PLANAR MICROWAVE IMAGING CAMERA FOR BIO-MEDICAL APPLICATIONS - CRITICAL AND PROSPECTIVE ANALYSIS OF RECONSTRUCTION ALGORITHMS

被引:41
作者
BOLOMEY, JC [1 ]
PICHOT, C [1 ]
GARBORIAUD, G [1 ]
机构
[1] INST CURIE,MED SECT,F-75005 PARIS,FRANCE
关键词
D O I
10.1029/90RS01644
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
This paper is dealing with the biomedical applications of active microwave imaging. As a result of extensive preliminary evaluations conducted by means of a 2.45-GHz planar camera, it has been proven that active microwave imaging is able to provide a very sensitive means of investigation in such applications. While technological problems have been conveniently solved, the main problem still remains to determine the most efficient way to process the measured data in order to get the best quality of the reconstructed images. Until now, diffraction tomography algorithms based on a spectral approach have been used. The main limitations of this approach and some attempts to reduce them are analyzed. A more prospective discussion allows to identify the most promising reconstruction techniques. Among them, iterative space-domain formulations appear to provide a suitable base for achieving quantitative imaging thanks to a convenient use of the available a priori information.
引用
收藏
页码:541 / 549
页数:9
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