Search Results for author: Karel Zimmermann

Found 7 papers, 3 papers with code

Let It Flow: Simultaneous Optimization of 3D Flow and Object Clustering

no code implementations12 Apr 2024 Patrik Vacek, David Hurych, Tomáš Svoboda, Karel Zimmermann

We identified the structural constraints and the use of large and strict rigid clusters as the main pitfall of the current approaches and we propose a novel clustering approach that allows for combination of overlapping soft clusters as well as non-overlapping rigid clusters representation.

Clustering Instance Segmentation +3

Regularizing Self-supervised 3D Scene Flows with Surface Awareness and Cyclic Consistency

1 code implementation12 Dec 2023 Patrik Vacek, David Hurych, Karel Zimmermann, Patrick Perez, Tomas Svoboda

Learning without supervision how to predict 3D scene flows from point clouds is essential to many perception systems.

Scene Flow Estimation

T-UDA: Temporal Unsupervised Domain Adaptation in Sequential Point Clouds

1 code implementation15 Sep 2023 Awet Haileslassie Gebrehiwot, David Hurych, Karel Zimmermann, Patrick Pérez, Tomáš Svoboda

Deep perception models have to reliably cope with an open-world setting of domain shifts induced by different geographic regions, sensor properties, mounting positions, and several other reasons.

3D Semantic Segmentation Unsupervised Domain Adaptation

Similarity among the 2D-shapes and the analysis of dissimilarity scores

no code implementations9 Nov 2022 Karel Zimmermann

We present a conceptually simple and intuitive method to calculate and to measure the dissimilarities among 2D shapes.

Teachers in concordance for pseudo-labeling of 3D sequential data

1 code implementation13 Jul 2022 Awet Haileslassie Gebrehiwot, Patrik Vacek, David Hurych, Karel Zimmermann, Patrick Perez, Tomáš Svoboda

We propose to leverage sequences of point clouds to boost the pseudolabeling technique in a teacher-student setup via training multiple teachers, each with access to different temporal information.

3D Object Detection 3D Semantic Segmentation +3

Learning for Active 3D Mapping

no code implementations ICCV 2017 Karel Zimmermann, Tomas Petricek, Vojtech Salansky, Tomas Svoboda

We propose an active 3D mapping method for depth sensors, which allow individual control of depth-measuring rays, such as the newly emerging solid-state lidars.

POS

Controlling Robot Morphology from Incomplete Measurements

no code implementations8 Dec 2016 Martin Pecka, Karel Zimmermann, Michal Reinštein, Tomáš Svoboda

Mobile robots with complex morphology are essential for traversing rough terrains in Urban Search & Rescue missions (USAR).

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