Jul 11, 2017 · In this paper, we propose novel forensic detectors of JPEG compression traces in images stored in uncompressed formats, based on a theoretical ...
Abstract—Intrinsic statistical properties of natural uncom- pressed images are used in image forensics for detecting traces.
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Dec 1, 2017 · The statistical analysis is based on the only assumptions of generalized Gaussian distribution of DCT coefficients and independence among DCT ...
A number of methods have been proposed in the literature for detecting traces of JPEG compression in images saved in uncompressed format.
Statistical Detection of JPEG Traces in Digital Images in Uncompressed Formats ... detector of JPEG compression traces in images stored in an uncompressed format.
A novel forensic detector of JPEG compression traces in images stored in an uncompressed format is proposed based on a binary hypothesis test for which it ...
Due to the lossy nature of transform coding, JPEG introduces characteristic traces in the compressed images. A forensic analyst might reveal these traces by ...
This paper proposes a new approach to quality factor identification for a JPEG images. This approach is based on a spatial domain model of the variance of 8 ...
... Detection of JPEG compression traces in uncompressed format images.Intrinsic statistical propertiesof natural uncompressed images are used in image ...
In particular, the problem of identifying traces of JPEG compressions in images that have been decompressed and saved in uncompressed formats has been ...