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Compared with expensive pixel-wise annotations, image-level labels make it possible to learn semantic segmentation in a weakly-supervised manner. Within this pipeline, the class activation map (CAM) is obtained and further processed to…

计算机视觉与模式识别 · 计算机科学 2022-01-06 Jiawei Liu , Jing Zhang , Yicong Hong , Nick Barnes

Deep convolutional neural networks (DCNNs) trained on a large number of images with strong pixel-level annotations have recently significantly pushed the state-of-art in semantic image segmentation. We study the more challenging problem of…

计算机视觉与模式识别 · 计算机科学 2015-10-07 George Papandreou , Liang-Chieh Chen , Kevin Murphy , Alan L. Yuille

The goal in semi-supervised learning is to effectively combine labeled and unlabeled data. One way to do this is by encouraging smoothness across edges in a graph whose nodes correspond to input examples. In many graph-based methods, labels…

机器学习 · 计算机科学 2018-02-28 Nir Rosenfeld , Amir Globerson

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…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Nir Zabari , Yedid Hoshen

Low-shot learning methods for image classification support learning from sparse data. We extend these techniques to support dense semantic image segmentation. Specifically, we train a network that, given a small set of annotated images,…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Amirreza Shaban , Shray Bansal , Zhen Liu , Irfan Essa , Byron Boots

In this work, we for the first time present a method for detecting label errors in image datasets with semantic segmentation, i.e., pixel-wise class labels. Annotation acquisition for semantic segmentation datasets is time-consuming and…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Matthias Rottmann , Marco Reese

Training a deep neural model for semantic segmentation requires collecting a large amount of pixel-level labeled data. To alleviate the data scarcity problem presented in the real world, one could utilize synthetic data whose label is easy…

计算机视觉与模式识别 · 计算机科学 2021-11-10 Yiren Jian , Chongyang Gao

This paper presents a simple but performant semi-supervised semantic segmentation approach, called CorrMatch. Previous approaches mostly employ complicated training strategies to leverage unlabeled data but overlook the role of correlation…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Boyuan Sun , Yuqi Yang , Le Zhang , Ming-Ming Cheng , Qibin Hou

Point cloud semantic segmentation often requires largescale annotated training data, but clearly, point-wise labels are too tedious to prepare. While some recent methods propose to train a 3D network with small percentages of point labels,…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Zhengzhe Liu , Xiaojuan Qi , Chi-Wing Fu

Many interactive image segmentation techniques are based on semi-supervised learning. The user may label some pixels from each object and the SSL algorithm will propagate the labels from the labeled to the unlabeled pixels, finding object…

机器学习 · 计算机科学 2020-02-14 Fabricio Aparecido Breve

Weakly supervised semantic segmentation has been a subject of increased interest due to the scarcity of fully annotated images. We introduce a new approach for solving weakly supervised semantic segmentation with deep Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Rania Briq , Michael Moeller , Juergen Gall

Weakly supervised semantic segmentation (WSSS) trains dense pixel-level segmentation models from partial or coarse annotations such as bounding boxes, scribbles, or image-level tags. While recent work leverages foundation models such as the…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Stefano Colamonaco , Andrei-Bogdan Florea , Jaron Maene

Existing works on semantic segmentation typically consider a small number of labels, ranging from tens to a few hundreds. With a large number of labels, training and evaluation of such task become extremely challenging due to correlation…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Yufei Wang , Zhe Lin , Xiaohui Shen , Jianming Zhang , Scott Cohen

In this paper, we study weakly-supervised laparoscopic image segmentation with sparse annotations. We introduce a novel Bayesian deep learning approach designed to enhance both the accuracy and interpretability of the model's segmentation,…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Zhou Zheng , Yuichiro Hayashi , Masahiro Oda , Takayuki Kitasaka , Kensaku Mori

Fully supervised deep neural networks for segmentation usually require a massive amount of pixel-level labels which are manually expensive to create. In this work, we develop a multi-task learning method to relax this constraint. We regard…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Rihuan Ke , Aurélie Bugeau , Nicolas Papadakis , Mark Kirkland , Peter Schuetz , Carola-Bibiane Schönlieb

We consider the task of learning a classifier for semantic segmentation using weak supervision in the form of image labels which specify the object classes present in the image. Our method uses deep convolutional neural networks (CNNs) and…

计算机视觉与模式识别 · 计算机科学 2017-11-07 Qinbin Hou , Puneet Kumar Dokania , Daniela Massiceti , Yunchao Wei , Ming-Ming Cheng , Philip Torr

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

Nuclei segmentation is a fundamental task in histopathology image analysis. Typically, such segmentation tasks require significant effort to manually generate accurate pixel-wise annotations for fully supervised training. To alleviate such…

计算机视觉与模式识别 · 计算机科学 2020-07-13 Hui Qu , Pengxiang Wu , Qiaoying Huang , Jingru Yi , Zhennan Yan , Kang Li , Gregory M. Riedlinger , Subhajyoti De , Shaoting Zhang , Dimitris N. Metaxas

The success of modern deep learning algorithms for image segmentation heavily depends on the availability of large datasets with clean pixel-level annotations (masks), where the objects of interest are accurately delineated. Lack of time…

计算机视觉与模式识别 · 计算机科学 2021-02-17 Ekaterina Redekop , Alexey Chernyavskiy

In recent years, Convolutional Neural Networks (CNNs) have become the state-of-the-art method for biomedical image analysis. However, these networks are usually trained in a supervised manner, requiring large amounts of labelled training…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Nastassya Horlava , Alisa Mironenko , Sebastian Niehaus , Sebastian Wagner , Ingo Roeder , Nico Scherf