Spatial Frequency Filters - Effects and Filters

Pricing Feature Chart Online Manual ActiveX Online Manual

Spatial Frequency Filters

Spatial frequency filters are based on the Fourier transforms and they change the frequency domain of the image.

Black Ice imaging tools currently support the following spatial frequency filters:

Enhance filter	ActiveX	SDK
Fast Fourier Transform	ActiveX	SDK
Highpass filter	ActiveX	SDK
Homomorphic filter	ActiveX	SDK
Inverse filter	ActiveX	SDK
Lowpass filter	ActiveX	SDK
Wiener filter	ActiveX	SDK

Before and after photos of the Document Imaging SDK/ActiveX filters

Other Filters in the Document Imaging SDK/ActiveX

Adaptive Filters	Artistic Filters	Morphological Filters
Nonlinear Filters	Spatial Filters	Spatial Frequency Filters
Edge-Detection Filter	Histogram Filters