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360{\deg} omnidirectional images have gained research attention due to their immersive and interactive experience, particularly in AR/VR applications. However, they suffer from lower angular resolution due to being captured by fisheye…

Image and Video Processing · Electrical Eng. & Systems 2023-04-27 Xiaopeng Sun , Weiqi Li , Zhenyu Zhang , Qiufang Ma , Xuhan Sheng , Ming Cheng , Haoyu Ma , Shijie Zhao , Jian Zhang , Junlin Li , Li Zhang

The human brain can effortlessly recognize and localize objects, whereas current 3D object detection methods based on LiDAR point clouds still report inferior performance for detecting occluded and distant objects: the point cloud…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Liang Du , Xiaoqing Ye , Xiao Tan , Edward Johns , Bo Chen , Errui Ding , Xiangyang Xue , Jianfeng Feng

We introduce Open3DIS, a novel solution designed to tackle the problem of Open-Vocabulary Instance Segmentation within 3D scenes. Objects within 3D environments exhibit diverse shapes, scales, and colors, making precise instance-level…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Phuc D. A. Nguyen , Tuan Duc Ngo , Evangelos Kalogerakis , Chuang Gan , Anh Tran , Cuong Pham , Khoi Nguyen

We develop a novel learning scheme named Self-Prediction for 3D instance and semantic segmentation of point clouds. Distinct from most existing methods that focus on designing convolutional operators, our method designs a new learning…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Jinxian Liu , Minghui Yu , Bingbing Ni , Ye Chen

We propose a novel, conceptually simple and general framework for instance segmentation on 3D point clouds. Our method, called 3D-BoNet, follows the simple design philosophy of per-point multilayer perceptrons (MLPs). The framework directly…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Bo Yang , Jianan Wang , Ronald Clark , Qingyong Hu , Sen Wang , Andrew Markham , Niki Trigoni

Recently most popular tracking frameworks focus on 2D image sequences. They seldom track the 3D object in point clouds. In this paper, we propose PointIT, a fast, simple tracking method based on 3D on-road instance segmentation. Firstly, we…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Yuan Wang , Yang Yu , Ming Liu

Semantic segmentation has emerged as a pivotal area of study in computer vision, offering profound implications for scene understanding and elevating human-machine interactions across various domains. While 2D semantic segmentation has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Aditya Krishnan , Jayneel Vora , Prasant Mohapatra

Convolutional neural networks (CNNs) are the current state-of-the-art meta-algorithm for volumetric segmentation of medical data, for example, to localize COVID-19 infected tissue on computer tomography scans or the detection of tumour…

Image and Video Processing · Electrical Eng. & Systems 2021-10-22 Christoph Reich , Tim Prangemeier , Özdemir Cetin , Heinz Koeppl

Poles and building edges are frequently observable objects on urban roads, conveying reliable hints for various computer vision tasks. To repetitively extract them as features and perform association between discrete LiDAR frames for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Xiangrui Zhao , Sheng Yang , Tianxin Huang , Jun Chen , Teng Ma , Mingyang Li , Yong Liu

Optical coherence tomography (OCT) is one of the non-invasive and easy-to-acquire biomarkers (the thickness of the retinal layers, which is detectable within OCT scans) being investigated to diagnose Alzheimer's disease (AD). This work aims…

Image and Video Processing · Electrical Eng. & Systems 2022-06-14 Paria Jeihouni , Omid Dehzangi , Annahita Amireskandari , Ali Dabouei , Ali Rezai , Nasser M. Nasrabadi

Detecting unknown objects in semantic segmentation is crucial for safety-critical applications such as autonomous driving. Large vision foundation models, including DINOv2, InternImage, and CLIP, have advanced visual representation learning…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Laith Nayal , Hadi Salloum , Ahmad Taha , Yaroslav Kholodov , Alexander Gasnikov

Despite significant progress in 3D point cloud segmentation, existing methods primarily address specific tasks and depend on explicit instructions to identify targets, lacking the capability to infer and understand implicit user intentions…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Shuting He , Henghui Ding , Xudong Jiang , Bihan Wen

Learning new representations of 3D point clouds is an active research area in 3D vision, as the order-invariant point cloud structure still presents challenges to the design of neural network architectures. Recent works explored learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Yusuf H. Sahin , Alican Mertan , Gozde Unal

Optical coherence tomography (OCT) is a non-invasive 3D modality widely used in ophthalmology for imaging the retina. Achieving automated, anatomically coherent retinal layer segmentation on OCT is important for the detection and monitoring…

Image and Video Processing · Electrical Eng. & Systems 2022-10-26 Botond Fazekas , Guilherme Aresta , Dmitrii Lachinov , Sophie Riedl , Julia Mai , Ursula Schmidt-Erfurth , Hrvoje Bogunovic

Point-cloud semantic segmentation underpins a wide range of critical applications. Although recent deep architectures and large-scale datasets have driven impressive closed-set performance, these models struggle to recognize or properly…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Wang Fang , Shirin Rahimi , Olivia Bennett , Sophie Carter , Mitra Hassani , Xu Lan , Omid Javadi , Lucas Mitchell

Multi-organ segmentation is one of most successful applications of deep learning in medical image analysis. Deep convolutional neural nets (CNNs) have shown great promise in achieving clinically applicable image segmentation performance on…

Image and Video Processing · Electrical Eng. & Systems 2020-12-18 Hao Tang , Xingwei Liu , Kun Han , Shanlin Sun , Narisu Bai , Xuming Chen , Huang Qian , Yong Liu , Xiaohui Xie

Layer segmentation is important to quantitative analysis of retinal optical coherence tomography (OCT). Recently, deep learning based methods have been developed to automate this task and yield remarkable performance. However, due to the…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Hong Liu , Dong Wei , Donghuan Lu , Xiaoying Tang , Liansheng Wang , Yefeng Zheng

The convenience of 3D sensors has led to an increase in the use of 3D point clouds in various applications. However, the differences in acquisition devices or scenarios lead to divergence in the data distribution of point clouds, which…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Zhimin Zhang , Xiang Gao , Wei Hu

Existing open-vocabulary 3D semantic segmentation methods typically supervise 3D segmentation models by merging text-aligned features (e.g., CLIP) extracted from multi-view images onto 3D points. However, such approaches treat multi-view…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Shiqi Zhang , Sha Zhang , Jiajun Deng , Yedong Shen , Mingxiao MA , Yanyong Zhang

Projecting the point cloud on the 2D spherical range image transforms the LiDAR semantic segmentation to a 2D segmentation task on the range image. However, the LiDAR range image is still naturally different from the regular 2D RGB image;…

Computer Vision and Pattern Recognition · Computer Science 2021-09-09 Yiming Zhao , Lin Bai , Xinming Huang