- Associate Editor (AE) for IEEE Trans. Circuits and Systems II: Express Briefs (Jan. 2012 --- Dec. 2013)
- Editorial Board Member of Signal Processing (Elsevier's Journal, Apr. 2009 --- Mar. 2012)
- Associate Editor (AE) for Special Issue on DSP, IEICE (Aug. 2003)
- Associate Editor (AE) for Special Issue on Smart Signal Processing, IEICE (Nov. 2005)
- IEEE CAS Society's DSP Technical Committee (TC) Member (May 2006 --- Dec. 2014)
- IEICE CAS Technical Committee (TC) Member, Japan (May 2009 --- Mar. 2012)
--------------------------------------------------------------------------------------------------------------------------------------
- International Conference IEEE ECTI-CON 2017 (Session Chair)
- International Conference ICDIP 2017 (Session Chair)
- International Conference ICMIP 2017 (Session Chair)
- International Conference ICCIP 2016 (Session Chair)
- International Conference IEEE ICIAS 2016 (Session Chair)
- International Conference IEEE ECTI-CON 2016 (Session Chair)
- International Conference IEEE ICSSA 2015 (Session Chair)
- International Conference ACIIDS 2015 (Session Chair)
- International Conference HKICEAS 2014 (Session Chair)
- International Conference IEEE TENCON 2014 (Session Chair)
- International Conference IEEE FSKD 2014 (Session Chair)
- International Conference IEEE ISSNIP 2014 (Session Chair)
- International Conference IEEE ICIT 2014 (Session Chair)
- International Conference IEEE MICC 2013 (Session Chair)
- International Conference IEEE ICCAS 2013 (Korea, Session Chair)
- International Conference IEEE ISCIT 2013 (Session Chair)
- International Conference IEEE SSCI 2013 (Session Chair)
- International Conference IEEE ISCIT 2012 Technical Program Committee (TPC) Member
- International Conference ICESIT 2012 Special Session Chair
- International Conference IEEE ISCIT 2011 Technical Program Committee (TPC) Member
- International Conference IEEE ISCAS 2011 Review Committee Member (RCM)
- International Conference IEEE ICC 2011 Technical Program Committee (TPC) Member
- International Conference IEEE ICICS 2011 (Session Chair)
- International Conference ICT 2010 (Publicity Chair)
- International Conference IEEE ICGCS 2010 (Special Session Organizer and Session Chair)
- International Conference IEEE ICGCS 2010 Technical Program Committee (TPC) Member
- International Conference IEEE ISCIT 2010 Technical Program Committee (TPC) Member
- International Conference IEEE ISCAS 2010 (Session Chair)
- International Conference IEEE ISCIT 2009 Technical Program Committee (TPC) Member
- International Conference IEEE ISCIT 2009 (Session Chair)
- International Conference ITC-CSCC 2009 (Session Chair)
- International Conference IEEE ISPACS 2008 Technical Program Committee (TPC) Member
- International Conference IEEE ISPACS 2008 (Session Chair)
- International Conference IEEE ISCIT 2008 Technical Program Committee (TPC) Member
- International Conference IEEE ISCIT 2008 (Session Chair)
- International Conference IEEE ISCAS 2008 Review Committee Member (RCM)
- International Conference IEEE ISCAS 2008 (Session Chair)
- International Conference IEEE ICCCAS 2008 Track Chair for MSPC
- International Conference IEEE ISCAS 2007 Review Committee Member (RCM)
- International Conference IEEE ISPACS 2007 Technical Program Committee (TPC) Member
- International Conference IEEE ISCIT 2007 Technical Program Committee (TPC) Member
- International Conference ITC-CSCC 2006 (Session Chair)
- International Conference IEEE ISCIT 2006 Technical Program Committee (TPC) Member
- International Conference IEEE ISCIT 2006 (Session Chair)
- International Conference IEEE APCCAS 2006 Technical Program Committee (TPC) Member
- International Conference IEEE APCCAS 2006 (Session Chair)
- International Conference IEEE ISCIT 2005 (Session Chair)
- International Conference NCSP 2004 (Session Chair)
- International Conference IEEE MWSCAS 2004 (Session Chair, Special Session Organizer)
- International Conference IEEE ISCIT 2004 (Special Session Chair)
- International Conference IEEE ISCIT 2003 (Session Chair)
- International Conference IEEE ISCAS 2003 (Session Chair, Special Session Organizer)
- International Conference IEEE ICICS 2003 (Session Chair)
- International Conference IEEE ISPACS 2003 (Session Chair)
- International Conference ITC-CSCC 2002 (Session Chair)
- International Conference ITC-CSCC 2001 (Session Chair)
- International Conference IEEE ICICS 2001 (Session Chair)
- International Conference IEEE ICICS 2001 (Session Chair)
- International Conference IEEE ISCIT 2001 (Session Chair)
- International Conference IEEE ISPACS 2000 (Session Chair)
- International Conference JTC-CSCC 1993 (Session Chair)
- International Conference IEEE ISPACS 1993 (Session Chair)
--------------------------------------------------------------------------------------------------------------------------------------
- IEEE Transactions on Circuits and Systems-I (Reviewer)
- IEEE Transactions on Circuits and Systems-II (Reviewer)
- IEEE Transactions on Signal Processing (Reviewer)
- IEEE Transactions on Signal Processing Letters (Reviewer)
- IEEE Transactions on Communications (Reviewer)
- IEEE Transactions on Audio, Speech and Language Processing
- IEE Proc. Vision, Image & Signal Processing (Reviewer)
- IET Signal Processing (Reviewer)
- International Journal: Signal Processing (Elsevier, Reviewer)
- International Journal: EURASIP Journal on Advances in Signal Processing
- International Journal: Multidimensional Systems and Signal Processing (Reviewer)
- International Journal: Dynamics and Control (Reviewer)
- International Journal: Circuit Theory and Applications (Reviewer)
- International Journal: Circuits, Systems, and Signal Processing (Reviewer)
- IEICE Transactions, Japan (Reviewer)
Membership
Senior Member, IEEE iUSAj