NDLI: Aadaptive imaging with multi-phase apodization with cross-correlation: Phantom and in vivo results

Content Provider	IEEE Xplore Digital Library
Author	Shin, J. Yen, J.T.
Copyright Year	2015
Description	Author affiliation: Los Alamos Nat. Lab., Los Alamos, NM, USA (Shin, J.) \|\| Dept. of Biomed. Eng., Univ. of Southern California, Los Angeles, CA, USA (Yen, J.T.)
Abstract	Dual Apodization with Cross-correlation (DAX) is a novel beamforming technique that utilizes a pair of complementary receive amplitude apodizations for ultrasound image contrast enhancement. The effectiveness of DAX in vivo is often reduced because of the strong reverberation clutter signals caused by near-field structures. In this work, we propose a modified version of DAX, known as Multi-Phase Apodization with Cross-correlation (MPAX), which utilizes multiple pairs of complementary phase apodizations for robust suppression of reverberation clutter. Our experimental sponge phantom results and initial clinical results from a healthy volunteer show that MPAX achieves CNR values higher than or comparable to DAX with much more uniform reverberation clutter suppression throughout the field-of-view. Hence, MPAX results in a large improvement in image quality and shows great potential for more accurate diagnosis in clinics.
Starting Page	1
Ending Page	4
File Size	3129532
Page Count	4
File Format	PDF
e-ISBN	9781479981823
DOI	10.1109/ULTSYM.2015.0015
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-21
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Clutter Reverberation Gratings Ultrasonic imaging Phantoms reverberation dual apodiztion multi-apodization phase apodization clutter suppression contrast enhancement beamforming grating lobes
Content Type	Text
Resource Type	Article

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