Presentation 2005/3/10
High-Resolution Image Interpolation Using Two-Dimensional Lagrange-Type Variable Fractional-Delay Filter
Tian-Bo Deng,
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Abstract(in English) We have theoretically proved the Liu-Wei's closed-form formula for computing the coefficients of one-dimensional (1-D) variable fractional-delay (VFD) finite-impulse-response (FIR) digital filter derived from nonlinear interpolating polynomial. In this paper, we extend the 1-D VFD filter design to the two-dimensional (2-D) case and show that the image interpolation using VFD filtering can achieve higher resolution image than the conventional interpolation techniques.
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Keyword(in English) Variable fractional-delay (VFD) filter / Lagrange interpolating polynomial / image interpolation
Paper # SIS2004-60
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Conference Date 2005/3/10(1days)
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Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) High-Resolution Image Interpolation Using Two-Dimensional Lagrange-Type Variable Fractional-Delay Filter
Sub Title (in English)
Keyword(1) Variable fractional-delay (VFD) filter
Keyword(2) Lagrange interpolating polynomial
Keyword(3) image interpolation
1st Author's Name Tian-Bo Deng
1st Author's Affiliation Department of Information Science Faculty of Science, Toho University()
Date 2005/3/10
Paper # SIS2004-60
Volume (vol) vol.104
Number (no) 735
Page pp.pp.-
#Pages 4
Date of Issue