- Optimal threshold selection for tomogram segmentation by projection distance minimizationK J Batenburg
University of Antwerp, IBBT Vision Lab, Universiteitsplein 1, B 2610 Wilrijk Antwerp, Belgium
IEEE Trans Med Imaging 28:676-86. 2009..Simulation experiments applied to various phantom images show that our proposed method obtains superior results compared to established histogram-based methods...
- Accurate segmentation of dense nanoparticles by partially discrete electron tomographyT Roelandts
IBBT Vision Lab University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
Ultramicroscopy 114:96-105. 2012..For both experimental and simulated data, it is shown that PDART yields significantly more accurate segmentations than those obtained by optimal global thresholding of the SIRT reconstruction...
- Performance improvements for iterative electron tomography reconstruction using graphics processing units (GPUs)W J Palenstijn
IBBT Vision Lab, University of Antwerp Universiteitsplein 1, B 2610, Wilrijk, Belgium
J Struct Biol 176:250-3. 2011..By carefully considering memory access locality when dividing the workload among blocks of threads, the GPU's cache is used more efficiently, making more effective use of the available memory bandwidth...
- Iterative correction of beam hardening artifacts in CTG Van Gompel
IBBT Vision Lab, Universiteit Antwerpen, 2610 Antwerp, Belgium and Department of Radiology, UZ Brussel VUB, 1090 Brussels, Belgium
Med Phys 38:S36. 2011..Conclusions: We show that even without prior knowledge about materials or spectrum, effective beam hardening correction can be obtained...