Speech De-noising System with Non Local Means Algorithm

被引：4
|
作者：
Zoican, Sorin [1 ]
机构：
[1] Univ Politehn Bucuresti, Elect Telecommun & Informat Technol Fac, Bucharest, Romania
来源：
2010 9TH INTERNATIONAL SYMPOSIUM ON ELECTRONICS AND TELECOMMUNICATIONS (ISETC) | 2010年
关键词：
non-local means (NLM); wavelet; noise estimator; digital signal processor (DSP); real time implementation;
D O I：
10.1109/ISETC.2010.5679261
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents how the non-local means (NLM) algorithm may be involved in speech signals denoising. This algorithm can be implemented in real time using a digital signal processor (DSP) such as ADSP2181 from Analog Devices. The performance of NLM algorithm is evaluated and compared with a wavelet based de-noising algorithm. Implementation issues are discussed in order to develop a real time system.
引用
收藏
页码：315 / 318
页数：4
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