Commit 135384df authored by Christian Tischer's avatar Christian Tischer

EMBL Course

parent b2da3b0a
......@@ -174,15 +174,14 @@ True or false?
What are good reasons to change the pixel data type of an image?
* a
* b
* c
* d
* TODO
* TODO
### Activity: 16-bit to 8-bit conversion
* Open image: xy_16bit__two_values.tif
* Convert to 8-bit
* Understand the mathematics underlying the conversion from 16-bit to 8-bit.
### Activity: 16-bit to float conversion
......@@ -191,12 +190,12 @@ What are good reasons to change the pixel data type of an image?
### Formative Assessment
True or false?
True or false (discuss with your neighbor)?
1. Changing pixel data type never changes pixel values.
2. Converting from 16-bit unsigned integer to float never changes the pixel values.
3. Changing from float to 16-bit unsigned integer never changes the pixel values.
4. There is only one correct way to convert from 16-bit to 8-bit.
 
......@@ -204,7 +203,6 @@ True or false?
 
## Thresholding
In order to find objects in a image, the first step often is to determine whether a pixel is part of an object (foreground) or of the image background. In fluorescence microscopy this often can be achieved by thresholding.
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