Low Complexity 3D Ultrasound Imaging Using Synthetic Aperture Sequential Beamforming
Citations
7 citations
Cites background or methods from "Low Complexity 3D Ultrasound Imagin..."
...In the STSR1 and STSR2 schemes, each subaperture only receives signals transmitted by itself....
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...The number of computations in the second beamforming stage of MTMR2 and MTMRS is higher compared to STSR2 due to the extra delay paths, as described in Section III....
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...Compared to a contemporary 3D SASB method [4], which achieves a volume rate of 11....
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...Since the number of subapertures to generate one imaging volume is 676 for both cases, the computational complexity of MTMR in the first beamforming stage is the same as that of STSR2....
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...The receive subaperture for each scheme is as follows: • STSR2: uniformly distributed array consisting of 16×16 active receive elements with 2λ spacing....
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Cites background or methods from "Low Complexity 3D Ultrasound Imagin..."
...Compared to a contemporary 3D SASB method [4], which achieves a volume rate of 11....
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...To increase the volume rate, we proposed a version of STSR where the subaperture shifts by 2 elements, referred to as STSR2 [4]....
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...01× 10 1 [4]....
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...In our previous work [4], we extended SASB from 2D to 3D...
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...This increase in complexity can be partially mitigated by reducing the number of active receive elements in a subaperture through increasing the spacing between the active receive elements from λ to 2λ [4]....
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References
2,340 citations
"Low Complexity 3D Ultrasound Imagin..." refers methods in this paper
...This “footprint” method is highly memory efficient and is well-suited for GPU implementation....
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Additional excerpts
...The process is repeated for each subaperture one by one, covering the entire imaging area of interest [10]....
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68 citations
"Low Complexity 3D Ultrasound Imagin..." refers background or methods in this paper
...Along the axial direction, the number of wavefronts contributing to an imaging point increases with depth, which helps maintain good lateral resolution, allowing SASB to achieve range-independent resolution [9]....
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...In SASB, the beamforming process is divided into two stages: a fixed transmit and receive beamforming that results in a single scanline, followed by dynamic receive beamforming [9]....
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53 citations