Display pixel-based synthetic aperture focusing method for intravascular ultrasound imaging.
Display pixel-based synthetic aperture focusing method for intravascular ultrasound imaging.
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显示基于像素的血管内超声成像合成孔径聚焦方法。
DOI：
10.1109/iembs.2009.5335164
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发表时间：
2009
期刊：
影响因子：
--
通讯作者：
Emelianov,StanislavY
中科院分区：
文献类型：
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作者：
Kim,Seungsoo;Aglyamov,SalavatR;Emelianov,StanislavY
提出了一种结合合成孔径聚焦和显示像素聚焦的血管内超声图像重建技术。虽然合成孔径聚焦方法可以改善血管内超声图像质量，但由于数字扫描转换器的限制，最终显示的图像通常在角度方向上是模糊的。基于显示像素的聚焦方法可以消除由数字扫描转换器引起的模糊效应。因此，通过将基于显示像素的聚焦方法应用于合成孔径聚焦方法，可以进一步提高图像质量，特别是对于血管内超声图像。对基于显示像素的合成孔径聚焦方法进行了实验研究。讨论了基于显示像素的合成孔径聚焦方法的计算复杂度，并与传统的合成孔径聚焦方法进行了比较。
An intravascular ultrasound image reconstruction technique that combines synthetic aperture focusing and display pixel-based focusing methods is presented. Although the synthetic aperture focusing method can improve intravascular ultrasound image quality, the final displayed images are usually blurry in the angular direction due to the limitations of the digital scan converter. The display pixel-based focusing method can eliminate blurring effects caused by the digital scan converter. Therefore, the image quality can be further improved by applying the display pixel-based focusing method to the synthetic aperture focusing method, especially for intravascular ultrasound images. The experimental studies were performed to evaluate display pixel-based synthetic aperture focusing method. The computational complexity of the display pixel-based synthetic aperture focusing method was discussed in comparison with that of the synthetic aperture focusing method.