Commit e1207710 authored by Christian Tischer's avatar Christian Tischer

EMBL Course

parent 984bdf41
......@@ -85,18 +85,16 @@ TODO
<img src='https://g.gravizo.com/svg?
digraph G {
shift [fontcolor=white,color=white];
"tophat filter" -> "rank filter sequence" [label=" is"];
"tophat filter" -> "local background subtraction";
"tophat" -> "rank filter sequence";
"tophat" -> "local background subtraction";
}
'/>
```
tophat( image ) = image - dilation( erosion( image, r), r )
tophat( image ) = image - opening( image, r ) = image - dilation( erosion( image, r), r )
```
TODO: Add image from pdf
### Activity: Explore tophat filter
......@@ -131,8 +129,9 @@ TODO
<img src='https://g.gravizo.com/svg?
digraph G {
shift [fontcolor=white,color=white];
"median" -> "local background";
"median" -> "local background" [label=" approximates"];
"median" -> "radius" -> "about 3 times larger than foreground objects";
}
'/>
......@@ -141,7 +140,6 @@ TODO
median_based_background_correction = image - median( image, r)
```
TODO: Add image from pdf
### Activity: Implement median based background subtraction
......
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