Search Results - "Cogranne, Rémi"

Content-Adaptive Steganography by Minimizing Statistical Detectability by Sedighi, Vahid, Cogranne, Remi, Fridrich, Jessica

“…Most current steganographic schemes embed the secret payload by minimizing a heuristically defined distortion. Similarly, their security is evaluated…”
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Rich model for Steganalysis of color images by Goljan, Miroslav, Fridrich, Jessica, Cogranne, Rémi

“…In this paper, we propose an extension of the spatial rich model for steganalysis of color images. The additional features are formed by three-dimensional…”
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Efficient Steganography in JPEG Images by Minimizing Performance of Optimal Detector by Cogranne, Remi, Giboulot, Eva, Bas, Patrick

“…Since the introduction of adaptive steganography, most of the recent research works seek at designing cost functions that are evaluated against steganalysis…”
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Modeling and Extending the Ensemble Classifier for Steganalysis of Digital Images Using Hypothesis Testing Theory by Cogranne, Remi, Fridrich, Jessica

“…The machine learning paradigm currently predominantly used for steganalysis of digital images works on the principle of fusing the decisions of many weak base…”
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Effects and solutions of Cover-Source Mismatch in image steganalysis by Giboulot, Quentin, Cogranne, Rémi, Borghys, Dirk, Bas, Patrick

“…The Cover-Source Mismatch (CSM) has been long recognized as a major problem in modern steganography and steganalysis. Indeed, while a vast majority of works in…”
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Selection-Channel-Aware Reverse JPEG Compatibility for Highly Reliable Steganalysis of JPEG Images by Cogranne, Remi

“…This paper deeply studies the principle of the recent reverse JPEG compatibility attack [1]. This analysis allows us to cast the problem of hidden data…”
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Detectability-Based JPEG Steganography Modeling the Processing Pipeline: The Noise-Content Trade-off by Giboulot, Eva, Cogranne, Remi, Bas, Patrick

“…The current art of steganography shows that schemes using a deflection criterion (such as MiPOD) for JPEG steganography are usually subpar with respect to…”
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Multivariate Side-Informed Gaussian Embedding Minimizing Statistical Detectability by Giboulot, Eva, Bas, Patrick, Cogranne, Remi

“…Steganography schemes based on a deflection criterion for embedding posses a clear advantage against schemes based on heuristics as they provide a direct link…”
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Statistical detection of defects in radiographic images using an adaptive parametric model by Cogranne, Rémi, Retraint, Florent

“…In this paper, a new methodology is presented for detecting anomalies from radiographic images. This methodology exploits a statistical model adapted to the…”
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Camera Model Identification Based on the Heteroscedastic Noise Model by Thanh Hai Thai, Cogranne, Remi, Retraint, Florent

“…The goal of this paper is to design a statistical test for the camera model identification problem. The approach is based on the heteroscedastic noise model,…”
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Cover-source mismatch in steganalysis: systematic review by Mallet, Antoine, Beneš, Martin, Cogranne, Rémi

“…Operational steganalysis contends with a major problem referred to as the cover-source mismatch (CSM), which is essentially a difference in distribution caused…”
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Statistical Model of Quantized DCT Coefficients: Application in the Steganalysis of Jsteg Algorithm by Thai, Thanh Hai, Cogranne, Remi, Retraint, Florent

“…The goal of this paper is to propose a statistical model of quantized discrete cosine transform (DCT) coefficients. It relies on a mathematical framework of…”
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A Comprehensive Characterization of Threats Targeting Low-Latency Services: The Case of L4S by Letourneau, Marius, Doyen, Guillaume, Cogranne, Rémi, Mathieu, Bertrand

“…New services with low-latency (LL) requirements are one of the major challenges for the envisioned Internet. Many optimizations targeting the latency reduction…”
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JPEG Quantization Step Estimation and Its Applications to Digital Image Forensics by Thanh Hai Thai, Cogranne, Remi, Retraint, Florent, Thi-Ngoc-Canh Doan

“…The goal of this paper is to propose an accurate method for estimating quantization steps from an image that has been previously JPEG-compressed and stored in…”
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Estimation of Primary Quantization Steps in Double-Compressed JPEG Images Using a Statistical Model of Discrete Cosine Transform by Thai, Thanh Hai, Cogranne, Remi

“…Double compression of images occurs when one compresses twice, possibly with different quality factors, a digital image. Estimation of the first compression…”
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An Asymptotically Uniformly Most Powerful Test for LSB Matching Detection by Cogranne, R., Retraint, F.

“…This paper investigates the detection of information hidden in digital media by the least significant bit (LSB) matching scheme. In a theoretical context of…”
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Statistical decision methods in the presence of linear nuisance parameters and despite imaging system heteroscedastic noise: Application to wheel surface inspection by Tout, Karim, Cogranne, Rémi, Retraint, Florent

“…•An original adaptive linear model with high accuracy is proposed.•The flexibility of this model allows applications to a wide range of objects.•Imaging system…”
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Individual camera device identification from JPEG images by Qiao, Tong, Retraint, Florent, Cogranne, Rémi, Thai, Thanh Hai

“…The goal of this paper is to investigate the problem of source camera device identification for natural images in JPEG format. We propose an improved…”
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Practical strategies for content-adaptive batch steganography and pooled steganalysis by Cogranne, Remi, Sedighi, Vahid, Fridrich, Jessica

“…This paper investigates practical strategies for distributing payload across images with content-adaptive steganography and for pooling outputs of a…”
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Application of hypothesis testing theory for optimal detection of LSB matching data hiding by Cogranne, Rémi, Retraint, Florent

“…This paper addresses the problem of detecting the presence of data hidden in digital media by the Least Significant Bit (LSB) matching scheme. In a theoretical…”
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