NDLI: Image quality improvement based on inter-frame motion compensation for photoacoustic imaging: A preliminary study

Content Provider	IEEE Xplore Digital Library
Author	Minjae Kim Jeeun Kang Jin Ho Chang Tai-Kyong Song Yangmo Yoo
Copyright Year	2013
Description	Author affiliation: Interdiscipl. Program of Integrated Biotechnol., Sogang Univ., Seoul, South Korea (Jin Ho Chang) \|\| Dept. of Electron. Eng., Sogang Univ., Seoul, South Korea (Minjae Kim; Jeeun Kang; Tai-Kyong Song; Yangmo Yoo)
Abstract	Photoacoustic imaging (PAI) is capable of providing real-time anatomical and functional information of pathological changes. In PAI, the frame averaging (FA) technique is commonly used for enhancing signal-to-noise ratio (SNR) instead of increasing the power of a pulsed laser to avoid unwanted adverse effects. However, the FA technique suffers from motion artifacts due to the limited pulse repetition frequencies (PRFs) (e.g., 10-20 Hz) of a commonly-used Nd:Yag laser. In this paper, to improve the image quality of PAI, a new FA technique combined with inter-frame motion compensation (i.e., FA-IFMC) is proposed. The RF data acquisition was conducted with a commercial ultrasound imaging system (Ultrasonix Inc., Vancouver, BC, Canada) for the 0.9-mm diameter graphite lead-injected chicken breast. For the laser excitation, a Surelite Nd:YAG OPO system (Continuum Inc., Santa Clara, CA, USA) was used at the rate of 10 Hz and at the wavelength of 700nm with a bifurcated fiber bundle. From the phantom experiment, peak signal-to-noise ratio (PSNR) and the axial resolution were improved by 15.8 dB and 1.06 mm compared to the conventional FA method, respectively. These results indicate that the suggested FA-IFMC method can improve image quality of PAI by enhancing PSNR and axial resolution due to the lowerd blurring artifacts from motions.
Sponsorship	IEEE Ultrason., Ferroelectr., Freq. Control Society
Starting Page	1528
Ending Page	1531
File Size	1622207
Page Count	4
File Format	PDF
ISSN	19485719
e-ISBN	9781467356862
DOI	10.1109/ULTSYM.2013.0388
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	PSNR Motion compensation Imaging Image resolution Image quality Lasers Photoacoustic imaging Image quality improvement Frame averaging
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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