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相关论文: AutoInst: Automatic Instance-Based Segmentation of…

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Small sample instance segmentation is a very challenging task, and many existing methods follow the training strategy of meta-learning which pre-train models on support set and fine-tune on query set. The pre-training phase, which is highly…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Ruting Chi , Zhiyi Huang , Yuexing Han

Most 3D instance segmentation methods exploit a bottom-up strategy, typically including resource-exhaustive post-processing. For point grouping, bottom-up methods rely on prior assumptions about the objects in the form of hyperparameters,…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Maksim Kolodiazhnyi , Anna Vorontsova , Anton Konushin , Danila Rukhovich

Recent attention in instance segmentation has focused on query-based models. Despite being non-maximum suppression (NMS)-free and end-to-end, the superiority of these models on high-accuracy real-time benchmarks has not been well…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Junjie He , Pengyu Li , Yifeng Geng , Xuansong Xie

3D instance segmentation (3DIS) is a crucial task, but point-level annotations are tedious in fully supervised settings. Thus, using bounding boxes (bboxes) as annotations has shown great potential. The current mainstream approach is a…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Jiahao Lu , Jiacheng Deng , Tianzhu Zhang

We propose a novel approach for automatic extraction (instance segmentation) of fibers from low resolution 3D X-ray computed tomography scans of short glass fiber reinforced polymers. We have designed a 3D instance segmentation architecture…

计算机视觉与模式识别 · 计算机科学 2019-01-07 Tomasz Konopczyński , Thorben Kröger , Lei Zheng , Jürgen Hesser

A 3D point cloud describes the real scene precisely and intuitively.To date how to segment diversified elements in such an informative 3D scene is rarely discussed. In this paper, we first introduce a simple and flexible framework to…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Xinlong Wang , Shu Liu , Xiaoyong Shen , Chunhua Shen , Jiaya Jia

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…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Jiazhou Chen , Yanghui Xu , Shufang Lu , Ronghua Liang , Liangliang Nan

Current 3D instance segmentation models generally use multi-stage methods to extract instance objects, including clustering, feature extraction, and post-processing processes. However, these multi-stage approaches rely on hyperparameter…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Chuan Tang , Xi Yang

Most existing point cloud instance and semantic segmentation methods rely heavily on strong supervision signals, which require point-level labels for every point in the scene. However, such strong supervision suffers from large annotation…

计算机视觉与模式识别 · 计算机科学 2022-07-26 An Tao , Yueqi Duan , Yi Wei , Jiwen Lu , Jie Zhou

In the past few years, we have seen great progress in perception algorithms, particular through the use of deep learning. However, most existing approaches focus on a few categories of interest, which represent only a small fraction of the…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Kelvin Wong , Shenlong Wang , Mengye Ren , Ming Liang , Raquel Urtasun

This paper presents one of the first learning-based NeRF 3D instance segmentation pipelines, dubbed as Instance Neural Radiance Field, or Instance NeRF. Taking a NeRF pretrained from multi-view RGB images as input, Instance NeRF can learn…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Yichen Liu , Benran Hu , Junkai Huang , Yu-Wing Tai , Chi-Keung Tang

This paper investigates indoor point cloud semantic segmentation under scene-level annotation, which is less explored compared to methods relying on sparse point-level labels. In the absence of precise point-level labels, current methods…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Lunhao Duan , Shanshan Zhao , Xingxing Weng , Jing Zhang , Gui-Song Xia

Object detection using LiDAR point clouds relies on a large amount of human-annotated samples when training the underlying detectors' deep neural networks. However, generating 3D bounding box annotation for a large-scale dataset could be…

计算机视觉与模式识别 · 计算机科学 2024-12-13 Xiaohu Lu , Hayder Radha

Weakly supervised 3D instance segmentation is essential for 3D scene understanding, especially as the growing scale of data and high annotation costs associated with fully supervised approaches. Existing methods primarily rely on two forms…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Xuexun Liu , Xiaoxu Xu , Qiudan Zhang , Lin Ma , Xu Wang

3D point cloud understanding has made great progress in recent years. However, one major bottleneck is the scarcity of annotated real datasets, especially compared to 2D object detection tasks, since a large amount of labor is involved in…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Yongming Rao , Benlin Liu , Yi Wei , Jiwen Lu , Cho-Jui Hsieh , Jie Zhou

Learning to understand and infer object functionalities is an important step towards robust visual intelligence. Significant research efforts have recently focused on segmenting the object parts that enable specific types of human-object…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Spyridon Thermos , Petros Daras , Gerasimos Potamianos

To autonomously navigate and plan interactions in real-world environments, robots require the ability to robustly perceive and map complex, unstructured surrounding scenes. Besides building an internal representation of the observed scene…

机器人学 · 计算机科学 2021-05-18 Margarita Grinvald , Fadri Furrer , Tonci Novkovic , Jen Jen Chung , Cesar Cadena , Roland Siegwart , Juan Nieto

We introduce 3D-SIS, a novel neural network architecture for 3D semantic instance segmentation in commodity RGB-D scans. The core idea of our method is to jointly learn from both geometric and color signal, thus enabling accurate instance…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Ji Hou , Angela Dai , Matthias Nießner

Accurate 3D instance segmentation is crucial for high-quality scene understanding in the 3D vision domain. However, 3D instance segmentation based on 2D-to-3D lifting approaches struggle to produce precise instance-level segmentation, due…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Chaolei Wang , Yang Luo , Jing Du , Siyu Chen , Yiping Chen , Ting Han

We introduce SAMPro3D for zero-shot instance segmentation of 3D scenes. Given the 3D point cloud and multiple posed RGB-D frames of 3D scenes, our approach segments 3D instances by applying the pretrained Segment Anything Model (SAM) to 2D…

计算机视觉与模式识别 · 计算机科学 2025-02-05 Mutian Xu , Xingyilang Yin , Lingteng Qiu , Yang Liu , Xin Tong , Xiaoguang Han