4546 search results - page 668 / 910 » Detection of image stretching |
179
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ICIP
2008
IEEE
16 years 8 months ago
2008
IEEE
Sensor photo-response non-uniformity (PRNU) was introduced by Luk?as et al. [1] to solve the problem of digital camera sensor identification. The PRNU is the main component of a c...
200
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ICIP
2008
IEEE
16 years 8 months ago
2008
IEEE
This paper introduces a new feature-based technique for implicitly modelling objects in visual surveillance. Previous work has generally employed background subtraction and other ...
162
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ICIP
2006
IEEE
16 years 8 months ago
2006
IEEE
Unlike most Super-Resolution (SR) methods described in literature, which perform only SR reconstruction on the background of an image scene, we propose a framework that performs S...
178
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ICIP
2004
IEEE
16 years 8 months ago
2004
IEEE
In this paper, we present a robust method for estimating the model parameters in a mixture of probabilistic principal component analyzers. This method is based on the Stochastic v...
187
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ICIP
2004
IEEE
16 years 8 months ago
2004
IEEE
Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore, the scaling factor needs to be estimated at the decoder side, such that the received (attac...