activity
20182026
most citedGrid Saliency for Context Explanations of Semantic Segmentation

34 citations · 65 across the 22 of their papers we have counts for

collaborators

24 papers

cs.CV2026

Robust Promptable Video Object Segmentation

Sohyun Lee, Yeho Gwon, Lukas Hoyer +3

The performance of promptable video object segmentation (PVOS) models substantially degrades under input corruptions, which prevents PVOS deployment in safety-critical domains. Thi…

cs.CV2026★ 1 cited

Rewis3d: Reconstruction Improves Weakly-Supervised Semantic Segmentation

Jonas Ernst, Wolfgang Boettcher, Lukas Hoyer +2

We present Rewis3d, a framework that leverages recent advances in feed-forward 3D reconstruction to significantly improve weakly supervised semantic segmentation on 2D images. Obta…

cs.CV2025

S2D: Sparse-To-Dense Keymask Distillation for Unsupervised Video Instance Segmentation

Leon Sick, Lukas Hoyer, Dominik Engel +2

In recent years, the state-of-the-art in unsupervised video instance segmentation has heavily relied on synthetic video data, generated from object-centric image datasets such as I…

cs.CV2025

RealDriveSim: A Realistic Multi-Modal Multi-Task Synthetic Dataset for Autonomous Driving

Arpit Jadon, Haoran Wang, Phillip Thomas +7

As perception models continue to develop, the need for large-scale datasets increases. However, data annotation remains far too expensive to effectively scale and meet the demand.…

cs.CV2025

GaRA-SAM: Robustifying Segment Anything Model with Gated-Rank Adaptation

Sohyun Lee, Yeho Gwon, Lukas Hoyer +1

Improving robustness of the Segment Anything Model (SAM) to input degradations is critical for its deployment in high-stakes applications such as autonomous driving and robotics. O…

cs.CV2025

From Open-Vocabulary to Vocabulary-Free Semantic Segmentation

Klara Reichard, Giulia Rizzoli, Stefano Gasperini +4

Open-vocabulary semantic segmentation enables models to identify novel object categories beyond their training data. While this flexibility represents a significant advancement, cu…

cs.CV2024

MICDrop: Masking Image and Depth Features via Complementary Dropout for Domain-Adaptive Semantic Segmentation

Linyan Yang, Lukas Hoyer, Mark Weber +6

Unsupervised Domain Adaptation (UDA) is the task of bridging the domain gap between a labeled source domain, e.g., synthetic data, and an unlabeled target domain. We observe that c…

cs.CV2024

Scribbles for All: Benchmarking Scribble Supervised Segmentation Across Datasets

Wolfgang Boettcher, Lukas Hoyer, Ozan Unal +2

In this work, we introduce Scribbles for All, a label and training data generation algorithm for semantic segmentation trained on scribble labels. Training or fine-tuning semantic…

cs.CV2023

DGInStyle: Domain-Generalizable Semantic Segmentation with Image Diffusion Models and Stylized Semantic Control

Yuru Jia, Lukas Hoyer, Shengyu Huang +4

Large, pretrained latent diffusion models (LDMs) have demonstrated an extraordinary ability to generate creative content, specialize to user data through few-shot fine-tuning, and…

cs.CV2023★ 3 cited

SemiVL: Semi-Supervised Semantic Segmentation with Vision-Language Guidance

Lukas Hoyer, David Joseph Tan, Muhammad Ferjad Naeem +2

In semi-supervised semantic segmentation, a model is trained with a limited number of labeled images along with a large corpus of unlabeled images to reduce the high annotation eff…

cs.CV2023

2D Feature Distillation for Weakly- and Semi-Supervised 3D Semantic Segmentation

Ozan Unal, Dengxin Dai, Lukas Hoyer +2

As 3D perception problems grow in popularity and the need for large-scale labeled datasets for LiDAR semantic segmentation increase, new methods arise that aim to reduce the necess…

cs.CV2023★ 1 cited

SILC: Improving Vision Language Pretraining with Self-Distillation

Muhammad Ferjad Naeem, Yongqin Xian, Xiaohua Zhai +3

Image-Text pretraining on web-scale image caption datasets has become the default recipe for open vocabulary classification and retrieval models thanks to the success of CLIP and i…

