OPTICAL-DIGITAL METHOD OF LOCAL HISTOGRAM CALCULATION BY THRESHOLD DECOMPOSITION

被引：14
|
作者：
KOBER, V
CICHOCKI, T
GEDZIOROWSKI, M
SZOPLIK, T
机构：
[1] Institute of Geophysics, University of Warsaw, WS, 02-093
来源：
APPLIED OPTICS | 1993年 / 32卷 / 05期
关键词：
NONLINEAR IMAGE PROCESSING; RANK-ORDER FILTERS; THRESHOLD DECOMPOSITION;
D O I：
10.1364/AO.32.000692
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A theorem for calculating the local histograms of a gray-scale input image by means of convolution of input-image binary slices with a binary kernel is presented and proved. The calculation of the local histograms of a gray-scale image for all resolution cells and its arbitrary neighborhoods is optically implemented in a shadow-casting correlator. The choice of different rank-order values from the local histograms can lead to a wide spectrum of nonlinear filtration algorithms.
引用
收藏
页码：692 / 698
页数：7
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