Physiologically-based detection of computer generated faces in video

V Conotter, E Bodnari, G Boato… - 2014 IEEE International …, 2014 - ieeexplore.ieee.org
We describe a new forensic technique for distinguishing between computer generated and
human faces in video. This technique identifies tiny fluctuations in the appearance of a face …

Improved approaches with calibrated neighboring joint density to steganalysis and seam-carved forgery detection in JPEG images

Q Liu, Z Chen - ACM Transactions on Intelligent Systems and …, 2014 - dl.acm.org
Steganalysis and forgery detection in image forensics are generally investigated separately.
We have designed a method targeting the detection of both steganography and seam …

Fast and robust passive copy-move forgery detection using SURF and SIFT image features

RC Pandey, SK Singh, KK Shukla… - 2014 9th International …, 2014 - ieeexplore.ieee.org
With the advent of sophisticated image editing softwares, it has become easy to forge digital
images. Copy-move is a very common technique for image forgery; retouching tools are …

Blind image clustering based on the normalized cuts criterion for camera identification

I Amerini, R Caldelli, P Crescenzi, A Del Mastio… - Signal Processing …, 2014 - Elsevier
Camera identification is a well known problem in image forensics, addressing the issue to
identify the camera a digital image has been shot by. In this paper, we pose our attention to …

Discriminating natural images and computer generated graphics based on the impact of CFA interpolation on the correlation of PRNU

F Peng, D Zhou - Digital Investigation, 2014 - Elsevier
To discriminate natural images from computer generated graphics, a novel identification
method based on the features of the impact of color filter array (CFA) interpolation on the …

Variational learning of finite Dirichlet mixture models using component splitting

W Fan, N Bouguila, D Ziou - Neurocomputing, 2014 - Elsevier
Finite Dirichlet mixture models have proved to be an effective knowledge representation and
inference engine in several machine learning and data mining applications. In this paper …

A statistical feature based approach to distinguish PRCG from photographs

X Wang, Y Liu, B Xu, L Li, J Xue - Computer Vision and Image …, 2014 - Elsevier
We present a passive forensics method to distinguish photorealistic computer graphics
(PRCG) from natural images (photographs). The goals of our work are to improve the …

An automated estimator of image visual realism based on human cognition

S Fan, TT Ng, JS Herberg, BL Koenig… - Proceedings of the …, 2014 - openaccess.thecvf.com
Assessing the visual realism of images is increasingly becoming an essential aspect of
fields ranging from computer graphics (CG) rendering to photo manipulation. In this paper …

Identifying photographic images and photorealistic computer graphics using multifractal spectrum features of PRNU

F Peng, J Shi, M Long - 2014 IEEE International Conference on …, 2014 - ieeexplore.ieee.org
A novel identification approach for identifying photographic images (PIM) and photorealistic
computer graphics (PRCG) is proposed by using multifractal spectrum features of photo …

A passive multi-purpose scheme based on periodicity analysis of CFA artifacts for image forensics

TY Chang, SC Tai, GS Lin - Journal of Visual Communication and Image …, 2014 - Elsevier
We propose a passive multi-purpose scheme for photographic image (PIM) detection and a
device class identification method. The motivation for the scheme is the periodicity …