Category Archives: News

MSc thesis defense Friday 23rd November

You are cordially invited to attend the MSc thesis defence of Niels van der Veen. This defense will take place on Friday the 23rd of November, at 12:00h in room LB01.010, building 36.

The presentation is open to the public and will last around 45 minutes including questions from the audience. You are hereby cordially invited to join!

Title

A paint-based approach for optimal lighting design in real scenes

Abstract

Lighting design is a computational expensive task, commonly done using Computer-aided design (CAD) software in a virtual scene. The designer places and tunes the virtual light sources and, yet the virtual environment is ideal for physically correct light tracing, the costly simulation might not provide the desired impression in the real scene. Moreover, the chosen light placement is not necessarily optimized. In this work we capture light behavior from real scenes as well as 3D scene properties and use this information to recreate different lighting designs. The results approximates physical correctness while visualizing the illumination on the real scene in a more time-efficient way. To make the design process more intuitive, the user paints the desired light properties instead of placing the light sources. The system attempts to find valid positions and parameters of the light sources in the scene to reflect the current design. Constraints such as number of light sources and emission profiles as well as spatial constraints can also be specified.

Committee

Prof. Dr. Elmar Eisemann

Dr. Klaus Hildebrandt

Dr. R. Venkatesha Prasad

Computer Graphics and Visualization Research Seminar

You are cordially invited to attend our Computer Graphics and Visualization Research Seminar on Thursday, November 22nd, 2018, 13:00-14:00, at VMB COLLOQUIUMZAAL.

The program features an invited talk:

Speaker: Dr. Jun Wu
Assistant Professor, Department of Design Engineering, Delft University of Technology

Title: Topology Optimization of Multiscale Structures for 3D Printing

Abstract: 3D printing enables the fabrication of complex structures. In engineering the benefits of this manufacturing flexibility are probably best demonstrated in combination with the design of structures by topology optimization. In this talk I will present our research on topology optimization of multiscale structures. The first approach, inspired by trabecular bone, generates porous bone-like infill structures for 3D printing. This approach is extended to allow simultaneous optimization of shape boundaries and the interior lattice. To reduce its computational complexity, a homogenization-based approach is developed to project orthotropic lattice structures. In the second approach, we develop a continuous formulation to the discrete problem of quadtree subdivision. By restricting the subdivision level, geometric features such as maximum and minimum structure sizes can be controlled, for manufacturing benefits.

Images of optimized structures and fabrication results can be found on this page.

We have one new PhD joining

We have one new PhD joining our group, Baran Usta, welcome!

Baran got his BSc in Computer Science and Engineering from Sabanci University, Turkey in 2015. He got his MSc in Computer Science and Engineering from the same university in 2018. During his studies, he was an exchange student at TU/e for bachalors and TU Delft for masters.

We have 2 new PhDs joining

We have two new PhDs joining our group, Xuejiao Luo and Annemieke Verbraeck. Welcome!

Xuejiao got her BSc in Electronic Science and Technology from South China University of Technology, China in 2012. She got her masters in Multimédia Networking at Télécom ParisTech, France in 2017.

Annemieke got her BSc in Astronomy from Leiden University and MSc in Computer Science from TU Delft.

Recent PhD defense

Today Timothy R. Kol successfully defended his PhD dissertation, Representing Large Virtual Words, in Senaatszaal, the Aula. Congratulations to Dr. Kol!

Dr. Kol is now a graphics researcher at animation studio OLM Digital in Tokyo, Japan.

Eurographics 2018 registration is now open

Eurographics 2018 takes place in the Netherlands! Eurographics is the flagship event of the Eurographics Asssociation and the top computer graphics conference in Europe. Checkout the program here.

The registration is now open! Early-bird is running until 15th of March. All registration fees include full access to the 5-day conference, all social events, the electronic theater, as well as on-site lunch!

We are looking forward to seeing you in Delft between the 16th-20th of April!

Eurographics


16 APRIL 2018 09:00 T/M 19 APRIL 2018 18:00 – LOCATIE: TU DELFT AULA CONGRESS CENTER – DOOR: COMMUNICATION EWI

Eurographics 2018 continues a series of conferences organized by the Eurographics Association covering the wide field of Computer Graphics, from rendering techniques to geometry and mesh processing, as well as computer animation and physical simulation.

The 39th Eurographics conference will be held on April 16-20, 2018 in Delft, The Netherlands. Delft University of Technology will host the conference.

For more information, please go to: https://www.eurographics2018.nl/

 

Two MSc theses successfully defended this week

Berend Klein-Haneveld and Cees-Willem Hofstede successfully defended their theses in our group this week.

Main interface of Berend Klein-Haneveld's RegistrationShop with two CT lung datasets. The fixed volume is visible on the left side, the moving volume on the right and the view in the middle shows the current registration result of the two volumes.
Main interface of Berend Klein-Haneveld’s RegistrationShop with two CT lung datasets.

On Wednesday, the 26th of March, Berend defended his thesis “RegistrationShop – an interactive 3D medical volume registration tool”. In his work he developed RegistrationShop as a tool that aims to make the complex process of 3D volume registration easier by providing simple interaction techniques and real-time visual feedback of the current registration results. Users are able to place landmarks in 3D either by surface picking or by tracing a ray through the volume until the desired location is reached. During the registration process they are provided with visualizations of both the moving and fixed volumes as well as the current registration result in a combined view.

The Online Anatomical Human with a 3D model of the pelvis and linked orthogonal planes containing cryosectional data and label information.
The Online Anatomical Human with a 3D model of the pelvis and linked orthogonal planes containing cryosectional data and label information.

On Friday, the 28th of March, Cees-Willem defended his thesis “The Online Anatomical Human – an online browser and annotation system for real human anatomy”. He worked on bringing anatomical education to a web browser, by creating an online environment in which a 3D anatomical model of the pelvis is linked to 2D medical imaging data. Users are able to annotate structures directly on the 3D mesh using landmark, brush and line tools and can enrich the model with their annotations.  Both theses were supervised by Charl Botha, Anna Vilanova and Noeska Smit.

We’d like to congratulate Berend en Cees-Willem on their Master of Science titles!

CGV Colloquium – Thursday March 20th

You are cordially invited to attend our next Computer Graphics and Visualization (CGV) Colloquium, which will be held on Thursday, March 20th, 2014, 15.45-17.00, in the Vassiliadis room (HB10.230).

The program this month features the following speakers:

  • Gerard Simons: Light path visualization & editing
  • Fieke Taal: Procedural generation of traffic signs
  • Benny Onrust: Procedural generation of ecosystems

All interested colleagues are more than welcome, so feel free to disseminate this announcement.

As a reminder, all CGV MSc students (both seminar and thesis project) are expected to attend our monthly colloquium series.

Looking forward to see you all at the colloquium!

CGV Colloquium – Thursday February 20th

You are cordially invited to attend our next Computer Graphics and Visualization (CGV) Colloquium, which will be held on Thursday, February 20th, 2014, 15.45-17.00, in the Vassiliadis room (HB10.230).

The program this month features the following speakers:

  • Nathan Mol: Procedural methods for the vessel modeling domain
  • Daniel van der Ende: Data manipulation for high-dimensional data visualization
  • Ben Kybartas: A graph rewriting approach to narrative generation

All interested colleagues are more than welcome, so feel free to disseminate this announcement.

As a reminder, all CGV MSc students (both seminar and thesis project) are expected to attend our monthly colloquium series.

Looking forward to see you all at the colloquium!