-dimensional drawing module (25) (i) selects an interpolation algorithm, based on a display rate (S403), (ii) generates display data by performing a two-dimensional DSC process using the selected coordinate conversion algorithm and the like (S404a, 404b or 404c), (iii) performs a persistence process for the display data (S405), a frame interpolating process for a “B mode” image data (S406) and a display color conversion process (S407), and (iv) transmits the display data after such processes as described above to the display unit (14) (S408).
    • 通过改变显示图像的质量,根据(a)每单位时间的声线数据的生成量或(b)图像的显示帧数,包括最佳绘制处理算法的选择的资源控制 实现了。 具体地说,二维绘制模块(25)(i)周期性地读取声线数据(S401),(ii)检查探针和声线数据的物理结构的扫描方法,以及(iii)选择最佳坐标 转换算法(S402)。 之后,二维绘制模块(25)(i)基于显示速率选择插值算法(S403),(ii)通过使用所选择的坐标转换算法进行二维DSC处理来生成显示数据,以及 (S404a,404b或404c),(iii)对显示数据执行持续处理(S405),“B模式”图像数据(S406)和显示颜色转换处理(S407)的帧内插处理, 和(iv)将上述处理之后的显示数据发送到显示单元(S408)(S408)。
    • 8. 发明授权
    • Ultrasonic diagnostic device, and method for measuring initma-media complex thickness
    • 超声波诊断装置以及测量初始 - 媒体复合物厚度的方法
    • US09179889B2
    • 2015-11-10
    • US13496832
    • 2010-11-12
    • Takenori FukumotoAkihiro KawabataMakiko UrabeTakao SuzukiYushi Nishimura
    • Takenori FukumotoAkihiro KawabataMakiko UrabeTakao SuzukiYushi Nishimura
    • A61B8/02A61B8/08
    • A61B8/0858A61B8/0891A61B8/5284
    • An ultrasonic diagnostic apparatus according to the present invention includes: an ultrasonic signal processing section, which performs transmission processing for transmitting an ultrasonic wave toward a subject's blood vessel by driving a probe and reception processing for generating a received signal based on the ultrasonic wave reflected from the subject's blood vessel and received at the probe; a tomographic image processing section, which generates a tomographic image based on the received signal; a boundary detecting section, which detects the lumen-intima and media-adventitia boundaries of the blood vessel based on the received signal or the tomographic image; a vascular wall thickness calculating section, which calculates, as a vascular wall thickness value, the interval between the lumen-intima and media-adventitia boundaries detected by the boundary detecting section; a reliability determining section, which determines the reliability of the vascular wall thickness value by a signal feature of the received signal or an image information feature of the tomographic image at a location on the lumen-intima and/or media-adventitia boundaries detected; and a control section, which decides, in accordance with the decision made by the reliability determining section, that the vascular wall thickness value be defined as an intima-media thickness.
    • 根据本发明的超声波诊断装置包括:超声波信号处理部,其进行用于通过驱动探头向被检者的血管发送超声波的发送处理和基于从所述超声波反射的超声波生成接收信号的接收处理 受试者的血管并在探头处接受; 断层图像处理部,其基于所接收的信号生成断层图像; 边界检测部,其基于所接收的信号或断层图像检测血管的内腔和介质 - 外膜边界; 血管壁厚计算部,其计算由所述边界检测部检测出的所述内腔和介质 - 外膜边界之间的间隔作为血管壁厚度值; 可靠性确定部,其通过接收信号的信号特征或者在检测到的管腔内膜和/或介质外膜边界上的位置处的断层图像的图像信息特征来确定血管壁厚值的可靠性; 以及控制部,其根据所述可靠性判定部的判定,判断为血管壁厚值被定义为内膜中间厚度。