Douglas Gonzalez

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As MPEG-7 gets extended, DVB systems find the need to transport metadata over MPEG-2. This paper gives a view of a real implementation in an MHP application framework of the amendment ISO/IEC 138181:2000/FDAM 1, which standardizes the carriage of MPEG-7 metadata over MPEG2. The paper focuses mainly on the transport of metadata and how to synchronize(More)
Conformance testing is a crucial activity which aims at stimulating the communication system under test (SUT) to detect errors and unexpected behaviors with regard to the standards. However, when considering distributed systems, the joint and linked stimulation of distributed entities is not easy. The correlation of verdicts obtained from these entities is(More)
This paper describes a sensor based control that releases the user from the continuous attention usually required in opening and closing actions. Further to this local control, the sensory information is used to generate some feedback to the user for the perception of the progress of the hand operation. We are also presented a study and result about the(More)
In this work, we present a novel distributed testing architecture based on a formal definition of test cases dependencies to test the conformance of distributed systems in a black box context. Utilizing the European Telecommunication Standards Institute, Test Description Language standard, we apply our approach to a real Internet Multimedia Subsystem (IMS)/(More)
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