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Deep neural networks have made breakthroughs in a wide range of visual understanding tasks. A typical challenge that hinders their real-world applications is that unknown samples may be fed into the system during the testing phase, but…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Xin Sun , Chi Zhang , Guosheng Lin , Keck-Voon Ling

Few-shot learning (FSL) aims to enable models to recognize novel objects or classes with limited labelled data. Feature generators, which synthesize new data points to augment limited datasets, have emerged as a promising solution to this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Heethanjan Kanagalingam , Thenukan Pathmanathan , Navaneethan Ketheeswaran , Mokeeshan Vathanakumar , Mohamed Afham , Ranga Rodrigo

Zero-shot learning (ZSL) aims to recognize unseen classes by exploiting semantic descriptions shared between seen classes and unseen classes. Current methods show that it is effective to learn visual-semantic alignment by projecting…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Zaiquan Yang , Yang Liu , Wenjia Xu , Chong Huang , Lei Zhou , Chao Tong

Recent research on Generalized Zero-Shot Learning (GZSL) has focused primarily on generation-based methods. However, current literature has overlooked the fundamental principles of these methods and has made limited progress in a complex…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Dubing Chen , Yuming Shen , Haofeng Zhang , Philip H. S. Torr

Generalized Few-shot Semantic Segmentation (GFSS) extends Few-shot Semantic Segmentation (FSS) to simultaneously segment unseen classes and seen classes during evaluation. Previous works leverage additional branch or prototypical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Kai Huang , Feigege Wang , Ye Xi , Yutao Gao

Recent few-shot learning works focus on training a model with prior meta-knowledge to fast adapt to new tasks with unseen classes and samples. However, conventional time-series classification algorithms fail to tackle the few-shot scenario.…

Machine Learning · Computer Science 2020-07-03 Wensi Tang , Lu Liu , Guodong Long

Prompt learning has become an efficient paradigm for adapting CLIP to downstream tasks. Compared with traditional fine-tuning, prompt learning optimizes a few parameters yet yields highly competitive results, especially appealing in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Jianhan Wu , Xiaoyang Qu , Zhangcheng Huang , Jianzong Wang

Few-shot Font Generation aims to generate stylistically consistent glyphs from a few reference glyphs. However, capturing complex font styles from a few exemplars remains challenging, and the existing methods often struggle to retain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Rejoy Chakraborty , Prasun Roy , Saumik Bhattacharya , Umapada Pal

Few-shot object detection (FSOD) has thrived in recent years to learn novel object classes with limited data by transferring knowledge gained on abundant base classes. FSOD approaches commonly assume that both the scarcely provided examples…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Karim Guirguis , George Eskandar , Matthias Kayser , Bin Yang , Juergen Beyerer

Few-shot classification consists of learning a predictive model that is able to effectively adapt to a new class, given only a few annotated samples. To solve this challenging problem, meta-learning has become a popular paradigm that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Nikita Dvornik , Cordelia Schmid , Julien Mairal

Zero-shot learning (ZSL) is a challenging task aiming at recognizing novel classes without any training instances. In this paper we present a simple but high-performance ZSL approach by generating pseudo feature representations (GPFR).…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Jiang Lu , Jin Li , Ziang Yan , Changshui Zhang

Jamming devices pose a significant threat by disrupting signals from the global navigation satellite system (GNSS), compromising the robustness of accurate positioning. Detecting anomalies in frequency snapshots is crucial to counteract…

Signal Processing · Electrical Eng. & Systems 2024-10-08 Felix Ott , Lucas Heublein , Nisha Lakshmana Raichur , Tobias Feigl , Jonathan Hansen , Alexander Rügamer , Christopher Mutschler

We present a generative framework for zero-shot action recognition where some of the possible action classes do not occur in the training data. Our approach is based on modeling each action class using a probability distribution whose…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Ashish Mishra , Vinay Kumar Verma , M Shiva Krishna Reddy , Arulkumar S , Piyush Rai , Anurag Mittal

This paper studies the problem of generalized zero-shot learning which requires the model to train on image-label pairs from some seen classes and test on the task of classifying new images from both seen and unseen classes. Most previous…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 He Huang , Changhu Wang , Philip S. Yu , Chang-Dong Wang

Conventional training of deep neural networks requires a large number of the annotated image which is a laborious and time-consuming task, particularly for rare objects. Few-shot object detection (FSOD) methods offer a remedy by realizing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zeyu Shangguan , Mohammad Rostami

Open set recognition enables deep neural networks (DNNs) to identify samples of unknown classes, while maintaining high classification accuracy on samples of known classes. Existing methods basing on auto-encoder (AE) and prototype learning…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Hongzhi Huang , Yu Wang , Qinghua Hu , Ming-Ming Cheng

Few-shot learning (FSL) aims to learn a classifier that can be easily adapted to recognize novel classes with only a few labeled examples. Some recent work about FSL has yielded promising classification performance, where the image-level…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Jianpeng Yang , Yuhang Niu , Xuemei Xie , Guangming Shi

Recently, many zero-shot learning (ZSL) methods focused on learning discriminative object features in an embedding feature space, however, the distributions of the unseen-class features learned by these methods are prone to be partly…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Bo Liu , Qiulei Dong , Zhanyi Hu

Generative models have achieved state-of-the-art performance for the zero-shot learning problem, but they require re-training the classifier every time a new object category is encountered. The traditional semantic embedding approaches,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Ayyappa Kumar Pambala , Titir Dutta , Soma Biswas

In the process of exploring the world, the curiosity constantly drives humans to cognize new things. Supposing you are a zoologist, for a presented animal image, you can recognize it immediately if you know its class. Otherwise, you would…

Machine Learning · Computer Science 2019-08-15 Chuanxing Geng , Lue Tao , Songcan Chen