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Semantic image segmentation plays a pivotal role in many vision applications including autonomous driving and medical image analysis. Most of the former approaches move towards enhancing the performance in terms of accuracy with a little…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Taha Emara , Hossam E. Abd El Munim , Hazem M. Abbas

Models for semantic segmentation require a large amount of hand-labeled training data which is costly and time-consuming to produce. For this purpose, we present a label fusion framework that is capable of improving semantic pixel labels of…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Florian Fervers , Timo Breuer , Gregor Stachowiak , Sebastian Bullinger , Christoph Bodensteiner , Michael Arens

Panoptic segmentation of point clouds is a crucial task that enables autonomous vehicles to comprehend their vicinity using their highly accurate and reliable LiDAR sensors. Existing top-down approaches tackle this problem by either…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Kshitij Sirohi , Rohit Mohan , Daniel Büscher , Wolfram Burgard , Abhinav Valada

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

In recent years, the concept of artificial intelligence (AI) has become a prominent keyword because it is promising in solving complex tasks. The need for human expertise in specific areas may no longer be needed because machines have…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Ehsan Rassekh

The escalating use of Unmanned Aerial Vehicles (UAVs) as remote sensing platforms has garnered considerable attention, proving invaluable for ground object recognition. While satellite remote sensing images face limitations in resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Vlatko Spasev , Ivica Dimitrovski , Ivan Chorbev , Ivan Kitanovski

Training deep models for LiDAR semantic segmentation is challenging due to the inherent sparsity of point clouds. Utilizing temporal data is a natural remedy against the sparsity problem as it makes the input signal denser. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xiaopei Wu , Yuenan Hou , Xiaoshui Huang , Binbin Lin , Tong He , Xinge Zhu , Yuexin Ma , Boxi Wu , Haifeng Liu , Deng Cai , Wanli Ouyang

This work investigates the use of deep fully convolutional neural networks (DFCNN) for pixel-wise scene labeling of Earth Observation images. Especially, we train a variant of the SegNet architecture on remote sensing data over an urban…

Computer Vision and Pattern Recognition · Computer Science 2016-09-23 Nicolas Audebert , Bertrand Le Saux , Sébastien Lefèvre

Moving object segmentation (MOS) is a task to distinguish moving objects, e.g., moving vehicles and pedestrians, from the surrounding static environment. The segmentation accuracy of MOS can have an influence on odometry, map construction,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Shuo Gu , Suling Yao , Jian Yang , Hui Kong

This paper presents an approach for applying camera perception techniques to spinning LiDAR data. To improve the robustness of long-term change detection from a 3D LiDAR, range and intensity information are rendered into virtual…

Robotics · Computer Science 2024-05-01 Alexander Krawciw , Sven Lilge , Timothy D. Barfoot

Range-View(RV)-based 3D point cloud segmentation is widely adopted due to its compact data form. However, RV-based methods fall short in providing robust segmentation for the occluded points and suffer from distortion of projected RGB…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Shiqi Tan , Hamidreza Fazlali , Yixuan Xu , Yuan Ren , Bingbing Liu

Despite its importance, unsupervised domain adaptation (UDA) on LiDAR semantic segmentation is a task that has not received much attention from the research community. Only recently, a completion-based 3D method has been proposed to tackle…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Eojindl Yi , Juyoung Yang , Junmo Kim

Semantic grids are a useful representation of the environment around a robot. They can be used in autonomous vehicles to concisely represent the scene around the car, capturing vital information for downstream tasks like navigation or…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Manuel Alejandro Diaz-Zapata , Özgür Erkent , Christian Laugier , Jilles Dibangoye , David Sierra González

Whilst the availability of 3D LiDAR point cloud data has significantly grown in recent years, annotation remains expensive and time-consuming, leading to a demand for semi-supervised semantic segmentation methods with application domains…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Li Li , Hubert P. H. Shum , Toby P. Breckon

Multi-sensor fusion in autonomous vehicles is becoming more common to offer a more robust alternative for several perception tasks. This need arises from the unique contribution of each sensor in collecting data: camera-radar fusion offers…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Ruan Bispo , Tim Brophy , Reenu Mohandas , Anthony Scanlan , Ciarán Eising

This paper presents a framework for semantic segmentation on sparse sequential point clouds of millimeter-wave radar. Compared with cameras and lidars, millimeter-wave radars have the advantage of not revealing privacy, having a strong…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Pengfei Song , Luoyu Mei , Han Cheng

Environmental perception systems are crucial for high-precision mapping and autonomous navigation, with LiDAR serving as a core sensor providing accurate 3D point cloud data. Efficiently processing unstructured point clouds while extracting…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Chuang Chen , Yi Lin , Bo Wang , Jing Hu , Xi Wu , Wenyi Ge

3D object detection using LiDAR data is an indispensable component for autonomous driving systems. Yet, only a few LiDAR-based 3D object detection methods leverage segmentation information to further guide the detection process. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Hamidreza Fazlali , Yixuan Xu , Yuan Ren , Bingbing Liu

We present FasterSeg, an automatically designed semantic segmentation network with not only state-of-the-art performance but also faster speed than current methods. Utilizing neural architecture search (NAS), FasterSeg is discovered from a…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Wuyang Chen , Xinyu Gong , Xianming Liu , Qian Zhang , Yuan Li , Zhangyang Wang

Semantic segmentation is a process of partitioning an image into multiple segments for recognizing humans and objects, which can be widely applied in scenarios such as healthcare and safety monitoring. To avoid privacy violation, using RF…

Signal Processing · Electrical Eng. & Systems 2021-10-07 Jingzhi Hu , Hongliang Zhang , Kaigui Bian , Zhu Han , H. Vincent Poor , Lingyang Song