<div class="floatright">(http://www.hauntedamericatours.com/ghosts/photographing_phantoms_1.jpg)</div><br/>The way I was thinking it, if she's actively doing various stuff which might cause barrier ripples, she might show up as a momentary weird afterimage effect.  The people who are big on such things believe them to be ghosts, even though science doesn't consider them credible and such study is often considered a waste of time.  (Not too dissimilar from the modern day, where we have such photos.)  As momentary, most live feed wouldn't even notice it anyway and would just be thought of as a glitch, but ULTRA used this method in order to focus upon you well enough to be able to get a delayed Kirlian camera.<br/><br/>If you don't like this idea, though, it's not set in stone.  It's just the idea I had.