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The improvement of the quality and diagnostic value of ultrasound images has been an ongoing research theme for the last three decades. Cardiac ultrasound suffers from a wide range of artefacts such as acoustic noise, shadowing and enhancement. Most artefacts are a consequence of the interaction of the transmitted ultrasound signals with anatomic structures of the examined body. Structures such as bone, lungs (air) and fat have a direct limiting effect on the quality of the acquired images. Furthermore, physical phenomena like speckle introduce a granular pattern on the imaged tissue structures that can sometimes obscure fine anatomic detail. Over the years, numerous studies have attempted to address a range of artefacts in medical ultrasound, including cardiac ultrasound B-mode images. This review provides extensive coverage of such attempts identifying their limitations as well as future research opportunities.
|Journal||IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control|
|Early online date||8 Feb 2016|
|Publication status||E-pub ahead of print - 8 Feb 2016|