CPC Subgroup
G06V 10/36 Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering
Full Title
Arrangements for image or video recognition or understanding (character recognition in images or video G06V30/10) > Image preprocessing > Applying a local operator, i.e. means to operate on image points situated in the vicinity of a given point; Non-linear local filtering operations, e.g. median filtering