cs.CV2023

LiDAR Meta Depth Completion

Wolfgang Boettcher, Lukas Hoyer, Ozan Unal +2

Depth estimation is one of the essential tasks to be addressed when creating mobile autonomous systems. While monocular depth estimation methods have improved in recent times, dept…

cs.CV2023

EDAPS: Enhanced Domain-Adaptive Panoptic Segmentation

Suman Saha, Lukas Hoyer, Anton Obukhov +2

With autonomous industries on the rise, domain adaptation of the visual perception stack is an important research direction due to the cost savings promise. Much prior art was dedi…

cs.CV2023

Domain Adaptive and Generalizable Network Architectures and Training Strategies for Semantic Image Segmentation

Lukas Hoyer, Dengxin Dai, Luc Van Gool

Unsupervised domain adaptation (UDA) and domain generalization (DG) enable machine learning models trained on a source domain to perform well on unlabeled or even unseen target dom…

cs.CV2022★ 10 cited

MIC: Masked Image Consistency for Context-Enhanced Domain Adaptation

Lukas Hoyer, Dengxin Dai, Haoran Wang +1

In unsupervised domain adaptation (UDA), a model trained on source data (e.g. synthetic) is adapted to target data (e.g. real-world) without access to target annotation. Most previ…

cs.CV2022★ 7 cited

HRDA: Context-Aware High-Resolution Domain-Adaptive Semantic Segmentation

Lukas Hoyer, Dengxin Dai, Luc Van Gool

Unsupervised domain adaptation (UDA) aims to adapt a model trained on the source domain (e.g. synthetic data) to the target domain (e.g. real-world data) without requiring further…

cs.CV2021★ 1 cited

DAFormer: Improving Network Architectures and Training Strategies for Domain-Adaptive Semantic Segmentation

Lukas Hoyer, Dengxin Dai, Luc Van Gool

As acquiring pixel-wise annotations of real-world images for semantic segmentation is a costly process, a model can instead be trained with more accessible synthetic data and adapt…

cs.CV2021★ 2 cited

Improving Semi-Supervised and Domain-Adaptive Semantic Segmentation with Self-Supervised Depth Estimation

Lukas Hoyer, Dengxin Dai, Qin Wang +2

Training deep networks for semantic segmentation requires large amounts of labeled training data, which presents a major challenge in practice, as labeling segmentation masks is a…

cs.CV2021★ 6 cited

Domain Adaptive Semantic Segmentation with Self-Supervised Depth Estimation

Qin Wang, Dengxin Dai, Lukas Hoyer +2

Domain adaptation for semantic segmentation aims to improve the model performance in the presence of a distribution shift between source and target domain. Leveraging the supervisi…

cs.CV2020

Three Ways to Improve Semantic Segmentation with Self-Supervised Depth Estimation

Lukas Hoyer, Dengxin Dai, Yuhua Chen +3

Training deep networks for semantic segmentation requires large amounts of labeled training data, which presents a major challenge in practice, as labeling segmentation masks is a…

cs.CV2019★ 34 cited

Grid Saliency for Context Explanations of Semantic Segmentation

Lukas Hoyer, Mauricio Munoz, Prateek Katiyar +2

Recently, there has been a growing interest in developing saliency methods that provide visual explanations of network predictions. Still, the usability of existing methods is limi…

cs.CV2019

Short-Term Prediction and Multi-Camera Fusion on Semantic Grids

Lukas Hoyer, Patrick Kesper, Anna Khoreva +1

An environment representation (ER) is a substantial part of every autonomous system. It introduces a common interface between perception and other system components, such as decisi…

cs.CV2018

A Robot Localization Framework Using CNNs for Object Detection and Pose Estimation

Lukas Hoyer, Christoph Steup, Sanaz Mostaghim

External localization is an essential part for the indoor operation of small or cost-efficient robots, as they are used, for example, in swarm robotics. We introduce a two-stage lo…