Medical image processing using transient Fourier holography in bacteriorhodopsin films

被引：12
|
作者：
Kothapalli, SR [1 ]
Wu, PF [1 ]
Yelleswarapu, CS [1 ]
Rao, DVGLN [1 ]
机构：
[1] Univ Massachusetts, Dept Phys, Boston, MA 02125 USA
来源：
APPLIED PHYSICS LETTERS | 2004年 / 85卷 / 24期
基金：
美国国家卫生研究院;
关键词：
D O I：
10.1063/1.1833567
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Real time image processing is demonstrated by recording and reconstructing the transient photoisomerizative grating formed in the bR film using Fourier holography. Desired spatial frequencies including both high and low band in the object beam are reconstructed by controlling the reference beam intensity. The results are in agreement with a theoretical model based on photoisomerization grating. We exploit this technique to process mammograms in real-time for identification of microcalcifications buried in the soft tissue for early detection of breast cancer. A feature of the technique is the ability to transient display of selected spatial frequencies in the reconstructing process which enables the radiologists to study the features of interest. (C) 2004 American Institute of Physics.
引用
收藏
页码：5836 / 5838
页数：3
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