Percorrer por autor "Fernandes, Rui Vitor"
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- Knowledge and context-based strategies for 3D video content adaptation decisionPublication . Fernandes, Rui Vitor; Andrade, TeresaInvestigate and achieve a proper 3D content representation for adaptation/presentation; Investigate the feasibility of an integrated approach for 3D content adaptation decision taking; Define, represent and use, in an advance form, the necessary metadata input for the chosen adaptation decision taking approach, with the aim of providing the best QoE possible for the users. Implement a knowledge and context-based 3D content adaptation decision system.
- Video error concealment: a brief presentationPublication . Fernandes, Rui VitorTypical error control techniques are not very well suited for video transmission. On the other hand, video transmission over error prone channels has increased greatly, e.g., over IP and wireless networks. These two facts combined together provided the necessary motivation for the development of a new set of techniques (error concealment) capable of dealing with transmission errors in video systems. These techniques can be categorized according with the approach they take to solve the problem. This categorization is presented, describing the assumptions in which they are based and giving a few examples in each category. Finally, the advantages and disadvantages of each category are presented.