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Can people identify original and manipulated photos of real world scenes?

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Academic year: 2020

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Figure

Fig. 1 Samples of manipulated photos. a Original photo; b airbrushing—removal of sweat on the nose, cheeks, and chin, and removal of wrinkles aroundthe eyes; c addition or subtraction—two links between the columns of the tower of the suspension bridge remo
Fig. 2 Example of a photo with the location grid overlaid. Photocredit: Vin Cox, CC BY-SA 3.0 license
Fig. 4 Mean proportion of correct “locate” decisions when subjects correctly detected that the photo was manipulated (i.e., correctly said “Yes”on the detection task)
Fig. 5 Mean proportion of correctly detected (a) and located (b) image manipulations by extent of pixel distortion as measured by Delta-E
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