The?rstinternationalconferenceonwaveletanalysisanditsapplicationswas heldinChinain1999.Followingthesuccessofthe?rstconference,thesecond- ternationalconference(ICWAA2001)washeldinHongKonginDecember2001. Theobjectiveofthisconferenceistoprovideaforumforresearchersworking onbothwavelettheoryanditsapplications.Byidea-sharinganddiscussionson thestateoftheartinwavelettheoryandapplications,ICWAA2001isaimed tostimulatethefuturedevelopment,explorenovelapplications,andexchange ideasfordevelopingrobustsolutions. ByAugust2001,wehadreceived67fullpaperssubmittedfromallover theworld.Toensurethequalityoftheconferenceandproceedings,eachpaper wasreviewedbythreereviewers.Afterathoroughreviewprocess,theprogram committeeselected24regularpapersfororalpresentationand27shortpapers forposterpresentation.Inadditiontothese24oralpresentations,therewere3 invitedtalksdeliveredbydistinguishedresearchers,namelyProf.JohnDaugman fromCambridgeUniversity,UK,Prof.BrunoTorresanifromInria,France,and Prof.VictorWickerhauser,fromWashingtonUniversity,USA.Wemustadd thattheprogramcommitteeandthereviewersdidanexcellentjobwithina tightschedule. WewishtothankalltheauthorsforsubmittingtheirworktoICWAA2001 andalltheparticipants,whetheryoucameasapresenteroranattendee.We hopethattherewasampletimefordiscussionandopportunitytomakenew acquaintances.Finally,wehopethatyouexperiencedaninterestingandexciting conferenceandenjoyedyourstayinHongKong. October2001 YuanY.Tang,VictorWickerhauser PongC.Yuen,C.H.Li 3 . ! " # $ % & !C. C% -% ! ( .) # * A * A * *C ,#AA2001 ! !, C% ,D 18-20,2001 & ! 13 % , * % , ,C , , A , % , % % * " * . ! & !C. C% -% ! ! ! B D C * !, ! ! - : { !/ / % }@ .$% . .%$ " # $ % # % ! , D % C B 1146,C * . , 63130, A - : @ %. . C * ! !- -& * D * D D % B * % $-C &- % % # * * * : * ; ! /#AA2001, ! !, C% ,D 18-20,2001.