Edge-enhanced tomographic imaging with parallel projection differences

被引:1
|
作者
Ornelas-Rodriguez, FJ
Rodriguez-Zurita, G
Rodriguez-Vera, R
机构
[1] Ctr Invest Opt, Leon 37000, Gto, Mexico
[2] Benemerita Univ Autonoma Puebla, Fac Ciencias Fis & Matemat, Puebla 72000, Mexico
关键词
tomographic imaging; angular derivative; distribution gradients;
D O I
10.1016/S0030-4018(98)00592-6
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
It is remarked that the angular derivative is an image operation easily implemented in tomographic systems by calculating the adjacent projection differences in sequence. This operation emphasizes distribution gradients. Numerical and experimental tests (absorption objects) are shown. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:23 / 28
页数:6
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