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相关论文: 3D Instances as 1D Kernels

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Instance segmentation is an important task for scene understanding. Compared to the fully-developed 2D, 3D instance segmentation for point clouds have much room to improve. In this paper, we present PointGroup, a new end-to-end bottom-up…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Li Jiang , Hengshuang Zhao , Shaoshuai Shi , Shu Liu , Chi-Wing Fu , Jiaya Jia

We present a conceptually simple, flexible, and general framework for object instance segmentation. Our approach efficiently detects objects in an image while simultaneously generating a high-quality segmentation mask for each instance. The…

计算机视觉与模式识别 · 计算机科学 2018-01-25 Kaiming He , Georgia Gkioxari , Piotr Dollár , Ross Girshick

With the development of deep learning, many state-of-the-art natural image scene classification methods have demonstrated impressive performance. While the current convolution neural network tends to extract global features and global…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Qi Bi , Kun Qin , Zhili Li , Han Zhang , Kai Xu

Humans excel at forming mental maps of their surroundings, equipping them to understand object relationships and navigate based on language queries. Our previous work, SI Maps (Nanwani L, Agarwal A, Jain K, et al. Instance-level semantic…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Laksh Nanwani , Kumaraditya Gupta , Aditya Mathur , Swayam Agrawal , A. H. Abdul Hafez , K. Madhava Krishna

We present a simple yet effective general-purpose framework for modeling 3D shapes by leveraging recent advances in 2D image generation using CNNs. Using just a single depth image of the object, we can output a dense multi-view depth map…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Kamal Gupta , Susmija Jabbireddy , Ketul Shah , Abhinav Shrivastava , Matthias Zwicker

Compared to many other dense prediction tasks, e.g., semantic segmentation, it is the arbitrary number of instances that has made instance segmentation much more challenging. In order to predict a mask for each instance, mainstream…

计算机视觉与模式识别 · 计算机科学 2021-07-01 Xinlong Wang , Rufeng Zhang , Chunhua Shen , Tao Kong , Lei Li

In contrast to fully supervised methods using pixel-wise mask labels, box-supervised instance segmentation takes advantage of simple box annotations, which has recently attracted increasing research attention. This paper presents a novel…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Wentong Li , Wenyu Liu , Jianke Zhu , Miaomiao Cui , Risheng Yu , Xiansheng Hua , Lei Zhang

Semantic segmentation and object detection research have recently achieved rapid progress. However, the former task has no notion of different instances of the same object, and the latter operates at a coarse, bounding-box level. We propose…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Anurag Arnab , Philip H. S Torr

Recent advance in 2D CNNs has revealed that large kernels are important. However, when directly applying large convolutional kernels in 3D CNNs, severe difficulties are met, where those successful module designs in 2D become surprisingly…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Yukang Chen , Jianhui Liu , Xiangyu Zhang , Xiaojuan Qi , Jiaya Jia

State-of-the-art instance-aware semantic segmentation algorithms use axis-aligned bounding boxes as an intermediate processing step to infer the final instance mask output. This often leads to coarse and inaccurate mask proposals due to the…

计算机视觉与模式识别 · 计算机科学 2020-03-16 Patrick Follmann , Rebecca König

Panoptic Segmentation aims to provide an understanding of background (stuff) and instances of objects (things) at a pixel level. It combines the separate tasks of semantic segmentation (pixel level classification) and instance segmentation…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Sumanth Chennupati , Venkatraman Narayanan , Ganesh Sistu , Senthil Yogamani , Samir A Rawashdeh

Class-agnostic 3D instance segmentation tackles the challenging task of segmenting all object instances, including previously unseen ones, without semantic class reliance. Current methods struggle with generalization due to the scarce…

计算机视觉与模式识别 · 计算机科学 2025-12-11 Shengchao Zhou , Jiehong Lin , Jiahui Liu , Shizhen Zhao , Chirui Chang , Xiaojuan Qi

We introduce a novel 3D object proposal approach named Generative Shape Proposal Network (GSPN) for instance segmentation in point cloud data. Instead of treating object proposal as a direct bounding box regression problem, we take an…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Li Yi , Wang Zhao , He Wang , Minhyuk Sung , Leonidas Guibas

Unsupervised 3D instance segmentation aims to segment objects from a 3D point cloud without any annotations. Existing methods face the challenge of either too loose or too tight clustering, leading to under-segmentation or…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Cheng Shi , Yulin Zhang , Bin Yang , Jiajin Tang , Yuexin Ma , Sibei Yang

We present a new instance segmentation approach tailored to biological images, where instances may correspond to individual cells, organisms or plant parts. Unlike instance segmentation for user photographs or road scenes, in biological…

计算机视觉与模式识别 · 计算机科学 2020-04-24 Victor Kulikov , Victor Lempitsky

Traditionally, algorithms that learn to segment object instances in 2D images have heavily relied on large amounts of human-annotated data. Only recently, novel approaches have emerged tackling this problem in an unsupervised fashion.…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Leon Sick , Dominik Engel , Sebastian Hartwig , Pedro Hermosilla , Timo Ropinski

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…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Jinxian Liu , Minghui Yu , Bingbing Ni , Ye Chen

Fully convolutional networks (FCNs) have been proven very successful for semantic segmentation, but the FCN outputs are unaware of object instances. In this paper, we develop FCNs that are capable of proposing instance-level segment…

计算机视觉与模式识别 · 计算机科学 2016-03-30 Jifeng Dai , Kaiming He , Yi Li , Shaoqing Ren , Jian Sun

Support vector machines and kernel methods have recently gained considerable attention in chemoinformatics. They offer generally good performance for problems of supervised classification or regression, and provide a flexible and…

定量方法 · 定量生物学 2007-08-02 Pierre Mahé , Jean-Philippe Vert

Recently, fully-convolutional one-stage networks have shown superior performance comparing to two-stage frameworks for instance segmentation as typically they can generate higher-quality mask predictions with less computation. In addition,…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Hao Chen , Chunhua Shen , Zhi Tian