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» Additive vector decoding of transform coded images
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ICIP
2008
IEEE
15 years 11 months ago
Localization of sparse image tampering via random projections
Hashes can be used to provide authentication of multimedia contents. In the case of images, a hash can be used to detect whether the data has been modified in an illegitimate way....
Marco Tagliasacchi, Giuseppe Valenzise, Stefano Tu...
82
Voted
JCIT
2008
165views more  JCIT 2008»
14 years 9 months ago
Adaptive Source pixel based Prediction for Lossless Intra Coding of H.264 MPEG-4 /AVC
A new prediction for lossless intra coding technique employs source pixel based prediction in contrast to source block based prediction is presented as an enhancement of H.264/MPE...
N. Krishnan, P. Vijayalakshmi, R. K. Selvakumar, S...
ICIP
2008
IEEE
15 years 11 months ago
Kalman filtered Compressed Sensing
We consider the problem of reconstructing time sequences of spatially sparse signals (with unknown and time-varying sparsity patterns) from a limited number of linear "incohe...
Namrata Vaswani
89
Voted
GLOBECOM
2008
IEEE
14 years 9 months ago
Energy Efficient Estimation of Gaussian Sources over Inhomogeneous Gaussian MAC Channels
In this paper, we first provide a joint source and channel coding (JSCC) approach in estimating Gaussian sources over Gaussian MAC channels, as well as its sufficient and necessary...
Shuangqing Wei, Rajgopal Kannan, S. Sitharama Iyen...
SIGGRAPH
1994
ACM
15 years 1 months ago
Accelerated MPEG compression of dynamic polygonal scenes
This paper describes a methodology for using the matrix-vector multiply and scan conversion hardware present in many graphics workstations to rapidly approximate the optical flow ...
Dan S. Wallach, Sharma Kunapalli, Michael F. Cohen