Scanned maps processing using wavelet domain hidden Markov models

被引：0
|
作者：
Rus, C [1 ]
Bilcu, RC [1 ]
Egiazarian, K [1 ]
Rusu, C [1 ]
机构：
[1] Tech Univ Cluj Napoca, Dept Elect & Telecommun, Cluj Napoca, Romania
来源：
ISCCSP : 2004 FIRST INTERNATIONAL SYMPOSIUM ON CONTROL, COMMUNICATIONS AND SIGNAL PROCESSING | 2004年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper seeks to find ways to remove the unwanted information from the scanned GIS maps using wavelet domain hidden Markov models. WHMMs have proven to be a valuable tool for signal denoising, while they preserve the edges, so they can be used to remove the dithering effect that occurs during the printing process of the map. Linework data can be viewed as edges in the scanned map image. And, since WHMMs are well suited to images containing singularities (edges), they provide a good classifier for distinguishing between linework and elevation data (smoother areas in the image).
引用
收藏
页码：451 / 454
页数：4
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