CIB image toolbox technical manual

6.4. Noise filters

BilateralFilter
HuangBilateralFilter
MedianBlurFilter

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BilateralFilter

Parameters: KernelSize:15|ColorSigma:170|SpaceSigma:210

Output:

Implementation of generic bilateral filter.

This filter is described in Zhang, M., 2009. Bilateral filter in image processing.

Parameters of this filter can be described in profile:

<ProcessingProfile>
...
 
<BilateralFilter>
 <KernelSize>5</KernelSize> 
 <ColorSigma>100</ColorSigma>
 <SpaceSigma>150</SpaceSigma>
</BilateralFilter>
...
</ProcessingProfile>

Property name	Description	Default value
KernelSize	Size of kernel of bilateral filter	5
ColorSigma	Sigma for intensity range	100
SpaceSigma	Sigma for space range	150

HuangBilateralFilter

Parameters: KernelSize:15|ColorSigma:170|SpaceSigma:210

Output:

Implementation of Huang bilateral filter.

This filter is described in Huang, Y.L. and Fuh, C.S., 2006. Noise reduction using enhanced bilateral filter. Images and Recognition, 12(4), pp.46-53.

Parameters of this filter can be described in profile:

<ProcessingProfile>
...
 
<HuangBilateralFilter> 
 <KernelSize>5</KernelSize>
 <ColorSigma>100</ColorSigma>
 <SpaceSigma>150</SpaceSigma>
</HuangBilateralFilter>
...
</ProcessingProfile>

Property name	Description	Default value
KernelSize	Size of kernel of bilateral filter	5
ColorSigma	Sigma for intensity range	100
SpaceSigma	Sigma for space range	150

MedianBlurFilter

Parameters: KernelSize:5

Output:

Interface for median blur filter.

Parameters of this filter can be described in profile:

<ProcessingProfile>
...
 <MedianBlurFilter>
  <KernelSize>5</KernelSize>
 </MedianBlurFilter>
...
</ProcessingProfile>

Property name	Description	Default value
KernelSize	Size of kernel of bilateral filter	5