Search Results for author: Stephan Saalfeld

Found 8 papers, 5 papers with code

Synaptic Cleft Segmentation in Non-Isotropic Volume Electron Microscopy of the Complete Drosophila Brain

no code implementations7 May 2018 Larissa Heinrich, Jan Funke, Constantin Pape, Juan Nunez-Iglesias, Stephan Saalfeld

Neural circuit reconstruction at single synapse resolution is increasingly recognized as crucially important to decipher the function of biological nervous systems.

Joint Deformable Registration of Large EM Image Volumes: A Matrix Solver Approach

1 code implementation26 Apr 2018 Khaled Khairy, Gennady Denisov, Stephan Saalfeld

Large electron microscopy image datasets for connectomics are typically composed of thousands to millions of partially overlapping two-dimensional images (tiles), which must be registered into a coherent volume prior to further analysis.

Image Registration

The Candidate Multi-Cut for Cell Segmentation

no code implementations4 Jul 2017 Jan Funke, Chong Zhang, Tobias Pietzsch, Stephan Saalfeld

Two successful approaches for the segmentation of biomedical images are (1) the selection of segment candidates from a merge-tree, and (2) the clustering of small superpixels by solving a Multi-Cut problem.

Cell Segmentation Superpixels

Deep Learning for Isotropic Super-Resolution from Non-Isotropic 3D Electron Microscopy

no code implementations9 Jun 2017 Larissa Heinrich, John A. Bogovic, Stephan Saalfeld

The most sophisticated existing methods to generate 3D isotropic super-resolution (SR) from non-isotropic electron microscopy (EM) are based on learned dictionaries.


Robust Registration of Calcium Images by Learned Contrast Synthesis

1 code implementation3 Nov 2015 John A. Bogovic, Philipp Hanslovsky, Allan Wong, Stephan Saalfeld

Multi-modal image registration is a challenging task that is vital to fuse complementary signals for subsequent analyses.

BIG-bench Machine Learning Image Registration

Image-Based Correction of Continuous and Discontinuous Non-Planar Axial Distortion in Serial Section Microscopy

2 code implementations3 Nov 2015 Philipp Hanslovsky, John A. Bogovic, Stephan Saalfeld

In serial section microscopy, the axial dimension of the volume is sampled by physically removing thin sections from the embedded specimen and subsequently imaging either the block-face or the section series.


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