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1. 发明授权

US06390984B1 Method and apparatus for locking sample volume onto moving vessel in pulsed doppler ultrasound imaging 失效
标题翻译：用于在脉冲多普勒超声成像中将样本体积锁定到移动血管上的方法和装置
公开(公告)号：US06390984B1
公开(公告)日：2002-05-21
申请号：US09661749
申请日：2000-09-14
申请人： Lihong Pan , Larry Y. L. Mo , Fang Dong , Cynthia Andrews Owen , Robert S. Stanson , Kjell Kristoffersen
发明人： Lihong Pan , Larry Y. L. Mo , Fang Dong , Cynthia Andrews Owen , Robert S. Stanson , Kjell Kristoffersen
IPC分类号： A61B800
CPC分类号： G01S15/8984 , A61B8/06 , A61B8/13 , A61B8/488 , G01S15/8986
摘要： A method and an apparatus for automatically maintaining the Doppler sample gate position at a preselected vessel position in B-mode or color flow images during tissue or probe motion. The sample gate is locked onto the selected vessel automatically when the vessel position has changed. Optionally, the vessel slope cursor is automatically updated when the vessel position has changed. The method employs pattern matching of images from successive frames to determine how much a vessel in the image frame has been translated and rotated from one frame to the next. Preferably, either a cross-correlation method is applied to the imaging data in the spatial domain to determine the relative object translation and/or rotation between image frames, or a matched filtering method is applied to the imaging data in the frequency (i.e., Fourier) domain to determine the relative object translation and/or rotation between image frames.
摘要翻译：一种用于在组织或探针运动期间在B模式或彩色流动图像中预选容器位置处自动维持多普勒样本门位置的方法和装置。当船只位置发生变化时，样品门自动锁定在选定的船上。可选地，当船只位置改变时，船舶坡度光标自动更新。该方法使用来自连续帧的图像的模式匹配来确定图像帧中的血管已经从一个帧转换到下一个帧多少。优选地，将互相关方法应用于空间域中的成像数据以确定图像帧之间的相对对象平移和/或旋转，或者将匹配滤波方法应用于频率中的成像数据（即，傅立叶）域以确定图像帧之间的相对对象转换和/或旋转。

2. 发明授权

US06322509B1 Method and apparatus for automatic setting of sample gate in pulsed doppler ultrasound imaging 失效
标题翻译：脉冲多普勒超声成像自动设置样品门的方法和装置
公开(公告)号：US06322509B1
公开(公告)日：2001-11-27
申请号：US09656659
申请日：2000-09-07
申请人： Lihong Pan , Larry Y. L. Mo , Michael J. Washburn , Fang Dong
发明人： Lihong Pan , Larry Y. L. Mo , Michael J. Washburn , Fang Dong
IPC分类号： A61B800
CPC分类号： A61B8/06 , A61B5/1075 , G06T7/0012 , G06T7/11 , G06T7/136 , G06T7/155 , G06T7/62 , G06T2207/10132 , G06T2207/30068 , G06T2207/30096
摘要： A method and an apparatus for automatically initializing and adjusting the Doppler sample gate position and size settings based on actual vessel image data. A vessel segment search method employs an object search technique based solely on geometric and morphological information in a binarized vessel image obtained from either B-mode or color flow image data. The morphologically best or nearest vessel segment within a target search region in the two-dimensional image is found. The sample gate is placed at or near the center of the targeted vessel segment. The sample gate size is adjusted in relation to the vessel size. Then the best available steering angle that minimizes the Doppler angle is selected.
摘要翻译：一种用于根据实际血管图像数据自动初始化和调整多普勒样本门位置和大小设置的方法和装置。血管段搜索方法仅使用从B模式或彩色流动图像数据获得的二值化血管图像中的几何和形态信息的对象搜索技术。找到二维图像中的目标搜索区域内的形态上最佳或最近的血管段。样品门放置在目标血管段的中心或附近。样品门尺寸相对于容器尺寸进行调整。然后选择最小化多普勒角度的最佳可用转向角。

