Subwavelength motion-correction for ultrafast ultrasound localization microscopy

被引：101

作者：

Hingot, Vincent ^{[1
]}

Errico, Claudia ^{[1
]}

Tanter, Mickael ^{[1
]}

Couture, Olivier ^{[1
]}

机构：

[1] PSL Res Univ, CNRS, INSERM, Inst Langevin,ESPCI Paris, 17 Rue Moreau, F-75012 Paris, France

来源：

ULTRASONICS | 2017年 / 77卷

关键词：

Ultrafast Ultrasound Localization; Microscopy; Subwavelength motion correction; Phase correlation; Spatio-temporal filters; ACOUSTIC SUPERRESOLUTION; MICROBUBBLES; DOPPLER;

D O I：

10.1016/j.ultras.2017.01.008

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Ultrafast Ultrasound Localization Microscopy uses microbubbles that are individually localized with a resolution below 10 mu m. Positions of the microbubbles are accumulated to create a super resolution image, which bypass the diffraction-limit of spatial resolution. However, microbubbles localization is affected by physiological motions at the micrometric scale. Here, we demonstrate a phase correlation method for rigid motion correction. Spatiotemporal filters extract tissue dominated images, which are tracked to correct linear motions and improve the precision of microbubbles' localization, improving the quality of the image. It is the first proof of concept towards a full motion correction strategy and super-resolution imaging in moving tissues. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：17 / 21

页数：5

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