Commit e1207710 authored by Christian Tischer's avatar Christian Tischer

EMBL Course

parent 984bdf41
...@@ -85,18 +85,16 @@ TODO ...@@ -85,18 +85,16 @@ TODO
<img src='https://g.gravizo.com/svg? <img src='https://g.gravizo.com/svg?
digraph G { digraph G {
shift [fontcolor=white,color=white]; shift [fontcolor=white,color=white];
"tophat filter" -> "rank filter sequence" [label=" is"]; "tophat" -> "rank filter sequence";
"tophat filter" -> "local background subtraction"; "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 ### Activity: Explore tophat filter
...@@ -131,8 +129,9 @@ TODO ...@@ -131,8 +129,9 @@ TODO
<img src='https://g.gravizo.com/svg? <img src='https://g.gravizo.com/svg?
digraph G { digraph G {
shift [fontcolor=white,color=white]; shift [fontcolor=white,color=white];
"median" -> "local background"; "median" -> "local background" [label=" approximates"];
"median" -> "radius" -> "about 3 times larger than foreground objects"; "median" -> "radius" -> "about 3 times larger than foreground objects";
} }
'/> '/>
...@@ -141,7 +140,6 @@ TODO ...@@ -141,7 +140,6 @@ TODO
median_based_background_correction = image - median( image, r) median_based_background_correction = image - median( image, r)
``` ```
TODO: Add image from pdf
### Activity: Implement median based background subtraction ### Activity: Implement median based background subtraction
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment