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We present Variational Self-Supervised Learning (VSSL), a novel framework that combines variational inference with self-supervised learning to enable efficient, decoder-free representation learning. Unlike traditional VAEs that rely on…

机器学习 · 计算机科学 2025-05-02 Mehmet Can Yavuz , Berrin Yanikoglu

Lifelong person re-identification (LReID) aims to learn from varying domains to obtain a unified person retrieval model. Existing LReID approaches typically focus on learning from scratch or a visual classification-pretrained model, while…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Kunlun Xu , Haotong Cheng , Jiangmeng Li , Xu Zou , Jiahuan Zhou

The primary goal of continual learning (CL) task in medical image segmentation field is to solve the "catastrophic forgetting" problem, where the model totally forgets previously learned features when it is extended to new categories…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Qian Chen , Lei Zhu , Hangzhou He , Xinliang Zhang , Shuang Zeng , Qiushi Ren , Yanye Lu

Catastrophic forgetting in neural networks during incremental learning remains a challenging problem. Previous research investigated catastrophic forgetting in fully connected networks, with some earlier work exploring activation functions…

机器学习 · 计算机科学 2023-03-15 Jiahao Huo , Terence L. van Zyl

Although semi-supervised variational autoencoder (SemiVAE) works in image classification task, it fails in text classification task if using vanilla LSTM as its decoder. From a perspective of reinforcement learning, it is verified that the…

计算与语言 · 计算机科学 2016-11-28 Weidi Xu , Haoze Sun , Chao Deng , Ying Tan

Lifelong learning (LL) aims to improve a predictive model as the data source evolves continuously. Most work in this learning paradigm has focused on resolving the problem of 'catastrophic forgetting,' which refers to a notorious dilemma…

机器学习 · 计算机科学 2023-03-09 Jinghan Jia , Yihua Zhang , Dogyoon Song , Sijia Liu , Alfred Hero

Lifelong or continual learning remains to be a challenge for artificial neural network, as it is required to be both stable for preservation of old knowledge and plastic for acquisition of new knowledge. It is common to see previous…

机器学习 · 计算机科学 2020-10-08 Song Zhang , Gehui Shen , Jinsong Huang , Zhi-Hong Deng

Continual learning has become essential in many practical applications such as online news summaries and product classification. The primary challenge is known as catastrophic forgetting, a phenomenon where a model inadvertently discards…

机器学习 · 计算机科学 2025-01-13 Xiaodi Li , Dingcheng Li , Rujun Gao , Mahmoud Zamani , Latifur Khan

Variational autoencoders (VAEs) have been widely applied for text modeling. In practice, however, they are troubled by two challenges: information underrepresentation and posterior collapse. The former arises as only the last hidden state…

机器学习 · 计算机科学 2021-06-17 Xianghong Fang , Haoli Bai , Jian Li , Zenglin Xu , Michael Lyu , Irwin King

In principle, applying variational autoencoders (VAEs) to sequential data offers a method for controlled sequence generation, manipulation, and structured representation learning. However, training sequence VAEs is challenging:…

Variational continual learning (VCL) is a turn-key learning algorithm that has state-of-the-art performance among the best continual learning models. In our work, we explore an extension of the generalized variational continual learning…

机器学习 · 计算机科学 2024-08-30 Fan Yang

In continual learning (CL), a learner is faced with a sequence of tasks, arriving one after the other, and the goal is to remember all the tasks once the continual learning experience is finished. The prior art in CL uses episodic memory,…

机器学习 · 计算机科学 2020-12-09 Arslan Chaudhry , Naeemullah Khan , Puneet K. Dokania , Philip H. S. Torr

Dense retrieval calls for discriminative embeddings to represent the semantic relationship between query and document. It may benefit from the using of large language models (LLMs), given LLMs' strong capability on semantic understanding.…

计算与语言 · 计算机科学 2025-11-25 Zheng Liu , Chaofan Li , Shitao Xiao , Yingxia Shao , Defu Lian

The lifelong learning paradigm in machine learning is an attractive alternative to the more prominent isolated learning scheme not only due to its resemblance to biological learning but also its potential to reduce energy waste by obviating…

机器学习 · 计算机科学 2023-08-30 Sanket Vaibhav Mehta , Darshan Patil , Sarath Chandar , Emma Strubell

In this paper we introduce a recurrent neural network (RNN) based variational autoencoder (VAE) model with a new constrained loss function that can generate more meaningful electroencephalography (EEG) features from raw EEG features to…

音频与语音处理 · 电气工程与系统科学 2020-06-05 Gautam Krishna , Co Tran , Mason Carnahan , Ahmed Tewfik

Vision-language navigation (VLN) is a critical domain within embedded intelligence, requiring agents to navigate 3D environments based on natural language instructions. Traditional VLN research has focused on improving environmental…

人工智能 · 计算机科学 2024-09-24 Zhiyuan Li , Yanfeng Lv , Ziqin Tu , Di Shang , Hong Qiao

Unsupervised representation learning holds the promise of exploiting large amounts of unlabeled data to learn general representations. A promising technique for unsupervised learning is the framework of Variational Auto-encoders (VAEs).…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Kamal Gupta , Saurabh Singh , Abhinav Shrivastava

Most of the existing artificial neural networks(ANNs) fail to learn continually due to catastrophic forgetting, while humans can do the same by maintaining previous tasks' performances. Although storing all the previous data can alleviate…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Subhankar Ghosh

A common challenge in continual learning (CL) is catastrophic forgetting, where the performance on old tasks drops after new, additional tasks are learned. In this paper, we propose a novel framework called ReCL to slow down forgetting in…

机器学习 · 计算机科学 2025-03-04 Pascal Janetzky , Tobias Schlagenhauf , Stefan Feuerriegel

This paper presents a generative approach to speech enhancement based on a recurrent variational autoencoder (RVAE). The deep generative speech model is trained using clean speech signals only, and it is combined with a nonnegative matrix…

机器学习 · 计算机科学 2020-02-11 Simon Leglaive , Xavier Alameda-Pineda , Laurent Girin , Radu Horaud