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+Examples
+========
+Examples of external files for use with Kvazaar.
+
+## Region of interest (roi) files
+A simple text file can be used with the `--roi` switch to setup regions of interest for encoding.
+Header row of the file will tell how many regions the encoded frames are divided (columns, rows).
+The header must be followed by a data row with number entries equal to columns * rows.
+The data row will tell the encoder which delta QP value will be assigned to each region.
+The included example file will split frames into four regions with the top regions having a delta QP of +5
+```
+2 2
+5 5 0 0
+``` 
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+2 2
+5 5 0 0
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