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Related papers: Interactive Object Segmentation in 3D Point Clouds

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Classification and segmentation of 3D point clouds are important tasks in computer vision. Because of the irregular nature of point clouds, most of the existing methods convert point clouds into regular 3D voxel grids before they are used…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Wei Zeng , Theo Gevers

We propose a deep learning-based framework for instance-level object segmentation. Our method mainly consists of three steps. First, We train a generic model based on ResNet-101 for foreground/background segmentations. Second, based on this…

Computer Vision and Pattern Recognition · Computer Science 2017-09-15 Jingchun Cheng , Sifei Liu , Yi-Hsuan Tsai , Wei-Chih Hung , Shalini De Mello , Jinwei Gu , Jan Kautz , Shengjin Wang , Ming-Hsuan Yang

Instance segmentation of biological images is essential for studying object behaviors and properties. The challenges, such as clustering, occlusion, and adhesion problems of the objects, make instance segmentation a non-trivial task.…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Jingru Yi , Hui Tang , Pengxiang Wu , Bo Liu , Daniel J. Hoeppner , Dimitris N. Metaxas , Lianyi Han , Wei Fan

We present a novel 3D instance segmentation framework for Multi-View Stereo (MVS) buildings in urban scenes. Unlike existing works focusing on semantic segmentation of urban scenes, the emphasis of this work lies in detecting and segmenting…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Jiazhou Chen , Yanghui Xu , Shufang Lu , Ronghua Liang , Liangliang Nan

Instance segmentation is a computer vision task where separate objects in an image are detected and segmented. State-of-the-art deep neural network models require large amounts of labeled data in order to perform well in this task. Making…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Tuomas Sormunen , Arttu Lämsä , Miguel Bordallo Lopez

To learn object models for robotic manipulation, unsupervised methods cannot provide accurate object structural information and supervised methods require a large amount of manually labeled training samples, thus interactive object…

Robotics · Computer Science 2015-04-21 Kun Li , Max Q. -H. Meng

We present an approach for building an active agent that learns to segment its visual observations into individual objects by interacting with its environment in a completely self-supervised manner. The agent uses its current segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-06-22 Deepak Pathak , Yide Shentu , Dian Chen , Pulkit Agrawal , Trevor Darrell , Sergey Levine , Jitendra Malik

3D point cloud semantic segmentation is a challenging topic in the computer vision field. Most of the existing methods in literature require a large amount of fully labeled training data, but it is extremely time-consuming to obtain these…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Shuang Deng , Qiulei Dong , Bo Liu , Zhanyi Hu

In this paper, we propose PASS3D to achieve point-wise semantic segmentation for 3D point cloud. Our framework combines the efficiency of traditional geometric methods with robustness of deep learning methods, consisting of two stages: At…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Guangyao Zhai , Baoquan Zhong , Yong Liu

Contemporary point cloud segmentation approaches largely rely on richly annotated 3D training data. However, it is both time-consuming and challenging to obtain consistently accurate annotations for such 3D scene data. Moreover, there is…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Jiaxu Liu , Zhengdi Yu , Toby P. Breckon , Hubert P. H. Shum

Although perception systems have made remarkable advancements in recent years, particularly in 2D reasoning segmentation, these systems still rely on explicit human instruction or pre-defined categories to identify target objects before…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Kunshen Zhang

3D Point Cloud Semantic Segmentation (PCSS) is attracting increasing interest, due to its applicability in remote sensing, computer vision and robotics, and due to the new possibilities offered by deep learning techniques. In order to…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Yuxing Xie , Jiaojiao Tian , Xiao Xiang Zhu

The goal of click-based interactive image segmentation is to obtain precise object segmentation masks with limited user interaction, i.e., by a minimal number of user clicks. Existing methods require users to provide all the clicks: by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Qin Liu , Meng Zheng , Benjamin Planche , Srikrishna Karanam , Terrence Chen , Marc Niethammer , Ziyan Wu

Current 3D segmentation methods heavily rely on large-scale point-cloud datasets, which are notoriously laborious to annotate. Few attempts have been made to circumvent the need for dense per-point annotations. In this work, we look at…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Julian Chibane , Francis Engelmann , Tuan Anh Tran , Gerard Pons-Moll

Semantic segmentation of 3D point clouds is a challenging problem with numerous real-world applications. While deep learning has revolutionized the field of image semantic segmentation, its impact on point cloud data has been limited so…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Felix Järemo Lawin , Martin Danelljan , Patrik Tosteberg , Goutam Bhat , Fahad Shahbaz Khan , Michael Felsberg

Existing 3D instance segmentation methods typically assume that all semantic classes to be segmented would be available during training and only seen categories are segmented at inference. We argue that such a closed-world assumption is…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Mohamed El Amine Boudjoghra , Salwa K. Al Khatib , Jean Lahoud , Hisham Cholakkal , Rao Muhammad Anwer , Salman Khan , Fahad Khan

Independently exploring unknown spaces or finding objects in an indoor environment is a daily but challenging task for visually impaired people. However, common 2D assistive systems lack depth relationships between various objects,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Huayao Liu , Ruiping Liu , Kailun Yang , Jiaming Zhang , Kunyu Peng , Rainer Stiefelhagen

Point cloud stands as the most widely adopted format for representing 3D shapes and scenes due to its simplicity and geometric fidelity. However, its inherent unordered and irregular nature, exacerbated by sensor noise and occlusions,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Minhas Kamal , Hiranya Garbha Kumar , Balakrishnan Prabhakaran

Object detection in three-dimensional (3D) space attracts much interest from academia and industry since it is an essential task in AI-driven applications such as robotics, autonomous driving, and augmented reality. As the basic format of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Shi Qiu , Yunfan Wu , Saeed Anwar , Chongyi Li

Current methods for 3D semantic segmentation propose training models with limited annotations to address the difficulty of annotating large, irregular, and unordered 3D point cloud data. They usually focus on the 3D domain only, without…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Lechun You , Zhonghua Wu , Weide Liu , Xulei Yang , Jun Cheng , Wei Zhou , Bharadwaj Veeravalli , Guosheng Lin