Plane Wave Compounding(平面波复利)研究综述
Plane Wave Compounding 平面波复利 - Speckle tracking using optimum comparison frames (STO) is proposed to improve the blood flow velocity profile (BFVP) estimation based on ultrafast ultrasound with coherent plane-wave compounding. [1] Compared with the traditional three-angle plane-wave compounding (TTPC) without the plane-wave reusing scheme, the RAPC-based PRF is advanced 1. [2] We previously proposed the frequency and plane-wave compounding minimum variance distortion-free response (FPWC-MVDR) beamformer for ultrasonic reception beamforming, which weights the transmission angle and frequency band adaptively. [3] Plane-wave compounding is an active topic of research in ultrasound imaging because it is a promising technique for ultrafast ultrasound imaging. [4] BACKGROUND AND OBJECTIVE Beamforming in coherent plane-wave compounding (CPWC) is an essential step in maintaining high resolution, contrast and framerate. [5] Coherent plane-wave compounding (CPWC) enables a continuous high frame rate acquisition and improved image quality due to dynamic transmit focusing. [6] Coherent Plane-Wave Compounding (CPWC) is a compromise between the frame rate and image quality after a single plane wave imaging, which emits plane waves at different angles to form a backscattered signal through the target, and then forms an image by superimposing it. [7] The method, Ultrasound Pixel-Reassignment (UPR), provides a resolution and signal to noise (SNR) improvement in ultrasound imaging by computationally reassigning off-focus signals acquired using traditional plane-wave compounding ultrasonography. [8] Recently, coherent plane-wave compounding (CPWC) that achieves high spatiotemporal resolution has been studied actively as a spatial compounding beamformer. [9] 21% (experiment) compared with coherent plane-wave compounding (CPWC) while 2. [10] Towards this, a novel approach called reflection tuned apodization (RTA) using coherent plane-wave compounding is proposed, where the apodization window is aligned appropriately by analyzing the reflections from the transmitted plane wave angles for each pixel. [11] While generating enough acoustic energy to image deeper tissue, this design significantly limits the beam steering possibilities still allowing for plane wave compounding. [12]提出了使用最佳比较框架（STO）的散斑跟踪，以改进基于相干平面波复合的超快超声的血流速度分布（BFVP）估计。 [1] 与没有平面波复用方案的传统三角平面波复合（TTPC）相比，基于RAPC的PRF具有先进性1。 [2] 我们之前提出了用于超声波接收波束形成的频率和平面波复合最小方差无失真响应（FPWC-MVDR）波束形成器，它自适应地加权传输角度和频带。 [3] 平面波复合是超声成像研究的一个活跃课题，因为它是一种很有前途的超快超声成像技术。 [4] 背景和目标 相干平面波复合 (CPWC) 中的波束成形是保持高分辨率、对比度和帧速率的重要步骤。 [5] 由于动态传输聚焦，相干平面波复合 (CPWC) 能够实现连续的高帧速率采集和改进的图像质量。 [6] 相干平面波复合（CPWC）是单次平面波成像后在帧率和图像质量之间的折衷，它以不同的角度发射平面波，通过目标形成后向散射信号，然后通过叠加形成图像。 [7] 该方法称为超声像素重新分配 (UPR)，通过计算重新分配使用传统平面波复合超声检查获得的离焦信号，提高了超声成像的分辨率和信噪比 (SNR)。 [8] 最近，已积极研究实现高时空分辨率的相干平面波复合（CPWC）作为空间复合波束形成器。 [9] 21%（实验）与相干平面波复合（CPWC）相比，2. [10] 为此，提出了一种使用相干平面波复合的称为反射调谐变迹 (RTA) 的新方法，其中通过分析每个像素的透射平面波角度的反射来适当地对齐变迹窗口。 [11] 在产生足够的声能来对更深的组织进行成像的同时，这种设计显着限制了波束控制的可能性，仍然允许平面波复合。 [12]