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Results tagged with lowpass-filter
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user 24005
A low-pass filter is an electronic filter that passes low-frequency signals but attenuates signals with frequencies higher than the cutoff frequency.
7
votes
Why is the median filter called 'edge-preserving'?
Non-linearity
A linear filter is mathematically described by the convolution sum (for discrete signals) and the convolution integral for continuous signals. The median cannot be found using a linear …
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