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Class Incremental Learning (CIL) is challenging due to catastrophic forgetting. On top of that, Exemplar-free Class Incremental Learning is even more challenging due to forbidden access to previous task data. Recent exemplar-free CIL…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Zichong Meng , Jie Zhang , Changdi Yang , Zheng Zhan , Pu Zhao , Yanzhi Wang

New classes arise frequently in our ever-changing world, e.g., emerging topics in social media and new types of products in e-commerce. A model should recognize new classes and meanwhile maintain discriminability over old classes. Under…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Da-Wei Zhou , Han-Jia Ye , Liang Ma , Di Xie , Shiliang Pu , De-Chuan Zhan

Continual learning aims to provide intelligent agents that are capable of learning continually a sequence of tasks, building on previously learned knowledge. A key challenge in this learning paradigm is catastrophically forgetting…

Machine Learning · Computer Science 2021-01-18 Ghada Sokar , Decebal Constantin Mocanu , Mykola Pechenizkiy

Class-Incremental Learning (CIL) requires a model to continually learn new classes without forgetting old ones. A common and efficient solution freezes a pre-trained model and employs lightweight adapters, whose parameters are often forced…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Ruiqi Liu , Boyu Diao , Zijia An , Runjie Shao , Zhulin An , Fei Wang , Yongjun Xu

Continual Learning is considered a key step toward next-generation Artificial Intelligence. Among various methods, replay-based approaches that maintain and replay a small episodic memory of previous samples are one of the most successful…

Machine Learning · Computer Science 2022-12-27 Guangji Bai , Chen Ling , Yuyang Gao , Liang Zhao

The Segment Anything Model (SAM) was originally designed for label-agnostic mask generation. Does this model also possess inherent semantic understanding, of value to broader visual tasks? In this work we follow a multi-staged approach…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Miguel Espinosa , Chenhongyi Yang , Linus Ericsson , Steven McDonagh , Elliot J. Crowley

Class-Incremental Semantic Segmentation(CISS) aims to learn new classes without forgetting the old ones, using only the labels of the new classes. To achieve this, two popular strategies are employed: 1) pseudo-labeling and knowledge…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Gilhan Park , WonJun Moon , SuBeen Lee , Tae-Young Kim , Jae-Pil Heo

Exemplar-free Class Incremental Learning (EFCIL) aims to sequentially learn tasks with access only to data from the current one. EFCIL is of interest because it mitigates concerns about privacy and long-term storage of data, while at the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Xialei Liu , Jiang-Tian Zhai , Andrew D. Bagdanov , Ke Li , Ming-Ming Cheng

Class-Incremental Learning (CIL) or continual learning is a desired capability in the real world, which requires a learning system to adapt to new tasks without forgetting former ones. While traditional CIL methods focus on visual…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Da-Wei Zhou , Yuanhan Zhang , Yan Wang , Jingyi Ning , Han-Jia Ye , De-Chuan Zhan , Ziwei Liu

In medical image segmentation, heterogeneous privacy policies across institutions often make joint training on pooled datasets infeasible, motivating continual image segmentation-learning from data streams without catastrophic forgetting.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Jiayi Wang , Wei Dai , Haoyu Wang , Sihan Yang , Haixia Bi , Jian Sun

Recent work has shown that, while large language models (LLMs) demonstrate strong word translation or bilingual lexicon induction (BLI) capabilities in few-shot setups, they still cannot match the performance of 'traditional' mapping-based…

Computation and Language · Computer Science 2024-06-06 Yaoyiran Li , Anna Korhonen , Ivan Vulić

State of the art methods for semantic image segmentation are trained in a supervised fashion using a large corpus of fully labeled training images. However, gathering such a corpus is expensive, due to human annotation effort, in contrast…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Radek Mackowiak , Philip Lenz , Omair Ghori , Ferran Diego , Oliver Lange , Carsten Rother

Many deep learning applications, like keyword spotting, require the incorporation of new concepts (classes) over time, referred to as Class Incremental Learning (CIL). The major challenge in CIL is catastrophic forgetting, i.e., preserving…

Machine Learning · Computer Science 2022-04-28 Dong Ma , Chi Ian Tang , Cecilia Mascolo

Continual learning (CL) enables models to adapt to evolving data streams without catastrophic forgetting, a fundamental requirement for real-world AI systems. However, the current methods often depend on large replay buffers or heavily…

Machine Learning · Computer Science 2025-11-14 Indu Solomon , Aye Phyu Phyu Aung , Uttam Kumar , Senthilnath Jayavelu

Multi-Class Incremental Learning (MCIL) aims to learn new concepts by incrementally updating a model trained on previous concepts. However, there is an inherent trade-off to effectively learning new concepts without catastrophic forgetting…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Yaoyao Liu , Yuting Su , An-An Liu , Bernt Schiele , Qianru Sun

This paper addresses the unrealistic aspect of the commonly adopted Continuous Incremental Semantic Segmentation (CISS) scenario, termed overlapped. We point out that overlapped allows the same image to reappear in future tasks with…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Jihwan Kwak , Sungmin Cha , Taesup Moon

Class incremental semantic segmentation (CISS) aims to segment new classes during continual steps while preventing the forgetting of old knowledge. Existing methods alleviate catastrophic forgetting by replaying distributions of previously…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Guilin Zhu , Dongyue Wu , Changxin Gao , Runmin Wang , Weidong Yang , Nong Sang

Class-incremental learning (CIL) seeks to enable a model to sequentially learn new classes while retaining knowledge of previously learned ones. Balancing flexibility and stability remains a significant challenge, particularly when the task…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Fangwen Wu , Lechao Cheng , Shengeng Tang , Xiaofeng Zhu , Chaowei Fang , Dingwen Zhang , Meng Wang

Class-incremental learning (CIL) is typically evaluated under predefined schedules with equal-sized tasks, leaving more realistic and complex cases unexplored. However, a practical CIL system should learns immediately when any number of new…

Machine Learning · Computer Science 2026-04-06 Zhiming Xu , Baile Xu , Jian Zhao , Furao Shen , Suorong Yang

Current mainstream deep learning techniques exhibit an over-reliance on extensive training data and a lack of adaptability to the dynamic world, marking a considerable disparity from human intelligence. To bridge this gap, Few-Shot…

Artificial Intelligence · Computer Science 2025-04-30 Renye Zhang , Yimin Yin , Jinghua Zhang