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Submitted on: 27 January 2011.
Revised on: 25 April 2011.
Accepted on: 10 June 2011.
___________________IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
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Submitted on: 08 May 2006.
Revised on: 12 August 2006.
Accepted on: 26 August 2006.
___________________IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
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