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 > 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

Classification Context

Section:

PHYSICS

Class:

COMPUTING OR CALCULATING; COUNTING

Subclass:

IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING

Scope Notes

Glossary: BPF band-pass filter DCT discrete cosine transform DoG difference of Gaussians DWT discrete wavelet transform FFT fast Fourier transform HPF high-pass filter Kernel filter kernel, a matrix which an image is convolved with. LPF low-pass filter