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Contrastive learning has shown outstanding performances in both supervised and unsupervised learning, and has recently been introduced to solve weakly supervised learning problems such as semi-supervised learning and noisy label learning.…

机器学习 · 计算机科学 2023-06-08 Jingyi Cui , Weiran Huang , Yifei Wang , Yisen Wang

Applied mathematics and machine computations have raised a lot of hope since the recent success of supervised learning. Many practitioners in industries have been trying to switch from their old paradigms to machine learning. Interestingly,…

机器学习 · 计算机科学 2022-09-26 Vivien Cabannes

Weakly-supervised object detection attempts to limit the amount of supervision by dispensing the need for bounding boxes, but still assumes image-level labels on the entire training set. In this work, we study the problem of training an…

计算机视觉与模式识别 · 计算机科学 2021-07-22 Zhaohui Yang , Miaojing Shi , Chao Xu , Vittorio Ferrari , Yannis Avrithis

The classic teacher-student model in machine learning posits that a strong teacher supervises a weak student to improve the student's capabilities. We instead consider the inverted situation, where a weak teacher supervises a strong student…

机器学习 · 计算机科学 2025-02-03 David X. Wu , Anant Sahai

Labeling training data is a key bottleneck in the modern machine learning pipeline. Recent weak supervision approaches combine labels from multiple noisy sources by estimating their accuracies without access to ground truth labels; however,…

机器学习 · 统计学 2019-03-15 Paroma Varma , Frederic Sala , Ann He , Alexander Ratner , Christopher Ré

We consider the task of training classifiers without labels. We propose a weakly supervised method---adversarial label learning---that trains classifiers to perform well against an adversary that chooses labels for training data. The weak…

机器学习 · 计算机科学 2019-01-31 Chidubem Arachie , Bert Huang

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

Currently, machine learning techniques have seen significant success across various applications. Most of these techniques rely on supervision from human-generated labels or a mixture of noisy and imprecise labels from multiple sources.…

计算与语言 · 计算机科学 2024-09-04 Yanbo Wang , Wenyu Chen , Shimin Shan

Large amounts of labeled training data are one of the main contributors to the great success that deep models have achieved in the past. Label acquisition for tasks other than benchmarks can pose a challenge due to requirements of both…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Clemens-Alexander Brust , Christoph Käding , Joachim Denzler

Long-tailed data is prevalent in real-world classification tasks and heavily relies on supervised information, which makes the annotation process exceptionally labor-intensive and time-consuming. Unfortunately, despite being a common…

机器学习 · 计算机科学 2024-12-04 Meng Wei , Zhongnian Li , Yong Zhou , Xinzheng Xu

Many datasets and approaches in ambient sound analysis use weakly labeled data.Weak labels are employed because annotating every data sample with a strong label is too expensive.Yet, their impact on the performance in comparison to strong…

声音 · 计算机科学 2020-12-08 Nicolas Turpault , Romain Serizel , Emmanuel Vincent

Machine learning approached through supervised learning requires expensive annotation of data. This motivates weakly supervised learning, where data are annotated with incomplete yet discriminative information. In this paper, we focus on…

机器学习 · 计算机科学 2021-07-16 Vivien Cabannes , Francis Bach , Alessandro Rudi

Limited labeled data is becoming the largest bottleneck for supervised learning systems. This is especially the case for many real-world tasks where large scale annotated examples are either too expensive to acquire or unavailable due to…

社会与信息网络 · 计算机科学 2020-05-28 Kai Shu , Ahmed Hassan Awadallah , Susan Dumais , Huan Liu

Training deep neural networks requires many training samples, but in practice training labels are expensive to obtain and may be of varying quality, as some may be from trusted expert labelers while others might be from heuristics or other…

机器学习 · 计算机科学 2018-05-24 Mostafa Dehghani , Arash Mehrjou , Stephan Gouws , Jaap Kamps , Bernhard Schölkopf

Weakly-supervised text classification aims to train a classifier using only class descriptions and unlabeled data. Recent research shows that keyword-driven methods can achieve state-of-the-art performance on various tasks. However, these…

计算与语言 · 计算机科学 2022-12-16 Tingyu Xia , Yue Wang , Yuan Tian , Yi Chang

An active learner is given a hypothesis class, a large set of unlabeled examples and the ability to interactively query labels to an oracle of a subset of these examples; the goal of the learner is to learn a hypothesis in the class that…

机器学习 · 计算机科学 2015-10-19 Chicheng Zhang , Kamalika Chaudhuri

Training deep neural networks requires many training samples, but in practice, training labels are expensive to obtain and may be of varying quality, as some may be from trusted expert labelers while others might be from heuristics or other…

信息检索 · 计算机科学 2018-06-25 Mostafa Dehghani , Jaap Kamps

Recent advances in large language models have shown capabilities that are extraordinary and near-superhuman. These models operate with such complexity that reliably evaluating and aligning them proves challenging for humans. This leads to…

机器学习 · 计算机科学 2024-10-24 Moses Charikar , Chirag Pabbaraju , Kirankumar Shiragur

Programmatic weak supervision creates models without hand-labeled training data by combining the outputs of heuristic labelers. Existing frameworks make the restrictive assumption that labelers output a single class label. Enabling users to…

机器学习 · 计算机科学 2022-03-28 Peilin Yu , Tiffany Ding , Stephen H. Bach

Most existing approaches to training object detectors rely on fully supervised learning, which requires the tedious manual annotation of object location in a training set. Recently there has been an increasing interest in developing weakly…

计算机视觉与模式识别 · 计算机科学 2017-05-03 Zhiyuan Shi , Parthipan Siva , Tao Xiang