In vitro photoacoustic tomography using LMS adaptive filter for chicken testicular

Author

Tai Chieh Wu ; Che Hua Yang

Author_Institution

Coll. of Mech. & Electr. Eng., Nat. Taipei Univ. of Technol., Taipei, Taiwan

fYear

2013

fDate

Oct. 27 2013-Nov. 2 2013

Firstpage

1

Lastpage

3

Abstract

Photoacoustic tomography (PAT) was explored to reconstruct biomedical image. The pulsed laser irradiated tissues to generate acoustic waves based on photoacoustic effect. In this study, we consider the application of LMS adaptive filter for photoacoustic imaging and investigate the performance of this method. Normally, the image spatial resolution depends on the central frequency of ultrasound transducer. By using LMS adaptive filter, we extract the PA signal from tissue with high SNR to reconstruct image. The result shows the better spatial resolution than original one beyond the physical restriction of the system. The spatial resolution can reach 200 μm.

Keywords

acoustic tomography; adaptive filters; biological tissues; biomedical optical imaging; image reconstruction; image resolution; least mean squares methods; medical image processing; photoacoustic effect; LMS adaptive filter; PAT; acoustic waves; biomedical image reconstruction; chicken testicular; image spatial resolution; photoacoustic effect; photoacoustic imaging; photoacoustic tomography; pulsed laser irradiated tissue; size 200 mum; ultrasound transducer central frequency; Adaptive filters; Image reconstruction; Least squares approximations; Optical filters; Signal processing algorithms; Spatial resolution; Ultrasonic imaging;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2013 IEEE

Conference_Location

Seoul

Print_ISBN

978-1-4799-0533-1

Type

conf

DOI

10.1109/NSSMIC.2013.6829148

Filename

6829148