Digital Image Forgery Detection Using JPEG Features and Local Noise Discrepancies

Table 1

Edge weights for graph cuts.

Edge	Weight	For
𝑡^𝛼𝑝	𝐷𝑝(𝛼)+∑^𝑞∈𝑁𝑝𝑞∉𝑃𝛼𝛽𝑉(𝛼,𝑓𝑞)	𝑝∈𝑃𝛼𝛽
𝑡^𝛽𝑝	𝐷𝑝(𝛽)+∑^𝑞∈𝑁𝑝𝑞∉𝑃𝛼𝛽𝑉(𝛽,𝑓𝑞)	𝑝∈𝑃𝛼𝛽
𝑒{𝑝,𝑞}	𝑉(𝛼,𝛽)	{𝑝,𝑞}∈𝑁𝑝,𝑞∈𝑃𝛼𝛽