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Weakly-Supervised Concealed Object Segmentation (WSCOS) aims to segment objects well blended with surrounding environments using sparsely-annotated data for model training. It remains a challenging task since (1) it is hard to distinguish…

计算机视觉与模式识别 · 计算机科学 2023-05-19 Chunming He , Kai Li , Yachao Zhang , Guoxia Xu , Longxiang Tang , Yulun Zhang , Zhenhua Guo , Xiu Li

Lesion segmentation in medical imaging serves as an effective tool for assessing tumor sizes and monitoring changes in growth. However, not only is manual lesion segmentation time-consuming, but it is also expensive and requires expert…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers

Weakly supervised semantic segmentation (WSSS) using only image-level labels can greatly reduce the annotation cost and therefore has attracted considerable research interest. However, its performance is still inferior to the fully…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Qi Yao , Xiaojin Gong

Recently proposed methods for weakly-supervised semantic segmentation have achieved impressive performance in predicting pixel classes despite being trained with only image labels which lack positional information. Because image annotations…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Lyndon Chan , Mahdi S. Hosseini , Konstantinos N. Plataniotis

Obtaining pixel-level annotations over large spatial extents remains a major bottleneck for deploying machine learning in ecological applications. Here we present a multi-scale weakly supervised semantic segmentation (WSSS) framework that…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Matteo Contini , Victor Illien , Sylvain Poulain , Serge Bernard , Julien Barde , Sylvain Bonhommeau , Alexis Joly

Weakly supervised semantic segmentation (WSSS) has gained significant popularity since it relies only on weak labels such as image level annotations rather than pixel level annotations required by supervised semantic segmentation (SSS)…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Kunhao Yuan , Gerald Schaefer , Yu-Kun Lai , Yifan Wang , Xiyao Liu , Lin Guan , Hui Fang

Weakly-supervised learning has attracted growing research attention on medical lesions segmentation due to significant saving in pixel-level annotation cost. However, 1) most existing methods require effective prior and constraints to…

计算机视觉与模式识别 · 计算机科学 2020-12-09 Jiahua Dong , Yang Cong , Gan Sun , Yunsheng Yang , Xiaowei Xu , Zhengming Ding

Deep neural networks usually require accurate and a large number of annotations to achieve outstanding performance in medical image segmentation. One-shot segmentation and weakly-supervised learning are promising research directions that…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Wenhui Lei , Qi Su , Ran Gu , Na Wang , Xinglong Liu , Guotai Wang , Xiaofan Zhang , Shaoting Zhang

Providing pixel-level supervisions for scene text segmentation is inherently difficult and costly, so that only few small datasets are available for this task. To face the scarcity of training data, previous approaches based on…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Simone Bonechi , Paolo Andreini , Monica Bianchini , Franco Scarselli

This work aims to leverage pre-trained foundation models, such as contrastive language-image pre-training (CLIP) and segment anything model (SAM), to address weakly supervised semantic segmentation (WSSS) using image-level labels. To this…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Xiaobo Yang , Xiaojin Gong

State-of-the-art techniques in weakly-supervised semantic segmentation (WSSS) using image-level labels exhibit severe performance degradation on driving scene datasets such as Cityscapes. To address this challenge, we develop a new WSSS…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Dongseob Kim , Seungho Lee , Junsuk Choe , Hyunjung Shim

Weakly supervised semantic segmentation (WSSS) aims to produce pixel-wise class predictions with only image-level labels for training. To this end, previous methods adopt the common pipeline: they generate pseudo masks from class activation…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Sungpil Kho , Pilhyeon Lee , Wonyoung Lee , Minsong Ki , Hyeran Byun

Deep learning-based medical image segmentation helps assist diagnosis and accelerate the treatment process while the model training usually requires large-scale dense annotation datasets. Weakly semi-supervised medical image segmentation is…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Shiman Li , Jiayue Zhao , Shaolei Liu , Xiaokun Dai , Chenxi Zhang , Zhijian Song

Automated nodule segmentation is essential for computer-assisted diagnosis in ultrasound images. Nevertheless, most existing methods depend on precise pixel-level annotations by medical professionals, a process that is both costly and…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Xingyue Zhao , Peiqi Li , Xiangde Luo , Meng Yang , Shi Chang , Zhongyu Li

Over 300 million people worldwide are affected by various retinal diseases. By noninvasive Optical Coherence Tomography (OCT) scans, a number of abnormal structural changes in the retina, namely retinal lesions, can be identified. Automated…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Yue Wu , Yang Zhou , Jianchun Zhao , Jingyuan Yang , Weihong Yu , Youxin Chen , Xirong Li

Weakly supervised semantic segmentation receives much research attention since it alleviates the need to obtain a large amount of dense pixel-wise ground-truth annotations for the training images. Compared with other forms of weak…

计算机视觉与模式识别 · 计算机科学 2018-03-08 Tianyi Zhang , Guosheng Lin , Jianfei Cai , Tong Shen , Chunhua Shen , Alex C. Kot

Building a large image dataset with high-quality object masks for semantic segmentation is costly and time consuming. In this paper, we introduce a principled semi-supervised framework that only uses a small set of fully supervised images…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Mostafa S. Ibrahim , Arash Vahdat , Mani Ranjbar , William G. Macready

Few-shot semantic segmentation (FSS) offers immense potential in the field of medical image analysis, enabling accurate object segmentation with limited training data. However, existing FSS techniques heavily rely on annotated semantic…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Sanaz Karimijafarbigloo , Reza Azad , Dorit Merhof

Weakly-Supervised Semantic Segmentation (WSSS) aims to train segmentation models using image data with only image-level supervision. Since precise pixel-level annotations are not accessible, existing methods typically focus on producing…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Ci-Siang Lin , Chien-Yi Wang , Yu-Chiang Frank Wang , Min-Hung Chen

Weakly supervised segmentation methods can delineate thyroid nodules in ultrasound images efficiently using training data with coarse labels, but suffer from: 1) low-confidence pseudo-labels that follow topological priors, introducing…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Jianning Chi , Zelan Li , Geng Lin , MingYang Sun , Xiaosheng Yu