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The performance of object detection, to a great extent, depends on the availability of large annotated datasets. To alleviate the annotation cost, the research community has explored a number of ways to exploit unlabeled or weakly labeled…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Shijie Fang , Yuhang Cao , Xinjiang Wang , Kai Chen , Dahua Lin , Wayne Zhang

In this paper, we introduce a novel learning scheme named weakly semi-supervised instance segmentation (WSSIS) with point labels for budget-efficient and high-performance instance segmentation. Namely, we consider a dataset setting…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Beomyoung Kim , Joonhyun Jeong , Dongyoon Han , Sung Ju Hwang

While there are novel point cloud semantic segmentation schemes that continuously surpass state-of-the-art results, the success of learning an effective model usually rely on the availability of abundant labeled data. However, data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Puzuo Wang , Wei Yao

Deep learning approaches for semantic segmentation rely primarily on supervised learning approaches and require substantial efforts in producing pixel-level annotations. Further, such approaches may perform poorly when applied to unseen…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ying Chen , Xu Ouyang , Kaiyue Zhu , Gady Agam

Semantic segmentation of 3D point cloud scenes is a crucial task for various applications. In real-world scenarios, training segmentation models often faces three concurrent forms of data insufficiency: scarcity of training scenes, scarcity…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Takahiko Furuya

Weakly supervised semantic segmentation is a challenging task as it only takes image-level information as supervision for training but produces pixel-level predictions for testing. To address such a challenging task, most recent…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Bingfeng Zhang , Jimin Xiao , Yunchao Wei , Mingjie Sun , Kaizhu Huang

Semantic segmentation of LiDAR point clouds is an important task in autonomous driving. However, training deep models via conventional supervised methods requires large datasets which are costly to label. It is critical to have…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Minghua Liu , Yin Zhou , Charles R. Qi , Boqing Gong , Hao Su , Dragomir Anguelov

In recent years, instance segmentation has garnered significant attention across various applications. However, training a fully-supervised instance segmentation model requires costly both instance-level and pixel-level annotations. In…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yuchen Shen , Dong Zhang , Zhao Zhang , Liyong Fu , Qiaolin Ye

The vast majority of semantic segmentation approaches rely on pixel-level annotations that are tedious and time consuming to obtain and suffer from significant inter and intra-expert variability. To address these issues, recent approaches…

Referring 3D Segmentation is a visual-language task that segments all points of the specified object from a 3D point cloud described by a sentence of query. Previous works perform a two-stage paradigm, first conducting language-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Xuexun Liu , Xiaoxu Xu , Jinlong Li , Qiudan Zhang , Xu Wang , Nicu Sebe , Lin Ma

Labelling point clouds fully is highly time-consuming and costly. As larger point cloud datasets with billions of points become more common, we ask whether the full annotation is even necessary, demonstrating that existing baselines…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Qingyong Hu , Bo Yang , Guangchi Fang , Yulan Guo , Ales Leonardis , Niki Trigoni , Andrew Markham

Semantic segmentation is crucial in remote sensing, where high-resolution satellite images are segmented into meaningful regions. Recent advancements in deep learning have significantly improved satellite image segmentation. However, most…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Santiago Rivier , Carlos Hinojosa , Silvio Giancola , Bernard Ghanem

Deep learning-based methods are gaining traction in digital pathology, with an increasing number of publications and challenges that aim at easing the work of systematically and exhaustively analyzing tissue slides. These methods often…

Image and Video Processing · Electrical Eng. & Systems 2020-06-25 Ting-An Yen , Hung-Chun Hsu , Pushpak Pati , Maria Gabrani , Antonio Foncubierta-Rodríguez , Pau-Choo Chung

Point supervision has become a scalable solution to address dense annotation for infrared small target detection, but its performance is limited by two coupled bottlenecks: unstable pseudo-label evolution in cluttered, low-contrast infrared…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Zhu Liu , Yuanhang Yao , Ping Qian , Zihang Chen , Risheng Liu

Semantic segmentation is a core computer vision problem, but the high costs of data annotation have hindered its wide application. Weakly-Supervised Semantic Segmentation (WSSS) offers a cost-efficient workaround to extensive labeling in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Elham Ravanbakhsh , Cheng Niu , Yongqing Liang , J. Ramanujam , Xin Li

Competitive point cloud semantic segmentation results usually rely on a large amount of labeled data. However, data annotation is a time-consuming and labor-intensive task, particularly for three-dimensional point cloud data. Thus,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Puzuo Wang , Wei Yao

Learning dense point-wise semantics from unstructured 3D point clouds with fewer labels, although a realistic problem, has been under-explored in literature. While existing weakly supervised methods can effectively learn semantics with only…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Yan Liu , Qingyong Hu , Yinjie Lei , Kai Xu , Jonathan Li , Yulan Guo

We propose a novel approach to weakly supervised semantic segmentation, which consists of three consecutive steps. The first two steps extract high-quality pseudo masks from image-level annotated data, which are then used to train a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-16 Mariia Dobko , Ostap Viniavskyi , Oles Dobosevych

Image segmentation is one of the most essential biomedical image processing problems for different imaging modalities, including microscopy and X-ray in the Internet-of-Medical-Things (IoMT) domain. However, annotating biomedical images is…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Ziyuan Zhao , Zeng Zeng , Kaixin Xu , Cen Chen , Cuntai Guan

In quantum machine field, detecting two-dimensional (2D) materials in Silicon chips is one of the most critical problems. Instance segmentation can be considered as a potential approach to solve this problem. However, similar to other deep…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Xuan Bac Nguyen , Apoorva Bisht , Ben Thompson , Hugh Churchill , Khoa Luu , Samee U. Khan
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