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- Frédéric Dufaux, Janusz Konrad
- IEEE Trans. Image Processing
- 2000
In this paper, we propose an efficient, robust, and fast method for the estimation of global motion from image sequences. The method is generic in that it can accommodate various global motion… (More)
- Pina Marziliano, Frédéric Dufaux, Stefan Winkler, Touradj Ebrahimi
- Sig. Proc.: Image Comm.
- 2004
We present a fulland no-reference blur metric as well as a full-reference ringing metric. These metrics are based on an analysis of the edges and adjacent regions in an image and have very low… (More)
In this paper, we present a no-reference blur metric for images and video. The blur metric is based on the analysis of the spread of the edges in an image. Its perceptual significance is validated… (More)
The key to high performance in image sequence coding lies in an efficient reduction of the temporal redundancies. For this purpose, motion estimation and compensation techniques have been suc… (More)
- Frédéric Dufaux, Touradj Ebrahimi
- IEEE Transactions on Circuits and Systems for…
- 2008
In this paper, we address the problem of privacy protection in video surveillance. We introduce two efficient approaches to conceal regions of interest (ROIs) based on transform-domain or… (More)
- Shuiming Ye, Mourad Ouaret, Frédéric Dufaux, Touradj Ebrahimi
- 3rd European Workshop on Visual Information…
- 2009
In distributed video coding, the side information is commonly generated by motion-compensated temporal interpolation of the neighboring reference frames at the decoder side. The side information… (More)
- Frédéric Dufaux, Touradj Ebrahimi
- 15th IEEE International Conference on Image…
- 2008
In this paper, we address the problem of privacy in video surveillance systems. More specifically, we consider the case of H.264/AVC which is the state-of-the-art in video coding. We assume that… (More)
- Frédéric Dufaux, Touradj Ebrahimi
- Conference on Computer Vision and Pattern…
- 2006
In this paper, we address the problem of scrambling regions of interest in a video sequence for the purpose of preserving privacy in video surveillance. We propose an efficient solution based on… (More)
- Mourad Ouaret, Frédéric Dufaux, Touradj Ebrahimi
- VSSN '06
- 2006
In this paper, we introduce a scheme for coding video surveillance camera networks. It is based on multiview and Distributed Video Coding (DVC). DVC is known for its low complexity encoders. This… (More)
Motion estimation and compensation techniques are widely used in video coding. This paper addresses the problem of the trade-oo between the motion and the prediction error information. Under some… (More)