A NIR optical imaging system for breast cancer detection

Author

Fan Xiaofei ; Gao Tianxin ; Zhang Yonghong ; Jing, Bai

Author_Institution

Dept. of Biomed. Eng., Tsinghua Univ., Beijing, China

fYear

2004

fDate

24-27 Aug. 2004

Firstpage

455

Lastpage

456

Abstract

The paper presents a near-infrared (NIR) optical tissue imaging system, based on the principles of frequency-domain spectroscopy, which uses diffusive photons to detect breast cancer. The light source, a 780 nm laser diode, is modulated at 49.86 MHz. A photomultiplier tube detects the transmitted light and a 50 MHz signal is incorporated to demodulate the detected optical signal. The AC amplitude data is processed by computer, and then the optical mammograms are displayed on a computer screen in real time. Results prove the usefulness of this approach to distinguish between tumor and healthy tissue.

Keywords

biomedical optical imaging; cancer; frequency-domain analysis; infrared spectroscopy; mammography; medical image processing; photomultipliers; tumours; 49.86 MHz; 50 MHz; 780 nm; AC amplitude data; NIR optical imaging system; breast cancer detection; diffusive photons; frequency-domain spectroscopy; near-infrared optical tissue imaging system; optical mammograms; photomultiplier tube detector; tumor; Breast cancer; Cancer detection; Computer displays; Diode lasers; Light sources; Optical computing; Optical imaging; Optical modulation; Photomultipliers; Spectroscopy;

fLanguage

English

Publisher

ieee

Conference_Titel

Radio Science Conference, 2004. Proceedings. 2004 Asia-Pacific

Print_ISBN

0-7803-8404-0

Type

conf

DOI

10.1109/APRASC.2004.1422516

Filename

1422516