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Recent works have shown that by using large pre-trained models along with learnable prompts, rehearsal-free methods for class-incremental learning (CIL) settings can achieve superior performance to prominent rehearsal-based ones.…

机器学习 · 计算机科学 2025-07-11 Wei-Cheng Huang , Chun-Fu Chen , Hsiang Hsu

Variational auto-encoders (VAEs) are an influential and generally-used class of likelihood-based generative models in unsupervised learning. The likelihood-based generative models have been reported to be highly robust to the…

机器学习 · 计算机科学 2020-10-06 Xuming Ran , Mingkun Xu , Qi Xu , Huihui Zhou , Quanying Liu

This paper investigates a new, practical, but challenging problem named Non-exemplar Online Class-incremental continual Learning (NO-CL), which aims to preserve the discernibility of base classes without buffering data examples and…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Fushuo Huo , Wenchao Xu , Jingcai Guo , Haozhao Wang , Yunfeng Fan , Song Guo

Deep Neural Network (DNN) has achieved great success on datasets of closed class set. However, new classes, like new categories of social media topics, are continuously added to the real world, making it necessary to incrementally learn.…

计算机视觉与模式识别 · 计算机科学 2023-08-07 Wenzhuo Liu , Xinjian Wu , Fei Zhu , Mingming Yu , Chuang Wang , Cheng-Lin Liu

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…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Sana Ayromlou , Purang Abolmaesumi , Teresa Tsang , Xiaoxiao Li

Exemplar-free class-incremental learning is very challenging due to the negative effect of catastrophic forgetting. A balance between stability and plasticity of the incremental process is needed in order to obtain good accuracy for past as…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Grégoire Petit , Adrian Popescu , Hugo Schindler , David Picard , Bertrand Delezoide

Non-exemplar class-incremental learning is to recognize both the old and new classes when old class samples cannot be saved. It is a challenging task since representation optimization and feature retention can only be achieved under…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Kai Zhu , Wei Zhai , Yang Cao , Jiebo Luo , Zheng-Jun Zha

Non-exemplar class incremental learning aims to learn both the new and old tasks without accessing any training data from the past. This strict restriction enlarges the difficulty of alleviating catastrophic forgetting since all techniques…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Jiang-Tian Zhai , Xialei Liu , Lu Yu , Ming-Ming Cheng

The goal of a classification model is to assign the correct labels to data. In most cases, this data is not fully described by the given set of labels. Often a rich set of meaningful concepts exist in the domain that can much more precisely…

机器学习 · 计算机科学 2021-08-23 Yoeri Poels , Vlado Menkovski

A large part of the literature on learning disentangled representations focuses on variational autoencoders (VAE). Recent developments demonstrate that disentanglement cannot be obtained in a fully unsupervised setting without inductive…

机器学习 · 计算机科学 2021-02-11 Graziano Mita , Maurizio Filippone , Pietro Michiardi

Class Incremental Learning (CIL) aims to sequentially learn new classes while avoiding catastrophic forgetting of previous knowledge. We propose to use Masked Autoencoders (MAEs) as efficient learners for CIL. MAEs were originally designed…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Jiang-Tian Zhai , Xialei Liu , Andrew D. Bagdanov , Ke Li , Ming-Ming Cheng

Exemplar-free class-incremental learning (CIL) poses several challenges since it prohibits the rehearsal of data from previous tasks and thus suffers from catastrophic forgetting. Recent approaches to incrementally learning the classifier…

计算机视觉与模式识别 · 计算机科学 2024-01-15 Dipam Goswami , Yuyang Liu , Bartłomiej Twardowski , Joost van de Weijer

Disentangled representation learning aims to learn low-dimensional representations where each dimension corresponds to an underlying generative factor. While the Variational Auto-Encoder (VAE) is widely used for this purpose, most existing…

机器学习 · 计算机科学 2024-12-31 Di Fan , Yannian Kou , Chuanhou Gao

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…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Da-Wei Zhou , Qi-Wei Wang , Zhi-Hong Qi , Han-Jia Ye , De-Chuan Zhan , Ziwei Liu

In a real-world setting, object instances from new classes can be continuously encountered by object detectors. When existing object detectors are applied to such scenarios, their performance on old classes deteriorates significantly. A few…

计算机视觉与模式识别 · 计算机科学 2021-12-16 K J Joseph , Jathushan Rajasegaran , Salman Khan , Fahad Shahbaz Khan , Vineeth N Balasubramanian

Learning rich representation from data is an important task for deep generative models such as variational auto-encoder (VAE). However, by extracting high-level abstractions in the bottom-up inference process, the goal of preserving all…

机器学习 · 计算机科学 2020-02-26 Zhiyuan Li , Jaideep Vitthal Murkute , Prashnna Kumar Gyawali , Linwei Wang

This paper presents parametric instance classification (PIC) for unsupervised visual feature learning. Unlike the state-of-the-art approaches which do instance discrimination in a dual-branch non-parametric fashion, PIC directly performs a…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Yue Cao , Zhenda Xie , Bin Liu , Yutong Lin , Zheng Zhang , Han Hu

This study focuses on incremental learning for image classification, exploring how to reduce catastrophic forgetting of all learned knowledge when access to old data is restricted. The challenge lies in balancing plasticity (learning new…

机器学习 · 计算机科学 2026-03-12 Zhiping Zhou , Xuchen Xie , Yiqiao Qiu , Run Lin , Weishi Zheng , Ruixuan Wang

Exemplar-based class-incremental learning (CIL) finetunes the model with all samples of new classes but few-shot exemplars of old classes in each incremental phase, where the "few-shot" abides by the limited memory budget. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Zilin Luo , Yaoyao Liu , Bernt Schiele , Qianru Sun

Self-supervised learning is well known for its remarkable performance in representation learning and various downstream computer vision tasks. Recently, Positive-pair-Only Contrastive Learning (POCL) has achieved reliable performance…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Jinfeng Wang , Sifan Song , Jionglong Su , S. Kevin Zhou