Experimental study on bone phantom imaging using ultrasound velocity inversion and reverse time migration
2022 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IEEE IUS)(2022)
摘要
Recently, using ultrasound to image the bone has attracted researchers' attention. Accurate sound speed estimation is crucial for bone ultrasound imaging. In this paper we use a bone phantom to investigate the feasibility of combining ultrasound speed estimation and reverse time migration to imaging the bone and characterization. Compared with constant velocity result, the inhomogeneous velocity distribution estimated by bent-ray assumption has the ability to image the inner layer of the bone, which is promising in bone diagnosis application.
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关键词
Bone,bent-ray,arrival time,sound speed estimation,reverse time migration
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