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AI deployed in many real-world use cases should be capable of adapting to novelties encountered after deployment. Here, we consider a challenging, under-explored and realistic continual adaptation problem: a deployed AI agent is…

Machine Learning · Computer Science 2024-12-16 Amanda Rios , Ibrahima Ndiour , Parual Datta , Jerry Sydir , Omesh Tickoo , Nilesh Ahuja

Supervised classification approaches can predict labels for unknown data because of the supervised training process. The success of classification is heavily dependent on the labeled training data. Differently, clustering is effective in…

Machine Learning · Computer Science 2015-02-19 Fangfang Li , Guandong Xu , Longbing Cao

A common assumption in semi-supervised learning is that the labeled, unlabeled, and test data are drawn from the same distribution. However, this assumption is not satisfied in many applications. In many scenarios, the data is collected…

Information Theory · Computer Science 2022-02-25 Gholamali Aminian , Mahed Abroshan , Mohammad Mahdi Khalili , Laura Toni , Miguel R. D. Rodrigues

This paper outlines our approach to the 5th CLVision challenge at CVPR, which addresses the Class-Incremental with Repetition (CIR) scenario. In contrast to traditional class incremental learning, this novel setting introduces unique…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Panagiota Moraiti , Efstathios Karypidis

Continual Learning (CL) aims to incrementally update a trained model on new tasks without forgetting the acquired knowledge of old ones. Existing CL methods usually reduce forgetting with task priors, \ie using task identity or a subset of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Tao Zhuo , Zhiyong Cheng , Hehe Fan , Mohan Kankanhalli

Recent success of large-scale pre-trained language models crucially hinge on fine-tuning them on large amounts of labeled data for the downstream task, that are typically expensive to acquire. In this work, we study self-training as one of…

Computation and Language · Computer Science 2020-06-30 Subhabrata Mukherjee , Ahmed Hassan Awadallah

Dataless text classification is capable of classifying documents into previously unseen labels by assigning a score to any document paired with a label description. While promising, it crucially relies on accurate descriptions of the label…

Computation and Language · Computer Science 2020-12-09 Zewei Chu , Karl Stratos , Kevin Gimpel

Graph-based semi-supervised learning has been shown to be one of the most effective approaches for classification tasks from a wide range of domains, such as image classification and text classification, as they can exploit the connectivity…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Wanyu Lin , Zhaolin Gao , Baochun Li

Data-driven fault diagnostics of safety-critical systems often faces the challenge of a complete lack of labeled data associated with faulty system conditions (i.e., fault types) at training time. Since an unknown number and nature of fault…

Machine Learning · Computer Science 2020-10-01 Manuel Arias Chao , Bryan T. Adey , Olga Fink

What sorts of structure might enable a learner to discover classes from unlabeled data? Traditional approaches rely on feature-space similarity and heroic assumptions on the data. In this paper, we introduce unsupervised learning under…

Machine Learning · Computer Science 2022-12-02 Manley Roberts , Pranav Mani , Saurabh Garg , Zachary C. Lipton

Partially annotated clips contain rich temporal contexts that can complement the sparse key frame annotations in providing supervision for model training. We present a novel paradigm called Temporally-Adaptive Features (TAF) learning that…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Yongxi Lu , Ziyao Tang , Tara Javidi

Active learning is an iterative labeling process that is used to obtain a small labeled subset, despite the absence of labeled data, thereby enabling to train a model for supervised tasks such as text classification. While active learning…

Computation and Language · Computer Science 2024-10-07 Christopher Schröder , Gerhard Heyer

In reality, learning from multi-view multi-label data inevitably confronts three challenges: missing labels, incomplete views, and non-aligned views. Existing methods mainly concern the first two and commonly need multiple assumptions to…

Machine Learning · Computer Science 2024-06-12 Xiang Li , Songcan Chen

Unsupervised GAD methods assume the lack of anomaly labels, i.e., whether a node is anomalous or not. One common observation we made from previous unsupervised methods is that they not only assume the absence of such anomaly labels, but…

Machine Learning · Computer Science 2023-08-24 Junghoon Kim , Yeonjun In , Kanghoon Yoon , Junmo Lee , Chanyoung Park

Supervised deep neural networks are known to undergo a sharp decline in the accuracy of older tasks when new tasks are learned, termed "catastrophic forgetting". Many state-of-the-art solutions to continual learning rely on biasing and/or…

Machine Learning · Computer Science 2020-11-11 Amanda Rios , Laurent Itti

Supervised learning in large discriminative models is a mainstay for modern computer vision. Such an approach necessitates investing in large-scale human-annotated datasets for achieving state-of-the-art results. In turn, the efficacy of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Liang-Chieh Chen , Raphael Gontijo Lopes , Bowen Cheng , Maxwell D. Collins , Ekin D. Cubuk , Barret Zoph , Hartwig Adam , Jonathon Shlens

Complementary Labels Learning (CLL) arises in many real-world tasks such as private questions classification and online learning, which aims to alleviate the annotation cost compared with standard supervised learning. Unfortunately, most…

Machine Learning · Computer Science 2022-11-22 Zhongnian Li , Jian Zhang , Mengting Xu , Xinzheng Xu , Daoqiang Zhang

In recent years, extending variational autoencoder's framework to learn disentangled representations has received much attention. We address this problem by proposing a framework capable of disentangling class-related and class-independent…

Machine Learning · Computer Science 2021-02-02 Sina Hajimiri , Aryo Lotfi , Mahdieh Soleymani Baghshah

Unlabeled data learning has attracted considerable attention recently. However, it is still elusive to extract the expected high-level semantic feature with mere unsupervised learning. In the meantime, semi-supervised learning (SSL)…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Tao Han , Junyu Gao , Yuan Yuan , Qi Wang

Cross-modal data matching refers to retrieval of data from one modality, when given a query from another modality. In general, supervised algorithms achieve better retrieval performance compared to their unsupervised counterpart, as they…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Devraj Mandal , Pramod Rao , Soma Biswas