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Tobias Fischer

45 accepted papers

2026

AI-Driven Marine Robotics: Emerging Trends in Underwater Perception and Ecosystem Monitoring

AAAI 2026technical

Marine ecosystems face increasing pressure due to climate change, driving the need for scalable, AI-powered monitoring solutions to inform effective conservation and restoration efforts. This paper examines the rapid emergence of underwater AI as a major research frontier and analyzes the factors th

Cited by 0SourcePDFScholar
2026

Automated Coral Spawn Monitoring for Reef Restoration: The Coral Spawn and Larvae Imaging Camera System (CSLICS)

ICRA 2026poster

Coral aquaculture for reef restoration requires accurate and continuous spawn counting for resource distribution and larval health monitoring, but current methods are labor-intensive and represent a critical bottleneck in the coral production pipeline. We propose the Coral Spawn and Larvae Imaging C…

2026

Ensemble-Based Event Camera Place Recognition under Varying Illumination

ICRA 2026poster

Compared to conventional cameras, event cameras provide a high dynamic range and low latency, offering greater robustness to rapid motion and challenging lighting conditions. Although the potential of event cameras for visual place recognition (VPR) has been established, the development of robust VP…

2026

Event-LAB: Towards Standardized Evaluation of Neuromorphic Localization Methods

ICRA 2026poster

Event-based localization research and datasets are a rapidly growing area of interest, with a tenfold increase in the cumulative total number of published papers on this topic over the past 10 years. Whilst the rapid expansion in the field is exciting, it brings with it an associated challenge: a gr…

2026

Prepare for Warp Speed: Sub-Millisecond Visual Place Recognition Using Event Cameras

ICRA 2026poster

Visual Place Recognition (VPR) enables systems to identify previously visited locations within a map, a fundamental task for autonomous navigation. Prior works have developed VPR solutions using event cameras, which asynchronously measure per-pixel brightness changes with microsecond temporal resolu…

2025

A Hyperdimensional One Place Signature to Represent Them All: Stackable Descriptors For Visual Place Recognition

ICCV 2025poster

Visual Place Recognition (VPR) enables coarse localization by comparing query images to a reference database of geo-tagged images. Recent breakthroughs in deep learning architectures and training regimes have led to methods with improved robustness to factors like environment appearance change, but…

2025

FlowR: Flowing from Sparse to Dense 3D Reconstructions

ICCV 2025poster

3D Gaussian splatting enables high-quality novel view synthesis (NVS) at real-time frame rates. However, its quality drops sharply as we depart from the training views. Thus, dense captures are needed to match the high-quality expectations of applications like Virtual Reality (VR). However, such den…

Cited by 0SourcePDFScholar
2025

Image-Based Relocalization and Alignment for Long-Term Monitoring of Dynamic Underwater Environments

IROS 2025

Effective monitoring of underwater ecosystems is crucial for tracking environmental changes, guiding conservation efforts, and ensuring long-term ecosystem health. However, automating underwater ecosystem management with robotic platforms remains challenging due to the complexities of underwater ima

Cited by 3SourcecodeScholar
2025

Improving Visual Place Recognition with Sequence-Matching Receptiveness Prediction

IROS 2025

In visual place recognition (VPR), filtering and sequence-based matching approaches can improve performance by integrating temporal information across image sequences, especially in challenging conditions. While these methods are commonly applied, their effects on system behavior can be unpredictabl

Cited by 2SourceScholar
2025

Matched Filtering Based LiDAR Place Recognition for Urban and Natural Environments

RA-L 2025

Place recognition is an important task within autonomous navigation, involving the re-identification of previously visited locations from an initial traverse. Unlike visual place recognition (VPR), LiDAR place recognition (LPR) is tolerant to changes in lighting, seasons, and textures, leading to hi

Cited by 2SourceScholar
2025

RMMI: Reactive Mobile Manipulation using an Implicit Neural Map

IROS 2025

Mobile manipulator robots operating in complex domestic and industrial environments must effectively coordinate their base and arm motions while avoiding obstacles. While current reactive control methods gracefully achieve this coordination, they rely on simplified and idealised geometric representa

Cited by 4SourcecodeScholar
2025

ROS2WASM: Bringing the Robot Operating System to the Web

ICRA 2025

The Robot Operating System (ROS) has become the de facto standard middleware in robotics, widely adopted across domains ranging from education to industrial applications. The RoboStack distribution, a conda-based packaging system for ROS, has extended ROS's accessibility by facilitating installation

Cited by 1SourceScholar
2025

VSLAM-LAB: A Comprehensive Framework for Visual SLAM Methods and Datasets

IROS 2025

Visual Simultaneous Localization and Mapping (VSLAM) research faces significant challenges due to fragmented toolchains, complex system configurations, and inconsistent evaluation methodologies. To address these issues, we present VSLAM-LAB, a unified framework designed to streamline the development

