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In industrial settings, weakly supervised (WS) methods are usually preferred over their fully supervised (FS) counterparts as they do not require costly manual annotations. Unfortunately, the segmentation masks obtained in the WS regime are…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Andrea Marelli , Luca Magri , Federica Arrigoni , Giacomo Boracchi

Weakly supervised semantic segmentation (WSSS) with image-level labels intends to achieve dense tasks without laborious annotations. However, due to the ambiguous contexts and fuzzy regions, the performance of WSSS, especially the stages of…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Zhiwei Yang , Yucong Meng , Kexue Fu , Shuo Wang , Zhijian Song

Recently, significant progress has been made on semantic segmentation. However, the success of supervised semantic segmentation typically relies on a large amount of labelled data, which is time-consuming and costly to obtain. Inspired by…

计算机视觉与模式识别 · 计算机科学 2021-08-26 Jianlong Yuan , Yifan Liu , Chunhua Shen , Zhibin Wang , Hao Li

We tackle biomedical image segmentation in the scenario of only a few labeled brain MR images. This is an important and challenging task in medical applications, where manual annotations are time-consuming. Current multi-atlas based…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Hyeon Woo Lee , Mert R. Sabuncu , Adrian V. Dalca

The pixel-wise dense prediction tasks based on weakly supervisions currently use Class Attention Maps (CAM) to generate pseudo masks as ground-truth. However, the existing methods typically depend on the painstaking training modules, which…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Yanpeng Sun , Zechao Li

Existing studies in weakly-supervised semantic segmentation (WSSS) using image-level weak supervision have several limitations: sparse object coverage, inaccurate object boundaries, and co-occurring pixels from non-target objects. To…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Seungho Lee , Minhyun Lee , Jongwuk Lee , Hyunjung Shim

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…

计算机视觉与模式识别 · 计算机科学 2019-11-20 Bingfeng Zhang , Jimin Xiao , Yunchao Wei , Mingjie Sun , Kaizhu Huang

Image segmentation, the process of partitioning an image into meaningful regions, plays a pivotal role in computer vision and medical imaging applications. Unsupervised segmentation, particularly in the absence of labeled data, remains a…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Kovvuri Sai Gopal Reddy , Bodduluri Saran , A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

Deep learning has revolutionized many computer vision fields in the last few years, including learning-based image compression. In this paper, we propose a deep semantic segmentation-based layered image compression (DSSLIC) framework in…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Mohammad Akbari , Jie Liang , Jingning Han

Semi-supervised semantic segmentation requires the model to effectively propagate the label information from limited annotated images to unlabeled ones. A challenge for such a per-pixel prediction task is the large intra-class variation,…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Hai-Ming Xu , Lingqiao Liu , Qiuchen Bian , Zhen Yang

Weakly supervised semantic segmentation (WSSS) in histopathology seeks to reduce annotation cost by learning from image-level labels, yet it remains limited by inter-class homogeneity, intra-class heterogeneity, and the region-shrinkage…

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

Semi-supervised semantic segmentation (SSS) aims at learning rich visual knowledge from cheap unlabeled images to enhance semantic segmentation capability. Among recent works, UniMatch improves its precedents tremendously by amplifying the…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Lihe Yang , Zhen Zhao , Hengshuang Zhao

In real-world scenarios, the performance of semantic segmentation often deteriorates when processing low-quality (LQ) images, which may lack clear semantic structures and high-frequency details. Although image restoration techniques offer a…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Kai Guan , Rongyuan Wu , Shuai Li , Wentao Zhu , Wenjun Zeng , Lei Zhang

Referring Image Segmentation (RIS) - the problem of identifying objects in images through natural language sentences - is a challenging task currently mostly solved through supervised learning. However, while collecting referred annotation…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Francisco Eiras , Kemal Oksuz , Adel Bibi , Philip H. S. Torr , Puneet K. Dokania

Moving objects can greatly jeopardize the performance of a visual simultaneous localization and mapping (vSLAM) system which relies on the static-world assumption. Motion removal have seen successful on solving this problem. Two main…

机器人学 · 计算机科学 2019-08-01 Ting Sun , Yuxiang Sun , Ming Liu , Dit-Yan Yeung

Unsupervised semantic segmentation aims to automatically partition images into semantically meaningful regions by identifying global semantic categories within an image corpus without any form of annotation. Building upon recent advances in…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Oliver Hahn , Nikita Araslanov , Simone Schaub-Meyer , Stefan Roth

Semantic segmentation aims to classify every pixel of an input image. Considering the difficulty of acquiring dense labels, researchers have recently been resorting to weak labels to alleviate the annotation burden of segmentation. However,…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Yazhou Yao , Tao Chen , Guosen Xie , Chuanyi Zhang , Fumin Shen , Qi Wu , Zhenmin Tang , Jian Zhang

Annotating lots of 3D medical images for training segmentation models is time-consuming. The goal of weakly supervised semantic segmentation is to train segmentation models without using any ground truth segmentation masks. Our work…

图像与视频处理 · 电气工程与系统科学 2024-04-23 Marius Schmidt-Mengin , Alexis Benichoux , Shibeshih Belachew , Nikos Komodakis , Nikos Paragios

While medical image segmentation is an important task for computer aided diagnosis, the high expertise requirement for pixelwise manual annotations makes it a challenging and time consuming task. Since conventional data augmentations do not…

图像与视频处理 · 电气工程与系统科学 2021-06-21 Dwarikanath Mahapatra , Ankur Singh