Page 62 - 《应用声学》2020年第6期

856 2020 年 11 月

表 3 结合 CBWT 和 SSD 前后空化图像的 CNR 值 665–672.
Zhao Jinyu, Tao Chao, Zhang Shuyi, et al. Experimental
Table 3 The CNRs of cavitation images
and theoretical studies on the thermal effect enhancement
before and after CBWT and SSD
of biological samples irradiated by laser co-focused ultra-
sound[J]. Acta Acustica, 2018, 43(4): 665–672.
算法 CNR/dB 算法 CNR/dB
[8] Yin H, Qiao Y, Cao H, et al. Cavitation mapping by
DAS-SSD 23.51 CBWT-DAS-SSD 23.86 sonochemiluminescence with less bubble displacement in-
MV-SSD 19.99 CBWT-MV-SSD 21.55 duced by acoustic radiation force in a 1.2 MHz HIFU[J].
Ultrasonics Sonochemistry, 2014, 21(2): 559–565.
MVCF-SSD 31.73 CBWT-MVCF-SSD 39.25
[9] 马学进, 高琨, 王娜, 等. 高空化组织比的宽带次谐波主动空
图6 是基于CBWT-MVCF-SSD的空化动态监 化成像方法 [J]. 生物医学工程学杂志, 2019, 36(6): 938–944,
956.
控序列图，分别是聚焦超声作用 50 µs、1 ms、2 ms、
Ma Xuejin, Gao Kun, Wang Na, et al. Broadband subhar-
5 ms 时的空化图像，图中高亮区域为泡群，显示了 monic active cavitation imaging method with high cavi-
不同聚焦超声作用时刻空化分布情况，从而达到对 tation tissue ratio[J]. Journal of Biomedical Engineering,
2019, 36(6): 938–944, 956.
空化活动的动态监控。 [10] 许欢. 基于信号处理的声空化监控及组织异常信号检测 [D].
南京: 南京大学, 2018.
4 结论 [11] Farny H C, Holt G R, Ronald A R. Temporal and spatial
detection of HIFU-Induced inertial and hot-vapor cavita-
本文提出一种结合 CBWT、波束合成和 SSD tion with a diagnostic ultrasound system[J]. Ultrasound
in Medicine and Biology, 2009, 35(4): 603–615.
数字减影的超快速主动空化成像方法，主要讨论 [12] Gyngy M, Coussios C C. Passive spatial mapping of in-
了 CBWT、3 种波束合成算法 (DAS、MV、MVCF) ertial cavitation during HIFU exposure[J]. IEEE Transac-
以及SSD数字减影算法对空化图像CNR值的影响， tions on Bio-Medical Engineering, 2010, 57(1): 48–56.
[13] Gateau J, Aubry J F, Pernot M, et al. Combined passive
实验结果表明，CBWT结合波束合成算法可提高空 detection and ultrafast active imaging of cavitation events
化图像的质量和 CNR值，且CBWT-MVCF的效果 induced by short pulses of high-intensity ultrasound[J].
最佳。进一步结合 SSD 数字减影，CBWT-MVCF- IEEE Transactions on Ultrasonics, Ferroelectrics, and Fre-
quency Control, 2011, 58(3): 517–532.
SSD 空化图像最优，其 CNR 值可比 DAS 空化图像 [14] Liu R, Hu H, Xu S, et al. Ultrafast active cavitation
高31.73 dB，可实现对空化活动的动态监控。 imaging with enhanced cavitation to tissue ratio based
on wavelet transform and pulse inversion[J]. The Jour-
nal of the Acoustical Society of America, 2015, 137(6):
参 考 文 献 3099–3106.
[15] Bai C, Xu S, Duan J, et al. Pulse-inversion subhar-
[1] Szabo T L. Diagnostic ultrasound imaging: inside out[M]. monic ultrafast active cavitation imaging in tissue us-
ing fast eigenspace-based adaptive beamforming and cav-
New York: Academic Press, 2004.
[2] Elias W J, Kassell N F. Focused ultrasound surgery[J]. itation deconvolution[J]. IEEE Transactions on Ultrason-
Neurosurgical Focus, 2012, 32(1): Introduction. ics Ferroelectrics and Frequency Control, 2017, 64(8):
[3] 冯若. 高强度聚焦超声 (HIFU) 无创外科——21 世纪治疗肿 1175–1193.
瘤的新技术 [J]. 应用声学, 2001, 20(2): 38–42. [16] 黄玉蓉, 余锦华, 汪源源, 等. 基于微泡母小波变换的超声造
Feng Ruo. High intensity focused ultrasound (HIFU) non- 影成像方法 [J]. 航天医学与医学工程, 2018, 31(1): 37–42.
invasive surgery—A new technology for the treatment of Huang Yurong, Yu Jinhua, Wang Yuanyuan, et al. Ul-
tumors in the 21st century[J]. Applied Acoustics, 2001, trasound contrast imaging method based on microbub-
20(2): 38–42. ble mother wavelet transform[J]. Aerospace Medicine and
[4] Swart B, Zhao Y, Khakua M, et al. In situ characterisa- Medical Engineering, 2018, 31(1): 37–42.
tion of size distribution and rise velocity of microbubbles [17] Plesst M S. The dynamics of cavitation bubbles[J]. Jour-
by high-speed photography[J]. Chemical Engineering Sci- nal of Applied Mechanics, 1949, 16(3): 277–282.
ence, 2020, 225: 115836. [18] 徐珊珊. 空化微泡尺寸分布与包膜微泡时空控制释放 [D]. 西
[5] 孙雪, 张宇宁. 基于高速摄影技术的自由液面附近空化现象研 安: 西安交通大学, 2014.
究 [C]. 2019 年全国工业流体力学会议摘要集, 2019. [19] 丁婷, 胡虹, 杨录, 等. 融合最小方差自适应和相干系数波束
[6] Gao Y, Du X. Stability mechanisms of gas bubbles sub- 合成的超快速主动空化成像方法 [J]. 测试科学与仪器, 2017,
ject to ultrasonic field during the rectified diffusion in liq- 8(1): 68–77.
uids[J]. Journal of Harbin Institute of Technology(New Ding Ting, Hu Hong, Yang Lu, et al. Minimum vari-
Series), 2019, 26(1): 68–76. ance adaptive beamforming combined with coherence fac-
[7] 赵瑾瑜, 陶超, 张淑仪, 等. 激光协同聚焦超声辐照生物样 tor weighting applied to ultrafast active cavitation imag-
品增强热效应的实验和理论研究 [J]. 声学学报, 2018, 43(4): ing[J]. Test Science and Instruments, 2017, 8(1): 68–77.