Convolution operators illustrated

Echoview's convolution operators are best illustrated by example. The following are comparison tables using extracts from an echogram. Full sized samples are available by clicking on any image.

Convolution operators   - apply to single-beam, split-beam and dual-beam echograms
Multibeam
operators     - apply to multibeam echograms

Single beam convolution operators

 

Original

Predefined convolution kernel operators

 

Blur

Sharpen

 

Original

   
 

Convolution filter operators

 

Erosion filter

Median filter

Dilation filter

3x3

5x5

7x7

Multibeam convolution operators

 

Original

Dual pass operators

 

Beam opening filter

Beam closing filter

 

   
 

Single pass operators

 

Beam erosion filter

Beam median filter

Beam dilation filter

3x3

See also

Convolution operators
Convolution algorithms