Ultrasound imaging system with a high lateral resolution
    1.
    发明授权
    Ultrasound imaging system with a high lateral resolution 失效
    具有高横向分辨率的超声成像系统

    公开(公告)号:US07361144B2

    公开(公告)日:2008-04-22

    申请号:US10512492

    申请日:2003-04-22

    IPC分类号: A61B8/00

    摘要: The invention relates to an ultrasound imaging system for forming an echographic image of a medium, which system includes a set [REC] of transducer elements [EL] which are operative in a transmission mode and in a reception mode for ultrasound waves, construction means [REB] for constructing echographic signals on the basis of signals [S[1] . . . S[N]] received on the transducer elements [EL], display means [DIS] which are coupled to the construction means [REB] in order to display an image of the medium formed by means of the echographic signals. The construction means [REB] are such that in so-called exclusion zones, in which a coherent reflector is detected and which are determined by determination means [DET], the reception delays [D] are estimated in a manner [INT] other than that [CORR] used for the other zones. The calculation [CAL] of echographic signals is then carried out on the basis of the estimated delays [D[Z],Di[Z}}. The invention enables a correction of phase aberrations and nevertheless offers an excellent lateral resolution, notably in the case of point coherent reflectors.

    摘要翻译: 本发明涉及一种用于形成介质的回波图像的超声波成像系统,该系统包括以传输模式和超声波接收模式操作的换能器元件[EL]的组[REC],构造装置[ REB],用于根据信号[S [1]构建回波信号。 。 。 S [N]]接收到传感器元件[EL]上,显示装置[DIS],它们耦合到构造装置[REB],以便显示通过回波信号形成的介质的图像。 构造装置[REB]使得在所谓的排除区域中,其中检测到相干反射器并且由确定装置[DET]确定,所述接收延迟[D]以除[ [CORR]用于其他区域。 然后基于估计的延迟[D [Z],Di [Z}}进行回波信号的计算[CAL]。 本发明能够校正相位差,并且提供优异的横向分辨率,特别是在点相干反射器的情况下。

    Method and apparatus for automatically developing a high performance classifier for producing medically meaningful descriptors in medical diagnosis imaging
    2.
    发明授权
    Method and apparatus for automatically developing a high performance classifier for producing medically meaningful descriptors in medical diagnosis imaging 有权
    用于自动开发用于在医学诊断成像中产生医学上有意义的描述符的高性能分类器的方法和装置

    公开(公告)号:US08208697B2

    公开(公告)日:2012-06-26

    申请号:US11721999

    申请日:2005-12-13

    IPC分类号: G06K9/36

    CPC分类号: G06K9/6217

    摘要: A method for determining the presence or absence of malignant features in medical images, wherein a plurality of base comparison or training images of various types of lesions taken of actual patient is examined by one or more image reading experts to create a first database array. Low-level features of each of the lesions in the same plurality of base comparisons or training images are determined using one or more image processing algorithms to obtain a second database array set. The first and second database array set are combined to create a training database array set which is input to a learning system that discovers/learns a classifier that maps from a subset of the low-level features to the expert's evaluation in the first database array set. The classifier is used to determine the presence of a particular mid-level feature in an image of lesion in a patient based solely on the image.

    摘要翻译: 一种用于确定医学图像中恶性特征的存在或不存在的方法,其中由一个或多个图像读取专家检查由实际患者取得的各种类型的损伤的多个基础比较或训练图像以创建第一数据库阵列。 使用一个或多个图像处理算法确定相同多个基本比较或训练图像中的每个病变的低级特征以获得第二数据库阵列集。 组合第一和第二数据库阵列组以创建训练数据库阵列集合,其被输入到发现/学习从低级特征的子集映射到第一数据库阵列集合中的专家评估的分类器的学习系统 。 分类器用于仅基于图像来确定患者的病变图像中特定中级特征的存在。

    Ultrasonic imaging apparatus with adaptable spatial image combination
    3.
    发明授权
    Ultrasonic imaging apparatus with adaptable spatial image combination 有权
    具有适应性空间图像组合的超声成像设备

    公开(公告)号:US08355547B2

    公开(公告)日:2013-01-15

    申请号:US10525132

    申请日:2003-08-05

    IPC分类号: G06K9/00

    CPC分类号: G01S15/8995 G01S7/52077

    摘要: An ultrasonic imaging apparatus using a method for combining CMB images of the same object including a step of seeking representative contours CNT of an interface on the images to be combined IM,[I], IM[J] is disclosed. The step is intended to define interest areas IA[I], IA[J] in the vicinity of the representative contours. The method also includes analyzing the interest areas IA[I], IA[J] being intended to allocate weights W[I], W[J] to the points on the interest areas IA[I], IA[J] and to the points corresponding to the interest areas IA[I], IA[J] on the various images. The method also includes constructing a combination image IMC, a point on the combination image IMC corresponding to a point on at least one interest area IA being obtained from a weighting of the corresponding points on the images to be combined IM[I], IM[J] according to the weights W[I], W[J] allocated in the analysis step ANA.

