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Related papers: PanSt3R: Multi-view Consistent Panoptic Segmentati…

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Recent advances in dense 3D reconstruction have led to significant progress, yet achieving accurate unified geometric prediction remains a major challenge. Most existing methods are limited to predicting a single geometry quantity from…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Xianze Fang , Jingnan Gao , Zhe Wang , Zhuo Chen , Xingyu Ren , Jiangjing Lyu , Qiaomu Ren , Zhonglei Yang , Xiaokang Yang , Yichao Yan , Chengfei Lyu

We propose a fully differentiable architecture for simultaneous semantic and instance segmentation (a.k.a. panoptic segmentation) consisting of a convolutional neural network and an asymmetric multiway cut problem solver. The latter solves…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Ahmed Abbas , Paul Swoboda

We present Spann3R, a novel approach for dense 3D reconstruction from ordered or unordered image collections. Built on the DUSt3R paradigm, Spann3R uses a transformer-based architecture to directly regress pointmaps from images without any…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Hengyi Wang , Lourdes Agapito

We present 3DMV, a novel method for 3D semantic scene segmentation of RGB-D scans in indoor environments using a joint 3D-multi-view prediction network. In contrast to existing methods that either use geometry or RGB data as input for this…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Angela Dai , Matthias Nießner

We propose a simple yet effective framework for instance and panoptic segmentation, termed CondInst (conditional convolutions for instance and panoptic segmentation). In the literature, top-performing instance segmentation methods typically…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Zhi Tian , Bowen Zhang , Hao Chen , Chunhua Shen

Geometry estimation from perspective images has greatly advanced, maturing to the point where off-the-shelf foundation models are able to reconstruct 3D scene structure not only from multi-view imagery, but even from a single view. A…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Vukasin Bozic , Isidora Slavkovic , Dominik Narnhofer , Nando Metzger , Denis Rozumny , Konrad Schindler , Nikolai Kalischek

In order to deal with the task of video panoptic segmentation in the wild, we propose a robust integrated video panoptic segmentation solution. In our solution, we regard the video panoptic segmentation task as a segmentation target…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Jinming Su , Wangwang Yang , Junfeng Luo , Xiaolin Wei

3D object reconstruction and multilevel segmentation are fundamental to computer vision research. Existing algorithms usually perform 3D scene reconstruction and target objects segmentation independently, and the performance is not fully…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Jiexiong Xu , Weikun Zhao , Zhiyan Tang , Xiangchao Gan

Image matching is a key component of modern 3D vision algorithms, essential for accurate scene reconstruction and localization. MASt3R redefines image matching as a 3D task by leveraging DUSt3R and introducing a fast reciprocal matching…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Jingxing Li , Yongjae Lee , Abhay Kumar Yadav , Cheng Peng , Rama Chellappa , Deliang Fan

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

Current multi-view 3D reconstruction methods rely on accurate camera calibration and pose estimation, requiring complex and time-intensive pre-processing that hinders their practical deployment. To address this challenge, we introduce…

Graphics · Computer Science 2025-08-07 Haodong Zhu , Changbai Li , Yangyang Ren , Zichao Feng , Xuhui Liu , Hanlin Chen , Xiantong Zhen , Baochang Zhang

Implicit neural fields have made remarkable progress in reconstructing 3D surfaces from multiple images; however, they encounter challenges when it comes to separating individual objects within a scene. Previous work has attempted to tackle…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Gemmechu Hassena , Jonathan Moon , Ryan Fujii , Andrew Yuen , Noah Snavely , Steve Marschner , Bharath Hariharan

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

Existing 3D instance segmentation methods frequently encounter issues with over-segmentation, leading to redundant and inaccurate 3D proposals that complicate downstream tasks. This challenge arises from their unsupervised merging approach,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Phuc Nguyen , Minh Luu , Anh Tran , Cuong Pham , Khoi Nguyen

Panoptic lifting is an effective technique to address the 3D panoptic segmentation task by unprojecting 2D panoptic segmentations from multi-views to 3D scene. However, the quality of its results largely depends on the 2D segmentations,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Runsong Zhu , Shi Qiu , Qianyi Wu , Ka-Hei Hui , Pheng-Ann Heng , Chi-Wing Fu

In this paper, we develop rotation-equivariant neural networks for 4D panoptic segmentation. 4D panoptic segmentation is a benchmark task for autonomous driving that requires recognizing semantic classes and object instances on the road…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Minghan Zhu , Shizhong Han , Hong Cai , Shubhankar Borse , Maani Ghaffari , Fatih Porikli

We propose a simple, fast, and flexible framework to generate simultaneously semantic and instance masks for panoptic segmentation. Our method, called PanoNet, incorporates a clean and natural structure design that tackles the problem…

Computer Vision and Pattern Recognition · Computer Science 2020-08-04 Xia Chen , Jianren Wang , Martial Hebert

3D point cloud panoptic segmentation is the combined task to (i) assign each point to a semantic class and (ii) separate the points in each class into object instances. Recently there has been an increased interest in such comprehensive 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Binbin Xiang , Yuanwen Yue , Torben Peters , Konrad Schindler

Neural Radiance Fields (NeRFs) have emerged as a popular approach for novel view synthesis. While NeRFs are quickly being adapted for a wider set of applications, intuitively editing NeRF scenes is still an open challenge. One important…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Ashkan Mirzaei , Tristan Aumentado-Armstrong , Konstantinos G. Derpanis , Jonathan Kelly , Marcus A. Brubaker , Igor Gilitschenski , Alex Levinshtein

Conventional 3D instance segmentation methods rely on labor-intensive 3D annotations for supervised training, which limits their scalability and generalization to novel objects. Recent approaches leverage multi-view 2D masks from the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yibo Zhao , Yigong Zhang , Jin Xie