2013 IEEE 10th International Symposium on Biomedical Imaging 2013
DOI: 10.1109/isbi.2013.6556592
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Adaptive compounding of synthetic aperture and compounded plane-wave imaging for fast ultrasonography

Abstract: This paper describes the investigation and implementation of a combined synthetic aperture (SA) and compounded plane wave (CPW) ultrasound imaging technique. Individually, these methods offer unique benefits over the conventional transmit beamforming used in ultrasonography (higher resolution and increased signal-to-noise ratio, respectively), and both have the potential for a higher physical frame rate limit. The technique described combines the individual benefits while maintaining a higher frame rate, by ad… Show more

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Cited by 5 publications
(3 citation statements)
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References 18 publications
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“…Experimentally, Kotowick et al [ 36 ] obtained for a CIRS model 40 Multi-Purpose Multi-Tissue Ultrasound Phantom using DAS, plane wave compounding (PWC), and synthetic aperture (SA) in an adaptative system with lateral resolution values higher than 1.0 mm. In this work, we obtained a lateral resolution of 0.5815 mm ( Table 6 ) with sparse arrays using 65 active elements and an angle range of −1.5° to +1.5°, 0.5° step.…”
Section: Discussionmentioning
confidence: 99%
“…Experimentally, Kotowick et al [ 36 ] obtained for a CIRS model 40 Multi-Purpose Multi-Tissue Ultrasound Phantom using DAS, plane wave compounding (PWC), and synthetic aperture (SA) in an adaptative system with lateral resolution values higher than 1.0 mm. In this work, we obtained a lateral resolution of 0.5815 mm ( Table 6 ) with sparse arrays using 65 active elements and an angle range of −1.5° to +1.5°, 0.5° step.…”
Section: Discussionmentioning
confidence: 99%
“…Thus, a transmit delay offset (t offset ) was added to the time delay between the array and every imaging point. According to previous studies [20][21][22][23], the coherent summation of the received signals from plane wave transmits at different angles can generate an equal performance of a focal point of the focused transmits. Therefore, coherent angular compounding can achieve DTxF by creating foci at every imaging point with the unfocused transmit beams.…”
Section: Methodsmentioning
confidence: 97%
“…Then, the plane waves were rotated around the point placed behind the transducer as shown in Figure 3 [21,22]. Thus, a transmit To enhance the quality of images generated from unfocused FT-XR, a dynamic transmit focusing (DTxF) method was applied to reconstruct 2-D imaging planes by utilizing coherent angular compounding [20][21][22][23]. Figure 3 presents a geometrical description of the coherent angular compounding imaging applied in the simulation.…”
Section: Methodsmentioning
confidence: 99%