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Image Reconstruction from Millimetres to the Globe: Bridging the Gap Between Seismic and Medical Imaging
Description and Aim
The propagation of waves is the physical phenomenon used most widely to study the internal structure of media that are not accessible to direct observation.
Most of our knowledge about the Earth’s interior is based on seismic waves that are excited by earthquakes or explosions and which provide illumination down to thousands of kilometres depth. They yield crucial information about the Earth's dynamics and evolution, the location of resources, and the deformation of the subsurface in the event of a large earthquake.
In medical imaging, ultrasonic waves propagate through human tissue and can be used to create high-resolution images without any radiation exposure. Ultrasound computed tomography is a very active field of research and is projected to become one of the most important imaging modalities to detect breast cancer.
Despite the vastly different scale, seismic and medical imaging share remarkable similarities from a mathematical perspective. They both infer unknown material properties or external forces from sparse observations of a time-dependent wavefield. However, there is still very little exchange between these two fields of research and only few collaborations underway that bridge them.
The goal of this workshop is to stimulate dialogue between the communities of medical and seismic imaging, and to explore the extent to which existing solutions and technologies can be transferred. Key topics that will be discussed during the workshop are:
· Experimental design, data acquisition, and processing
· Imaging and inversion methods
· Uncertainty quantification and resolution analysis
We particularly invite PhD students and early-career scientists to participate and hope that the workshop will prepare the ground for future scientific exchange and new joint research projects between medical and seismic imaging.