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    • 13. 发明申请
    • BACKPROJECTION APPROACH FOR PHOTOACOUSTIC IMAGE RECONSTRUCTION
    • 背景图像重建方法
    • US20150178959A1
    • 2015-06-25
    • US14577960
    • 2014-12-19
    • He HuangJing Yong Ye
    • He HuangJing Yong Ye
    • G06T11/00A61B5/00
    • G06T11/006A61B5/0095G06T2211/421
    • Various examples are provided for photoacoustic image reconstruction and processing utilizing a backprojection approach. In one example, among others, a method for producing an image with a photoacoustic imaging system includes scanning an object with a plurality of light beams, detecting a plurality of acoustic signals produced by the light beams, and generating a reconstructed image from the plurality of acoustic signals by filtered backprojection (FBP) that utilizes a weighted ramp filter. In another example, a system includes a plurality of acoustic detector units and a processing unit. The acoustic detector units can receive an acoustic wave and convert it to time dependent electrical signals. The processing unit can reconstruct an image of the subject from the time-dependent electrical signals by FBP that utilizes a weighted ramp filter. In another example, non-transitory computer readable medium stores a program that can cause a processing unit to reconstruct an image.
    • 提供了利用反投影方法的光声图像重建和处理的各种示例。 在一个示例中,除其他之外,用于产生具有光声成像系统的图像的方法包括用多个光束扫描对象,检测由光束产生的多个声信号,以及从多个光束生成重建图像 通过使用加权斜坡滤波器的滤波反投影(FBP)的声信号。 在另一示例中,系统包括多个声学检测器单元和处理单元。 声学检测器单元可以接收声波并将其转换为与时间相关的电信号。 处理单元可以通过利用加权斜坡滤波器的FBP从时间相关的电信号中重建被摄体的图像。 在另一示例中,非暂时性计算机可读介质存储可使处理单元重构图像的程序。