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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Youfeng Wang Qiuhua Lin |
| Copyright Year | 2010 |
| Description | Author affiliation: School of Information and Communication Engineering, Dalian University of Technology, 116023, China (Youfeng Wang; Qiuhua Lin) |
| Abstract | Independent component analysis with reference (ICA-R) can extract some desired source signals by utilizing rough information about the sources as reference signals, and thus achieve much improved performance compared to standard ICA utilizing no prior information. To facilitate real applications of ICA-R, this paper presents hardware implementation of a one-unit fixed-point ICA-R algorithm which extracts desired sources one by one. The algorithm is divided into five modules including input module, unmixing module, weight vector updating module, judgment module, and output module. Specifically, the nonlinear function in the weight vector updating module is designed based on piecewise linear approximation. The one-unit fixed-point ICA-R algorithm is implemented on Xilinx FPGA Virtex-II Pro XC2VP30 using System Generator for DSP, Simulink, and Xilinx ISE. The experiment results with speech signals show the efficacy of the FPGA implementation. |
| Starting Page | 191 |
| Ending Page | 194 |
| File Size | 686521 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424470471 |
| e-ISBN | 9781424470501 |
| DOI | 10.1109/ICICIP.2010.5564301 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-08-13 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Conferences Information processing Intelligent control |
| Content Type | Text |
| Resource Type | Article |
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