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A 1V 0.54µW fourth order switched capacitor filter with switched opamp technique for cardiac pacemaker sensing channel.
Jen-Shiun Chiang
Hsueh-Ping Chen
Cheng-ming Ying
Published in:
ISCAS (1) (2003)
Keyphrases
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fourth order
noise removal
high order
partial differential equations
anisotropic diffusion
nonlinear diffusion
edge preservation
image interpolation
noise reduction
edge detection
image analysis
higher order statistics
image enhancement
post processing
denoising
gray level
level set
filtering algorithm
higher order
multiscale