Assertion: additional filter | /r/HasProperty | needed in color filter array
Facets:
value: generally
type: DEGREE
value: to reduce aliasing
type: PURPOSE
Source sentences:
text: In a monochrome or three-CCD or Foveon X3 camera, the microlens array alone, if near 100% effective, can provide a significant anti-aliasing effect, while in color filter array (CFA, e.g. Bayer filter) cameras, an additional filter is generally needed to reduce aliasing to an acceptable level.