Search Results for author: Christoph Angermann

Found 9 papers, 3 papers with code

Uncertainty-Aware Null Space Networks for Data-Consistent Image Reconstruction

1 code implementation14 Apr 2023 Christoph Angermann, Simon Göppel, Markus Haltmeier

This can be achieved either by iterative network architectures or by a subsequent projection of the network reconstruction.

MRI Reconstruction Uncertainty Quantification

Unsupervised Joint Image Transfer and Uncertainty Quantification Using Patch Invariant Networks

1 code implementation9 Jul 2022 Christoph Angermann, Markus Haltmeier, Ahsan Raza Siyal

To ensure a structure-preserving mapping from the input to the target domain, existing methods for unpaired image transfer are commonly based on cycle-consistency, causing additional computational resources and instability due to the learning of an inverse mapping.

Data Augmentation Uncertainty Quantification

Unsupervised Single-shot Depth Estimation using Perceptual Reconstruction

1 code implementation28 Jan 2022 Christoph Angermann, Matthias Schwab, Markus Haltmeier, Christian Laubichler, Steinbjörn Jónsson

Real-time estimation of actual object depth is an essential module for various autonomous system tasks such as 3D reconstruction, scene understanding and condition assessment.

3D Reconstruction Depth Estimation +2

Unpaired Single-Image Depth Synthesis with cycle-consistent Wasserstein GANs

no code implementations31 Mar 2021 Christoph Angermann, Adéla Moravová, Markus Haltmeier, Steinbjörn Jónsson, Christian Laubichler

Real-time estimation of actual environment depth is an essential module for various autonomous system tasks such as localization, obstacle detection and pose estimation.

Depth Estimation Pose Estimation

Surface Topography Characterization Using a Simple Optical Device and Artificial Neural Networks

no code implementations15 Mar 2021 Christoph Angermann, Markus Haltmeier, Christian Laubichler, Steinbjörn Jónsson, Matthias Schwab, Adéla Moravová, Constantin Kiesling, Martin Kober, Wolfgang Fimml

A novel machine learning framework is proposed that allows prediction of the bearing load curves from RGB images of the liner surface that can be collected with a handheld microscope.

BIG-bench Machine Learning

Deep Structure Learning using Feature Extraction in Trained Projection Space

no code implementations1 Sep 2020 Christoph Angermann, Markus Haltmeier

Over the last decade of machine learning, convolutional neural networks have been the most striking successes for feature extraction of rich sensory and high-dimensional data.

Segmentation

Random 2.5D U-net for Fully 3D Segmentation

no code implementations23 Oct 2019 Christoph Angermann, Markus Haltmeier

Convolutional neural networks are state-of-the-art for various segmentation tasks.

Segmentation

Projection-Based 2.5D U-net Architecture for Fast Volumetric Segmentation

no code implementations1 Feb 2019 Christoph Angermann, Markus Haltmeier, Ruth Steiger, Sergiy Pereverzyev Jr, Elke Gizewski

While for 2D images these networks are also computationally efficient, 3D convolutions have huge storage requirements and require long training time.

Segmentation

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