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Fully convolutional networks (FCN) have achieved great success in human parsing in recent years. In conventional human parsing tasks, pixel-level labeling is required for guiding the training, which usually involves enormous human labeling…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Zhonghua Wu , Guosheng Lin , Jianfei Cai

Noisy label problems are inevitably in existence within medical image segmentation causing severe performance degradation. Previous segmentation methods for noisy label problems only utilize a single image while the potential of leveraging…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Beilei Cui , Minqing Zhang , Mengya Xu , An Wang , Wu Yuan , Hongliang Ren

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,…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Yazhou Yao , Tao Chen , Guosen Xie , Chuanyi Zhang , Fumin Shen , Qi Wu , Zhenmin Tang , Jian Zhang

In this paper, we study the problem of learning from weakly labeled data, where labels of the training examples are incomplete. This includes, for example, (i) semi-supervised learning where labels are partially known; (ii) multi-instance…

Machine Learning · Computer Science 2020-07-07 Yu-Feng Li , Ivor W. Tsang , James T. Kwok , Zhi-Hua Zhou

Webly supervised learning becomes attractive recently for its efficiency in data expansion without expensive human labeling. However, adopting search queries or hashtags as web labels of images for training brings massive noise that…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Jingkang Yang , Weirong Chen , Litong Feng , Xiaopeng Yan , Huabin Zheng , Wayne Zhang

In noisy label learning, estimating noisy class posteriors plays a fundamental role for developing consistent classifiers, as it forms the basis for estimating clean class posteriors and the transition matrix. Existing methods typically…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Rui Zhao , Bin Shi , Jianfei Ruan , Tianze Pan , Bo Dong

Recent advances in deep learning have relied on large, labelled datasets to train high-capacity models. However, collecting large datasets in a time- and cost-efficient manner often results in label noise. We present a method for learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Ahmet Iscen , Jack Valmadre , Anurag Arnab , Cordelia Schmid

Object parsing -- the task of decomposing an object into its semantic parts -- has traditionally been formulated as a category-level segmentation problem. Consequently, when there are multiple objects in an image, current methods cannot…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Qizhu Li , Anurag Arnab , Philip H. S. Torr

Deep learning architectures exhibit a critical drop of performance due to catastrophic forgetting when they are required to incrementally learn new tasks. Contemporary incremental learning frameworks focus on image classification and object…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Umberto Michieli , Pietro Zanuttigh

Pixel-level Scene Understanding is one of the fundamental problems in computer vision, which aims at recognizing object classes, masks and semantics of each pixel in the given image. Compared with image scene parsing, video scene parsing…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Biao Wu , Diankai Zhang , Si Gao , Chengjian Zheng , Shaoli Liu , Ning Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Rihuan Ke , Aurélie Bugeau , Nicolas Papadakis , Mark Kirkland , Peter Schuetz , Carola-Bibiane Schönlieb

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

The fact that there exists a gap between low-level features and semantic meanings of images, called the semantic gap, is known for decades. Resolution of the semantic gap is a long standing problem. The semantic gap problem is reviewed and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Jiali Duan , C. -C. Jay Kuo

Current state-of-the-art deep learning systems for visual object recognition and detection use purely supervised training with regularization such as dropout to avoid overfitting. The performance depends critically on the amount of labeled…

Computer Vision and Pattern Recognition · Computer Science 2015-04-16 Scott Reed , Honglak Lee , Dragomir Anguelov , Christian Szegedy , Dumitru Erhan , Andrew Rabinovich

High-quality pixel-level annotations are essential for the semantic segmentation of remote sensing imagery. However, such labels are expensive to obtain and often affected by noise due to the labor-intensive and time-consuming nature of…

We present a novel data-efficient semi-supervised framework to improve the generalization of image captioning models. Constructing a large-scale labeled image captioning dataset is an expensive task in terms of labor, time, and cost. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-27 Dong-Jin Kim , Tae-Hyun Oh , Jinsoo Choi , In So Kweon

Labeling objects at a subordinate level typically requires expert knowledge, which is not always available when using random annotators. As such, learning directly from web images for fine-grained recognition has attracted broad attention.…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Huafeng Liu , Chuanyi Zhang , Yazhou Yao , Xiushen Wei , Fumin Shen , Jian Zhang , Zhenmin Tang

Graph Neural Networks (GNNs) have achieved promising results for semi-supervised learning tasks on graphs such as node classification. Despite the great success of GNNs, many real-world graphs are often sparsely and noisily labeled, which…

Machine Learning · Computer Science 2021-06-10 Enyan Dai , Charu Aggarwal , Suhang Wang

Because deep learning is vulnerable to noisy labels, sample selection techniques, which train networks with only clean labeled data, have attracted a great attention. However, if the labels are dominantly corrupted by few classes, these…

Machine Learning · Computer Science 2021-07-16 Kyeongbo Kong , Junggi Lee , Youngchul Kwak , Young-Rae Cho , Seong-Eun Kim , Woo-Jin Song

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…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Mostafa S. Ibrahim , Arash Vahdat , Mani Ranjbar , William G. Macready