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公开(公告)号：US20090234230A1
公开(公告)日：2009-09-17
申请号：US12047645
申请日：2008-03-13
IPC分类号： A61B8/00
CPC分类号： G10K11/346 , G01S7/52049 , G01S15/8927 , G01S15/8977 , G01S15/8997
摘要： Method for ultrasound imaging comprising at least the following steps: a) a transmission step in which a plurality of ultrasonic waves are transmitted into an imaged region and a set of raw data is acquired by an array of transducers in response to each ultrasonic wave, the ultrasonic waves having different spatial frequency content; b) a coherence enhancing step in which, for each of a plurality of virtual transmit focal zones in the imaged region, at least one set of coherent data is synthesized from the sets of raw data; c) a beamforming step in which, for each of a plurality of locations included in each of the virtual transmit focal zones, an image pixel is computed by beamforming, using the set of coherent data.
摘要翻译： 一种用于超声成像的方法，至少包括以下步骤：a）传输步骤，其中多个超声波被传输到成像区域，并且一组原始数据是通过响应于每个超声波的换能器阵列获得的， 具有不同空间频率含量的超声波; b）相干增强步骤，其中对于成像区域中的多个虚拟发射聚焦区域中的每一个，从原始数据组合成至少一组相干数据; c）波束成形步骤，其中，对于每个虚拟发射聚焦区域中包括的多个位置中的每一个，通过波束成形来计算图像像素，使用该组相干数据。
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公开(公告)号：US09117439B2
公开(公告)日：2015-08-25
申请号：US12047645
申请日：2008-03-13
CPC分类号： G10K11/346 , G01S7/52049 , G01S15/8927 , G01S15/8977 , G01S15/8997
摘要： A method for ultrasound imaging is provided. The method includes at least a transmission step, a coherence enhancing step, and a beamforming step. In the transmission step, a plurality of ultrasonic waves are transmitted into an imaged region and a set of raw data is acquired by an array of transducers in response to each ultrasonic wave. The ultrasonic waves have different spatial frequency content. In the coherence enhancing step, for each of a plurality of virtual transmit focal zones in the imaged region, at least one set of coherent data is synthesized from the sets of raw data. In the beamforming step, for each of a plurality of locations included in each of the virtual transmit focal zones, an image pixel is computed by beamforming, using the set of coherent data.
摘要翻译： 提供了一种用于超声成像的方法。 该方法至少包括传输步骤，相干增强步骤和波束形成步骤。 在发送步骤中，响应于每个超声波，多个超声波被发送到成像区域并且通过换能器阵列获取一组原始数据。 超声波具有不同的空间频率含量。 在相干增强步骤中，对于成像区域中的多个虚拟发射聚焦区域中的每一个，从原始数据组合成至少一组相干数据。 在波束形成步骤中，对于包括在每个虚拟发射聚焦区域中的多个位置中的每一个，通过使用该组相干数据的波束成形来计算图像像素。
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公开(公告)号：US09140781B2
公开(公告)日：2015-09-22
申请号：US13642478
申请日：2010-04-20
CPC分类号： G01S7/52036 , A61B8/485 , G01S7/52042 , G01S7/52046 , G01S7/52065 , G01S7/52071 , G01S7/52077
摘要： An imaging method using shear waves for observing a viscoelastic medium, comprising: several successive excitation steps j during which elastic shear waves are generated respectively at different excitation loci (Lj) in the viscoelastic medium by an imaging device, the different excitation loci being separated from one another by a maximum distance Dm, an imaging step corresponding to each excitation step j, in which a set j of successive raw images Imj(tk) of the viscoelastic medium at times tk are determined during propagation of the shear wave, the raw images having a resolution R which is larger than the maximum distance Dm, an averaging step in which raw images Imj(tk) corresponding to the same relative time tk are averaged to determine an average image Im′(tk).
