But by applying the High Pass Filter in Photoshop CC, you can selectively paint a sharpening effect onto your images. This means you can choose where to sharpen your image, likely your focal point.

A filter that blocks low frequencies and allows higher frequencies to pass through. Such filters are used in devices such as POTS splitters that direct phone and DSL signals to different lines.

KYOCERA AVX launched the BP1206 and BP2816 series of compact, thin-film band-pass filters to deliver enhanced RF performance ...

Coming in the same brutish-looking form factor as the DS-2, this includes both an emulation of the smooth 2045 low-pass filter and Stylophone’s dirtier Gen R-8 filter, creating a device that the ...