Patent ID: 11861816
Assignee: NHN CLOUD CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A system for detecting image forgery through a convolutional neural network, the system comprising:
one or more processors; and
memory storing executable instructions that, if executed by the one or more processors, configure the one or more processors to:
apply an input image to a high-pass filter to enhance features associated with the image forgery;
extract image manipulated feature information from the image applied to the high-pass filter through a pre-trained convolutional neural network;
refine the image manipulated feature information;
determine the image forgery of the input image based on the refined image manipulated feature information by detecting pixels that have been probably manipulated in the input image and calculating manipulation probability values of the pixels; and
output an image forgery confirmation map displaying probability of the image forgery of pixels in different colors according to the calculated manipulation probability values.