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Related papers: CPSeg: Cluster-free Panoptic Segmentation of 3D Li…

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A 3D point cloud describes the real scene precisely and intuitively.To date how to segment diversified elements in such an informative 3D scene is rarely discussed. In this paper, we first introduce a simple and flexible framework to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Xinlong Wang , Shu Liu , Xiaoyong Shen , Chunhua Shen , Jiaya Jia

Diffusion Probabilistic Models (DPMs) suffer from inefficient inference due to their slow sampling and high memory consumption, which limits their applicability to various medical imaging applications. In this work, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Fahim Ahmed Zaman , Mathews Jacob , Amanda Chang , Kan Liu , Milan Sonka , Xiaodong Wu

In this paper, we introduce a novel network that generates semantic, instance, and part segmentation using a shared encoder and effectively fuses them to achieve panoptic-part segmentation. Unifying these three segmentation problems allows…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Sravan Kumar Jagadeesh , René Schuster , Didier Stricker

Distribution-to-Distribution (D2D) point cloud registration algorithms are fast, interpretable, and perform well in unstructured environments. Unfortunately, existing strategies for predicting solution error for these methods are overly…

Robotics · Computer Science 2024-10-02 Matthew McDermott , Jason Rife

Recently, progress in acquisition equipment such as LiDAR sensors has enabled sensing increasingly spacious outdoor 3D environments. Making sense of such 3D acquisitions requires fine-grained scene understanding, such as constructing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Cedric Perauer , Laurenz Adrian Heidrich , Haifan Zhang , Matthias Nießner , Anastasiia Kornilova , Alexey Artemov

Semantic segmentation is a fundamental task in computer vision that involves dense pixel-wise classification for scene understanding. Despite significant progress, achieving high accuracy while maintaining real-time performance remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Abhinav Sagar

Computer vision techniques play a central role in the perception stack of autonomous vehicles. Such methods are employed to perceive the vehicle surroundings given sensor data. 3D LiDAR sensors are commonly used to collect sparse 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Lucas Nunes , Rodrigo Marcuzzi , Benedikt Mersch , Jens Behley , Cyrill Stachniss

LiDAR is an important method for autonomous driving systems to sense the environment. The point clouds obtained by LiDAR typically exhibit sparse and irregular distribution, thus posing great challenges to the detection of 3D objects,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Tai Wang , Xinge Zhu , Dahua Lin

In this paper we introduce a novel way to predict semantic information from sparse, single-shot LiDAR measurements in the context of autonomous driving. In particular, we fuse learned features from complementary representations. The…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Frank Bieder , Maximilian Link , Simon Romanski , Haohao Hu , Christoph Stiller

Recently, there has been a panoptic segmentation task combining semantic and instance segmentation, in which the goal is to classify each pixel with the corresponding instance ID. In this work, we propose a solution to tackle the panoptic…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Shuo-En Chang , Yi-Cheng Yang , En-Ting Lin , Pei-Yung Hsiao , Li-Chen Fu

In this work, we present an end-to-end network for fast panoptic segmentation. This network, called Fast Panoptic Segmentation Network (FPSNet), does not require computationally costly instance mask predictions or merging heuristics. This…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 Daan de Geus , Panagiotis Meletis , Gijs Dubbelman

This work investigates learning pixel-wise semantic image segmentation in urban scenes without any manual annotation, just from the raw non-curated data collected by cars which, equipped with cameras and LiDAR sensors, drive around a city.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Antonin Vobecky , David Hurych , Oriane Siméoni , Spyros Gidaris , Andrei Bursuc , Patrick Pérez , Josef Sivic

LiDAR sensors are an integral part of modern autonomous vehicles as they provide an accurate, high-resolution 3D representation of the vehicle's surroundings. However, it is computationally difficult to make use of the ever-increasing…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Marc Uecker , Tobias Fleck , Marcel Pflugfelder , J. Marius Zöllner

This paper introduces VolMap, a real-time approach for the semantic segmentation of a 3D LiDAR surrounding view system in autonomous vehicles. We designed an optimized deep convolution neural network that can accurately segment the point…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Hager Radi , Waleed Ali

Dense panoptic prediction is a key ingredient in many existing applications such as autonomous driving, automated warehouses or remote sensing. Many of these applications require fast inference over large input resolutions on affordable or…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Josip Šarić , Marin Oršić , Siniša Šegvić

Recently, the advancement of deep learning in discriminative feature learning from 3D LiDAR data has led to rapid development in the field of autonomous driving. However, automated processing uneven, unstructured, noisy, and massive 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Ying Li , Lingfei Ma , Zilong Zhong , Fei Liu , Dongpu Cao , Jonathan Li , Michael A. Chapman

LiDAR perception is fundamental to robotics, enabling machines to understand their environment in 3D. A crucial task for LiDAR-based scene understanding and navigation is ground segmentation. However, existing methods are either handcrafted…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Ted Lentsch , Santiago Montiel-Marín , Holger Caesar , Dariu M. Gavrila

Many point-based semantic segmentation methods have been designed for indoor scenarios, but they struggle if they are applied to point clouds that are captured by a LiDAR sensor in an outdoor environment. In order to make these methods more…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Shijie Li , Yun Liu , Juergen Gall

Vision-centric occupancy networks, which represent the surrounding environment with uniform voxels with semantics, have become a new trend for safe driving of camera-only autonomous driving perception systems, as they are able to detect…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Yining Shi , Jiusi Li , Kun Jiang , Ke Wang , Yunlong Wang , Mengmeng Yang , Diange Yang

We propose a novel filter for segmenting the regions of interest from LiDAR 3D point cloud for multirotor aerial vehicles. It is specially targeted for real-time applications and works on sparse LiDAR point clouds without preliminary…

Robotics · Computer Science 2020-10-12 Geesara Prathap , Roman Fedorenko , Alexandr Klimchik
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