Enhance low-res photos for slide show?
Hello! I'm having to put together a slide show of photos for an organization I'm in, which will be displayed on a big projector screen in a banquet hall. The only problem is that I was given basically no photos to work with. So, I've been having to scrape together what I can find from Facebook, and of course due to this the images are really low-resolution, pixelated, bad lighting, etc. I can do color corrections/retouching in photoshop, but is there a filter or process that I can apply to these photos that would reduce the look of pixelation? It doesn't have to be perfect, because it's going to be displayed on a big screen anyways, but I'd like to get rid of the pixelly look. Any tips?
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In order to obtain a small image a lot of the visual information in the images has been discarded..
The information is gone and can't be replaced.
To reduce an images size for example, four adjacent pixels of similar color might be averaged resulting in one pixel. Apply this to the whole image then enlarge it and the result is larger pixels which can't be changed back to the originals.
Doesn't help with your problem but at least you know why.