• Open Photoshop
• Open questionable image
• Press CTRL+U or go to Image -> Adjustments -> Hue/Saturation
• Set Hue to low
• Set Saturation to high
• Scroll the light bar back and forth, looking for areas of the image that don't match
• If you find a splotch of discoloration, that may indicate the picture was retouched.
Tim says this will work on any retouched photo, not just Photoshopped ones. — BEN POPKEN
How to tell fake images from real ones using Photoshop [Tim Matheson]
]]>What sort of middle-class sense of unlimited entitlement do you need to feel proud of stealing someone's work? Do you think your superior Internet know-how is really that impressive?
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But if someone has just erased an object from a low-frequency background like a sky or wall, it should work.
It absolutely will not work on all retouched images, though, and I'd be surprised if it were useful on most.
There's no ISO Standard Retouched Image Corpus for us to compare it against, of course, but I think the fact that it seems to declare this haunted house to be genuine is a significant count against it :-).
]]>Also does this technique only work for things that have been removed or does it work for things that have been inserted?
]]>Sorry. Cheap shot.
]]>I tried it with one of my own photos, which was heavily edited to remove some background garbage. (here: http://www.flickr.com/photo_zoom.gne?id=310988188&size=l) I think there's some telltale clues in the image that says something's been retouched, but still, the tutorial doesn't really seem to expose anything out of the ordinary...
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*Windows XP/ Ubuntu (Yes PS works on Ubuntu)
*1 GB of DDR (Pretty much standard today)
*2 SATA 160GB HDD (Helpfull for large projects but not required)
*P4 3.2 GHZ HT 64 BIT Of course.
*Wacom Pen Tablet (Not required but helpfull)
*Twin 20" AOC LCD Monitor (Nice for putting those pallets in their place but not required)
Sure the Adobe Creative Suite can run $1500+ dollars but if your serious about graphics it pays for it self when you open the box.
Best,
Tim Matheson
]]>Yeah, all she does is just use auto-fix, cleans up the picture, adjust the contrast...very basic stuff. I haven't tried out Paint.Net. I'll do that tonight, then foward it to her. Thanks!
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:-P
Actually, my mom (who is an ebay power seller) refuses to use any new versions of Photoshop. The only one she uses is the version from 1998...and it doesn't even work right! She says the newer ones are too complicated.
]]>I think you can still (legally) download a trial version.
It's a different UI that Photoshop, but nearly all the same features are present.
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