3. 发明授权

US06577967B2 Automatic adjustment of velocity scale and pulse repetition frequency for doppler ultrasound spectrograms 有权
公开(公告)号：US06577967B2
公开(公告)日：2003-06-10
申请号：US09994212
申请日：2001-11-26
申请人： Larry Y. L. Mo , Lihong Pan , Richard M. Kulakowski , Michael J. Washburn
发明人： Larry Y. L. Mo , Lihong Pan , Richard M. Kulakowski , Michael J. Washburn
IPC分类号： G06F1900
CPC分类号： G01S15/8979 , A61B8/06 , A61B8/488 , G01S7/52026 , G01S7/52066 , G01S15/584
摘要： An ultrasound transmitter generates ultrasound signals at an adjustable pulse repetition rate. A Doppler unit generates Doppler signals from ultrasound backscattered signals and stores them in a memory. A logic unit performs an algorithm which automatically adjusts the polarity and position of the velocity scale of a display and automatically adjusts the pule repetition rate of the transmitter based on analysis of the signals.

4. 发明授权

US06464641B1 Method and apparatus for automatic vessel tracking in ultrasound imaging 有权
标题翻译：超声成像中自动血管跟踪的方法和装置
公开(公告)号：US06464641B1
公开(公告)日：2002-10-15
申请号：US09514068
申请日：2000-02-25
申请人： Lihong Pan , Larry Y. L. Mo , Michael J. Washburn
发明人： Lihong Pan , Larry Y. L. Mo , Michael J. Washburn
IPC分类号： A61B806
CPC分类号： A61B8/08 , A61B5/489 , A61B5/7232 , A61B8/06 , A61B8/0858 , A61B8/13 , A61B8/488 , G01S15/58
摘要： Method and apparatus for automatically maintaining the range gate inside a moving blood vessel during ultrasound imaging. The range gate can be maintained at the vessel center, or at a certain distance from one of the vessel boundaries, or at a certain ratio of the respective distances from the two boundaries. The user first places the range gate on the blood flow being examined. An algorithm processes each successive image frame and automatically updates the information about vessel boundary positions and the vessel orientation angle in the vicinity of the range gate. If the range gate position relative to the vessel boundaries is different than that in the previous frame by more than a predetermined amount, the position of the range gate graphic and the orientation of the vessel slope cursor (and the Doppler angle) are automatically adjusted to the new values.
摘要翻译：用于在超声成像期间自动维持移动血管内的范围门的方法和装置。范围门可以保持在容器中心，或者与容器边界之一保持一定距离，或者以与两个边界的相应距离的一定比例保持。用户首先将范围门放在被检查的血流上。一种算法处理每个连续的图像帧，并自动更新关于范围门附近的血管边界位置和血管方位角的信息。如果相对于血管边界的范围门位置与前一帧中的范围门位置不同超过预定量，则范围门图形的位置和血管斜坡光标（和多普勒角度）的方向被自动调整为新的价值观。

5. 发明授权

US6142943A Doppler ultrasound automatic spectrum optimization 有权
标题翻译：多普勒超声波自动频谱优化
公开(公告)号：US6142943A
公开(公告)日：2000-11-07
申请号：US223357
申请日：1998-12-30
申请人： Larry Y. L. Mo , Michael J. Washburn , Lihong Pan , Susan M. B. Barnhart
发明人： Larry Y. L. Mo , Michael J. Washburn , Lihong Pan , Susan M. B. Barnhart
IPC分类号： A61B8/06 , G01S7/52 , G01S7/539 , G01S15/89 , A61B8/00
CPC分类号： G01S15/8993 , G01S15/8979 , G01S7/52025 , G01S7/52073
摘要： A Doppler unit generates a Doppler signal from ultrasound backscattered signals. A logic unit performs a Fourier transform and compresses the resulting signals according to a compression curve determined in part by the noise level in the system. The peak values of the compressed signals also may be used to adjust the video gray mapping of the compressed signals in order to improve the appearance of a Doppler image on a display.
摘要翻译：多普勒单元从超声背散射信号产生多普勒信号。逻辑单元执行傅里叶变换，并根据部分由系统中的噪声电平确定的压缩曲线来压缩所得到的信号。压缩信号的峰值也可用于调整压缩信号的视频灰度映射，以便改善显示器上的多普勒图像的出现。

