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相关论文: PartSTAD: 2D-to-3D Part Segmentation Task Adaptati…

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Prostate specific membrane antigen (PSMA) positron emission tomography/computed tomography (PET/CT) imaging provides a tremendously exciting frontier in visualization of prostate cancer (PCa) metastatic lesions. However, accurate…

医学物理 · 物理学 2024-12-05 Amirhosein Toosi , Sara Harsini , François Bénard , Carlos Uribe , Arman Rahmim

For the task of mobility analysis of 3D shapes, we propose joint analysis for simultaneous motion part segmentation and motion attribute estimation, taking a single 3D model as input. The problem is significantly different from those…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Xiaogang Wang , Bin Zhou , Yahao Shi , Xiaowu Chen , Qinping Zhao , Kai Xu

We introduce SAM2Point, a preliminary exploration adapting Segment Anything Model 2 (SAM 2) for zero-shot and promptable 3D segmentation. SAM2Point interprets any 3D data as a series of multi-directional videos, and leverages SAM 2 for…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Ziyu Guo , Renrui Zhang , Xiangyang Zhu , Chengzhuo Tong , Peng Gao , Chunyuan Li , Pheng-Ann Heng

Reliable 3D segmentation is critical for understanding complex scenes with dense layouts and multi-scale objects, as commonly seen in industrial environments. In such scenarios, heavy occlusion weakens geometric boundaries between objects,…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Yu Zhu , Naoya Chiba , Koichi Hashimoto

The proliferation of 2D foundation models has sparked research into adapting them for open-world 3D instance segmentation. Recent methods introduce a paradigm that leverages superpoints as geometric primitives and incorporates 2D multi-view…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Xi Yang , Xu Gu , Xingyilang Yin , Xinbo Gao

Segmentation of biomedical images can assist radiologists to make a better diagnosis and take decisions faster by helping in the detection of abnormalities, such as tumors. Manual or semi-automated segmentation, however, can be a…

图像与视频处理 · 电气工程与系统科学 2021-02-11 Dhanunjaya Mitta , Soumick Chatterjee , Oliver Speck , Andreas Nürnberger

Despite rapid progress in scene segmentation in recent years, 3D segmentation methods are still limited when there is severe occlusion. The key challenge is estimating the segment boundaries of (partially) occluded objects, which are…

机器人学 · 计算机科学 2021-04-02 Andrew Price , Kun Huang , Dmitry Berenson

Recent advances in interactive 3D segmentation from 2D images have demonstrated impressive performance. However, current models typically require extensive scene-specific training to accurately reconstruct and segment objects, which limits…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Yansong Guo , Jie Hu , Yansong Qu , Liujuan Cao

Point cloud semantic segmentation plays an essential role in autonomous driving, providing vital information about drivable surfaces and nearby objects that can aid higher level tasks such as path planning and collision avoidance. While…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Ozan Unal , Luc Van Gool , Dengxin Dai

Semantic segmentation for aerial platforms has been one of the fundamental scene understanding task for the earth observation. Most of the semantic segmentation research focused on scenes captured in nadir view, in which objects have…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Ye Lyu , George Vosselman , Gui-Song Xia , Michael Ying Yang

3D point cloud segmentation has made tremendous progress in recent years. Most current methods focus on aggregating local features, but fail to directly model long-range dependencies. In this paper, we propose Stratified Transformer that is…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Xin Lai , Jianhui Liu , Li Jiang , Liwei Wang , Hengshuang Zhao , Shu Liu , Xiaojuan Qi , Jiaya Jia

This paper proposes a cross-modal distillation framework, PartDistill, which transfers 2D knowledge from vision-language models (VLMs) to facilitate 3D shape part segmentation. PartDistill addresses three major challenges in this task: the…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Ardian Umam , Cheng-Kun Yang , Min-Hung Chen , Jen-Hui Chuang , Yen-Yu Lin

Manipulating articulated objects with robotic arms is challenging due to the complex kinematic structure, which requires precise part segmentation for efficient manipulation. In this work, we introduce a novel superpoint-based perception…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Qiaojun Yu , Ce Hao , Xibin Yuan , Li Zhang , Liu Liu , Yukang Huo , Rohit Agarwal , Cewu Lu

In the field of 3D perception using 3D LiDAR sensors, ground segmentation is an essential task for various purposes, such as traversable area detection and object recognition. Under these circumstances, several ground segmentation methods…

机器人学 · 计算机科学 2022-09-28 Seungjae Lee , Hyungtae Lim , Hyun Myung

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

Segmentation of organs of interest in 3D medical images is necessary for accurate diagnosis and longitudinal studies. Though recent advances using deep learning have shown success for many segmentation tasks, large datasets are required for…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Soopil Kim , Sion An , Philip Chikontwe , Sang Hyun Park

Many automated processes such as auto-piloting rely on a good semantic segmentation as a critical component. To speed up performance, it is common to downsample the input frame. However, this comes at the cost of missed small objects and…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Dmitrii Marin , Zijian He , Peter Vajda , Priyam Chatterjee , Sam Tsai , Fei Yang , Yuri Boykov

While the Segment Anything Model (SAM) excels in semantic segmentation for general-purpose images, its performance significantly deteriorates when applied to medical images, primarily attributable to insufficient representation of medical…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Yiming Zhang , Tianang Leng , Kun Han , Xiaohui Xie

We propose a single-shot method for simultaneous 3D object segmentation and 6-DOF pose estimation in pure 3D point clouds scenes based on a consensus that \emph{one point only belongs to one object}, i.e., each point has the potential power…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Hongsen Liu

For 3D medical image (e.g. CT and MRI) segmentation, the difficulty of segmenting each slice in a clinical case varies greatly. Previous research on volumetric medical image segmentation in a slice-by-slice manner conventionally use the…

图像与视频处理 · 电气工程与系统科学 2022-07-12 Wenxuan Wang , Chen Chen , Jing Wang , Sen Zha , Yan Zhang , Jiangyun Li