no code implementations • 4 Mar 2024 • Lei LI, Tianfang Zhang, Zhongyu Jiang, Cheng-Yen Yang, Jenq-Neng Hwang, Stefan Oehmcke, Dimitri Pierre Johannes Gominski, Fabian Gieseke, Christian Igel
We leverage the fusion of three-dimensional LiDAR measurements and 2D imagery to facilitate the accurate counting of trees.
no code implementations • 20 Nov 2023 • HUI ZHANG, Ankit Kariryaa, Venkanna Babu Guthula, Christian Igel, Stefan Oehmcke
This paper studies how to combine accurate point labels of urban trees along streets with crowd-sourced annotations from an open geographic database to delineate city trees in remote sensing images, a task which is challenging even for humans.
no code implementations • 15 Jan 2023 • Lei LI, Tianfang Zhang, Stefan Oehmcke, Fabian Gieseke, Christian Igel
Building segmentation from aerial images and 3D laser scanning (LiDAR) is a challenging task due to the diversity of backgrounds, building textures, and image quality.
no code implementations • 18 Dec 2022 • Tianfang Zhang, Lei LI, Christian Igel, Stefan Oehmcke, Fabian Gieseke, Zhenming Peng
In this work, we propose a DUN called low-rank CS network (LR-CSNet) for natural image CS.
no code implementations • 30 Mar 2022 • Christian Igel, Stefan Oehmcke
We suggest to adjust the bias of the machine learning model after training as a default postprocessing step, which efficiently solves the problem.
no code implementations • 21 Dec 2021 • Stefan Oehmcke, Lei LI, Katerina Trepekli, Jaime Revenga, Thomas Nord-Larsen, Fabian Gieseke, Christian Igel
Quantification of forest biomass stocks and their dynamics is important for implementing effective climate change mitigation measures.
no code implementations • 1 Nov 2020 • Stefan Oehmcke, Tzu Hsin Karen Chen, Alexander V Prishchepov, Fabian Gieseke
The model uses supplementary data, namely the approximate cloud coverage of input images, the temporal distance to the target time, and a missing data mask for each input time step.
2 code implementations • 29 Sep 2020 • Yimian Dai, Fabian Gieseke, Stefan Oehmcke, Yiquan Wu, Kobus Barnard
Feature fusion, the combination of features from different layers or branches, is an omnipresent part of modern network architectures.
Ranked #651 on Image Classification on ImageNet
1 code implementation • 15 Jul 2020 • Yimian Dai, Stefan Oehmcke, Fabian Gieseke, Yiquan Wu, Kobus Barnard
Inspired by their similarity, we propose a novel type of activation units called attentional activation (ATAC) units as a unification of activation functions and attention mechanisms.
no code implementations • 10 Dec 2019 • Vinnie Ko, Stefan Oehmcke, Fabian Gieseke
One important advantage of our M&U pruning criterion is that it is scale-invariant, a phenomenon that the magnitude-based pruning criterion suffers from.
no code implementations • 4 Dec 2019 • Stefan Oehmcke, Christoffer Thrysøe, Andreas Borgstad, Marcos Antonio Vaz Salles, Martin Brandt, Fabian Gieseke
We evaluate our approaches on a dataset that is based on Sentinel~2 satellite imagery and OpenStreetMap vector data.
no code implementations • 25 Sep 2019 • Stefan Oehmcke, Fabian Gieseke
Both the associated selection masks as well as the neural network are trained simultaneously such that a good model performance is achieved while, at the same time, only a minimal amount of data is selected.
1 code implementation • 11 Jun 2019 • Stefan Oehmcke, Fabian Gieseke
The model as well as the associated selection masks are trained simultaneously such that a good model performance is achieved while only a minimal amount of data is selected.