Medical ultrasound imaging based on cross-correlation adaptive weighting

Zheng Chi-Chao; Peng Hu; Han Zhi-Hui

doi:10.7498/aps.63.148702

Abstract

According to the cross-correlation between the ultrasonic echo signals of ultrasonic imaging system, ultrasonic imaging algorithm based on cross-correlation adaptive weighting is introduced. This method determines the weight on the correlation between the echo signals of scatters at different positions, and then the adaptive weighted imaging is performed. The sidelobe and the noise which has the low correlation are suppressed. Simulations to points object and speckle object pattern using Field Ⅱ show that the method of imaging fast, and it can give a high horizontal and longitudinal resolution. Compared with delay and sum (DAS) algorithm, the contrast of the image to point object is increased by 16 dB. The contrast of the image to sound-absorbing speckle is increased by 0.85 dB. The results of experiments in which the complete data sets are used, show that the resolution is better than that of DAS algorithm and the contrast is increased by 17 dB.

Keywords:

Authors and contacts

1.
Department of Biomedical Engineering, Hefei University of Technology, Hefei 230009, China
Funds: Project supported by the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 61201060) and the National Natural Science Foundation of China (Grant No. 61172037).

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Cited By

[1]	Peng J S, Peng H 2012 Acta Phys. Sin. 61 248701 (in Chinese) [彭京思, 彭虎 2012 61 248701]
[2]	Zheng Z G, Ta D A 2012 Acta Phys. Sin. 61 134304 (in Chinese) [张正罡, 他得安 2012 61 134304]
[3]	Zhao G M, Lu M Z, Wan M X, Fang L 2009 Acta Phys. Sin. 58 6603 (in Chinese) [赵贵敏, 陆明珠, 万明习, 方莉 2009 58 6603]
[4]	Yu J, Chen C Y, Chen G, Guo X S, Ma Y, Tu J, Zhang D 2014 Chin. Phys. Lett. 31 034302
[5]	Lu M Z, Wu Y P, Shi Y, Guan Y B, Guo X L, Wan M X 2012 Chin. Phys. Lett. 29 124302
[6]	Cui W C, Tu J, Hwang J H, Li Q, Fan T B, Zhang D, Chen J H, Chen W Z 2012 Chin. Phys. B 21 074301
[7]	Mehdizadeh S, Austeng A, Johansen T F, Holm S 2012 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 59 683
[8]	Asl B M, Mahloojifar A 2011 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 58 858
[9]	Asl B M, Mahloojifar A 2009 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 56 1923
[10]	Li P C, Li M L 2003 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 50 128
[11]	Li M L, Guan W J, Li P C 2004 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 51 63
[12]	Zheng C C, Peng H, Han Z H 2012 Acta Acustica 37 637 (in Chinese) [郑驰超, 彭虎, 韩志会 2012 声学学报 37 637]
[13]	Sakhaei S M 2012 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 59 799
[14]	Wu W T, Pu J, L Y 2011 Acta Acustica 36 66 (in Chinese) [吴文焘, 蒲杰, 吕燚 2011 声学学报 36 66]
[15]	Camacho J, Parrilla M, Fritsch C 2009 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 56 958
[16]	Torbatian Z, Adamson R, Bance M, Brown J A 2010 IEEE Trans. Ultrason. Ferroelectr. and Frequency Control 57 2588
[17]	Jensen J A 1996 Med. Biol. Eng. Comput. 34 351

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Catalog

Vol. 63, Issue 14 - 2014-07-20

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