straightening a plane e.g. a whole video frame, is a bit different from removing a random warp on a watermark (where the warp is more complex than tilting/angli

straightening a plane e.g. a whole video frame, is a bit different from removing a random warp on a watermark (where the warp is more complex than tilting/angling the watermark), while its overlaid with partial visibility on a non-warped image