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Modern neural networks have the capacity to overfit noisy labels frequently found in real-world datasets. Although great progress has been made, existing techniques are limited in providing theoretical guarantees for the performance of the…

机器学习 · 计算机科学 2020-11-17 Baharan Mirzasoleiman , Kaidi Cao , Jure Leskovec

The popularity of self-supervised learning has made it possible to train models without relying on labeled data, which saves expensive annotation costs. However, most existing self-supervised contrastive learning methods often overlook the…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Weiquan Li , Xianzhong Long , Yun Li

Learning with curriculum has shown great effectiveness in tasks where the data contains noisy (corrupted) labels, since the curriculum can be used to re-weight or filter out noisy samples via proper design. However, obtaining curriculum…

机器学习 · 计算机科学 2020-12-29 Mengying Sun , Jing Xing , Bin Chen , Jiayu Zhou

Due to the veracity and heterogeneity in network traffic, detecting anomalous events is challenging. The computational load on global servers is a significant challenge in terms of efficiency, accuracy, and scalability. Our primary…

机器学习 · 计算机科学 2023-03-15 William Marfo , Deepak K. Tosh , Shirley V. Moore

We present two approaches that use unlabeled data to improve sequence learning with recurrent networks. The first approach is to predict what comes next in a sequence, which is a conventional language model in natural language processing.…

机器学习 · 计算机科学 2015-11-05 Andrew M. Dai , Quoc V. Le

We present an approach to effectively use millions of images with noisy annotations in conjunction with a small subset of cleanly-annotated images to learn powerful image representations. One common approach to combine clean and noisy data…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Andreas Veit , Neil Alldrin , Gal Chechik , Ivan Krasin , Abhinav Gupta , Serge Belongie

In many real-life tasks of application of supervised learning approaches, all the training data are not available at the same time. The examples are lifelong image classification or recognition of environmental objects during interaction of…

机器学习 · 计算机科学 2020-06-15 Miltiadis Poursanidis , Jenny Benois-Pineau , Akka Zemmari , Boris Mansenca , Aymar de Rugy

Graph Neural Networks (GNNs) have emerged as a powerful tool for representation learning on graphs, but they often suffer from overfitting and label noise issues, especially when the data is scarce or imbalanced. Different from the paradigm…

机器学习 · 计算机科学 2023-12-15 Yifan Li , Zhen Tan , Kai Shu , Zongsheng Cao , Yu Kong , Huan Liu

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

Large-scale labeled data are generally required to train deep neural networks in order to obtain better performance in visual feature learning from images or videos for computer vision applications. To avoid extensive cost of collecting and…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Longlong Jing , Yingli Tian

Supervised learning usually requires a large amount of labelled data. However, attaining ground-truth labels is costly for many tasks. Alternatively, weakly supervised methods learn with cheap weak signals that only approximately label some…

机器学习 · 计算机科学 2024-11-26 You Lu , Wenzhuo Song , Chidubem Arachie , Bert Huang

Exemplar learning of visual similarities in an unsupervised manner is a problem of paramount importance to Computer Vision. In this context, however, the recent breakthrough in deep learning could not yet unfold its full potential. With…

计算机视觉与模式识别 · 计算机科学 2018-02-26 Artsiom Sanakoyeu , Miguel A. Bautista , Björn Ommer

Supervised training has led to state-of-the-art results in image and video denoising. However, its application to real data is limited since it requires large datasets of noisy-clean pairs that are difficult to obtain. For this reason,…

图像与视频处理 · 电气工程与系统科学 2022-04-26 Valéry Dewil , Aranud Barral , Gabriele Facciolo , Pablo Arias

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…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Jingkang Yang , Weirong Chen , Litong Feng , Xiaopeng Yan , Huabin Zheng , Wayne Zhang

Current action recognition methods heavily rely on trimmed videos for model training. However, it is expensive and time-consuming to acquire a large-scale trimmed video dataset. This paper presents a new weakly supervised architecture,…

计算机视觉与模式识别 · 计算机科学 2017-05-23 Limin Wang , Yuanjun Xiong , Dahua Lin , Luc Van Gool

Neural network-based anomaly detection methods have shown to achieve high performance. However, they require a large amount of training data for each task. We propose a neural network-based meta-learning method for supervised anomaly…

机器学习 · 统计学 2021-03-02 Tomoharu Iwata , Atsutoshi Kumagai

The convolution neural nets (conv nets) have achieved a state-of-the-art performance in many applications of image and video processing. The most recent studies illustrate that the conv nets are fragile in terms of recognition accuracy to…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Sergey Tarasenko , Fumihiko Takahashi

Several works in computer vision have demonstrated the effectiveness of active learning for adapting the recognition model when new unlabeled data becomes available. Most of these works consider that labels obtained from the annotator are…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Sudipta Paul , Shivkumar Chandrasekaran , B. S. Manjunath , Amit K. Roy-Chowdhury

In this work we address the challenging problem of unsupervised learning from videos. Existing methods utilize the spatio-temporal continuity in contiguous video frames as regularization for the learning process. Typically, this temporal…

计算机视觉与模式识别 · 计算机科学 2018-10-12 Carolina Redondo-Cabrera , Roberto J. López-Sastre

Deep Neural Networks (DNNs) have been successfully applied to a wide range of problems. However, two main limitations are commonly pointed out. The first one is that they require long time to design. The other is that they heavily rely on…

神经与进化计算 · 计算机科学 2024-06-21 Adriano Vinhas , João Correia , Penousal Machado