[1] [1] RAJA J,MURALIKRISHNAN B,SHENG Y F.Recent advances in separation of roughness waviness and form[J].Precision Eng.,2002,26:222-235

[4] [4] ISO11562-1996,Geometrical Product Specifications(GPS)-Surface Texture:Profile Method-Metrological Characteristics of Phase Correct Filters[S].International Organization for Standardization,Geneva

[5] [5] UNSER M,ALDROUBI A,EDEN M.B-spline signal processing:part Ⅰ-theory[J].IEEE Transactions on Signal Processing,1993,41(2):821-832

[6] [6] UNSER M,ALDROUBI A,EDEN M.B-spline signal processing:part Ⅱ-efficient design and applications[J].IEEE Transactions on Signal Processing,1993,41(2):834-848

[7] [7] UNSER M,ALDROUBI A,EDEN M.Fast B-spline transforms for continuous image representation and interpolation[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,1991,13(3):278-285

[8] [8] KRYSTEK M.Form filtering by splines[J].Measurement,1996,18(1):9-15

[9] [9] KRYSTEK M.Discrete L-spline filtering in roundness measurements[J].Measurement,1996,18(2):129-138

[11] [11] YUAN Y B,QIANG X F,SONG J F,el al..A fast algorithm for determining the Gaussian filtered mean line in surface metrology[J].Prec Eng.,2000,24:62-69