collaborators

12 papers

cs.CV2026

Bar-JEPA: Extracting Values from Bar Chart with Joint-Embedding Predictive Architecture

Poonam Poonam, Alexander Epple, Timo Ropinski

Bar charts are commonly used in data visualization, and while they are easily understood by humans, it is non-trivial to extract the underlying data computationally. For a machine-…

cs.CV2026

PaCoNet: Deep Data Extraction for Parallel Coordinates

Poonam Poonam, Hannah Kniesel, Pere-Pau Vázquez +1

Extracting data from visualizations has long challenged computer vision, with current research focused on bar, line, and pie charts, among other low-dimensional visualizations. How…

cs.CV2026

Unified Semantic Transformer for 3D Scene Understanding

Sebastian Koch, Johanna Wald, Hidenobu Matsuki +3

Holistic 3D scene understanding involves capturing and parsing unstructured 3D environments. Due to the inherent complexity of the real world, existing models have predominantly be…

cs.CV2026

Evaluating Graphical Perception Capabilities of Vision Transformers

Poonam Poonam, Pere-Pau Vázquez, Timo Ropinski

Vision Transformers, ViTs, have emerged as a powerful alternative to convolutional neural networks, CNNs, in a variety of image-based tasks. While CNNs have previously been evaluat…

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

OpenHype: Hyperbolic Embeddings for Hierarchical Open-Vocabulary Radiance Fields

Lisa Weijler, Sebastian Koch, Fabio Poiesi +2

Modeling the inherent hierarchical structure of 3D objects and 3D scenes is highly desirable, as it enables a more holistic understanding of environments for autonomous agents. Acc…