摘要翻译： 一种使用剪切波观察粘弹性介质的成像方法，包括：几个连续的激发步骤j，在此过程中，通过成像装置分别在粘弹性介质中的不同激发轨迹（Lj）处产生弹性剪切波，不同的激发位置与 另一个最大距离Dm，对应于每个激励步骤j的成像步骤，其中在剪切波的传播期间确定时间tk处的粘弹性介质的连续原始图像Imj（tk）的集合j，原始图像 具有大于最大距离Dm的分辨率R，对平均对应于相同相对时间tk的原始图像Imj（tk）进行平均以确定平均图像Im'（tk）的平均步骤。
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公开(公告)号：US08019572B2
公开(公告)日：2011-09-13
申请号：US12277707
申请日：2008-11-25
申请人： Mathias Fink , Gabriel Montaldo , Mickael Tanter
发明人： Mathias Fink , Gabriel Montaldo , Mickael Tanter
IPC分类号： H03F1/26
CPC分类号： G01S7/52049 , A61B8/0816 , G01S7/52036 , G01S15/8977
摘要： A method of exploring by wave propagation, in which method an incident wave is emitted a plurality of times towards the same target zone (r0) in a diffusing medium, and then the backscattered signals generated by the waves are averaged.
摘要翻译： 一种通过波传播进行探测的方法，在该方法中，向散射介质中的相同目标区域（r0）多次发射入射波，然后对由波产生的反向散射信号进行平均。
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公开(公告)号：US20070274156A1
公开(公告)日：2007-11-29
申请号：US10565617
申请日：2004-07-23
申请人： Mathias Fink , Gabriel Montaldo , Mickael Tanter
发明人： Mathias Fink , Gabriel Montaldo , Mickael Tanter
IPC分类号： G01S15/00
CPC分类号： G10K11/341 , G01N2291/02491 , G01N2291/0422 , G10K11/02
摘要： An ultrasound imaging method including an emission step during which an array of transducers is caused to emit at an ultrasound wave focused in a target medium by causing the excitation wave to pass through a reverberant solid object prior to reaching the target medium.
摘要翻译： 一种超声成像方法，包括发射步骤，在所述发射步骤期间，通过使激发波在到达所述目标介质之前通过混响固体物体，使得通过聚焦在目标介质中的超声波发射换能器阵列。
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公开(公告)号：US07679988B2
公开(公告)日：2010-03-16
申请号：US10565617
申请日：2004-07-23
申请人： Mathias Fink , Gabriel Montaldo , Mickael Tanter
发明人： Mathias Fink , Gabriel Montaldo , Mickael Tanter
IPC分类号： G03B42/06
CPC分类号： G10K11/341 , G01N2291/02491 , G01N2291/0422 , G10K11/02
摘要： An ultrasound imaging method including an emission step during which an array of transducers is caused to emit at an ultrasound wave focused in a target medium by causing the excitation wave to pass through a reverberant solid object prior to reaching the target medium.
摘要翻译： 一种超声成像方法，包括发射步骤，在所述发射步骤期间，通过使激发波在到达所述目标介质之前通过混响固体物体，使得通过聚焦在目标介质中的超声波发射换能器阵列。
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公开(公告)号：US20050273008A1
公开(公告)日：2005-12-08
申请号：US10517047
申请日：2003-05-28
申请人： Gabriel Montaldo , Mathias Fink , Mickael Tanter
发明人： Gabriel Montaldo , Mathias Fink , Mickael Tanter
IPC分类号： A61B17/22 , A61B8/00 , A61B8/15 , A61B18/00 , G01S7/524 , G10K11/34 , H04B11/00 , H04R1/20 , H04R17/00
CPC分类号： G01S7/52049 , A61B8/15 , G10K11/34
摘要： The invention relates to a method of generating a predetermined objective wave field in a medium using a first network of transducers T1-Tn). The inventive method consists in first using each transducer i of the first network to emit an approximation of the signal ei(t). Subsequently, each transducer of a second network of transducers (T′1-T′m) is used to emit an error signal corresponding to the time reversal of the difference between the signals captured from said first emission and objective signals. Finally, approximation ei(t) is corrected by subtracting the time reversal of the signal captured by each transducer i using the error signal.
