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40 hours - Holst Centre / imec the Netherlands

Developing multi-frequency electrical impedance tomography system

Job details

Traineeship

The objective of this project is to develop an MF-EIT system with imec developed hardware and open source EIT algorithm (EIDORS).

Electrical impedance tomography (EIT) is an ultra-low-power imaging technique for inside of the human body.  Prior work focused mainly on single-frequency impedance measurements Multi-frequency (MF) measurements allow for a much more in-depth analysis for high(er) quality images. The objective of this project is to develop an MF-EIT system with imec developed hardware and open source EIT algorithm (EIDORS).

 

Project Description

Bio-impedance (BIOZ) is a non-invasive, safe and low-power sensing modality for monitoring body signals as well as analyzing body composition. An electrical impedance tomography (EIT) system, using the BIOZ readout as a fundamental building block, is an imaging solution which constructs an impedance map of the subject under test and can be applied for visualizing the internals of the human body. Due to the frequency dependency of BIOZ to different kind of elements in the body, multi-frequency (MF) measurement allows for an in-depth analysis of the body. Imec has developed an ultra-low-power multi-frequency (MF) BIOZ readout IC and we are expanding its application to EIT in addition to the single-channel use case.

 

The goal of this project is developing a multi-frequency/multi-channel (MFMC) BIOZ measurement system by using imec's BIOZ readout IC. To validate the MFMC BIOZ system, it will be required to build a phantom model to test the MFMC BIOZ system. In addition, the student will work on constructing the impedance map from the obtained BIOZ measurement values by using EIDORS (open source EIT algorithm).

 

If time permits, the student will also have an opportunity to develop dedicated hardware (PCB) and/or software for real-time imaging.

 

Your Tasks

  • Measure multi-channel/multi-frequency performance of the BIOZ channel in imec's readout IC.
  • Study how to use EIDORS.
  • Perform EIT measurements on test bench and the human body.
  • If time permits: Develop dedicated HW(PCB) and/or SW for EIT.

 

Your Profile

  • Ms Biomedical Engineering or Electrical Engineering.
  • Basic knowledge on electrical engineering (circuit theory, microelectronics, signal processing).
  • MatlabPCB design (plus).
  • Motivated student eager to work independently and expand knowledge in the field.
  • Available for 9 months.
  • Good written and verbal English skills.

 

For all inquiries, please contact:


Ms Najat Loiazizi, HR specialist via email Talent@imec-nl.nl

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