This file is located in the post. You can see the various sections for matrix, distortion, rectification, and projection. I think you'll have to research these values and figure out what values work in the test environment. Unfortunately, I don't have the yaml file anymore.
```
[image]
width
1280
height
720
[narrow_stereo]
camera matrix
829.298086 0.000000 664.242945
0.000000 826.302904 319.057782
0.000000 0.000000 1.000000
distortion
-0.320171 0.099254 0.000692 0.002468 0.000000
rectification
1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
projection
647.238342 0.000000 683.202218 0.000000
0.000000 768.937317 313.070606 0.000000
0.000000 0.000000 1.000000 0.000000
```