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Faculty of Mathematics

 

Assistant Research Professor at Cambridge Image Analysis (CIA) group, and lead of Computational Applied Tomography (CAT) group.

I am a translational researcher focusing on mathematics and applications of imaging, particularly in tomography. I have worked mostly on medical and scientific Cone Beam Computed Tomography (CBCT), general CT, and Positron Emission Tomography. I have also done some research on Electrical Impedance Tomography (EIT) and Fermi Tomography, among others. My research efforts are equally divided on:

  • Developing mathematical optimization algorithms (both machine learning based and traditional optimization) for inverse problems in tomography (applied maths). 

  • Developing computational methods, high performance computing solutions, machine learning models and software packages for the algorithms above (computer science). 

  • Applying these methods into real datasets and applications of tomography, and proposing novel uses of tomography enabled by the previous two points (applied science & medicine).

I am the main author and maintainer of TIGRE toolbox  (easy to use and fast optimization algorithms for real CT) and currently I am developing the LION toolbox (reproducible and reliable data-driven tomographic reconstruction methods).

I do supervise and co-supervise MPhil and PhD students across the University, don't hesitate to reach out if you think my research experience can be useful. 

 

 

Publications

Navigating the challenges in creating complex data systems: a development philosophy
S Dittmer, M Roberts, J Gilbey, A Biguri, A-C Collaboration, J Preller, JHF Rudd, JAD Aston, C-B Schönlieb
(2022)
Source-detector trajectory optimization in cone-beam computed tomography: a comprehensive review on today’s state-of-the-art
S Hatamikia, A Biguri, G Herl, G Kronreif, T Reynolds, J Kettenbach, T Russ, A Tersol, A Maier, M Figl, JH Siewerdsen, W Birkfellner
– Physics in Medicine and Biology
(2022)
67,
16TR03
Effects of fast x-ray cone-beam tomographic measurement on dimensional metrology
C Rossides, H Towsyfyan, A Biguri, H Deyhle, R Lindroos, M Mavrogordato, R Boardman, W Sun, T Blumensath
– Metrologia
(2022)
59,
044003
Toward on-the-fly trajectory optimization for C-arm CBCT under strong kinematic constraints
S Hatamikia, A Biguri, G Kronreif, M Figl, T Russ, J Kettenbach, M Buschmann, W Birkfellner
– PLoS One
(2021)
16,
e0245508
Arbitrarily large tomography with iterative algorithms on multiple GPUs using the TIGRE toolbox
A Biguri, R Lindroos, R Bryll, H Towsyfyan, H Deyhle, IEK Harrane, R Boardman, M Mavrogordato, M Dosanjh, S Hancock, T Blumensath
– Journal of Parallel and Distributed Computing
(2020)
146,
52
PET/CT Respiratory Motion Correction With a Single Attenuation Map Using NAC Derived Deformation Fields
AC Whitehead, A Biguri, N Efthimiou, K-H Su, SW Wollenweber, CW Stearns, BF Hutton, JR McClelland, K Thielemans
– 2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)
(2020)
00,
1
PO-1701: Optimized source-detector trajectories for low dose CBCT
S Hatamikia, A Biguri, G Kronreif, H Furtado, M Buschmann, J Kettenbach, E Steiner, M Gober, D Georg, W Birkfellner
– Radiotherapy and Oncology
(2020)
152,
s937
Optimized source-detector trajectories for low dose CBCT
S Hatamikia, A Biguri, G Kronreif, H Furtado, M Buschmann, J Kettenbach, E Steiner, M Gober, D Georg, W Birkfellner
– RADIOTHERAPY AND ONCOLOGY
(2020)
152,
S937
Optimization for customized trajectories in cone beam computed tomography.
S Hatamikia, A Biguri, G Kronreif, J Kettenbach, T Russ, H Furtado, LK Shiyam Sundar, M Buschmann, E Unger, M Figl, D Georg, W Birkfellner
– Med Phys
(2020)
47,
4786
Short Scan Source-detector Trajectories for Target-based CBCT
S Hatamikia, A Biguri, G Kronreif, T Russ, J Kettenbach, W Birkfellner
– Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
(2020)
2020,
1299
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Research Group

Cambridge Image Analysis

Room

F0.08