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Few-shot classification is a challenging problem that aims to learn a model that can adapt to unseen classes given a few labeled samples. Recent approaches pre-train a feature extractor, and then fine-tune for episodic meta-learning. Other…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Philip Chikontwe , Soopil Kim , Sang Hyun Park

Incremental Few-Shot (IFS) segmentation aims to learn new categories over time from only a few annotations. Although widely studied in 2D, it remains underexplored for 3D point clouds. Existing methods suffer from catastrophic forgetting or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Vishal Thengane , Zhaochong An , Tianjin Huang , Son Lam Phung , Abdesselam Bouzerdoum , Lu Yin , Na Zhao , Xiatian Zhu

The performance of supervised semantic segmentation methods highly relies on the availability of large-scale training data. To alleviate this dependence, few-shot semantic segmentation (FSS) is introduced to leverage the model trained on…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Xinyue Chen , Miaojing Shi

The ability to incrementally learn new classes from limited samples is crucial to the development of artificial intelligence systems for real clinical application. Although existing incremental learning techniques have attempted to address…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Hao Yang , Weijian Huang , Jiarun Liu , Cheng Li , Shanshan Wang

The Segment Anything Model (SAM) has exhibited outstanding performance in various image segmentation tasks. Despite being trained with over a billion masks, SAM faces challenges in mask prediction quality in numerous scenarios, especially…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Zhaozhi Xie , Bochen Guan , Weihao Jiang , Muyang Yi , Yue Ding , Hongtao Lu , Lei Zhang

Segment Anything Model (SAM) is a new foundation model that can be used as a zero-shot object segmentation method with the use of either guide prompts such as bounding boxes, polygons, or points. Alternatively, additional post processing…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Dominic Williams , Fraser Macfarlane , Avril Britten

Multi-class multi-instance segmentation is the task of identifying masks for multiple object classes and multiple instances of the same class within an image. The foundational Segment Anything Model (SAM) is designed for promptable…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Mariia Khan , Yue Qiu , Yuren Cong , Jumana Abu-Khalaf , David Suter , Bodo Rosenhahn

Few-shot learning allows machines to classify novel classes using only a few labeled samples. Recently, few-shot segmentation aiming at semantic segmentation on low sample data has also seen great interest. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Jun Seo , Young-Hyun Park , Sung-Whan Yoon , Jaekyun Moon

This paper introduces a generalized few-shot segmentation framework with a straightforward training process and an easy-to-optimize inference phase. In particular, we propose a simple yet effective model based on the well-known InfoMax…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Sina Hajimiri , Malik Boudiaf , Ismail Ben Ayed , Jose Dolz

Machine learning classifiers are often trained to recognize a set of pre-defined classes. However, in many applications, it is often desirable to have the flexibility of learning additional concepts, with limited data and without…

Machine Learning · Computer Science 2019-10-08 Mengye Ren , Renjie Liao , Ethan Fetaya , Richard S. Zemel

With the emergence of the Segment Anything Model (SAM) as a foundational model for image segmentation, its application has been extensively studied across various domains, including the medical field. However, its potential in the context…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 SeungKyu Kim , Hyun-Jic Oh , Seonghui Min , Won-Ki Jeong

In this paper, we propose a weakly supervised semantic segmentation approach for food images which takes advantage of the zero-shot capabilities and promptability of the Segment Anything Model (SAM) along with the attention mechanisms of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Ioannis Sarafis , Alexandros Papadopoulos , Anastasios Delopoulos

Few-shot segmentation is a task to segment objects or regions of novel classes within an image given only a few annotated examples. In the generalized setting, the task extends to segment both the base and the novel classes. The main…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Steve Andreas Immanuel , Hagai Raja Sinulingga

Segment Anything Model (SAM) has gained significant recognition in the field of semantic segmentation due to its versatile capabilities and impressive performance. Despite its success, SAM faces two primary limitations: (1) it relies…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Yuchen Li , Li Zhang , Youwei Liang , Pengtao Xie

In this paper, we explore the zero-shot capability of the Segment Anything Model (SAM) for food image segmentation. To address the lack of class-specific information in SAM-generated masks, we propose a novel framework, called FoodSAM. This…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Xing Lan , Jiayi Lyu , Hanyu Jiang , Kun Dong , Zehai Niu , Yi Zhang , Jian Xue

The Segment Anything Model (SAM) is a foundational model for image segmentation tasks, known for its strong generalization across diverse applications. However, its impressive performance comes with significant computational and resource…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Xiaorui Sun , Jun Liu , Heng Tao Shen , Xiaofeng Zhu , Ping Hu

Deep neural networks for semantic segmentation rely on large-scale annotated datasets, leading to an annotation bottleneck that motivates few shot semantic segmentation (FSS) which aims to generalize to novel classes with minimal labeled…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Ourui Fu , Hangzhou He , Kaiwen Li , Xinliang Zhang , Lei Zhu , Shuang Zeng , Zhaoheng Xie , Yanye Lu

Weakly Supervised Semantic Segmentation (WSSS) is a challenging task aiming to learn the segmentation labels from class-level labels. In the literature, exploiting the information obtained from Class Activation Maps (CAMs) is widely used…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Cenk Bircanoglu , Nafiz Arica

Few-shot learning aims at leveraging knowledge learned by one or more deep learning models, in order to obtain good classification performance on new problems, where only a few labeled samples per class are available. Recent years have seen…

Machine Learning · Computer Science 2022-02-08 Yassir Bendou , Yuqing Hu , Raphael Lafargue , Giulia Lioi , Bastien Pasdeloup , Stéphane Pateux , Vincent Gripon

Incremental few-shot semantic segmentation (IFSS) targets at incrementally expanding model's capacity to segment new class of images supervised by only a few samples. However, features learned on old classes could significantly drift,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Guangchen Shi , Yirui Wu , Jun Liu , Shaohua Wan , Wenhai Wang , Tong Lu