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Related papers: Class-Incremental Learning with Generative Classif…

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In continual learning, model needs to continually learn a feature extractor and classifier on a sequence of tasks. This paper focuses on how to learn a classifier based on a pretrained feature extractor under continual learning setting. We…

Machine Learning · Computer Science 2023-02-24 Ziheng Li , Shibo Jie , Zhi-Hong Deng

Neural networks are prone to catastrophic forgetting when trained incrementally on different tasks. Popular incremental learning methods mitigate such forgetting by retaining a subset of previously seen samples and replaying them during the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Kevin Thandiackal , Tiziano Portenier , Andrea Giovannini , Maria Gabrani , Orcun Goksel

Standard deep learning-based classification approaches require collecting all samples from all classes in advance and are trained offline. This paradigm may not be practical in real-world clinical applications, where new classes are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Sana Ayromlou , Purang Abolmaesumi , Teresa Tsang , Xiaoxiao Li

In most works on deep incremental learning research, it is assumed that novel samples are pre-identified for neural network retraining. However, practical deep classifiers often misidentify these samples, leading to erroneous predictions.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 Jiawen Xu , Claas Grohnfeldt , Odej Kao

Deep metric learning aims to learn an embedding space where the distance between data reflects their class equivalence, even when their classes are unseen during training. However, the limited number of classes available in training…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Kyungmoon Lee , Sungyeon Kim , Seunghoon Hong , Suha Kwak

Deep models, e.g., CNNs and Vision Transformers, have achieved impressive achievements in many vision tasks in the closed world. However, novel classes emerge from time to time in our ever-changing world, requiring a learning system to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Da-Wei Zhou , Qi-Wei Wang , Zhi-Hong Qi , Han-Jia Ye , De-Chuan Zhan , Ziwei Liu

Although well-trained deep neural networks have shown remarkable performance on numerous tasks, they rapidly forget what they have learned as soon as they begin to learn with additional data with the previous data stop being provided. In…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Byungju Kim , Jaeyoung Lee , Kyungsu Kim , Sungjin Kim , Junmo Kim

Learning continually is a key aspect of intelligence and a necessary ability to solve many real-life problems. One of the most effective strategies to control catastrophic forgetting, the Achilles' heel of continual learning, is storing…

Machine Learning · Computer Science 2022-04-13 Gabriele Graffieti , Davide Maltoni , Lorenzo Pellegrini , Vincenzo Lomonaco

We propose a novel class incremental learning approach by incorporating a feature augmentation technique motivated by adversarial attacks. We employ a classifier learned in the past to complement training examples rather than simply play a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Taehoon Kim , Jaeyoo Park , Bohyung Han

A major open problem on the road to artificial intelligence is the development of incrementally learning systems that learn about more and more concepts over time from a stream of data. In this work, we introduce a new training strategy,…

Computer Vision and Pattern Recognition · Computer Science 2017-04-17 Sylvestre-Alvise Rebuffi , Alexander Kolesnikov , Georg Sperl , Christoph H. Lampert

In this paper, we propose a new and unified approach for nonparametric regression and conditional distribution learning. Our approach simultaneously estimates a regression function and a conditional generator using a generative learning…

Machine Learning · Statistics 2023-06-28 Shanshan Song , Tong Wang , Guohao Shen , Yuanyuan Lin , Jian Huang

Modern machine learning suffers from catastrophic forgetting when learning new classes incrementally. The performance dramatically degrades due to the missing data of old classes. Incremental learning methods have been proposed to retain…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Yue Wu , Yinpeng Chen , Lijuan Wang , Yuancheng Ye , Zicheng Liu , Yandong Guo , Yun Fu

Continual learning models for stationary data focus on learning and retaining concepts coming to them in a sequential manner. In the most generic class-incremental environment, we have to be ready to deal with classes coming one by one,…

Machine Learning · Computer Science 2023-07-11 Lukasz Korycki , Bartosz Krawczyk

Although deep learning approaches have stood out in recent years due to their state-of-the-art results, they continue to suffer from catastrophic forgetting, a dramatic decrease in overall performance when training with new classes added…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Francisco M. Castro , Manuel J. Marín-Jiménez , Nicolás Guil , Cordelia Schmid , Karteek Alahari

Modern deep neural networks are well known to be brittle in the face of unknown data instances and recognition of the latter remains a challenge. Although it is inevitable for continual-learning systems to encounter such unseen concepts,…

Machine Learning · Computer Science 2022-04-04 Martin Mundt , Iuliia Pliushch , Sagnik Majumder , Yongwon Hong , Visvanathan Ramesh

We address the problem of incremental sequence classification, where predictions are updated as new elements in the sequence are revealed. Drawing on temporal-difference learning from reinforcement learning, we identify a…

We present a new replay-based method of continual classification learning that we term "conditional replay" which generates samples and labels together by sampling from a distribution conditioned on the class. We compare conditional replay…

Machine Learning · Computer Science 2019-07-02 Timothée Lesort , Alexander Gepperth , Andrei Stoian , David Filliat

We present a novel class incremental learning approach based on deep neural networks, which continually learns new tasks with limited memory for storing examples in the previous tasks. Our algorithm is based on knowledge distillation and…

Machine Learning · Computer Science 2022-04-05 Minsoo Kang , Jaeyoo Park , Bohyung Han

Generative Adversarial Networks (GANs) produce systematically better quality samples when class label information is provided., i.e. in the conditional GAN setup. This is still observed for the recently proposed Wasserstein GAN formulation…

Machine Learning · Statistics 2018-05-18 Guillermo L. Grinblat , Lucas C. Uzal , Pablo M. Granitto

We study the new task of class-incremental Novel Class Discovery (class-iNCD), which refers to the problem of discovering novel categories in an unlabelled data set by leveraging a pre-trained model that has been trained on a labelled data…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Subhankar Roy , Mingxuan Liu , Zhun Zhong , Nicu Sebe , Elisa Ricci