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2 cars : the top one was printed using CurviSlicer software, while the bottom one was printed using less powerful software. The top car was printed using the CurviSlicer program, while the one on the bottom was printed using a lower quality program. - Inria

3D printing

Smoother 3D prints

Mediathena - 23/07/2019

Two project teams, MFX (Matter from Graphics) and Pixel, joint undertakings involving Inria and Loria based in Nancy, have developed an innovative software for the 3D printing of curved surfaces. In order to avoid “the staircase effect”, the new algorithm CurviSlicer divides the shape of the part to be printed into curved slices in such a way that the deposition follows the surfaces naturally. This makes it possible to perform deposition along smooth curved surfaces using a conventional fused filament 3D printer. Their work will be unveiled at the international conference SIGGRAPH on 31st July 2019.

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Aravind Sukumaran-Rajam

Portrait

From Nancy to Washington: launch of an international career

Mediathena - 22/07/2019

Doing a PhD at Inria will open you the doors to academic research world-wide, whether you are francophone or not. Aravind Sukumaran-Rajam, a former PhD student at Inria’s centre “Nancy-Grand Est” is now a Senior research associate at the Ohio State University (OSU), Columbus, and will become Assistant professor at the Washington State University (WSU) as of August 2019.

He tells us about his inspiring time as an anglophone within an Inria research team in Strasbourg, France, and how it helped him build up his career.

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An example of an elastic part printed using this new geometric model - © Inria / Photo D. Betzinger

3D printing

Stars in metamaterials

Mediathena - 22/07/2019

3D printing allows scientists to create metamaterials, i.e. materials whose properties can be configured and graded within the same part. When it comes to using these materials in an industrial context, the possibilities are endless. A collaborative project led by Jonàs Martínez, researcher within the MFX team, a joint undertaking involving Nancy-Grand Est and Loria, resulted in the development of an algorithm capable of generating materials with elastic properties that can be adjusted to suit requirements. The work, which was based around the repetition of patterns defined from star shaped distances, the parameters of which determine the final properties of the material, will be unveiled at the international conference SIGGRAPH 2019.

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Plate with a sample of a striped surface produced using Procedural Phasor Noise Plate with a sample of a striped surface produced using Procedural Phasor Noise - © Inria/T.Tricard

3D printing

An algorithm for creating high-contrast irregular patterns

Mediathena - 22/07/2019

How can we digitally recreate the unevenness of tree bark, sand or roughcasting in such a way that they appear natural? The answer comes from the MFX (Inria Nancy-Grand Est and Loria) and Maverick (Inria Grenoble) project teams, who worked together to develop an innovative algorithm capable of generating such patterns on surfaces. An upgrade on the previous standard in the field (Gabor Noise), Procedural Phasor Noise is set to be unveiled at the international conference SIGGRAPH 2019, and will enable users to generate complex patterns with previously unachievable levels of control. Designed for 3D printing, it will also make it easier to manufacture composite materials whose physical properties may vary depending on the direction.

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Photo of Li, Wan Chiu. On screen: model of an underground oil reservoir; modelled surfaces, from which a volumetric mesh is created to simulate deformation as the reservoir is emptied, thus minimizing financial and environmental risks. Li, Wan Chiu - © Inria / Photo D. Betzinger

Start-up project

GeO2: A future start-up in 3D meshing

12/07/2019

Selected by the national jury of the i-Lab innovation competition organised by Bpifrance and the French Ministry of Higher Education, Research and Innovation, GeO2 technology is the work of a team of researchers from Inria Nancy-Grand Est. The project will lead to the creation of a start-up within the next 12 months. Using digital modelling, it aims to enhance the use of natural underground reservoirs, not only for "new" users of the underground environment as part of the transition to a green economy, but also for existing fossil industries. Here GeO2 introduces itself for its pre-release.

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Room for data-acquisition of facial movements and screen display Room for data-acquisition of facial movements and screen display - © Inria / Photo D. Betzinger

Software technology

Dynalips: A new voice in lip synchronisation

Mediathena - CD - 1/07/2019

Nominated to the national jury of the i-Lab contest, organised by Bpifrance and the Ministry of Higher Education, Research and Innovation, Dynalips was created in 2015 within the Multispeech project team, jointly supported by Inria and the Loria. This lipsync technology is soon to be marketed by its own start-up. We will be finding more about it today.

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Europe

Jonàs Martinez Bayona, keeping up to speed with research in Europe

Mediathena - 24/05/2019

Having moved to France in 2014, Jonàs Martinez Bayona, a young researcher at Inria Nancy - Grand Est, has just been named scientific correspondent for Europe. His role? To find out as much as he can about the various calls for projects launched at European level, to identify potential partners and to liaise with all teams from Inria Nancy - Grand Est.

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Lucca Hirschi

Portrait

Lucca Hirschi, a new researcher within the Pesto team

A-L.Charbonnier - 21/05/2019

We met up with Lucca Hirschi, 29, who joined Inria as a research fellow on 1st January 2019 as part of the Pesto team, a joint undertaking involving Inria and Loria.

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Marie-Dominique Devignes - © Re.Med. / Nov 2018

Artificial intelligence in healthcare

In the AI garden: the decision tree

A-L.C (*) - 23/04/2019

Meeting with Marie-Dominique Devignes researcher CNRS in the project team CAPSID common to INRIA Nancy-Grand Est and laboratory Loria, a specialist in bioinformatics.

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Jérôme François and Olivier Festor, team RESIST Inria Nancy - Grand Est

Distinctions

IEEE IM did not RESIST to rewarding 3 scientists from our center!

Véronique Poirel - 17/04/2019

Three researchers from the RESIST research team, based at Inria in Nancy and at the Loria laboratory, were honoured during the 16th International IFIP/IEEE Symposium, IM 2019. The symposium was dedicated to integrated network management, and took place in Washington DC between the 8th to 12th April.

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