6. 发明授权

US6068598A Method and apparatus for automatic Doppler angle estimation in ultrasound imaging 有权
标题翻译：超声成像中自动多普勒角度估计的方法和装置
公开(公告)号：US6068598A
公开(公告)日：2000-05-30
申请号：US201982
申请日：1998-12-01
申请人： Lihong Pan , Michael J. Washburn , Larry Y. L. Mo
发明人： Lihong Pan , Michael J. Washburn , Larry Y. L. Mo
IPC分类号： A61B8/14 , A61B8/06 , A61B8/08 , G01S15/58 , A61B8/02
CPC分类号： A61B8/0858 , A61B8/06 , A61B8/13 , A61B8/488 , G01S15/8984 , A61B5/489 , A61B5/7232
摘要： A method for automatic Doppler angle estimation based on the B-mode and color flow (if available) image. The method uses an algorithm for automatic vessel slope measurement which first finds an optimal initial point within the sample volume or range gate, and then searches for the most reliable pixel points (near or far walls) based on a combination of intensity-only and intensity-difference thresholds, before performing a slope estimation. B-mode intensity data and, optionally, color flow velocity or power data (before gray/color mapping) are used. The algorithm may also be applied to methods for automatic tracking of vessel diameter and flow rate calculations, although the primary objective is to achieve automatic Doppler angle estimation in an ultrasound scanner.
摘要翻译：基于B模式和颜色流（如果有的话）图像的自动多普勒角度估计方法。该方法使用自动血管斜率测量的算法，首先在样本体积或范围门内找到最佳初始点，然后基于强度和强度的组合搜索最可靠的像素点（近壁或远端） - 差分阈值，然后执行斜率估计。使用B模式强度数据和可选的颜色流速度或功率数据（在灰度/颜色映射之前）。该算法还可以应用于用于血管直径和流速计算的自动跟踪的方法，尽管主要目标是在超声扫描仪中实现自动多普勒角度估计。

7. 发明授权

US08036856B2 Method and apparatus for automatically adjusting spectral doppler gain 有权
标题翻译：自动调节光谱多普勒增益的方法和装置
公开(公告)号：US08036856B2
公开(公告)日：2011-10-11
申请号：US11291250
申请日：2005-12-01
申请人： Lihong Pan , David Thomas Dubberstein
发明人： Lihong Pan , David Thomas Dubberstein
IPC分类号： A61B8/06
CPC分类号： G01S7/5205 , G01S7/52033 , G01S7/52066 , G01S15/8979
摘要： Method and apparatus for automatically adjusting a parameter used in the display of a Doppler spectral image comprises acquiring a plurality of spectral lines of Doppler data. A subset of Doppler data is determined from the plurality of spectral lines of Doppler data. A noise characteristic of the subset of Doppler data is calculated, and a signal characteristic of the subset of Doppler data is identified. The noise and signal characteristics are compared, and a system parameter is adjusted based on a result of the comparing step.
摘要翻译：用于自动调整在多普勒频谱图像显示中使用的参数的方法和装置包括获取多普勒数据的多条谱线。从多普勒数据的多个谱线确定多普勒数据的子集。计算多普勒数据子集的噪声特性，并识别多普勒数据子集的信号特征。比较噪声和信号特性，并根据比较步骤的结果调整系统参数。

8. 发明申请

US20050251045A1 Method and apparatus for controlling power in an ultrasound system 有权
标题翻译：用于在超声系统中控制功率的方法和装置
公开(公告)号：US20050251045A1
公开(公告)日：2005-11-10
申请号：US10838400
申请日：2004-05-04
申请人： Michael MacDonald , Richard Chiao , Yadong Li , Lihong Pan
发明人： Michael MacDonald , Richard Chiao , Yadong Li , Lihong Pan
IPC分类号： A61B8/00 , A61B8/02 , G01S15/89 , G03B42/06
CPC分类号： G01S7/52096 , G01S15/899
摘要： Methods and systems for controlling an ultrasound system are provided. The method includes receiving scanning information from an ultrasound system, with the scanning information including at least one of image information and spectral information. The method further includes controlling power to a transducer of the ultrasound system based on the scanning information.
摘要翻译：提供了用于控制超声系统的方法和系统。该方法包括从超声系统接收扫描信息，扫描信息包括图像信息和光谱信息中的至少一个。该方法还包括基于扫描信息来控制超声系统的换能器的功率。

