3D ultrasound coherence imaging based on 2D array design

Yanping Jia; Mengling Xu; Mingyue Ding; Ming Yuchi

doi:10.1117/12.2006592

29 March 2013 3D ultrasound coherence imaging based on 2D array design

Yanping Jia, Mengling Xu, Mingyue Ding, Ming Yuchi

Proceedings Volume 8675, Medical Imaging 2013: Ultrasonic Imaging, Tomography, and Therapy; 86750V (2013) https://doi.org/10.1117/12.2006592
Event: SPIE Medical Imaging, 2013, Lake Buena Vista (Orlando Area), Florida, United States

Abstract

During the last decade, various methods for 2D array design have been developed for real-time 3D ultrasonic imaging. Most of the methods concentrated on how to reduce the number of elements and channels to overcome the difficulties in array fabrication and mass data processing. Few works focused on the 2D array beamforming techniques to narrow the main lobe width and suppress the side and grating lobe levels, thus improve the 3D image quality. Coherence imaging (CI) has been verified to suppress the side and grating lobes of the 2D ultrasound images in an effective way. It was based on a statistical analysis of the received signal dispersion. In this paper, two kinds of CI, coherence factor (CF) and sign coherence factor (SCF) are modified for 2D arrays and combined with array designs to improve the 3D ultrasound image qualities. The simulation results of point spread functions show that the main lobe width is narrowed from 1.26mm to 1.01mm and the side lobe level is suppressed from -48.79dB to -79.31dB for dense arrays with CF. Similar simulation results can be obtained for other array designs. The combination of CI and 2D array design provides a potential approach to increase the 3D imaging resolution and contrast without increasing the system complexity.

Citation Download Citation

Yanping Jia, Mengling Xu, Mingyue Ding, and Ming Yuchi "3D ultrasound coherence imaging based on 2D array design", Proc. SPIE 8675, Medical Imaging 2013: Ultrasonic Imaging, Tomography, and Therapy, 86750V (29 March 2013); https://doi.org/10.1117/12.2006592

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