High Dynamic Range (HDR) images use a wider range of intensity values than the common Limited Dynamic Range (LDR) images. Because of this, handling HDR images requires a great deal of information to be stored and transferred. To represent and display HDR images efficiently, a trade-off needs to be balanced between size and accuracy. We present a new wavelet-based algorithm for encoding HDR imag...

In this paper, we approach the problem of detecting editing features suitable for video annotation, by paying attention to artifacts and effects introduced in video editing. In particular, a linear transition detection algorithm is presented, which can characterize the transition center and length with high precision. The technique works with sub-frame granularity and is able to include both ab...

Manual video annotation on shot and on object level is a very time consuming and therefore cost intensive task. Automatic object and shot re-detection is one step forward in order to provide a cost efficient solution for temporally detailed video annotation. In this demonstration a tool will be shown which integrates novel video visualisation, navigation and interactive object re-detection tech...

Advances in multimedia computing technologies have offered new opportunities to store, manage, and present video data in databases. Object oriented technology on the other hand provides novel ways to organise the multimedia items, by supporting both the temporal as well as spatial properties. Many researchers come up with data models by implementing object oriented concepts into multimedia tech...

Despite the rapid progress of the techniques for image classification, video annotation has remained a challenging task. Automated video annotation would be a breakthrough technology, enabling users to search within the videos. Recently, Google introduced the Cloud Video Intelligence API for video analysis. As per the website, the system can be used to “separate signal from noise, by retrieving...

In this paper, we propose a framework of video news system using image segmentation and augmented reality scheme. The goal of proposed system is to provide users with realistic audio-visual contents when they are interested in reading some topics on newspapers. In our approach, pictures on the newspapers were used as markers of augmented reality. Users can pick up these pictures to watch the co...

We analyze the problem of optimal data partitioning of MPEG-2 coded video in an operational rate-distortion context. The optimal algorithm is characterized and shown to have high complexity and delay. A causally optimal algorithm based on Lagrangian optimization is proposed, that optimally solves the problem for intra (I) pictures, while it provides an optimal solution for predicted/interpolate...

Eleven years ago the CT scanner was introduced into medicine world-wide. The pictures were generated by video or digital type information (photographed on to paper or film) put together to make an anatomical picture. It was not of course simply for this aspect alone that it made its impact. We already had the isotope linear scaner and gamma camera generating pictures some of which were video ou...

This paper presents a frame-level adaptive search range scaling strategy for B pictures coding for H.264/AVC from the hardware-oriented viewpoint. After studying the relationship between search range of P and B picture, a simple search range scaling strategy is proposed at first, which is efficient for normal or low motion video. After that, this strategy is extended to high motion video by usi...