Granularity in image when using deshaker in Vdub

[brassplyer]

I notice there can be an artifact in video that's been treated with the Thalen Deshaker that I would describe as a graininess in the image. It doesn't seem to effect the entire image uniformly, it seems to show up in certain areas and is most noticeable when there's panning movement. Any idea what causes this and how to eliminate it?

Thanks

[guns1inger]

Can you post a before and after sample for comparison ?

[edDV]

I notice there can be an artifact in video that's been treated with the Thalen Deshaker that I would describe as a graininess in the image. It doesn't seem to effect the entire image uniformly, it seems to show up in certain areas and is most noticeable when there's panning movement. Any idea what causes this and how to eliminate it?

Thanks

Caused by the motion. The program is trying to estimate direction of motion. If the cam was handheld there was likely X-Y and rotational motion while deshaker assumed a straight line vector.