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    • 3. 发明授权
    • Apparatus and method for processing an ultrasound spectrum image
    • 用于处理超声波光谱图像的装置和方法
    • US08204288B2
    • 2012-06-19
    • US12948487
    • 2010-11-17
    • Hye Jung KimKi Jong LeeSung Ho KimEun Ho YangCheol An Kim
    • Hye Jung KimKi Jong LeeSung Ho KimEun Ho YangCheol An Kim
    • G06K9/00
    • G01S7/52077A61B8/06G01S7/52026G01S15/584G01S15/8979G06K9/0055
    • There is provided a method of processing an ultrasound spectrum image. According to such method, a spectrum image is formed based on ultrasound data and then the noise is removed from the spectrum image. The noise-removed spectrum image is matched with one or more spectrum models representing specific spectrum types. Then, whether or not the noise-removed spectrum image contains an aliasing is checked. If the noise-removed spectrum image contains the aliasing, then the aliasing is removed from the noise-removed spectrum image to provide a noise-removed spectrum image without the aliasing. Thereafter, contour tracing is performed on the noise-removed spectrum image without the aliasing to detect contour points. Further, peak tracing is performed on the noise-removed spectrum image without the aliasing to detect peaks.
    • 提供了一种处理超声波频谱图像的方法。 根据这种方法,基于超声数据形成频谱图像,然后从频谱图像中去除噪声。 噪声消除的光谱图像与表示特定光谱类型的一个或多个光谱模型相匹配。 然后,检查噪声去除的频谱图像是否包含混叠。 如果噪声去除的频谱图像包含混叠,则从去除噪声的频谱图像中去除混叠,以提供没有混叠的噪声去除的频谱图像。 此后,对噪声去除的频谱图像执行轮廓跟踪,而不需要混叠来检测轮廓点。 此外,在没有混叠的噪声去除的频谱图像上执行峰值跟踪以检测峰值。
    • 4. 发明申请
    • Ultrasound diagnostic system for providing elastic image with additional information
    • 超声诊断系统,为弹性图像提供附加信息
    • US20060084870A1
    • 2006-04-20
    • US11249513
    • 2005-10-14
    • Cheol An KimJong Sik KimYoung Seuk SongGae Young ChoRa Young Yoon
    • Cheol An KimJong Sik KimYoung Seuk SongGae Young ChoRa Young Yoon
    • A61B8/00
    • A61B8/485A61B8/08A61B8/463A61B8/488G01S7/52042
    • There is provided an ultrasound diagnostic system adapted to provide an elastic image with additional information. The ultrasound diagnostic system comprises: a probe for receiving echo signals from a target object, the probe being configured to transfer a pressure applied by an user to the target object; an elastic image processor for producing an elastic image and an additional information related thereto based on each of the echo signals before and after applying the pressure; and a display for displaying the elastic image and the additional information, which are inputted from the elastic image processor. The additional information includes an elastic image map and a strain ratio of a medium. The elastic image processor calculates the strain ratio based on the echo signals before and after applying the pressure and calculates a constriction speed based on the strain ratio and the frame rate, the elastic image processor being configured to form an elastic image map showing a relationship between the constriction speed and the strain ratio.
    • 提供了一种适于向弹性图像提供附加信息的超声诊断系统。 所述超声诊断系统包括:用于从目标物体接收回波信号的探头,所述探针被配置为将由用户施加的压力传递到所述目标对象; 弹性图像处理器,用于根据施加压力之前和之后的每个回波信号产生弹性图像和与其相关的附加信息; 以及用于显示从弹性图像处理器输入的弹性图像和附加信息的显示器。 附加信息包括弹性图像映射和介质的应变比。 弹性图像处理器基于施加压力之前和之后的回波信号来计算应变率,并且基于应变率和帧速率计算收缩速度,弹性图像处理器被配置为形成弹性图像映射,该弹性图像映射表示 收缩速度和应变比。
    • 5. 发明授权
    • Apparatus and method for processing an ultrasound spectrum image
    • 用于处理超声波光谱图像的装置和方法
    • US07864998B2
    • 2011-01-04
    • US11413157
    • 2006-04-28
    • Hye Jung KimKi Jong LeeSung Ho KimEun Ho YangCheol An Kim
    • Hye Jung KimKi Jong LeeSung Ho KimEun Ho YangCheol An Kim
    • G06K9/00
    • G01S7/52077A61B8/06G01S7/52026G01S15/584G01S15/8979G06K9/0055
    • There is provided a method of processing an ultrasound spectrum image. According to such method, a spectrum image is formed based on ultrasound data and then the noise is removed from the spectrum image. The noise-removed spectrum image is matched with one or more spectrum models representing specific spectrum types. Then, whether or not the noise-removed spectrum image contains an aliasing is checked. If the noise-removed spectrum image contains the aliasing, then the aliasing is removed from the noise-removed spectrum image to provide a noise-removed spectrum image without the aliasing. Thereafter, contour tracing is performed on the noise-removed spectrum image without the aliasing to detect contour points. Further, peak tracing is performed on the noise-removed spectrum image without the aliasing to detect peaks.
