Enhancing the dynamic range of ultrasound imaging velocimetry using interleaved imaging

C Poelma, KH Fraser

Research output: Contribution to journalArticlepeer-review

12 Citations (SciVal)


In recent years, non-invasive velocity field measurement based on the correlation of ultrasound images was introduced as a promising technique for fundamental research into disease processes, as well as a diagnostic tool. A major drawback of the method is the relatively limited dynamic range when conventional echography equipment is used. We present a method by which the restriction of the maximum flow rates can be relaxed, while still retaining the full field-of-view. The method uses conventional hardware, but a novel read-out sequence that interleaves subsequent images. By varying the offset between two interleaved images, we re-introduce the inter-frame time as a parameter that can be optimized for velocimetry. The novel approach is demonstrated with data from an in vitro study of a reference flow.
Original languageEnglish
Pages (from-to)115701
Number of pages1
JournalMeasurement Science and Technology
Issue number11
Publication statusPublished - 25 Sept 2013


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