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    • 8. 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。
    • 10. 发明申请
    • Quantitative Two-Photon Flow Cytometry
    • 定量双光子流式细胞术
    • US20080292555A1
    • 2008-11-27
    • US11662835
    • 2005-09-16
    • Jing Yong YeTheodore B. NorrisCheng F. ZhongJames R. Baker
    • Jing Yong YeTheodore B. NorrisCheng F. ZhongJames R. Baker
    • A61K49/00C12Q1/02A61B5/00
    • G01N15/1459G01N15/1404G01N15/1484G01N2015/1075G01N2015/145G01N2015/1472G01N2015/1493
    • A method and apparatus of multi-dye analysis of particles using flow cytometer. The method includes dying particles to be detected using two or more dyes; urging the particles through a capillary in a non-uniform flow; exciting a first of the particles within the capillary using a multiphoton excitation laser beam causing the two or more dyes each to fluoresce thereby producing a first output signal and a second output signal respectively; and detecting the first output signal and the second output signal. A second of the particles within the capillary being excited using the multiphoton excitation laser beam causing the two or more dyes each to fluoresce thereby producing a third output signal and a forth output signal respectively. The method finally includes comparing a ratio of the first output signal and the second output signal to a ratio of the third output signal and the forth output signal to detect a desired change in the particles.
    • 使用流式细胞仪对颗粒进行多染色分析的方法和装置。 该方法包括使用两种或更多种染料染色待检测的颗粒; 以不均匀的流动促使颗粒通过毛细管; 使用多光子激发激光束激发毛细管内的第一颗粒,使得两种或更多种染料各自发荧光,从而分别产生第一输出信号和第二输出信号; 以及检测第一输出信号和第二输出信号。 使用多光子激发激光束激发毛细管内的第二颗粒,使得两种或更多种染料各自发出荧光,从而分别产生第三输出信号和第四输出信号。 该方法最后包括将第一输出信号和第二输出信号的比率与第三输出信号和第四输出信号的比率进行比较,以检测颗粒中期望的变化。