In signal processing, a digital filter is a system that performs mathematical operations on a sampled, discrete-time signal to reduce or enhance certain...

In signal processing, a digital biquad filter is a second order recursive linear filter, containing two poles and two zeros. "Biquad" is an abbreviation...

of color filters is used in most single-chip digital image sensors used in digital cameras, and camcorders to create a color image. The filter pattern...

A high-pass filter (HPF) is an electronic filter that passes signals with a frequency higher than a certain cutoff frequency and attenuates signals with...

may be needed to get a good result. The design of digital filters is a complex topic. Although filters are easily understood and calculated, the practical...

or digital filter. Linear continuous-time circuit is perhaps the most common meaning for filter in the signal processing world, and simply "filter" is...

filter depends on the filter design. The filter is sometimes called a high-cut filter, or treble-cut filter in audio applications. A low-pass filter is...

Look up Filter, filter, filtering, or filters in Wiktionary, the free dictionary. Filter, filtering, filters or filtration may also refer to: Filter (higher-order...

comparable mechanical systems or digital signal processing systems containing only linear elements. Since linear time-invariant filters can be completely characterized...

image sensors in digital cameras, the anti-aliasing filter is also known as an optical low-pass filter (OLPF), blur filter, or AA filter. The mathematics...