Creating and sharing knowledge for telecommunications

Christopher Lima


on 04-06-2020

... As software developer at CERN, I am responsible for the vacuum controls section of all particle accelerators, including the famous LHC (Large Hadron Collider).







Originally from Brazil, I moved to Portugal in the end of 2008 to pursue a PhD. After some months of research in University of Coimbra, I decided to move to Aveiro for new challenges involving the telecommunication area. In the beginning of 2009 I started to work as a member of IT and at the same time, pursuing my PhD in Computer Engineering.

The research was supervised by Professor Rui Aguiar and Professor Diogo Gomes, both from the University of Aveiro. As a member of IT, I joined the Atnog (Advanced Telecommunications and Networks Group) and had the opportunity to work with close cooperation with Altice Labs (formerly PTIN) for R&D along the years.

My PhD research focused in the areas of context-aware, social computing and CSCW.

During almost 8 years as a researcher there, I had the chance to work in the amazing environment of European projects, working with different companies and subjects ranging from pervasive computing to big data analytics.

After concluding my PhD, I enjoyed the experience of FP7 and H2020 projects and continued my collaboration with IT Aveiro and Altice Labs. In May of 2017, I accepted the big challenge of working at CERN, thus moving to another country and learning a new language.

As software developer at CERN, I am responsible for the vacuum controls section of all particle accelerators, including the famous LHC (Large Hadron Collider). These tasks include development of softwares to manage and monitoring all vacuum devices in the tunnels.

Thanks to IT, I had excellent opportunities to gain experience and also extend my knowledge. Every time I get a chance, I go to Portugal to visit my friends in Aveiro and IT.

Meu muito obrigado!


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Guilherme Correa


on 04-06-2020

... I became a Professor at UFPel, where I am currently teaching and advising students of both undergraduate and graduate levels at the Computer Science department. (see more)







In 2008 I was a last-year undergraduate student in Computer Science at the Federal University of Pelotas (UFPel), in Brazil. That year, a scholarship from the Santander Foundation allowed me to stay for one semester as an intern at the Instituto de Telecomunicações (Coimbra), under the guidance of Professor Luis A. da Silva Cruz. My task during the internship was to design hardware architectures for the H.264/AVC video coding standard and to prototype them on FPGAs. Despite the short period of six months, the internship at IT was my first experience outside Brazil, so I tried to take as much as I could from it. That opportunity proved to be extremely important in my academic life later on. After finishing my M.Sc. in Computer Science in Brazil (2010), Prof. Luis Cruz invited me to apply for an IT scholarship to work on a project related with the High Efficiency Video Coding (HEVC) standard, which was still in its initial steps. Back to Portugal, I also applied and was selected as a Ph.D. candidate in Electrical and Computer Engineering at the University of Coimbra. After four years and a half, I presented a thesis entitled “Computational Complexity Reduction and Scaling for High Efficiency Video Encoders”. My research at IT focused on decreasing the computational effort required by modern video encoders, namely the HEVC encoders, with small loss or preferably no loss at all in terms of compression rates or image quality. Just after my Ph.D. conclusion, I returned to my hometown in the southernmost state of Brazil, where I started my activities as a postdoctoral researcher at the Federal University of Pelotas (UFPel). One year later, I became a Professor at UFPel, where I am currently teaching and advising students of both undergraduate (B.Sc. and B.Eng.) and graduate levels (M.Sc. and Ph.D.) at the Computer Science department. Along with other four professors from UFPel, we founded the Video Technology Research Group (ViTech) in 2016, which is one of the largest Brazilian research groups in the field of video technologies. Today, our research group counts with over 40 undegraduate and graduate students, all of which research on topics related to image and video coding algorithms, video compression standards, hardware architectures, and multimedia transport and delivery. Several of these works still occur in association with IT-Coimbra, which has received five other researchers from UFPel (either professors or students) since the beginning of this fruitful collaboration. Today I can surely look back and say that the short six-month experience I had at IT in 2008 has spanned for over one decade and defined most of my academic and professional life!


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