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1. 发明申请

WO1994027402A1 ULTRASOUND IMAGING METHOD AND APPARATUS WITH DYNAMIC NON-LINEAR FILTERING 审中-公开
标题翻译：超声成像方法和装置与动态非线性滤波
公开(公告)号：WO1994027402A1
公开(公告)日：1994-11-24
申请号：PCT/US1994004946
申请日：1994-05-05
申请人： ACUSON CORPORATION
发明人： ACUSON CORPORATION , HEDBERG, Dave , GURACAR, Ismayil, Mustafa , CARP, Stuart , ARENSON, James, Wilfred , MASLAK, Samuel, H. , TIERNEY, Michael, J.
IPC分类号： H04N05/213
CPC分类号： G06T5/20 , G01N2291/02491
摘要： Method and apparatus for enhancing the clarity of diagnostic information in real-time B-mode and M-mode ultrasound displays including a beamformer (1) for acquiring ultrasound signals, a signal processor for processing the ultrasound signal with programmable dynamically variable non-linear filters (4, 7), and a display (9) for viewing the ultrasound signals. The non-linear filters (4, 7) may process video signals in range along each ultrasound scan line or azimuthally along multiple ultrasound scan lines of a two-dimensional B-mode image. The non-linear filters (4, 7) also can be two-dimensionally programmable for processing video signals both in range along each ultrasound scan line and azimuthally along multiple ultrasound scan lines over regions of a two-dimensional B-mode image. The non-linear filter (4, 7) may be responsive to a local signal measurement and to spatial positions in a B-mode image for control of filter parameters. The non-linear filter (4, 7) can also be programmable to accomodate variable system characteristics for particular imaging applications.
摘要翻译：用于增强实时B模式和M模式超声显示中的诊断信息的清晰度的方法和装置，包括用于获取超声信号的波束形成器（1），用可编程动态可变非线性滤波器处理超声信号的信号处理器（4,7）和用于观看超声信号的显示器（9）。非线性滤波器（4,7）可以沿着每个超声波扫描线或沿着二维B模式图像的多个超声扫描线的方位角处理视频信号。非线性滤波器（4,7）也可以二维编程，用于在沿着每个超声波扫描线的范围内以及在二维B模式图像的区域上沿着多个超声扫描线的方位角处理视频信号。非线性滤波器（4,7）可以响应本地信号测量和B模式图像中的空间位置，以控制滤波器参数。非线性滤波器（4,7）也可以被编程为适应特定成像应用的可变系统特性。

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