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» Anti-forensics of JPEG compression
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ICMCS
1998
IEEE
157views Multimedia» more  ICMCS 1998»
14 years 1 days ago
Compressed Domain Transcoding of MPEG
Current video compression formats optimize for either compression or editing. For example, motion-JPEG (MJPEG) provides excellent random access and moderate overall compression, w...
Soam Acharya, Brian C. Smith
ICMCS
2010
IEEE
260views Multimedia» more  ICMCS 2010»
13 years 6 months ago
Compressed-encrypted domain JPEG2000 image watermarking
In digital rights management (DRM) systems, digital media is often distributed by multiple levels of distributors in a compressed and encrypted format. The distributors in the cha...
A. V. Subramanyam, Sabu Emmanuel, Mohan S. Kankanh...
MEMICS
2010
13 years 2 months ago
GPU-Based Sample-Parallel Context Modeling for EBCOT in JPEG2000
Embedded Block Coding with Optimal Truncation (EBCOT) is the fundamental and computationally very demanding part of the compression process of JPEG2000 image compression standard. ...
Jiri Matela, Vit Rusnak, Petr Holub
ICIP
2003
IEEE
14 years 9 months ago
JPEG 2000 coding of color-quantized images
The efficiency of compressing color-quantized images using general purpose lossless image coding methods depends on the degree of smoothness of the index images. A wellknown and v...
António J. R. Neves, Armando J. Pinho
ICASSP
2011
IEEE
12 years 11 months ago
Improved DCT coefficient analysis for forgery localization in JPEG images
In this paper, we propose a statistical test to discriminate between original and forged regions in JPEG images, under the hypothesis that the former are doubly compressed while t...
Tiziano Bianchi, Alessia De Rosa, Alessandro Piva