Assertion: aliasing filter | /r/Synonym | optical low pass filter
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Source sentences:
text: An anti-aliasing filter – also known as an optical low pass filter (OLPF) – is a small filter that sits over the image sensor in your camera
text: In the case of optical image sampling, as by image sensors in digital cameras, the anti-aliasing filter is also known as an optical low-pass filter (OLPF), blur filter, or AA filter.