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NEWS

Nanoscale vibrations work! 17.07.2020

Professor Ronnie Willaert, the team of Professor Hichem Sahli (ETRO) and their international team characterised this cellular nanomotion pattern using a classic optical microscope equipped with a video camera.

An optical nanomotion detection method developed at Vrije Universiteit Brussel with the Ecole Polytechnique Fédérale de Lausanne (EPFL) in Switzerland shows that living yeast cells exhibit specific nanometre-scale cell movement. Professor Ronnie Willaert and his international team characterised this cellular nanomotion pattern using a classic optical microscope equipped with a video camera. Willaert and Sahli : “By automating cell recognition using a deep-learning algorithm, you can eliminate manual cell detection, expand the number of analysed cells and reduce the processing time.” The simplicity of the technique paves the way for numerous applications, including antifungal and antibiotic susceptibility testing or even the search for living organisms in space. The method was published in the renowned journal Science Advances.

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Best Paper Award @ Newcas conference 14.07.2020

Xinyan Tang, a PhD student of Prof. Piet Wambacq, received the Best Paper Award at the Newcas conference (edition 2019), with the paper: Design of A D-band Transformer-Based Neutralized Class-AB Power Amplifier in Silicon Technologies.
Newcas stands for IEEE International New Circuits and Systems Conference

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Most shared/liked COVID19 messages on Twitter came from reliable sources 14.07.2020

Following news via social media is becoming increasingly popular. But the share of fake news has also grown significantly in recent years. No less than 38% of European social media users even come into contact with it every day. However, channels such as Twitter remain suitable for reaching large groups of people and finding correct information. Indeed, a study conducted at the Vrije Universiteit Brussel shows that the tweets about the coronavirus that were most often retweeted and liked by Twitterers came from the accounts of, for example, recognized media companies, government institutions and academics.

To map the dissemination of information and the presence of fake news on Twitter during the corona crisis, Dr. Marlen Komorowski and Prof. Ike Picone (SMIT-VUB) together with colleagues Tien Do Huu, Nikos Deligiannis and Giannis Bekoulis of the Department of Electronics and Informatics (ETRO-VUB) developed a “crawler”. This special search engine collected over 50,000 tweets about COVID-19 sent from European Twitter profiles between March 17 and 24 this year. By then counting the number of likes and retweets of these tweets, the researchers were able to determine which tweets had the highest interaction.

Recipe for Twitter success: familiar headline, corona figures and tips
What does the analysis show? Tweets from known news channels such as Sky News or BBC and from public institutions such as the “International Observatory of Human Rights” or the “European Center for Disease Prevention and Control” were most often retweeted and liked. In addition, posts by influential academics, politicians and journalists recorded a high level of engagement, but other well-known faces or companies such as Greta Thunberg and Snapchat also scored a lot of likes and retweets. Finally, the researchers found that especially tweets with new figures about the pandemic, tips about the corona virus and personal stories were most often retweeted and liked. They found no indication that this is fake news.

Dr. Komorowski further explains the results: “On Twitter you can see a huge variety of voices. That was no different during the corona crisis, but in their search for information, Twitterers fortunately chose reliable sources. That is also the result of Twitter's efforts to tackle disinformation. For example, tweets were removed during the corona crisis that went against the recommendations of the health authorities and the platform collaborated with institutions such as the FPS Health to guide users as much as possible to reliable information. With this study, we obviously do not want to deny that fake news is still circulating on social media.

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PUBLICATIONS

“An exploratory study towards objective quality evaluation of digital hologram coding tools”

In SPIE Optics + Photonics 2019, Applications of Digital Image Processing XLII

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“Nonlocal Low-Rank Regularized Tensor Decomposition for Hyperspectral Image Denoising”

In IEEE Transactions on Geoscience and Remote Sensing

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“The Pipeline Performance Model: A Generic Executable Performance Model for GPUs”

In PDP 2019

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“AUGMENTED REALITY ASSISTED NEUROSURGICAL DRAIN PLACEMENT (ARANED): TECHNICAL NOTE”

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“Multi-User Hybrid MIMO at 60 GHz Using 16-Antenna Transmitters”

In IEEE Transactions on Circuits and Systems I: Regular Papers

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other recent publications ...

EVENTS

09.09.2020

PhD Defense by Mr Sander Stroobants

Crystallization and nucleation under constant shear conditions: A novel ...

Protein crystallization is of major importance in several domains such as structural biology and pharmacy. Indeed, good ...

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PRESS

04.08.2019

La caméra qui détecte l'invisible pour l'homme

Le Soir

23.05.2018

Imec toont tech voor de toekomst (Holografie, hdr-conversie, organs-on-a-chip)

tweakers.net

more press ...

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