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Related papers: Lidar Panoptic Segmentation in an Open World

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In this paper, we present and study a new image segmentation task, called Generalized Open-set Semantic Segmentation (GOSS). Previously, with the well-known open-set semantic segmentation (OSS), the intelligent agent only detects the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Jie Hong , Weihao Li , Junlin Han , Jiyang Zheng , Pengfei Fang , Mehrtash Harandi , Lars Petersson

Autonomous driving vehicles and robotic systems rely on accurate perception of their surroundings. Scene understanding is one of the crucial components of perception modules. Among all available sensors, LiDARs are one of the essential…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Ryan Razani , Ran Cheng , Ehsan Taghavi , Liu Bingbing

Existing state-of-the-art 3D point clouds understanding methods only perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework which simultaneously solves the downstream high-level…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Kangcheng Liu

Panoptic segmentation, which needs to assign a category label to each pixel and segment each object instance simultaneously, is a challenging topic. Traditionally, the existing approaches utilize two independent models without sharing…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Huanyu Liu , Chao Peng , Changqian Yu , Jingbo Wang , Xu Liu , Gang Yu , Wei Jiang

Accurate 3D object detection in LiDAR point clouds is crucial for autonomous driving systems. To achieve state-of-the-art performance, the supervised training of detectors requires large amounts of human-annotated data, which is expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Christian Fruhwirth-Reisinger , Wei Lin , Dušan Malić , Horst Bischof , Horst Possegger

Classical close-set semantic segmentation networks have limited ability to detect out-of-distribution (OOD) objects, which is important for safety-critical applications such as autonomous driving. Incrementally learning these OOD objects…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Jun Cen , Peng Yun , Junhao Cai , Michael Yu Wang , Ming Liu

Segmenting and recognizing diverse object parts is a crucial ability in applications spanning various computer vision and robotic tasks. While significant progress has been made in object-level Open-Vocabulary Semantic Segmentation (OVSS),…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Meng Wei , Xiaoyu Yue , Wenwei Zhang , Shu Kong , Xihui Liu , Jiangmiao Pang

Semantic segmentation and instance level segmentation made substantial progress in recent years due to the emergence of deep neural networks (DNNs). A number of deep architectures with Convolution Neural Networks (CNNs) were proposed that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Pulak Purkait , Christopher Zach , Ian Reid

Progress on object detection is enabled by datasets that focus the research community's attention on open challenges. This process led us from simple images to complex scenes and from bounding boxes to segmentation masks. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Agrim Gupta , Piotr Dollár , Ross Girshick

LiDAR-based 3D object detection and semantic segmentation are critical tasks in 3D scene understanding. Traditional detection and segmentation methods supervise their models through bounding box labels and semantic mask labels. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Maoji Zheng , Ziyu Xu , Qiming Xia , Hai Wu , Chenglu Wen , Cheng Wang

Accurate and fast scene understanding is one of the challenging task for autonomous driving, which requires to take full advantage of LiDAR point clouds for semantic segmentation. In this paper, we present a \textbf{concise} and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Hui-Xian Cheng , Xian-Feng Han , Guo-Qiang Xiao

Different types of liquids such as water, wine and medicine appear in all aspects of daily life. However, limited attention has been given to the task, hindering the ability of robots to avoid or interact with liquids safely. The…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Jonas Li , Michelle Li , Luke Liu , Heng Fan

LiDAR panoptic segmentation, which jointly performs instance and semantic segmentation for things and stuff classes, plays a fundamental role in LiDAR perception tasks. While most existing methods explicitly separate these two segmentation…

Computer Vision and Pattern Recognition · Computer Science 2024-08-29 Yu Yang , Jianbiao Mei , Liang Liu , Siliang Du , Yilin Xiao , Jongwon Ra , Yong Liu , Xiao Xu , Huifeng Wu

In this paper, we consider the problem of open-vocabulary semantic segmentation (OVS), which aims to segment objects of arbitrary classes instead of pre-defined, closed-set categories. The main contributions are as follows: First, we…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Jilan Xu , Junlin Hou , Yuejie Zhang , Rui Feng , Yi Wang , Yu Qiao , Weidi Xie

While 3D instance segmentation (3DIS) has advanced significantly, most existing methods assume that all object classes are known in advance and uniformly distributed. However, this assumption is unrealistic in dynamic, real-world…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Vishal Thengane , Jean Lahoud , Hisham Cholakkal , Rao Muhammad Anwer , Lu Yin , Xiatian Zhu , Salman Khan

Open-world instance segmentation is a rising task, which aims to segment all objects in the image by learning from a limited number of base-category objects. This task is challenging, as the number of unseen categories could be hundreds of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Jiannan Wu , Yi Jiang , Bin Yan , Huchuan Lu , Zehuan Yuan , Ping Luo

This paper introduces a new Urban Point Cloud Dataset for Automatic Segmentation and Classification acquired by Mobile Laser Scanning (MLS). We describe how the dataset is obtained from acquisition to post-processing and labeling. This…

Machine Learning · Computer Science 2018-04-11 Xavier Roynard , Jean-Emmanuel Deschaud , François Goulette

In this paper, we introduce Semantic Layering in Room Segmentation via LLMs (SeLRoS), an advanced method for semantic room segmentation by integrating Large Language Models (LLMs) with traditional 2D map-based segmentation. Unlike previous…

Robotics · Computer Science 2024-03-20 Taehyeon Kim , Byung-Cheol Min

Instance segmentation on 3D point clouds is one of the most extensively researched areas toward the realization of autonomous cars and robots. Certain existing studies have split input point clouds into small regions such as 1m x 1m; one…

Machine Learning · Computer Science 2019-09-30 Kosuke Arase , Yusuke Mukuta , Tatsuya Harada

Humans are able to recognize structured relations in observation, allowing us to decompose complex scenes into simpler parts and abstract the visual world in multiple levels. However, such hierarchical reasoning ability of human perception…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Liulei Li , Tianfei Zhou , Wenguan Wang , Jianwu Li , Yi Yang
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