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Existing weak supervision approaches use all the data covered by weak signals to train a classifier. We show both theoretically and empirically that this is not always optimal. Intuitively, there is a tradeoff between the amount of…

机器学习 · 统计学 2023-03-08 Hunter Lang , Aravindan Vijayaraghavan , David Sontag

In this paper, we introduce a comprehensive framework for developing a machine learning-based SOAP (Subjective, Objective, Assessment, and Plan) classification system without manually SOAP annotated training data or with less manually SOAP…

计算与语言 · 计算机科学 2022-11-29 Sunjae Kwon , Zhichao Yang , Hong Yu

The requiring of large amounts of annotated training data has become a common constraint on various deep learning systems. In this paper, we propose a weakly supervised scene text detection method (WeText) that trains robust and accurate…

计算机视觉与模式识别 · 计算机科学 2017-10-16 Shangxuan Tian , Shijian Lu , Chongshou Li

The recent success of deep learning is mostly due to the availability of big datasets with clean annotations. However, gathering a cleanly annotated dataset is not always feasible due to practical challenges. As a result, label noise is a…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Görkem Algan , İlkay Ulusoy

Hierarchical text classification has many real-world applications. However, labeling a large number of documents is costly. In practice, we can use semi-supervised learning or weakly supervised learning (e.g., dataless classification) to…

机器学习 · 计算机科学 2019-02-26 Huiru Xiao , Xin Liu , Yangqiu Song

Finding relevant and high-quality datasets to train machine learning models is a major bottleneck for practitioners. Furthermore, to address ambitious real-world use-cases there is usually the requirement that the data come labelled with…

机器学习 · 计算机科学 2023-10-05 Georgios Papadopoulos , Fran Silavong , Sean Moran

Training deep neural networks requires massive amounts of training data, but for many tasks only limited labeled data is available. This makes weak supervision attractive, using weak or noisy signals like the output of heuristic methods or…

机器学习 · 计算机科学 2017-12-08 Mostafa Dehghani , Aliaksei Severyn , Sascha Rothe , Jaap Kamps

Using the data from loop detector sensors for near-real-time detection of traffic incidents in highways is crucial to averting major traffic congestion. While recent supervised machine learning methods offer solutions to incident detection…

机器学习 · 计算机科学 2022-08-04 Yixuan Sun , Tanwi Mallick , Prasanna Balaprakash , Jane Macfarlane

While deep learning has been incredibly successful in modeling tasks with large, carefully curated labeled datasets, its application to problems with limited labeled data remains a challenge. The aim of the present work is to improve the…

音频与语音处理 · 电气工程与系统科学 2019-10-29 Tyler Lee , Ting Gong , Suchismita Padhy , Andrew Rouditchenko , Anthony Ndirango

Weakly-supervised learning approaches have gained significant attention due to their ability to reduce the effort required for human annotations in training neural networks. This paper investigates a framework for weakly-supervised object…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Byeongkeun Kang , Sinhae Cha , Yeejin Lee

Existing methods for large-scale point cloud semantic segmentation require expensive, tedious and error-prone manual point-wise annotations. Intuitively, weakly supervised training is a direct solution to reduce the cost of labeling.…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Yachao Zhang , Zonghao Li , Yuan Xie , Yanyun Qu , Cuihua Li , Tao Mei

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

Programmatic Weak Supervision (PWS) enables supervised model training without direct access to ground truth labels, utilizing weak labels from heuristics, crowdsourcing, or pre-trained models. However, the absence of ground truth…

机器学习 · 统计学 2024-11-01 Felipe Maia Polo , Subha Maity , Mikhail Yurochkin , Moulinath Banerjee , Yuekai Sun

State-of-the-art weakly supervised text classification methods, while significantly reduced the required human supervision, still requires the supervision to cover all the classes of interest. This is never easy to meet in practice when…

计算与语言 · 计算机科学 2023-11-27 Tianle Wang , Zihan Wang , Weitang Liu , Jingbo Shang

The scarcity of data annotated at the desired level of granularity is a recurring issue in many applications. Significant amounts of effort have been devoted to developing weakly supervised methods tailored to each individual setting, which…

机器学习 · 计算机科学 2015-09-24 Ke Li , Jitendra Malik

Supervised learning of deep neural networks heavily relies on large-scale datasets annotated by high-quality labels. In contrast, mislabeled samples can significantly degrade the generalization of models and result in memorizing samples,…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Tsung-Ming Tai , Yun-Jie Jhang , Wen-Jyi Hwang

Feature selection is an important process in machine learning. It builds an interpretable and robust model by selecting the features that contribute the most to the prediction target. However, most mature feature selection algorithms,…

机器学习 · 计算机科学 2022-07-20 Zhifeng Qiu , Wanxin Zeng , Dahua Liao , Ning Gui

Real-world data often exhibit long-tailed distributions with numerous noisy labels, substantially degrading the performance of deep models. While prior research has made progress in addressing this combined challenge, it overlooks the…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Mengke Li , Haiquan Ling , Yiqun Zhang , Yang Lu , Hui Huang

Annotating datasets is one of the main costs in nowadays supervised learning. The goal of weak supervision is to enable models to learn using only forms of labelling which are cheaper to collect, as partial labelling. This is a type of…

机器学习 · 计算机科学 2021-02-02 Vivien Cabannes , Alessandro Rudi , Francis Bach

Active learning approaches in computer vision generally involve querying strong labels for data. However, previous works have shown that weak supervision can be effective in training models for vision tasks while greatly reducing annotation…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Sai Vikas Desai , Akshay L Chandra , Wei Guo , Seishi Ninomiya , Vineeth N Balasubramanian