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Weakly supervised learning has emerged as an appealing alternative to alleviate the need for large labeled datasets in semantic segmentation. Most current approaches exploit class activation maps (CAMs), which can be generated from…

计算机视觉与模式识别 · 计算机科学 2022-01-17 Gaurav Patel , Jose Dolz

Weakly supervised data are widespread and have attracted much attention. However, since label quality is often difficult to guarantee, sometimes the use of weakly supervised data will lead to unsatisfactory performance, i.e., performance…

机器学习 · 计算机科学 2019-04-23 Lan-Zhe Guo , Yu-Feng Li , Ming Li , Jin-Feng Yi , Bo-Wen Zhou , Zhi-Hua Zhou

This paper focuses on the unsupervised domain adaptation of transferring the knowledge from the source domain to the target domain in the context of semantic segmentation. Existing approaches usually regard the pseudo label as the ground…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Zhedong Zheng , Yi Yang

Semantic segmentation is a challenging task in the absence of densely labelled data. Only relying on class activation maps (CAM) with image-level labels provides deficient segmentation supervision. Prior works thus consider pre-trained…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Lian Xu , Wanli Ouyang , Mohammed Bennamoun , Farid Boussaid , Ferdous Sohel , Dan Xu

Semantic segmentation has been a long standing challenging task in computer vision. It aims at assigning a label to each image pixel and needs significant number of pixellevel annotated data, which is often unavailable. To address this…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Nasim Souly , Concetto Spampinato , Mubarak Shah

Both limited annotation and domain shift are significant challenges frequently encountered in medical image segmentation, leading to derivative scenarios like semi-supervised medical (SSMIS), semi-supervised medical domain generalization…

计算机视觉与模式识别 · 计算机科学 2025-10-30 Wei Li , Pengcheng Zhou , Linye Ma , Wenyi Zhao , Huihua Yang , Yuchen Guo

Most approaches in few-shot learning rely on costly annotated data related to the goal task domain during (pre-)training. Recently, unsupervised meta-learning methods have exchanged the annotation requirement for a reduction in few-shot…

机器学习 · 计算机科学 2020-06-23 Carlos Medina , Arnout Devos , Matthias Grossglauser

Scene Parsing is a crucial step to enable autonomous systems to understand and interact with their surroundings. Supervised deep learning methods have made great progress in solving scene parsing problems, however, come at the cost of…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Keng-Chi Liu , Yi-Ting Shen , Jan P. Klopp , Liang-Gee Chen

Accurate segmentation of vertebral metastasis in CT is clinically important yet difficult to scale, as voxel-level annotations are scarce and both lytic and blastic lesions often resemble benign degenerative changes. We introduce a 2D…

Weak supervision learning on classification labels has demonstrated high performance in various tasks, while a few pixel-level fine annotations are also affordable. Naturally a question comes to us that whether the combination of…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Jiahui Li , Wen Chen , Xiaodi Huang , Zhiqiang Hu , Qi Duan , Hongsheng Li , Dimitris N. Metaxas , Shaoting Zhang

We consider weakly supervised segmentation where only a fraction of pixels have ground truth labels (scribbles) and focus on a self-labeling approach optimizing relaxations of the standard unsupervised CRF/Potts loss on unlabeled pixels.…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Zhongwen Zhang , Yuri Boykov

Detecting medical conditions from speech acoustics is fundamentally a weakly-supervised learning problem: a single, often noisy, session-level label must be linked to nuanced patterns within a long, complex audio recording. This task is…

声音 · 计算机科学 2026-04-21 Xingyuan Li , Mengyue Wu

Fully supervised change detection methods require difficult to procure pixel-level labels, while weakly supervised approaches can be trained with image-level labels. However, most of these approaches require a combination of changed and…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Philipp Andermatt , Radu Timofte

Weakly-supervised semantic segmentation aims to assign each pixel a semantic category under weak supervisions, such as image-level tags. Most of existing weakly-supervised semantic segmentation methods do not use any feedback from…

计算机视觉与模式识别 · 计算机科学 2019-05-30 Zhengqiang Zhang , Shujian Yu , Shi Yin , Qinmu Peng , Xinge You

While significant attention has been recently focused on designing supervised deep semantic segmentation algorithms for vision tasks, there are many domains in which sufficient supervised pixel-level labels are difficult to obtain. In this…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Xide Xia , Brian Kulis

Deep learning usually requires large amounts of labeled training data, but annotating data is costly and tedious. The framework of semi-supervised learning provides the means to use both labeled data and arbitrary amounts of unlabeled data…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Christoph Baur , Shadi Albarqouni , Nassir Navab

Despite signi cant progress in semi-supervised medical image segmentation, most existing segmentation networks overlook e ective methodological guidance for feature extraction and important prior information from datasets. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Junying Meng , Gangxuan Zhou , Jun Liu , Weihong Guo

Semi-supervised learning frameworks usually adopt mutual learning approaches with multiple submodels to learn from different perspectives. To avoid transferring erroneous pseudo labels between these submodels, a high threshold is usually…

计算机视觉与模式识别 · 计算机科学 2023-01-11 Hao Xu , Hui Xiao , Huazheng Hao , Li Dong , Xiaojie Qiu , Chengbin Peng

Automated segmentation of multiple sclerosis (MS) lesions from MRI scans is important to quantify disease progression. In recent years, convolutional neural networks (CNNs) have shown top performance for this task when a large amount of…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Jiacheng Wang , Hao Li , Han Liu , Dewei Hu , Daiwei Lu , Keejin Yoon , Kelsey Barter , Francesca Bagnato , Ipek Oguz

With the rapid advancement of deep learning, computational pathology has made significant progress in cancer diagnosis and subtyping. Tissue segmentation is a core challenge, essential for prognosis and treatment decisions. Weakly…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Hongyi Wu , Hong Zhang