Cited by 4SourcecodeScholar
2024

CR3DT: Camera-RADAR Fusion for 3D Detection and Tracking

IROS 2024poster

To enable self-driving vehicles accurate detection and tracking of surrounding objects is essential. While Light Detection and Ranging (LiDAR) sensors have set the benchmark for high-performance systems, the appeal of camera-only solutions lies in their cost-effectiveness. Notably, despite the preva…

Cited by 11SourcecodeScholar
2024

Dynamic 3D Gaussian Fields for Urban Areas

NeurIPS 2024spotlight

We present an efficient neural 3D scene representation for novel-view synthesis (NVS) in large-scale, dynamic urban areas. Existing works are not well suited for applications like mixed-reality or closed-loop simulation due to their limited visual quality and non-interactive rendering speeds. Recent…

Cited by 14SourcePDFScholar
2024

Enhancing Visual Place Recognition via Fast and Slow Adaptive Biasing in Event Cameras

IROS 2024poster

Event cameras are increasingly popular in robotics due to beneficial features such as low latency, energy efficiency, and high dynamic range. Nevertheless, their downstream task performance is greatly influenced by the optimization of bias parameters. These parameters, for instance, regulate the nec…

Cited by 2SourcecodeScholar
2024

Know Your Neighbors: Improving Single-View Reconstruction via Spatial Vision-Language Reasoning

CVPR 2024poster

Recovering the 3D scene geometry from a single view is a fundamental yet ill-posed problem in computer vision. While classical depth estimation methods infer only a 2.5D scene representation limited to the image plane recent approaches based on radiance fields reconstruct a full 3D representation. H…

2024

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

ECCV 2024poster

"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 current UDA methods show inferior results on fine structures and tend to oversegment objects with ambiguous appearance.…

2024

Multi-Level Neural Scene Graphs for Dynamic Urban Environments

CVPR 2024poster

We estimate the radiance field of large-scale dynamic areas from multiple vehicle captures under varying environmental conditions. Previous works in this domain are either restricted to static environments do not scale to more than a single short video or struggle to separately represent dynamic obj…

Cited by 10SourcePDFScholar
2024

VPRTempo: A Fast Temporally Encoded Spiking Neural Network for Visual Place Recognition

ICRA 2024poster

Spiking Neural Networks (SNNs) are at the forefront of neuromorphic computing thanks to their potential energy-efficiency, low latencies, and capacity for continual learning. While these capabilities are well suited for robotics tasks, SNNs have seen limited adaptation in this field thus far. This w…

Cited by 8SourcecodeScholar
2023

Boosting Performance of a Baseline Visual Place Recognition Technique by Predicting the Maximally Complementary Technique

ICRA 2023poster

One recent promising approach to the Visual Place Recognition (VPR) problem has been to fuse the place recognition estimates of multiple complementary VPR techniques using methods such as shared representative appearance learning (SRAL) and multi-process fusion. These approaches come with a substant…

Cited by 9SourceScholar
2023

Ensembles of Compact, Region-specific & Regularized Spiking Neural Networks for Scalable Place Recognition

ICRA 2023poster

Spiking neural networks have significant potential utility in robotics due to their high energy efficiency on specialized hardware, but proof-of-concept implementations have not yet typically achieved competitive performance or capability with conventional approaches. In this paper, we tackle one of…

Cited by 12SourcecodeScholar
2023

OVTrack: Open-Vocabulary Multiple Object Tracking

CVPR 2023poster

The ability to recognize, localize and track dynamic objects in a scene is fundamental to many real-world applications, such as self-driving and robotic systems. Yet, traditional multiple object tracking (MOT) benchmarks rely only on a few object categories that hardly represent the multitude of pos…

Cited by 66SourcePDFScholar
2023

R3D3: Dense 3D Reconstruction of Dynamic Scenes from Multiple Cameras

ICCV 2023poster

Dense 3D reconstruction and ego-motion estimation are key challenges in autonomous driving and robotics. Compared to the complex, multi-modal systems deployed today, multi-camera systems provide a simpler, low-cost alternative. However, camera-based 3D reconstruction of complex dynamic scenes has pr…

Cited by 30PDFScholar
2023

SAFE: Sensitivity-Aware Features for Out-of-Distribution Object Detection

ICCV 2023poster

We address the problem of out-of-distribution (OOD) detection for the task of object detection. We show that residual convolutional layers with batch normalisation produce Sensitivity-Aware FEatures (SAFE) that are consistently powerful for distinguishing in-distribution from out-of-distribution det…

