Confusing terminology around image pre-processing steps

[ezwelty]

The sub-images used for tracking are pre-processed in part with a median filter. In argument names and docstrings, this is referred to as both a 'low-pass' filter (which it is) and 'high-pass' filter (which it is not).

glimpse/src/glimpse/track/tracker.py

Line 31 in 7112a76

highpass (dict): Median high-pass filter