摘要翻译： 本发明涉及一种使用变换器T 1 -T n）的第一网络在介质中产生预定目标波场的方法。 本发明的方法包括首先使用第一网络的每个换能器i发射信号ei（t）的近似。 随后，使用第二传感器网络（T'1-T'm）的每个换能器发射对应于从所述第一发射和目标信号捕获的信号之间的差的时间反转的误差信号。 最后，通过使用误差信号减去由每个换能器i捕获的信号的时间反转来校正近似值ei（t）。
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8.发明申请METHOD FOR OPTIMISING THE FOCUSSING OF WAVES THROUGH AN ABERRATION-INDUCING ELEMENT 有权通过诱导诱导元素优化波形聚焦的方法公开(公告)号：US20090093724A1
公开(公告)日：2009-04-09
申请号：US12282625
申请日：2008-02-20
申请人： Mathieu Pernot , Mathias Fink , Mickael Tanter , Gabriel Montaldo , Jean-Francois Aubry , Ralph Sinkus
发明人： Mathieu Pernot , Mathias Fink , Mickael Tanter , Gabriel Montaldo , Jean-Francois Aubry , Ralph Sinkus
IPC分类号： A61B8/14
CPC分类号： G01S7/52049 , A61B8/0808 , A61N7/02 , A61N2007/0078 , A61N2007/0095 , G01S15/8909
摘要： The invention concerns a method for optimizing the focusing of waves in a zone of interest of a medium, with the waves being emitted by a network of sources to the medium through an aberration-inducing element that introduces an initially indeterminate phase shift. The method according to the invention proposes to use M−1 successive modifications of the emitted wave, each giving rise to a perturbation. According to the invention, the M perturbations are measured in the zone of interest at each modification of the phase and/or amplitude distributions, and these measurements are used to deduce optimal focusing characteristics to maximize the perturbation induced in the zone of interest.
摘要翻译： 本发明涉及一种用于优化介质感兴趣区域中的波的聚焦的方法，其中波被源网络通过引入初始不确定相移的像差诱导元件发射到介质。 根据本发明的方法提出使用发射波的M-1个连续修改，每个引起扰动。 根据本发明，在相位和/或幅度分布的每个修改时，在感兴趣的区域中测量M扰动，并且这些测量用于推导最佳聚焦特性，以使感兴趣区域中诱导的扰动最大化。
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公开(公告)号：US20130031981A1
公开(公告)日：2013-02-07
申请号：US13642478
申请日：2010-04-20
IPC分类号： G01N29/04
CPC分类号： G01S7/52036 , A61B8/485 , G01S7/52042 , G01S7/52046 , G01S7/52065 , G01S7/52071 , G01S7/52077
摘要： An imaging method using shear waves for observing a viscoelastic medium, comprising:several successive excitation steps j during which elastic shear waves are generated respectively at different excitation loci (Lj) in the viscoelastic medium by an imaging device, the different excitation loci being separated from one another by a maximum distance Dm,an imaging step corresponding to each excitation step j, in which a set j of successive raw images Imj(tk) of the viscoelastic medium at times tk are determined during propagation of the shear wave, the raw images having a resolution R which is larger than the maximum distance Dm,an averaging step in which raw images Imj(tk) corresponding to the same relative time tk are averaged to determine an average image Im′(tk).
摘要翻译： 一种使用剪切波观察粘弹性介质的成像方法，包括：几个连续的激发步骤j，在此过程中，通过成像装置分别在粘弹性介质中的不同激发轨迹（Lj）处产生弹性剪切波，不同的激发位置与 另一个最大距离Dm，对应于每个激励步骤j的成像步骤，其中在剪切波的传播期间确定时间tk处的粘弹性介质的连续原始图像Imj（tk）的集合j，原始图像 具有大于最大距离Dm的分辨率R，对平均对应于相同相对时间tk的原始图像Imj（tk）进行平均以确定平均图像Im'（tk）的平均步骤。
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公开(公告)号：US07857762B2
公开(公告)日：2010-12-28
申请号：US10517047
申请日：2003-05-28
申请人： Gabriel Montaldo , Mathias Fink , Mickaël Tanter
发明人： Gabriel Montaldo , Mathias Fink , Mickaël Tanter
CPC分类号： G01S7/52049 , A61B8/15 , G10K11/34
摘要： The invention relates to a method of generating a predetermined objective wave field in a medium using a first network of transducers T1-Tn). The inventive method consists in first using each transducer i of the first network to emit an approximation of the signal ei(t). Subsequently, each transducer of a second network of transducers (T′1-T′m) is used to emit an error signal corresponding to the time reversal of the difference between the signals captured from said first emission and objective signals. Finally, approximation ei(t) is corrected by subtracting the time reversal of the signal captured by each transducer i using the error signal.
摘要翻译： 本发明涉及使用第一传感器网络T1-Tn）在介质中产生预定目标波场的方法。 本发明的方法包括首先使用第一网络的每个换能器i发射信号ei（t）的近似。 随后，第二传感器网络（T'1-T'm）的每个换能器用于发射对应于从所述第一发射和目标信号捕获的信号之间的差的时间反转的误差信号。 最后，通过使用误差信号减去由每个换能器i捕获的信号的时间反转来校正近似值ei（t）。
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