Cited by 37PDFcodeScholar
2023

Trajectory Tracking via Multiscale Continuous Attractor Networks

IROS 2023poster

Animals and insects showcase remarkably robust and adept navigational abilities, up to literally circumnavigating the globe. Primary progress in robotics inspired by these natural systems has occurred in two areas: highly theoretical computational neuroscience models, and handcrafted systems like Ra…

Cited by 1SourcecodeScholar
2022

CC-3DT: Panoramic 3D Object Tracking via Cross-Camera Fusion

CoRL 2022poster

To track the 3D locations and trajectories of the other traffic participants at any given time, modern autonomous vehicles are equipped with multiple cameras that cover the vehicle's full surroundings. Yet, camera-based 3D object tracking methods prioritize optimizing the single-camera setup and res…

Cited by 32SourceScholar
2022

How Many Events Do You Need? Event-Based Visual Place Recognition Using Sparse But Varying Pixels

RA-L 2022

Event cameras continue to attract interest due to desirable characteristics such as high dynamic range, low latency, virtually no motion blur, and high energy efficiency. One of the potential applications that would benefit from these characteristics lies in visual place recognition for robot locali

Cited by 28SourcecodeScholar
2022

Point Label Aware Superpixels for Multi-Species Segmentation of Underwater Imagery

RA-L 2022

Monitoring coral reefs using underwater vehicles increases the range of marine surveys and availability of historical ecological data by collecting significant quantities of images. Analysis of this imagery can be automated using a model trained to perform semantic segmentation, however it is too co

Cited by 24SourceScholar
2022

Spiking Neural Networks for Visual Place Recognition Via Weighted Neuronal Assignments

RA-L 2022

Spiking neural networks (SNNs) offer both compelling potential advantages, including energy efficiency and low latencies and challenges including the non-differentiable nature of event spikes. Much of the initial research in this area has converted deep neural networks to equivalent SNNs, but this c

Cited by 29SourcecodeScholar
2021

Intelligent Reference Curation for Visual Place Recognition Via Bayesian Selective Fusion

RA-L 2021

A key challenge in visual place recognition (VPR) is recognizing places despite drastic visual appearance changes due to factors such as time of day, season, weather or lighting conditions. Numerous approaches based on deep-learnt image descriptors, sequence matching, domain translation, and probabi

Cited by 18SourceScholar
2021

Patch-NetVLAD: Multi-Scale Fusion of Locally-Global Descriptors for Place Recognition

CVPR 2021poster

Visual Place Recognition is a challenging task for robotics and autonomous systems, which must deal with the twin problems of appearance and viewpoint change in an always changing world. This paper introduces Patch-NetVLAD, which provides a novel formulation for combining the advantages of both loca…

Cited by 463PDFcodeScholar
2021

Probabilistic Appearance-Invariant Topometric Localization With New Place Awareness

RA-L 2021

Probabilistic state-estimation approaches offer a principled foundation for designing localization systems, because they naturally integrate sequences of imperfect motion and exteroceptive sensor data. Recently, probabilistic localization systems utilizing appearance-invariant visual place recogniti

Cited by 10SourcecodeScholar
2018

Context-Aware Deep Feature Compression for High-Speed Visual Tracking

CVPR 2018poster

We propose a new context-aware correlation filter based tracking framework to achieve both high computational speed and state-of-the-art performance among real-time trackers. The major contribution to the high computational speed lies in the proposed deep feature compression that is achieved by a co…

2018

RT-GENE: Real-Time Eye Gaze Estimation in Natural Environments

ECCV 2018poster

In this work, we consider the problem of robust gaze estimation in natural environments. Large camera-to-subject distances and high variations in head pose and eye gaze angles are common in such environments. This leads to two main shortfalls in state-of-the-art methods for gaze estimation: hindered…

Cited by 423SourcePDFScholar
2018

Transferring Visuomotor Learning from Simulation to the Real World for Robotics Manipulation Tasks

IROS 2018poster

Hand-eye coordination is a requirement for many manipulation tasks including grasping and reaching. However, accurate hand-eye coordination has shown to be especially difficult to achieve in complex robots like the iCub humanoid. In this work, we solve the hand-eye coordination task using a visuomot…

Cited by 19SourceScholar
2017

Attentional Correlation Filter Network for Adaptive Visual Tracking

CVPR 2017poster

We propose a new tracking framework with an attentional mechanism that chooses a subset of the associated correlation filters for increased robustness and computational efficiency. The subset of filters is adaptively selected by a deep attentional network according to the dynamic properties of the t…

Cited by 388PDFScholar
2016

Kinematic Structure Correspondences via Hypergraph Matching

CVPR 2016poster

In this paper, we present a novel framework for finding the kinematic structure correspondence between two objects in videos via hypergraph matching. In contrast to prior appearance and graph alignment based matching methods which have been applied among two similar static images, the proposed metho…

Cited by 17PDFScholar