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Recently, deep learning enabled the accurate segmentation of various diseases in medical imaging. These performances, however, typically demand large amounts of manual voxel annotations. This tedious process for volumetric data becomes more…

Unified segmentation of 3D point clouds is crucial for scene understanding, but is hindered by its sparse structure, limited annotations, and the challenge of distinguishing fine-grained object classes in complex environments. Existing…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Zongyan Han , Mohamed El Amine Boudjoghra , Jiahua Dong , Jinhong Wang , Rao Muhammad Anwer

We propose an end-to-end learning framework for segmenting generic objects in both images and videos. Given a novel image or video, our approach produces a pixel-level mask for all "object-like" regions---even for object categories never…

计算机视觉与模式识别 · 计算机科学 2018-12-19 Bo Xiong , Suyog Dutt Jain , Kristen Grauman

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…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Aditya Krishnan , Jayneel Vora , Prasant Mohapatra

Deep learning has proved particularly useful for semantic segmentation, a fundamental image analysis task. However, the standard deep learning methods need many training images with ground-truth pixel-wise annotations, which are usually…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Denis Baručić , Jan Kybic

Automated segmentation can assist radiotherapy treatment planning by saving manual contouring efforts and reducing intra-observer and inter-observer variations. The recent development of deep learning approaches has revoluted medical data…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Zhuangzhuang Zhang , Tianyu Zhao , Hiram Gay , Baozhou Sun , Weixiong Zhang

To ease the difficulty of acquiring annotation labels in 3D data, a common method is using unsupervised and open-vocabulary semantic segmentation, which leverage 2D CLIP semantic knowledge. In this paper, unlike previous research that…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Fuyang Yu , Runze Tian , Zhen Wang , Xiaochuan Wang , Xiaohui Liang

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

LiDAR-based sparse 3D object detection plays a crucial role in autonomous driving applications due to its computational efficiency advantages. Existing methods either use the features of a single central voxel as an object proxy, or treat…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Lin Liu , Ziying Song , Qiming Xia , Feiyang Jia , Caiyan Jia , Lei Yang , Hongyu Pan

Annotating new datasets for machine learning tasks is tedious, time-consuming, and costly. For segmentation applications, the burden is particularly high as manual delineations of relevant image content are often extremely expensive or can…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Javier Gamazo Tejero , Martin S. Zinkernagel , Sebastian Wolf , Raphael Sznitman , Pablo Márquez Neila

In recent years, with the development of computing resources and LiDAR, point cloud semantic segmentation has attracted many researchers. For the sparsity of point clouds, although there is already a way to deal with sparse convolution,…

计算机视觉与模式识别 · 计算机科学 2022-07-01 Yunzheng Su , Lei Jiang , Jie Cao

This work introduces a novel framework for brain tumor segmentation leveraging pre-trained GANs and Unet architectures. By combining a global anomaly detection module with a refined mask generation network, the proposed model accurately…

图像与视频处理 · 电气工程与系统科学 2025-06-27 Qifei Cui , Xinyu Lu

Part segmentations provide a rich and detailed part-level description of objects. However, their annotation requires an enormous amount of work, which makes it difficult to apply standard deep learning methods. In this paper, we propose the…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Qing Liu , Adam Kortylewski , Zhishuai Zhang , Zizhang Li , Mengqi Guo , Qihao Liu , Xiaoding Yuan , Jiteng Mu , Weichao Qiu , Alan Yuille

Semantic Segmentation combines two sub-tasks: the identification of pixel-level image masks and the application of semantic labels to those masks. Recently, so-called Foundation Models have been introduced; general models trained on very…

计算机视觉与模式识别 · 计算机科学 2023-10-03 David Balaban , Justin Medich , Pranay Gosar , Justin Hart

3D instance segmentation is an important task for real-world applications. To avoid costly manual annotations, existing methods have explored generating pseudo labels by transferring 2D masks from foundation models to 3D. However, this…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Juan Wang , Yasutomo Kawanishi , Tomo Miyazaki , Zhijie Wang , Shinichiro Omachi

Semantic segmentation is a fundamental task in computer vision that involves dense pixel-wise classification for scene understanding. Despite significant progress, achieving high accuracy while maintaining real-time performance remains a…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Abhinav Sagar

3D semantic scene understanding is essential for digital twins, autonomous driving, smart agriculture, and embodied perception, yet dense point-wise annotation for point clouds remains expensive and difficult to scale. Existing…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Yijing Wang , Ruonan Li , Qilin Wang , Rongqiang Zhao , Jie Liu

Zero-shot neural scene segmentation, which reconstructs 3D neural segmentation field without manual annotations, serves as an effective way for scene understanding. However, existing models, especially the efficient 3D Gaussian-based…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Bin Dou , Tianyu Zhang , Zhaohui Wang , Yongjia Ma , Zejian Yuan

Over the years, datasets and benchmarks have had an outsized influence on the design of novel algorithms. In this paper, we introduce ChairSegments, a novel and compact semi-synthetic dataset for object segmentation. We also show empirical…

计算机视觉与模式识别 · 计算机科学 2020-12-03 Leticia Pinto-Alva , Ian K. Torres , Rosangel Garcia , Ziyan Yang , Vicente Ordonez

Accurate semantic segmentation models typically require significant computational resources, inhibiting their use in practical applications. Recent works rely on well-crafted lightweight models to achieve fast inference. However, these…

计算机视觉与模式识别 · 计算机科学 2023-02-20 Danna Xue , Fei Yang , Pei Wang , Luis Herranz , Jinqiu Sun , Yu Zhu , Yanning Zhang