Application of joint source-channel matching in heterogeneous multi-media environments will demand general source-channel optimization schemes suitable for a wide variety of source coding standards, channel coders, and variable channel conditions. We develop a general approach for joint source-channel matching based on a parametric distortion model that can be accurately applied to most classes...

A moderately halotolerant Streptomyces strain, designated JAJ13 was characterized and a culture medium was statistically optimized to improve its antibacterial activity. Based on the phenotypic and molecular characteristics, strain JAJ13 was identified as a moderately halotolerant Streptomyces sp. JAJ13. Novelty of the strain JAJ13 in production of antibacterial compound was assessed by sequenc...

The potential of multimedia teaching and learning approach at higher education is well recognized by researchers, as it is a powerful tool to increase the perceived level of user satisfaction, leading to enhance the blended learning process. However, the learning process can be improved significantly by delivering the content using visual media (video, audio, and graphics). On the other hand, s...

An effective technique for recommendation in social media and other heterogeneous networks is the weighted hybrid of low-dimensional components (WHyLDR). Recent studies have shown this technique is comparable to other integrative approaches while being considerably more flexible. One key issue for the implementation of a WHyLDR system is the choice of components to generate. Research has shown ...

Resumen The media industry is demanding high fidelity images for their 3D synthesis projects. Rendering is the process by means of which a 2D image can be obtained from the abstract definition of a 3D scene. Despite the development of new techniques and algorithms, this process is computationally intensive and requires a lot of time to be done, specially when the source scene is complex or when...

With the rapid growth of Internet, media streaming plays an important role for the growing demand of media service. Application Level Multicast (ALM) has emerged as a key alternative to enable broadcasting the streaming media over the Internet. Several studies have proposed solutions to construct ALM multicast trees with various aspects such as end-to-end delay optimization, quick joining delay...

We present a system for detection and tracking of cow teats, as part of the construction of automatic milking devices (AMDs) in the dairy industry. We detail algorithmic solutions for the robust detection and tracking of teat tips in low-resolution video streams produced by embedded time-of-flight cameras, using a combination of depth images and point-cloud data. We present a visual analysis to...

Online social video applications, combining video watching with social media, are gaining in popularity. However, evaluation tools that focus on optimally supporting social interaction (i.e. sociability) when designing social video applications are still lacking. We have created a list of sociability heuristics for social interactive television applications, but it is unsure if these can be app...

The thesis addresses time-domain inverse electromagnetic scattering for determining unknown characteristics of an object from observations of the scattered field. Applications include non-destructive characterization of media and optimization of material properties, for example the design of radar absorbing materials. Another interesting application is the parameter optimization of subcell mode...