Multimed Tools Appl DOI 10.1007/s11042-016-4314-1 Exposing image resampling forgery by using linear parametric model Tong Qiao 1,3 · Aichun Zhu 2,3 · Florent Retraint 3 Received: 25 May 2016 / Revised: 6 December 2016 / Accepted: 26 December 2016 © Springer Science+Business Media New York 2017 Abstract Resampling forgery generally refers to as the technique that utilizes interpola- tion algorithm to maliciously geometrically transform a digital image or a portion of an image. This paper investigates the problem of image resampling detection based on the linear parametric model. First, we expose the periodic artifact of one-dimensional 1-D) resampled signal. After dealing with the nuisance parameters, together with Bayes’ rule, the detector is designed based on the probability of residual noise extracted from resampled signal using linear parametric model. Subsequently, we mainly study the characteristic of a resampled image. Meanwhile, it is proposed to estimate the probability of pixels’ noise and establish a practical Likelihood Ratio Test (LRT). Comparison with the state-of-the-art tests, numerical experiments show the relevance of our proposed algorithm with detecting uncompressed/compressed resampled images. Keywords Image resampling forensics · Linear parametric model · Bayes’ rule · Hypothesis testing  Tong Qiao tong.qiao@hdu.edu.cn Aichun Zhu aichun.zhu@utt.fr Florent Retraint florent.retraint@utt.fr 1 School of Cyberspace, Hangzhou Dianzi University, Hangzhou, China 2 School of Computer Science and Technology, Nanjing Tech University, Nanjing, China 3 LM2S, University of Technology of Troyes, Troyes, France