Contrast Enhancement Using Lifting Wavelet Transform

被引：0
|
作者：
Singh, Koushlendra K. [1 ]
Pandey, Rajesh K. [1 ]
Suman, Suraj [2 ]
机构：
[1] PDPM Indian Inst Informat Technol, Design Mfg, Jabalpur, MP, India
[2] Indian Inst Technol, Patna, Bihar, India
来源：
2014 INTERNATIONAL CONFERENCE ON CONTROL, INSTRUMENTATION, COMMUNICATION AND COMPUTATIONAL TECHNOLOGIES (ICCICCT) | 2014年
关键词：
Lifting Wavelet Transform; Singular Value Decomposition; Image Equalization; HISTOGRAM EQUALIZATION;
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：
In this paper, a new method has been proposed for low contrast image enhancement based on the lifting discrete wavelet transform and singular value decomposition. The given input image decomposes in four subbands with lifting discrete wavelet transform scheme. Then, we estimate the singular value matrix of the low-low subband image and by applying inverse lifting wavelet transform reconstruct enhanced image. The proposed method also compared with the existing traditional methods like general histogram equalization, local histogram equalization and dynamic histogram equalization. The method is tested on different images. The results show that proposed method is batter then existing methods.
引用
收藏
页码：447 / 451
页数：5
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