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In recent years, the need for semantic segmentation has arisen across several different applications and environments. However, the expense and redundancy of annotation often limits the quantity of labels available for training in any…

计算机视觉与模式识别 · 计算机科学 2019-09-25 Tarun Kalluri , Girish Varma , Manmohan Chandraker , C V Jawahar

Learning to build 3D scene graphs is essential for real-world perception in a structured and rich fashion. However, previous 3D scene graph generation methods utilize a fully supervised learning manner and require a large amount of…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Xu Wang , Yifan Li , Qiudan Zhang , Wenhui Wu , Mark Junjie Li , Jianmin Jinag

Semantic segmentation is a crucial step in many Earth observation tasks. Large quantity of pixel-level annotation is required to train deep networks for semantic segmentation. Earth observation techniques are applied to varieties of…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Sudipan Saha , Lichao Mou , Muhammad Shahzad , Xiao Xiang Zhu

After learning a new object category from image-level annotations (with no object bounding boxes), humans are remarkably good at precisely localizing those objects. However, building good object localizers (i.e., detectors) currently…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Zitian Chen , Zhiqiang Shen , Jiahui Yu , Erik Learned-Miller

Unsupervised semantic segmentation aims to categorize each pixel in an image into a corresponding class without the use of annotated data. It is a widely researched area as obtaining labeled datasets is expensive. While previous works in…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Yau Shing Jonathan Cheung , Xi Chen , Lihe Yang , Hengshuang Zhao

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

Recently, semi-supervised semantic segmentation has achieved promising performance with a small fraction of labeled data. However, most existing studies treat all unlabeled data equally and barely consider the differences and training…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Zhen Zhao , Sifan Long , Jimin Pi , Jingdong Wang , Luping Zhou

We propose a new and, arguably, a very simple reduction of instance segmentation to semantic segmentation. This reduction allows to train feed-forward non-recurrent deep instance segmentation systems in an end-to-end fashion using…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Victor Kulikov , Victor Yurchenko , Victor Lempitsky

Unsupervised online 3D instance segmentation is a fundamental yet challenging task, as it requires maintaining consistent object identities across LiDAR scans without relying on annotated training data. Existing methods, such as UNIT, have…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Yifan Zhang , Wei Zhang , Chuangxin He , Zhonghua Miao , Junhui Hou

Semi-supervised instance segmentation poses challenges due to limited labeled data, causing difficulties in accurately localizing distinct object instances. Current teacher-student frameworks still suffer from performance constraints due to…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Heeji Yoon , Heeseong Shin , Eunbeen Hong , Hyunwook Choi , Hansang Cho , Daun Jeong , Seungryong Kim

Open-world instance-level scene understanding aims to locate and recognize unseen object categories that are not present in the annotated dataset. This task is challenging because the model needs to both localize novel 3D objects and infer…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Runyu Ding , Jihan Yang , Chuhui Xue , Wenqing Zhang , Song Bai , Xiaojuan Qi

Semantic segmentation is a crucial task in medical imaging. Although supervised learning techniques have proven to be effective in performing this task, they heavily depend on large amounts of annotated training data. The recently…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Ron Keuth , Lasse Hansen , Maren Balks , Ronja Jäger , Anne-Nele Schröder , Ludger Tüshaus , Mattias Heinrich

Training high-accuracy 3D detectors necessitates massive labeled 3D annotations with 7 degree-of-freedom, which is laborious and time-consuming. Therefore, the form of point annotations is proposed to offer significant prospects for…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Hongzhi Gao , Zheng Chen , Zehui Chen , Lin Chen , Jiaming Liu , Shanghang Zhang , Feng Zhao

Due to the lack of expertise for medical image annotation, the investigation of label-efficient methodology for medical image segmentation becomes a heated topic. Recent progresses focus on the efficient utilization of weak annotations…

图像与视频处理 · 电气工程与系统科学 2022-03-14 Junwen Pan , Qi Bi , Yanzhan Yang , Pengfei Zhu , Cheng Bian

Unsupervised object discovery aims to localize objects in images, while removing the dependence on annotations required by most deep learning-based methods. To address this problem, we propose a fully unsupervised, bottom-up approach, for…

计算机视觉与模式识别 · 计算机科学 2022-12-21 Sandra Kara , Hejer Ammar , Florian Chabot , Quoc-Cuong Pham

Deep Convolutional Neural Networks have proven effective in solving the task of semantic segmentation. However, their efficiency heavily relies on the pixel-level annotations that are expensive to get and often require domain expertise,…

计算机视觉与模式识别 · 计算机科学 2020-07-03 Ostap Viniavskyi , Mariia Dobko , Oles Dobosevych

The great progress of 3D object detectors relies on large-scale data and 3D annotations. The annotation cost for 3D bounding boxes is extremely expensive while the 2D ones are easier and cheaper to collect. In this paper, we introduce a…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Jinrong Yang , Tiancai Wang , Zheng Ge , Weixin Mao , Xiaoping Li , Xiangyu Zhang

Annotation of medical images has been a major bottleneck for the development of accurate and robust machine learning models. Annotation is costly and time-consuming and typically requires expert knowledge, especially in the medical domain.…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Holger Roth , Ling Zhang , Dong Yang , Fausto Milletari , Ziyue Xu , Xiaosong Wang , Daguang Xu

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

Open-vocabulary instance segmentation aims at segmenting novel classes without mask annotations. It is an important step toward reducing laborious human supervision. Most existing works first pretrain a model on captioned images covering…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Dat Huynh , Jason Kuen , Zhe Lin , Jiuxiang Gu , Ehsan Elhamifar