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Related papers: 3D Guided Weakly Supervised Semantic Segmentation

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We show that it is possible to learn semantic segmentation from very limited amounts of manual annotations, by enforcing geometric 3D constraints between multiple views. More exactly, image locations corresponding to the same physical 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit

It is generally accepted that one of the critical parts of current vision algorithms based on deep learning and convolutional neural networks is the annotation of a sufficient number of images to achieve competitive performance. This is…

Computer Vision and Pattern Recognition · Computer Science 2021-03-05 Kai Yao , Alberto Ortiz , Francisco Bonnin-Pascual

Recently, sparsely-supervised 3D object detection has gained great attention, achieving performance close to fully-supervised 3D objectors while requiring only a few annotated instances. Nevertheless, these methods suffer challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Shijia Zhao , Qiming Xia , Xusheng Guo , Pufan Zou , Maoji Zheng , Hai Wu , Chenglu Wen , Cheng Wang

Semantic segmentation is a key computer vision task that has been actively researched for decades. In recent years, supervised methods have reached unprecedented accuracy, however they require many pixel-level annotations for every new…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Nir Zabari , Yedid Hoshen

Limited by expensive pixel-level labels, polyp segmentation models are plagued by data shortage and suffer from impaired generalization. In contrast, polyp bounding box annotations are much cheaper and more accessible. Thus, to reduce…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Jun Wei , Yiwen Hu , Shuguang Cui , S. Kevin Zhou , Zhen Li

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…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Juan Wang , Yasutomo Kawanishi , Tomo Miyazaki , Zhijie Wang , Shinichiro Omachi

Traditional supervised medical image segmentation models require large amounts of labeled data for training; however, obtaining such large-scale labeled datasets in the real world is extremely challenging. Recent semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Yunyao Lu , Yihang Wu , Reem Kateb , Ahmad Chaddad

Reliable classification and detection of certain medical conditions, in images, with state-of-the-art semantic segmentation networks, require vast amounts of pixel-wise annotation. However, the public availability of such datasets is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Erik Ostrowski , Bharath Srinivas Prabakaran , Muhammad Shafique

Scribble-based weakly supervised semantic segmentation leverages only a few annotated pixels as labels to train a segmentation model, presenting significant potential for reducing the human labor involved in the annotation process. This…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Xinliang Zhang , Lei Zhu , Shuang Zeng , Hangzhou He , Ourui Fu , Zhengjian Yao , Zhaoheng Xie , Yanye Lu

Semi-supervised learning is a challenging problem which aims to construct a model by learning from limited labeled examples. Numerous methods for this task focus on utilizing the predictions of unlabeled instances consistency alone to…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Peng Tu , Yawen Huang , Feng Zheng , Zhenyu He , Liujun Cao , Ling Shao

Weakly supervised point cloud segmentation, i.e. semantically segmenting a point cloud with only a few labeled points in the whole 3D scene, is highly desirable due to the heavy burden of collecting abundant dense annotations for the model…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Zhonghua Wu , Yicheng Wu , Guosheng Lin , Jianfei Cai , Chen Qian

Despite the remarkable performance of supervised medical image segmentation models, relying on a large amount of labeled data is impractical in real-world situations. Semi-supervised learning approaches aim to alleviate this challenge using…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Yunyao Lu , Yihang Wu , Ahmad Chaddad , Tareef Daqqaq , Reem Kateb

Weakly-supervised methods typically guided the pixel-wise training by comparing the predictions to single-level labels containing diverse segmentation-related information at once, but struggled to represent delicate feature differences…

Image and Video Processing · Electrical Eng. & Systems 2025-07-03 Jianning Chi , Zelan Li , Huixuan Wu , Wenjun Zhang , Ying Huang

Medical image segmentation is almost the most important pre-processing procedure in computer-aided diagnosis but is also a very challenging task due to the complex shapes of segments and various artifacts caused by medical imaging, (i.e.,…

Image and Video Processing · Electrical Eng. & Systems 2023-04-26 Hao Du , Qihua Dong , Yan Xu , Jing Liao

Few-shot learning is a promising way for reducing the label cost in new categories adaptation with the guidance of a small, well labeled support set. But for few-shot semantic segmentation, the pixel-level annotations of support images are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Jing Wang , Yuang Liu , Qiang Zhou , Fan Wang

Few-shot semantic segmentation addresses the learning task in which only few images with ground truth pixel-level labels are available for the novel classes of interest. One is typically required to collect a large mount of data (i.e., base…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Yuan-Hao Lee , Fu-En Yang , Yu-Chiang Frank Wang

Segmentation of objects of interest is one of the central tasks in medical image analysis, which is indispensable for quantitative analysis. When developing machine-learning based methods for automated segmentation, manual annotations are…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Hang Li , Dong Wei , Shilei Cao , Kai Ma , Liansheng Wang , Yefeng Zheng

This work addresses the task of completely weakly supervised class-incremental learning for semantic segmentation to learn segmentation for both base and additional novel classes using only image-level labels. While class-incremental…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 David Minkwan Kim , Soeun Lee , Byeongkeun Kang

Recently, several weakly supervised learning methods have been devoted to utilize bounding box supervision for training deep semantic segmentation models. Most existing methods usually leverage the generic proposal generators (e.g., dense…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Chaohao Xie , Dongwei Ren , Lei Wang , Wangmeng Zuo

Image-level weakly-supervised semantic segmentation (WSSS) reduces the usually vast data annotation cost by surrogate segmentation masks during training. The typical approach involves training an image classification network using global…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Arvi Jonnarth , Yushan Zhang , Michael Felsberg