PhD Candidate “Map based classification of airborne laser and image data”

University of Twente
December 05, 2022
Offerd Salary:€2.541
Working address:N/A
Contract Type:Other
Working Time:Full time
Working type:N/A
Job Ref.:N/A

Maps are quickly becoming outdated, about 10 % of the objects change annually. This project focuses on methods to automatically interpret newly acquired sensor data to detect and update the changed objects in the digital map. The sensor data includes high resolution 2D aerial image data and 3D laser scanner data. Our approach is to use the existing (old) digital maps to learn how various objects appear in these 2D and 3D datasets. The PhD researcher's task is to design a deep learning network to semantically segment airborne sensor data, making use of a huge training dataset derived from the fusion of map and sensor data. For (3D) point clouds derived from stereo (2D) images we aim to build a combined 3D and 2D classification approach, to be able to later classify both point clouds and imagery. Alongside this PhD position, one Postdoc will work on the generation of training data, and one other PhD student will work on the delineation of data into map objects.

The specific tasks in this project are to design of neural networks for image and point cloud classification using massive training data, to image and point cloud classification and domain adaptation, and to change detection between sensor data and map data.

Your profile
  • An MSc degree, obtained no more than 5 years ago, related to computer vision, or geo-informatics, with excellent expertise in acquisition and processing of geo-information, and programming (Python, Tensorflow or PyTorch)
  • Excellent study results and experience with the use and further development of deep neural networks
  • Be at ease communicating and discussing with various Dutch project partners (in English). In joint meetings research results must be presented to them and the next steps discussed
  • Our offer
  • An inspiring multidisciplinary and challenging international and academic environment. The university offers a dynamic ecosystem with enthusiastic colleagues in which internationalization is an important part of the strategic agenda
  • Fulltime employment for 4 years with a starting salary of €2.541,- gross per month in the first year and increasing to €3.247,- gross per month in the fourth year
  • Tailor-made educational/development program of at least 6 months (30EC), including visits to conferences.
  • An annual holiday allowance of 8% of the gross annual salary, and an annual year-end bonus of 8.3%.
  • Total of 41 holidays per year in case of fulltime employment.
  • Professional and personal development programs;
  • Costs for moving to Enschede may be reimbursed.
  • Information and application

    Additional information about this position can be obtained from Dr Oude Elberink (email: or from Prof Vosselman (email: You are also invited to visit our homepage.

    Please submit your application before 5 December 2022. Your application should include:

  • A cover letter (maximum 1 page A4), emphasizing your specific interest, qualifications and motivations to apply for this position;
  • A full Curriculum Vitae, including a list of all courses attended and grades obtained;
  • Official transcripts from all universities attended
  • Names and e-mail addresses of three references

    The University of Twente wants to be an organisation that optimally deploys diversity, talents and capabilities in the labour market for now and the future. In the framework of our diversity and inclusiveness policy, we strongly stimulate people with a (work) disability to apply for this position.

    About the department

    The Department of Earth Observation Science (EOS) is engaged in education, research and capacity building on earth observation, image analysis and geo- health. The department develops and applies methods for the extraction of large scale geo-information from airborne and terrestrial sensors. It holds expertise in laser scanning technology, sensor integration, point cloud processing, scene understanding and 3D landscape and building modelling. The expertise of the department covers spatial statistics, image analysis, deep learning, monitoring and data integration. Geo-health relates the dynamics of diseases to the geo context. This is done by modelling the spread of diseases and their explanatory variables and includes the understanding of the emergence of diseases at various scales.

    About the organization

    The Faculty of Geo-Information Science and Earth Observation (ITC) provides international postgraduate education, research and project services in the field of geo-information science and earth observation. Our mission is capacity development, where we apply, share and facilitate the effective use of geo-information and earth observation knowledge and tools for tackling global wicked problems. Our purpose is to enable our many partners around the world to track and trace the impact – and the shifting causes and frontiers – of today's global challenges. Our vision is of a world in which researchers, educators, and students collaborate across disciplinary and geographic divides with governmental and non-governmental organisations, institutes, businesses, and local populations to surmount today's complex global challenges and to contribute to sustainable, fair, and digital societies.

    How to apply Step 1

    Apply. When you see a vacancy that appeals to you, you can apply online. We ask you to upload a CV and motivation letter and/or list of publications. You will receive a confirmation of receipt by e-mail.

    Step 2

    Selection. The selection committee will review your application and you will receive a response within 2 weeks after the vacancy has been closed.

    Step 3

    1st interview. The 1st (online or in person) meeting serves as an introduction where we introduce ourselves to you and you to us. You may be asked to give a short presentation. This will be further explained in the invitation.

    Step 4

    2nd interview. In the second interview, we will further discuss the job content, your skills and your talents.

    Step 5

    The offer. If the conversations are positive, you will be made a suitable offer.

    Want to know more? Oude Elberink, S.J. (Sander)

    Associate Professor

    Do you have questions about this vacancy? Then you can contact Sander for all substantive questions about this position and the application procedure. For general questions about working for the UT, please refer to the chatbot.



    Your Colleagues
  • Klos, A. (Annelies)
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  • Vos-de Groot, K. de (Karen)
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  • Kwakman, R. (Robin)
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