We have previously discussed rigid and non-rigid image alignment algorithms for calcium imaging data. If you have the image processing toolbox, a particularly compact solution for non-rigid image registration can be written in ~20 lines of code or so. The code below returns a displacement field for each frame in the image sequence (output variable ‘disp’) that needs…
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Fixing a jittery, linear actuator
Do you hear a high-pitched noise when the port camera mirror is in one of the opened and/or closed positions? If so, it is possible the linear actuator is jittering a bit around its position. One way to solve this issue is to this install the Firgelli LAC configuration utility under yeti/firgelli. Follow the instructions…
Read MoreKnobby improvements
We have added a couple of new features to Knobby based on user feedback that some may find useful. These features are presented in different screen pages. You can switch between the three available pages by touching one of the 3 gray disks on the bottom left of the screen. The first screen is the…
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