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Histopathology image analysis plays a crucial role in cancer diagnosis. However, training a clinically applicable segmentation algorithm requires pathologists to engage in labour-intensive labelling. In contrast, weakly supervised learning…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Gang Xu , Shuhao Wang , Lingyu Zhao , Xiao Chen , Tongwei Wang , Lang Wang , Zhenwei Luo , Dahan Wang , Zewen Zhang , Aijun Liu , Wei Ba , Zhigang Song , Huaiyin Shi , Dingrong Zhong , Jianpeng Ma

As machine learning algorithms become increasingly sophisticated to exploit subtle features of the data, they often become more dependent on simulations. This paper presents a new approach called weakly supervised classification in which…

High Energy Physics - Phenomenology · Physics 2017-07-04 Lucio Mwinmaarong Dery , Benjamin Nachman , Francesco Rubbo , Ariel Schwartzman

The performance of object detection, to a great extent, depends on the availability of large annotated datasets. To alleviate the annotation cost, the research community has explored a number of ways to exploit unlabeled or weakly labeled…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Shijie Fang , Yuhang Cao , Xinjiang Wang , Kai Chen , Dahua Lin , Wayne Zhang

Most existing image-text matching methods adopt triplet loss as the optimization objective, and choosing a proper negative sample for the triplet of <anchor, positive, negative> is important for effectively training the model, e.g., hard…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Haoxuan Li , Yi Bin , Junrong Liao , Yang Yang , Heng Tao Shen

We consider the problem of classification of points sampled from an unknown probability measure on a Euclidean space. We study the question of querying the class label at a very small number of judiciously chosen points so as to be able to…

Machine Learning · Computer Science 2020-12-09 Alexander Cloninger , Hrushikesh Mhaskar

This paper proposes an approach to Dense Video Captioning (DVC) without pairwise event-sentence annotation. First, we adopt the knowledge distilled from relevant and well solved tasks to generate high-quality event proposals. Then we…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Bofeng Wu , Guocheng Niu , Jun Yu , Xinyan Xiao , Jian Zhang , Hua Wu

Weakly supervised object detection (WSOD) is a challenging task, in which image-level labels (e.g., categories of the instances in the whole image) are used to train an object detector. Many existing methods follow the standard multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Guanchun Wang , Xiangrong Zhang , Zelin Peng , Xu Tang , Huiyu Zhou , Licheng Jiao

Scribble-based weakly-supervised semantic segmentation using sparse scribble supervision is gaining traction as it reduces annotation costs when compared to fully annotated alternatives. Existing methods primarily generate pseudo-labels by…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Xinliang Zhang , Lei Zhu , Hangzhou He , Lujia Jin , Yanye Lu

Deep learning-based edge detectors heavily rely on pixel-wise labels which are often provided by multiple annotators. Existing methods fuse multiple annotations using a simple voting process, ignoring the inherent ambiguity of edges and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Caixia Zhou , Yaping Huang , Mengyang Pu , Qingji Guan , Li Huang , Haibin Ling

Weakly supervised instance segmentation has gained popularity because it reduces high annotation cost of pixel-level masks required for model training. Recent approaches for weakly supervised instance segmentation detect and segment objects…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Jun Ikeda , Junichiro Mori

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…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Bingfeng Zhang , Jimin Xiao , Yunchao Wei , Mingjie Sun , Kaizhu Huang

Localizing functional regions of objects or affordances is an important aspect of scene understanding. In this work, we cast the problem of affordance segmentation as that of semantic image segmentation. In order to explore various levels…

Computer Vision and Pattern Recognition · Computer Science 2016-08-01 Abhilash Srikantha , Juergen Gall

Weak signal identification and inference are very important in the area of penalized model selection, yet they are under-developed and not well-studied. Existing inference procedures for penalized estimators are mainly focused on strong…

Methodology · Statistics 2016-11-16 Peibei Shi , Annie Qu

Various methods have been proposed to detect objects while reducing the cost of data annotation. For instance, weakly supervised object detection (WSOD) methods rely only on image-level annotations during training. Unfortunately, data…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Eduardo Hugo Sanchez

Imbalanced response variable distribution is a common occurrence in data science. In fields such as fraud detection, medical diagnostics, system intrusion detection and many others where abnormal behavior is rarely observed the data under…

Machine Learning · Computer Science 2019-11-21 Firuz Kamalov

In recent years, the performance of object detection has advanced significantly with the evolving deep convolutional neural networks. However, the state-of-the-art object detection methods still rely on accurate bounding box annotations…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Qingyi Tao , Hao Yang , Jianfei Cai

Addressing the annotation challenge in 3D Point Cloud segmentation has inspired research into weakly supervised learning. Existing approaches mainly focus on exploiting manifold and pseudo-labeling to make use of large unlabeled data…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Yongyi Su , Xun Xu , Kui Jia

Due to the costliness of labelled data in real-world applications, semi-supervised learning, underpinned by pseudo labelling, is an appealing solution. However, handling confusing samples is nontrivial: discarding valuable confusing samples…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Changrui Chen , Jungong Han , Kurt Debattista

Weakly supervised point cloud semantic segmentation methods that require 1\% or fewer labels, hoping to realize almost the same performance as fully supervised approaches, which recently, have attracted extensive research attention. A…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Tianfang Sun , Zhizhong Zhang , Xin Tan , Yanyun Qu , Yuan Xie , Lizhuang Ma

One of the most time-consuming tasks for developers is the comprehension of new code bases. An effective approach to aid this process is to label source code files with meaningful annotations, which can help developers understand the…

Software Engineering · Computer Science 2023-12-01 Cezar Sas , Andrea Capiluppi