Mid-spatial frequency digital boost filter

Details Mid-spatial frequency digital boost filter Mid-spatial frequency digital boost filter

H - Electricity

03

H

H03H 17/02 (2006.01) H04N 5/205 (2006.01)

Patent

CA 2246438

A finite impulse response digital filter is designed for boosting mid-spatial frequencies as opposed to the frequencies near the sensor resolution limit. The digital filter's boost is centered on frequencies at about half the Nyquist frequency. To prevent over-boosting or enhancement of noise, the detail signal can be run through a coring filter to remove any low amplitude detail signal that resulted from noise.

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