    摘要翻译: 公开了一种使用组合相同对象的CMB图像的方法的超声波成像装置,包括在待组合的图像IM,[I],IM [J]上的接口的代表性轮廓CNT的步骤。 该步骤旨在定义在代表性轮廓附近的兴趣区域IA [I],IA [J]。 该方法还包括分析兴趣区域IA [I],IA [J]旨在将权重W [I],W [J]分配给兴趣区域IA [I],IA [J]上的点,以及 对应于各个图像上的兴趣区域IA [I],IA [J]的点。 该方法还包括构成组合图像IMC,对应于要组合的图像上的对应点的加权获得的至少一个感兴趣区域IA上的点上的组合图像IMC上的点,IM [I],IM [ J]根据在分析步骤ANA中分配的权重W [I],W [J]。

    Fetal heartbeat doppler transducer
    5.
    发明授权
    Fetal heartbeat doppler transducer 失效
    胎心跳多普勒换能器

    公开(公告)号:US4503861A

    公开(公告)日:1985-03-12

    申请号:US500061

    申请日:1983-06-01

    IPC分类号: A61B8/02 G10K11/30 A61B10/00

    CPC分类号: A61B8/02 A61B8/0866 G10K11/30

    摘要: A doppler transducer which is particularly well adapted for use in fetal heartbeat measurements is comprised of a piston type transducer with a pair of lenses, which together provide both a divergent acoustic pattern and a flat surface for good acoustic coupling between the transducer and the mother's abdomen.

    摘要翻译: 特别适用于胎儿心跳测量的多普勒换能器包括具有一对透镜的活塞式换能器,其一起提供发散声学图形和平坦表面,用于在换能器和母体腹部之间良好的声耦合 。

    Compression plate for diagnostic breast imaging
    8.
    发明授权
    Compression plate for diagnostic breast imaging 失效
    压缩板用于诊断乳腺成像

    公开(公告)号:US06682484B1

    公开(公告)日:2004-01-27

    申请号:US10194766

    申请日:2002-07-12

    IPC分类号: A61B800

    CPC分类号: A61B8/0825

    摘要: A breast imaging system is described which includes compression plates for retaining a breast during an examination. One of compression plates is formed by a polymeric membrane stretched under tension to provide a rigid but compliant retention surface which is substantially acoustically transparent for the conduct of a sonographic examination. The polymeric membrane may also be substantially radiographically transparent for the conduct of a mammographic examination. The thickness of the membrane is chosen to be a function of one-half of the wavelength of the ultrasonic frequency used for the sonographic examination so as to be substantially transparent to ultrasonic energy at that frequency.

    摘要翻译: 描述了一种乳房成像系统,其包括用于在检查期间保持乳房的压缩板。 压缩板中的一个由在张力下拉伸的聚合物膜形成,以提供刚性但顺从的保持表面,该保持表面对于进行超声波检查而言基本上是声学透明的。 对于进行乳房X线照相检查,聚合物膜也可以基本上是放射学透明的。 膜的厚度选择为用于超声波检查的超声频率的波长的一半的函数,以便在该频率下对超声能量基本上是透明的。

    Doppler flow sensing device and method for its use
    10.
    发明授权
    Doppler flow sensing device and method for its use 失效
    多普勒流感测装置及其使用方法

    公开(公告)号:US5085220A

    公开(公告)日:1992-02-04

    申请号:US417525

    申请日:1989-10-05

    IPC分类号: A61B8/06 G01F1/66 G01P5/24

    CPC分类号: A61B8/065 G01F1/663 G01P5/244

    摘要: A device for sensing blood flow in a human aorta and a method for its use. The device includes two arrays, each array including one or more ultrasonic transducers for transmitting and/or receiving ultrasonic pulses. By appropriate weighting and phasing of the two ultrasonic arrays, a wide beam for insonifying the entire aorta, and a narrow beam for insonifying only a portion of the interior of the aorta, are produced. In addition, signals from the arrays can be processed to produce a signal indicating the direction to move the device so that the wide beam insonifies the entire aorta and the narrow beam insonifies only an interior portion of the aorta. The direction-finding array can be made from sensors arranged in a north-south-east-west pattern or as four sectors of an annulus.