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TIFS
2010
132views more  TIFS 2010»
15 years 25 days ago
JPEG error analysis and its applications to digital image forensics
JPEG is one of the most extensively used image formats. Understanding the inherent characteristics of JPEG may play a useful role in digital image forensics. In this paper, we int...
Weiqi Luo, Jiwu Huang, Guoping Qiu
TIP
2010
132views more  TIP 2010»
15 years 25 days ago
Compress Compound Images in H.264/MPGE-4 AVC by Exploiting Spatial Correlation
—Compound images are a combination of text, graphics and natural image. They present strong anisotropic features, especially on the text and graphics parts. These anisotropic fea...
Cuiling Lan, Guangming Shi, Feng Wu
143
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SIMULATION
2011
14 years 9 months ago
The Activity-tracking paradigm in discrete-event modeling and simulation: The case of spatially continuous distributed systems
From a modelling and simulation perspective, studying dynamic systems consists of focusing on changes in states. According to the precision of state changes, generic algorithms ca...
Alexandre Muzy, Rajanikanth Jammalamadaka, Bernard...
JIPS
2010
273views more  JIPS 2010»
14 years 9 months ago
Hiding Secret Data in an Image Using Codeword Imitation
This paper proposes a novel reversible data hiding scheme based on a Vector Quantization (VQ) codebook. The proposed scheme uses the principle component analysis (PCA) algorithm to...
Zhi-Hui Wang, Chin-Chen Chang, Pei-Yu Tsai
ICASSP
2011
IEEE
14 years 6 months ago
A classifier-based decoding approach for large scale distributed coding
Canonical distributed quantization schemes do not scale to large sensor networks due to the exponential decoder storage complexity that they entail. Prior efforts to tackle this i...
Kumar Viswanatha, Sharadh Ramaswamy, Ankur Saxena,...