    • 提供了一种处理超声波频谱图像的方法。 根据这种方法,基于超声数据形成频谱图像,然后从频谱图像中去除噪声。 噪声消除的光谱图像与表示特定光谱类型的一个或多个光谱模型相匹配。 然后,检查噪声去除的频谱图像是否包含混叠。 如果噪声去除的频谱图像包含混叠,则从去除噪声的频谱图像中去除混叠,以提供没有混叠的噪声消除的频谱图像。 此后,对噪声去除的频谱图像执行轮廓跟踪,而不需要混叠来检测轮廓点。 此外,在没有混叠的噪声去除的频谱图像上执行峰值跟踪以检测峰值。
    • 7. 发明授权
    • Ultrasound diagnostic apparatus and method for measuring blood flow velocity using doppler effect
    • 超声诊断装置及使用多普勒效应测量血流速度的方法
    • US06447455B2
    • 2002-09-10
    • US09898783
    • 2001-07-03
    • Ji Hoon BangCheol An Kim
    • Ji Hoon BangCheol An Kim
    • A61B500
    • G01S15/8979A61B8/06
    • An ultrasound diagnostic system and a method for the same update a pulse repetition frequency(PRF) by sensing an aliasing of a sampled data. A sample data generator generates sample data by transmitting an ultrasound signal into a human body and sampling a reflected signal of the ultrasound signal. A frequency distribution data generator generates a frequency distribution data by processing the sample data. A blood flow velocity detector determines a blood flow velocity on the basis of the frequency distribution data. An aliasing detector detects whether or not an aliasing occurs in the frequency distribution data. The aliasing detector computes a peak index corresponding to the fastest blood flow velocity component among the frequency components comprising the frequency distribution data, selects a frequency range having the largest sum of power levels of the frequency components between a positive frequency range and a negative frequency range, compares the selected frequency range with the peak index, and determines whether an aliasing occurs or not.
    • 超声诊断系统和通过感测采样数据的混叠来更新脉冲重复频率(PRF)的方法。 样本数据生成器通过将超声信号发送到人体中并对超声信号的反射信号进行采样来生成采样数据。 频率分布数据发生器通过处理采样数据来产生频率分布数据。 血流速度检测器基于频率分布数据来确定血流速度。 混叠检测器检测在频率分布数据中是否发生混叠。 混叠检测器计算与包括频率分布数据的频率分量中最快的血流速度分量对应的峰值指数,选择频率分量在正频率范围和负频率范围之间具有最大功率电平之和的频率范围 将所选择的频率范围与峰值索引进行比较,并确定是否发生混叠。
    • 10. 发明申请
    • ULTRASOUND SYSTEM FOR INTERVENTIONAL TREATMENT
    • 用于传统治疗的超声波系统
    • US20070167762A1
    • 2007-07-19
    • US11566438
    • 2006-12-04
    • Cheol An KimYoung Song
    • Cheol An KimYoung Song
    • A61B8/00
    • A61B8/0841A61B8/0833A61B8/461A61B8/467A61B8/483A61B8/5238A61B34/20A61B2034/107A61B2090/364A61B2090/374A61B2090/376A61B2090/378
    • An ultrasound system includes an ultrasound diagnostic unit for transmitting ultrasound signals to a target object and producing ultrasound image signals; a wide-area image signal providing unit for providing wide-area image signals for a relatively wide area; an image processor for forming a reconstruction image by combining an ultrasound image and a wide-area image based on the ultrasound image signals and the wide-area image signals; a user interface for selecting at least one lesion in the target object and at least one medical needle insertion point by a user; a path setting unit for setting at least one medical needle insertion path based on the lesion and the medical needle insertion point; and a display unit for displaying the reconstruction image showing positions of the lesion and the medical needle insertion point and the medical needle insertion path, the display unit further being configured to display the ultrasound image.
    • 超声波系统包括用于向目标物体发送超声信号并产生超声图像信号的超声诊断单元; 广域图像信号提供单元,用于为相对较广的区域提供广域图像信号; 图像处理器,用于通过基于超声图像信号和广域图像信号组合超声图像和广域图像来形成重建图像; 用户界面,用于选择目标对象中的至少一个病变和用户至少一个医疗针插入点; 路径设定单元,其基于病变和医疗用针插入点设定至少一个医用针插入路径; 以及显示单元,用于显示显示病变和医疗针插入点和医疗用针插入路径的位置的重建图像,所述显示单元还被配置为显示超声波图像。