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Related papers: LiDAR-based Recurrent 3D Semantic Segmentation wit…

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The development and progress in sensor, communication and computing technologies have led to data rich environments. In such environments, data can easily be acquired not only from the monitored entities but also from the surroundings where…

Machine Learning · Computer Science 2023-01-13 Rashmi Dutta Baruah , Mario Muñoz Organero

Effective aggregation of temporal information of consecutive frames is the core of achieving video super-resolution. Many scholars have utilized structures such as sliding windows and recurrent to gather spatio-temporal information of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Yonggui Zhu , Guofang Li

With the rapid progress of deep convolutional neural networks, in almost all robotic applications, the availability of 3D point clouds improves the accuracy of 3D semantic segmentation methods. Rendering of these irregular, unstructured,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Mobina Mahdavi , Fahimeh Fooladgar , Shohreh Kasaei

Video semantic segmentation requires to utilize the complex temporal relations between frames of the video sequence. Previous works usually exploit accurate optical flow to leverage the temporal relations, which suffer much from heavy…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Wang , Weining Wang , Jing Liu

Semantic segmentation of 3D LiDAR data plays a pivotal role in autonomous driving. Traditional approaches rely on extensive annotated data for point cloud analysis, incurring high costs and time investments. In contrast, realworld image…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Jialiang Kang , Jiawen Wang , Dingsheng Luo

A main bottleneck of learning-based robotic scene understanding methods is the heavy reliance on extensive annotated training data, which often limits their generalization ability. In LiDAR panoptic segmentation, this challenge becomes even…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Ahmet Selim Çanakçı , Niclas Vödisch , Kürsat Petek , Wolfram Burgard , Abhinav Valada

This paper explores the potential for performing temporal semantic segmentation in the context of agricultural robotics without temporally labelled data. We achieve this by proposing to generate virtual temporal samples from labelled still…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Alireza Ahmadi , Michael Halstead , Chris McCool

Recurrent neural networks (RNNs) were designed for dealing with time-series data and have recently been used for creating predictive models from functional magnetic resonance imaging (fMRI) data. However, gathering large fMRI datasets for…

Image and Video Processing · Electrical Eng. & Systems 2019-10-16 Nicha C. Dvornek , Xiaoxiao Li , Juntang Zhuang , James S. Duncan

Real-time 3D object detection from point clouds is essential for dynamic scene understanding in applications such as augmented reality, robotics and navigation. We introduce a novel Spatial-prioritized and Rank-aware 3D object detection…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Chenyu Zhao , Xianwei Zheng , Zimin Xia , Linwei Yue , Nan Xue

Point cloud segmentation is central to autonomous driving and 3D scene understanding. While voxel- and point-based methods dominate recent research due to their compatibility with deep architectures and ability to capture fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Paul Julius Kühn , Duc Anh Nguyen , Arjan Kuijper , Saptarshi Neil Sinha

Learning-based, single-view depth estimation often generalizes poorly to unseen datasets. While learning-based, two-frame depth estimation solves this problem to some extent by learning to match features across frames, it performs poorly at…

Computer Vision and Pattern Recognition · Computer Science 2018-05-18 Rui Wang , Jan-Michael Frahm , Stephen M. Pizer

Weakly supervised point cloud semantic segmentation methods that require 1\% or fewer labels, hoping to realize almost the same performance as fully supervised approaches, which recently, have attracted extensive research attention. A…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Tianfang Sun , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie , Lizhuang Ma

The comprehensive representation and understanding of the driving environment is crucial to improve the safety and reliability of autonomous vehicles. In this paper, we present a new approach to establish an environment model containing a…

Robotics · Computer Science 2018-05-24 Nico Engel , Stefan Hoermann , Philipp Henzler , Klaus Dietmayer

Localization on 3D data is a challenging task for unmanned vehicles, especially in long-term dynamic urban scenarios. Due to the generality and long-term stability, the pole-like objects are very suitable as landmarks for unmanned vehicle…

Robotics · Computer Science 2021-03-30 Zhihao Wang , Silin Li , Ming Cao , Haoyao Chen , Yunhui Liu

Localization is an essential task for mobile autonomous robotic systems that want to use pre-existing maps or create new ones in the context of SLAM. Today, many robotic platforms are equipped with high-accuracy 3D LiDAR sensors, which…

The brain is dynamic, associative and efficient. It reconfigures by associating the inputs with past experiences, with fused memory and processing. In contrast, AI models are static, unable to associate inputs with past experiences, and run…

3D panoptic segmentation is a challenging perception task that requires both semantic segmentation and instance segmentation. In this task, we notice that images could provide rich texture, color, and discriminative information, which can…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Zhiwei Zhang , Zhizhong Zhang , Qian Yu , Ran Yi , Yuan Xie , Lizhuang Ma

Indoor environments evolve as objects move, appear, or leave the scene. Capturing these dynamics requires maintaining temporally consistent instance identities across intermittently captured 3D scans, even when changes are unobserved. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Emily Steiner , Jianhao Zheng , Henry Howard-Jenkins , Chris Xie , Iro Armeni

We present a neural radiance field method for urban-scale semantic and building-level instance segmentation from aerial images by lifting noisy 2D labels to 3D. This is a challenging problem due to two primary reasons. Firstly, objects in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yuqi Zhang , Guanying Chen , Jiaxing Chen , Shuguang Cui

The use of 2D laser scanners is attractive for the autonomous driving industry because of its accuracy, light-weight and low-cost. However, since only a 2D slice of the surrounding environment is detected at each scan, it is a challenge to…

Robotics · Computer Science 2019-02-25 Michelle Valente , Cyril Joly , Arnaud de La Fortelle
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