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Self-supervised representation learning approaches have recently surpassed their supervised learning counterparts on downstream tasks like object detection and image classification. Somewhat mysteriously the recent gains in performance come…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Senthil Purushwalkam , Abhinav Gupta

Reducing the amount of labels required to train convolutional neural networks without performance degradation is key to effectively reduce human annotation efforts. We propose Reliable Label Bootstrapping (ReLaB), an unsupervised…

计算机视觉与模式识别 · 计算机科学 2021-02-26 Paul Albert , Diego Ortego , Eric Arazo , Noel E. O'Connor , Kevin McGuinness

Training a classifier on web-crawled data demands learning algorithms that are robust to annotation errors and irrelevant examples. This paper builds upon the recent empirical observation that applying unsupervised contrastive learning to…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Paul Albert , Jack Valmadre , Eric Arazo , Tarun Krishna , Noel E. O'Connor , Kevin McGuinness

We consider the problem of training a model under the presence of label noise. Current approaches identify samples with potentially incorrect labels and reduce their influence on the learning process by either assigning lower weights to…

机器学习 · 计算机科学 2019-06-04 Duc Tam Nguyen , Thi-Phuong-Nhung Ngo , Zhongyu Lou , Michael Klar , Laura Beggel , Thomas Brox

Self-supervised Contrastive Learning (CL) has been recently shown to be very effective in preventing deep networks from overfitting noisy labels. Despite its empirical success, the theoretical understanding of the effect of contrastive…

机器学习 · 计算机科学 2022-07-06 Yihao Xue , Kyle Whitecross , Baharan Mirzasoleiman

Noisy labels, resulting from mistakes in manual labeling or webly data collecting for supervised learning, can cause neural networks to overfit the misleading information and degrade the generalization performance. Self-supervised learning…

机器学习 · 计算机科学 2021-11-02 Cheng Tan , Jun Xia , Lirong Wu , Stan Z. Li

Unsupervised meta-learning aims to learn generalizable knowledge across a distribution of tasks constructed from unlabeled data. Here, the main challenge is how to construct diverse tasks for meta-learning without label information; recent…

机器学习 · 计算机科学 2023-03-03 Huiwon Jang , Hankook Lee , Jinwoo Shin

Noisy labels are ubiquitous in real-world datasets, especially in the large-scale ones derived from crowdsourcing and web searching. It is challenging to train deep neural networks with noisy datasets since the networks are prone to…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Yangdi Lu , Wenbo He

This paper focuses on the weakly-supervised audio-visual video parsing task, which aims to recognize all events belonging to each modality and localize their temporal boundaries. This task is challenging because only overall labels…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Haoyue Cheng , Zhaoyang Liu , Hang Zhou , Chen Qian , Wayne Wu , Limin Wang

Contrastive unsupervised learning has recently shown encouraging progress, e.g., in Momentum Contrast (MoCo) and SimCLR. In this note, we verify the effectiveness of two of SimCLR's design improvements by implementing them in the MoCo…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Xinlei Chen , Haoqi Fan , Ross Girshick , Kaiming He

Learning visual representations through self-supervision is an extremely challenging task as the network needs to sieve relevant patterns from spurious distractors without the active guidance provided by supervision. This is achieved…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Fatemeh Saleh , Fuwen Tan , Adrian Bulat , Georgios Tzimiropoulos , Brais Martinez

Since convolutional neural networks (CNNs) can easily overfit noisy labels, which are ubiquitous in visual classification tasks, it has been a great challenge to train CNNs against them robustly. Various methods have been proposed for this…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Yongqi Zhang , Hui Zhang , Quanming Yao , Jun Wan

Deep learning with noisy labels is an interesting challenge in weakly supervised learning. Despite their significant learning capacity, CNNs have a tendency to overfit in the presence of samples with noisy labels. Alleviating this issue,…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Yan Han , Soumava Kumar Roy , Mehrtash Harandi , Lars Petersson

Due to abundance of data from multiple modalities, cross-modal retrieval tasks with image-text, audio-image, etc. are gaining increasing importance. Of the different approaches proposed, supervised methods usually give significant…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Devraj Mandal , Pramod Rao , Soma Biswas

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…

计算机视觉与模式识别 · 计算机科学 2015-04-16 Scott Reed , Honglak Lee , Dragomir Anguelov , Christian Szegedy , Dumitru Erhan , Andrew Rabinovich

Training deep networks with noisy labels leads to poor generalization and degraded accuracy due to overfitting to label noise. Existing approaches for learning with noisy labels often rely on the availability of a clean subset of data. By…

机器学习 · 计算机科学 2025-11-27 David Szczecina , Nicholas Pellegrino , Paul Fieguth

Multimodal deep learning systems which employ multiple modalities like text, image, audio, video, etc., are showing better performance in comparison with individual modalities (i.e., unimodal) systems. Multimodal machine learning involves…

机器学习 · 计算机科学 2022-01-19 Anil Rahate , Rahee Walambe , Sheela Ramanna , Ketan Kotecha

Many machine learning models have been built to tackle information overload issues on Massive Open Online Courses (MOOC) platforms. These models rely on learning powerful representations of MOOC entities. However, they suffer from the…

机器学习 · 计算机科学 2021-07-13 Shalini Pandey , Jaideep Srivastava

Audio-visual representation learning is an important task from the perspective of designing machines with the ability to understand complex events. To this end, we propose a novel multimodal framework that instantiates multiple instance…

计算机视觉与模式识别 · 计算机科学 2018-07-10 Sanjeel Parekh , Slim Essid , Alexey Ozerov , Ngoc Q. K. Duong , Patrick Pérez , Gaël Richard

In continual learning, a system must incrementally learn from a non-stationary data stream without catastrophic forgetting. Recently, multiple methods have been devised for incrementally learning classes on large-scale image classification…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Jhair Gallardo , Tyler L. Hayes , Christopher Kanan