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80-200-MHz fourth-order continuous-time linear phase filter with automatic frequency tuning.
Mingdeng Chen
José Silva-Martínez
Shahriar Rokhsaz
Moises E. Robinson
Published in:
IEEE J. Solid State Circuits (2003)
Keyphrases
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fourth order
noise removal
high order
partial differential equations
image interpolation
anisotropic diffusion
nonlinear diffusion
noise reduction
smooth regions
edge preservation
estimation error
image enhancement
low order
higher order
multiscale
low frequency
high frequency