Sign coherence factor‐based double‐stage delay multiply and sum beamforming algorithm for breast cancer detection

The delay‐multiply‐and‐sum (DMAS) beamforming algorithm has been extensively used in medical imaging. In this study, we proposed a fast double‐stage DMAS beamformer for breast cancer detection, combined with the sign coherence factor (SCF), namely SCF‐DMAS. The performance of this method was evaluat...

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Bibliographic Details
Published inMicrowave and optical technology letters Vol. 64; no. 9; pp. 1579 - 1585
Main Authors Hao, Si‐Si, Li, Jian‐Ying, Feng, Yao, Yu, Xu‐Jing
Format Journal Article
LanguageEnglish
Published New York Wiley Subscription Services, Inc 01.09.2022
Subjects
Algorithms
Antenna arrays
array antenna
Beamforming
Clutter
Coherence
delay multiply and sum
Medical imaging
microwave imaging
Sidelobe reduction
Sidelobes
sign coherence factor
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ISSN0895-2477
1098-2760
DOI10.1002/mop.33332

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Summary:The delay‐multiply‐and‐sum (DMAS) beamforming algorithm has been extensively used in medical imaging. In this study, we proposed a fast double‐stage DMAS beamformer for breast cancer detection, combined with the sign coherence factor (SCF), namely SCF‐DMAS. The performance of this method was evaluated on a three‐dimensional‐printed breast phantom surrounded by evenly spaced circular array antennas. The results show that the proposed algorithm outperforms the other beamformers involved with respect to the signal‐to‐clutter Ratio, signal‐to‐mean ratio, and localization error. To summarize, the SCF‐DMAS improves the resolution and sidelobe suppression without significantly increasing the computational complexity.
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ISSN:0895-2477
1098-2760
DOI:10.1002/mop.33332