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    • 83. 发明申请
    • 3D IMAGING FROM 2D SCANS
    • 从2D扫描3D成像
    • WO1998024065A1
    • 1998-06-04
    • PCT/GB1997003250
    • 1997-11-27
    • ZENECA LIMITED
    • ZENECA LIMITEDALLOTT, Christopher, PaulBARRY, Christopher, DavidARUNDEL, Philip, AnthonyJOHN, Nigel, WilliamMELLOR, Paul, Maxwell
    • G06T17/00
    • G01S7/52087A61B8/483G01S15/8993G01S15/8995G06T17/00
    • There is disclosed a method and apparatus for reconstructing in 3D an image of an object scanned in 2D a plurality of times to produce a plurality of 2D image data slices at different angles of inclination. The slices are recorded and stored on a recording medium e.g. video tape, whereon the slices are recorded in succession together with at least one datum which identifies the image data slices as corresponding to at least one changing physical parameter such as positioning, ECG, and/or respiration cycle. The 2D image data slices are processed to create a 3D grid of points containing data values based on at least part of an object being scanned, with the image data values being inserted at the grid points as a result of processing the 2D image data slices in dependence upon said at least one datum. Preferably the scanning is carried out by feehand ultrasound scanning, and can be employed for the non-invasive determination of a condition inside a mammalian body.
    • 公开了一种用于在3D中重构在2D中多次扫描的对象的图像以产生不同倾斜角度的多个2D图像数据切片的方法和装置。 将切片记录并存储在记录介质上,例如 视频磁带,其中片与连续记录的至少一个数据一起记录,所述至少一个数据标识与至少一个改变的物理参数(例如定位,ECG和/或呼吸循环)相对应的图像数据切片。 处理2D图像数据切片以创建基于被扫描对象的至少一部分的包含数据值的点的3D网格,其中图像数据值作为处理2D图像数据切片的结果插入网格点 依赖于所述至少一个基准。 优选地,扫描通过手动超声扫描进行,并且可以用于非侵入式确定哺乳动物体内的状况。
    • 84. 发明公开
    • ULTRASOUND SIGNAL PROCESSING DEVICE, ULTRASOUND SIGNAL PROCESSING METHOD, AND ULTRASOUND DIAGNOSTIC DEVICE
    • 超声波信号处理装置,超声波信号处理方法以及超声波诊断装置
    • EP3267223A1
    • 2018-01-10
    • EP17177101.7
    • 2017-06-21
    • Konica Minolta, Inc.
    • Tsushima, Mineo
    • G01S15/89G01S7/52G10K11/34
    • G01S7/52087A61B8/14A61B8/4477A61B8/5207G01S7/52026G01S15/8915G01S15/8997G10K11/346
    • Ultrasound signal processing device including: transmitter performing transmission events while varying a focal point; receiver generating, for each transmission event, receive signal sequences for transducer elements; delay-and-sum calculator generating, for each transmission event, a sub-frame acoustic line signal including an acoustic line signal for each measurement point located on target lines passing through the focal point and composing a target line group; and synthesizer combining sub-frame acoustic line signals to generate a frame acoustic line signal. The target lines are straight lines, and any measurement point, on any target line, that is spaced away from the focal point by a predetermined distance or more satisfies a condition that distance between the measurement point and a most nearby measurement point on the same target line is smaller than distance between the measurement point and a most nearby one among measurement points on an adjacent target line.
    • 超声波信号处理装置包括:发射器,在改变焦点的同时执行发射事件; 接收器,用于为每个传输事件生成换能器元件的接收信号序列; 延迟求和计算器,针对每个传输事件生成子帧声线信号,该子帧声线信号包括针对位于穿过焦点的目标线上的每个测量点的声线信号并构成目标线组; 以及合成器组合子帧声线信号以生成帧声线信号。 目标线是直线,并且在任何目标线上与焦点间隔预定距离或更远的任何测量点满足测量点与同一目标上的最近测量点之间的距离的条件 线的距离小于相邻目标线上的测量点与测量点中最靠近的测量点之间的距离。