Update image-ethics-and-data-integrity.md

workshops/image-ethics-and-data-integrity.md

@@ -20,11 +20,35 @@
   }
 '/>
 
+<img src='https://g.gravizo.com/svg?
+ digraph G {
+    shift [fontcolor=white,color=white];
+    saving_images -> image_content [label="  can change"];
+  }
+'/>
+
+
 ### Activities
 
 #### Explore how saving images can change image content
 
+- Open an image
+- Inspect it contents, take notes of some pixel values and coordinates 
+- Save the image
+- Reopen the image
+- Compare the image content to your notes, did it change?
+
+##### Example data:
+
+- calibrated_16bit__cells_eres_noisy.tif
+
+### Formative Assessments
+
+How can I ensure that image content is preserved during saving?
 
+1. I always use Tiff format, this is safe.
+2. I always test it by checking pixel values and coordinates before and after saving.
+3. 
 
 ## Image data presentation