9. 发明授权

US08816959B2 Method and apparatus for obtaining and/or analyzing anatomical images 有权
标题翻译：用于获得和/或分析解剖图像的方法和装置
公开(公告)号：US08816959B2
公开(公告)日：2014-08-26
申请号：US11732419
申请日：2007-04-03
申请人： Lihong Pan , Kirstin Nora LaConte
发明人： Lihong Pan , Kirstin Nora LaConte
IPC分类号： G06F3/033 , G09G5/08 , A61B8/00 , G01S7/52 , G06F19/00
CPC分类号： G01S7/52074 , G01S7/52073 , G06F19/00 , G06F19/321
摘要： A method for monitoring a target in a medical display in a medical imaging apparatus includes receiving echo signals from an area of interest of a patient, extracting raw data from the received echo signals, processing the extracted raw data to display a dual mode image on the medical display, and setting a location and displaying a first marker/cursor in a first image of the dual mode image. In addition, the method further includes determining a corresponding location of the marker/cursor in a second image of the dual mode image, and displaying a second marker/cursor in the second image of the dual mode image at the corresponding location simultaneously with the displaying of the first marker/cursor in the first image.
摘要翻译：一种用于监测医疗成像设备中的医疗显示器中的目标的方法，包括从患者感兴趣的区域接收回波信号，从接收到的回波信号中提取原始数据，处理所提取的原始数据以在医疗显示器，以及在双模式图像的第一图像中设置位置并显示第一标记/光标。另外，该方法还包括确定双模式图像的第二图像中的标记/光标的相应位置，以及在相应位置的同时在显示器上显示第二标记/光标到双模式图像的第二图像中的第一个标记/光标在第一个图像。

10. 发明申请

US20090227872A1 METHOD AND APPARATUS FOR SUB-HARMONIC CONTRAST IMAGING 有权
标题翻译：用于子谐波对比成像的方法和装置
公开(公告)号：US20090227872A1
公开(公告)日：2009-09-10
申请号：US12045434
申请日：2008-03-10
申请人： Lihong Pan , Feng Lin
发明人： Lihong Pan , Feng Lin
IPC分类号： A61B8/00
CPC分类号： G01S7/52039 , A61B8/481 , A61B8/483 , G01S7/52038 , G01S7/52084 , G01S15/108
摘要： A non-linear response may be measured by transmitting a first pulse at an amplitude and transmit frequency, using an aperture having N elements. A first response is measured at a sub-harmonic frequency based on the transmit frequency. At least second and third pulses are transmit at the amplitude and transmit frequency. At least second and third responses are measured at the sub-harmonic frequency. The second and third pulses have the same phase with respect to each other and use first and second sub-apertures that have different ones of the N elements. A sum of the elements within the first and second sub-apertures is equal to N. Alternatively, at least two pulses having the same aperture and different amplitudes may be transmit, and the responses measured at the sub-harmonic frequency. The responses are combined to suppress linear echoes and determine a non-linear response.
摘要翻译：可以使用具有N个元素的孔，以幅度和发射频率发射第一脉冲来测量非线性响应。基于发射频率在次谐波频率下测量第一响应。至少第二和第三脉冲以幅度和发射频率发射。在次谐波频率下至少测量第二和第三响应。第二和第三脉冲相对于彼此具有相同的相位，并且使用具有不同N个元件的第一和第二子孔径。第一和第二子孔径内的元素的总和等于N.或者，可以传输具有相同孔径和不同幅度的至少两个脉冲，并且在次谐波频率处测量响应。将响应组合以抑制线性回波并确定非线性响应。

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