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Number 9

A Natural Human-Machine Interaction via an Efficient Speech Recognition System

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  • Shachi Sharma and Krishna Kumar Sharma and Himanshu Arora 2012. A Natural Human-Machine Interaction via an Efficient Speech Recognition System. International Journal of Applied Information Systems. 4, 9 (December 2012), 31-37. DOI=http://dx.doi.org/10.5120/ijais450797
  • @article{10.5120/ijais2017451568,
    author = {Shachi Sharma and Krishna Kumar Sharma and Himanshu Arora},
    title = {A Natural Human-Machine Interaction via an Efficient Speech Recognition System},
    journal = {International Journal of Applied Information Systems},
    issue_date = {December 2012},
    volume = {4},
    number = {},
    month = {December},
    year = {2012},
    issn = {},
    pages = {31-37},
    numpages = {},
    url = {/archives/volume4/number9/389-0797},
    doi = { 10.5120/ijais12-450797},
    publisher = { xA9 2012 by IJAIS Journal},
    address = {}
    }
    
  • %1 450797
    %A Shachi Sharma
    %A Krishna Kumar Sharma
    %A Himanshu Arora
    %T A Natural Human-Machine Interaction via an Efficient Speech Recognition System
    %J International Journal of Applied Information Systems
    %@ 
    %V 4
    %N 
    %P 31-37
    %D 2012
    %I  xA9 2012 by IJAIS Journal
    

Abstract

Laplacian pyramid based nonlinear diffusion (LPND) method is proposed for speckle noise reduction in medical ultrasound imaging. In this method, speckle is removed by nonlinear diffusion filtering of bandpass ultrasound images in Laplacian pyramid domain. For nonlinear diffusion in each pyramid layer, a Bayesian threshold is automatically determined by a variation of robust median estimator. The proposed LPND method reduces speckle noise significantly while preserving sharp image details. The superiority of the proposed LPND over the conventional LPND based on Gaussian filtering and LPND method based on Butterworth filtering based speckle reduction technique is demonstrated by applying them on synthetic and real ultrasound B-mode images.

References

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  2. M. A. Goodrich, A. Schultz, "Human Robot Interaction: A Survery," Foundations and Trends in Human-Computer Interaction, ISBN 978-1-60198-092-2, Goodrich's Publications Ltd. , vol. 1, pp. 203-275, 2007.
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  7. K. K. Lavania , S. Sharma, K. K. Sharma, "Reviewing Human-Machine Interaction through Speech Recognition approaches and Analyzing an approach for Designing an Efficient System", Proc. of Int. Journal of Computer Applications, January 2012. Vol 38, No. 3, pp. 466-677.

Keywords

Speech Recognition system, DHMM, hybrid feature set

Index Terms

Computer Science
Information Sciences