Digital Image Forgery Detection Using JPEG Features and Local Noise Discrepancies
Figure 2
Visual noise comparison for pictures captured by the same camera Nikon D7000 under the same scenery with different ISO settings: (a) ISO = 100, (b) ISO = 800, (c) ISO = 1600, and (d) ISO = 3200. Crops are 100% with ambient temperature approximately 22C.
