Filter feeding by different frames

[Terka]

Lets have an following pictures:
0 1 2 3 4 5 6
A temporal filter which works with 3 frames, works with
2 3 4
Is it possible to feed the filter with eg.
0 3 4
?

[Didée]

Order the frames via SelectEvery, apply filter, re-order via SelectEvery.
the_video
SelectEvery(1,-3,0,1)
TempFilter(radius=1)
SelectEvery(3,1)