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Despite excellent progress has been made, the performance on action recognition still heavily relies on specific datasets, which are difficult to extend new action classes due to labor-intensive labeling. Moreover, the high diversity in…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Xiaoyuan Ni , Sizhe Song , Yu-Wing Tai , Chi-Keung Tang

The Few-Shot Segmentation (FSS) aims to accomplish the novel class segmentation task with a few annotated images. Current FSS research based on meta-learning focus on designing a complex interaction mechanism between the query and support…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Jing Wang , Jinagyun Li , Chen Chen , Yisi Zhang , Haoran Shen , Tianxiang Zhang

We present a novel method for few-shot video classification, which performs appearance and temporal alignments. In particular, given a pair of query and support videos, we conduct appearance alignment via frame-level feature matching to…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Khoi D. Nguyen , Quoc-Huy Tran , Khoi Nguyen , Binh-Son Hua , Rang Nguyen

We propose a simple yet effective approach for few-shot action recognition, emphasizing the disentanglement of motion and appearance representations. By harnessing recent progress in tracking, specifically point trajectories and…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Pulkit Kumar , Namitha Padmanabhan , Luke Luo , Sai Saketh Rambhatla , Abhinav Shrivastava

Recently, large pre-trained neural language models have attained remarkable performance on many downstream natural language processing (NLP) applications via fine-tuning. In this paper, we target at how to further improve the token…

人工智能 · 计算机科学 2021-09-08 Mengyuan Zhou , Jian Ma , Haiqin Yang , Lianxin Jiang , Yang Mo

Multi-task and few-shot time series forecasting tasks are commonly encountered in scenarios such as the launch of new products in different cities. However, traditional time series forecasting methods suffer from insufficient historical…

机器学习 · 计算机科学 2025-06-25 Pengpeng Ouyang , Dong Chen , Tong Yang , Shuo Feng , Zhao Jin , Mingliang Xu

Few-shot learning aims to recognize instances from novel classes with few labeled samples, which has great value in research and application. Although there has been a lot of work in this area recently, most of the existing work is based on…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Congqi Cao , Yajuan Li , Qinyi Lv , Peng Wang , Yanning Zhang

Few-shot action recognition (FSAR) aims to recognize novel action categories with few exemplars. Existing methods typically learn frame-level representations for each video by designing inter-frame temporal modeling strategies or…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Hongyu Qu , Ling Xing , Jiachao Zhang , Rui Yan , Yazhou Yao , Xiangbo Shu

Classification of new class entities requires collecting and annotating hundreds or thousands of samples that is often prohibitively costly. Few-shot learning suggests learning to classify new classes using just a few examples. Only a small…

计算机视觉与模式识别 · 计算机科学 2021-07-20 Rami Ben-Ari , Mor Shpigel , Ophir Azulai , Udi Barzelay , Daniel Rotman

Transferring vision-language knowledge from pretrained multimodal foundation models to various downstream tasks is a promising direction. However, most current few-shot action recognition methods are still limited to a single visual…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Xiang Wang , Shiwei Zhang , Hangjie Yuan , Yingya Zhang , Changxin Gao , Deli Zhao , Nong Sang

Deep learning has achieved great success in video recognition, yet still struggles to recognize novel actions when faced with only a few examples. To tackle this challenge, few-shot action recognition methods have been proposed to transfer…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Yilun Zhang , Yuqian Fu , Xingjun Ma , Lizhe Qi , Jingjing Chen , Zuxuan Wu , Yu-Gang Jiang

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

Few-shot learning, which aims at extracting new concepts rapidly from extremely few examples of novel classes, has been featured into the meta-learning paradigm recently. Yet, the key challenge of how to learn a generalizable classifier…

机器学习 · 计算机科学 2019-10-08 Limeng Qiao , Yemin Shi , Jia Li , Yaowei Wang , Tiejun Huang , Yonghong Tian

Time series classification(TSC) has always been an important and challenging research task. With the wide application of deep learning, more and more researchers use deep learning models to solve TSC problems. Since time series always…

机器学习 · 计算机科学 2021-01-27 Shibo Zhou , Yu Pan

Existing temporal action localization (TAL) works rely on a large number of training videos with exhaustive segment-level annotation, preventing them from scaling to new classes. As a solution to this problem, few-shot TAL (FS-TAL) aims to…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Sauradip Nag , Xiatian Zhu , Tao Xiang

In this paper we propose a novel Temporal Attentive Relation Network (TARN) for the problems of few-shot and zero-shot action recognition. At the heart of our network is a meta-learning approach that learns to compare representations of…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Mina Bishay , Georgios Zoumpourlis , Ioannis Patras

Multi-object tracking (MOT) in computer vision remains a significant challenge, requiring precise localization and continuous tracking of multiple objects in video sequences. The emergence of data sets that emphasize robust…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Thuc Nguyen-Quang , Minh-Triet Tran

We propose a novel approach to few-shot action recognition, finding temporally-corresponding frame tuples between the query and videos in the support set. Distinct from previous few-shot works, we construct class prototypes using the…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Toby Perrett , Alessandro Masullo , Tilo Burghardt , Majid Mirmehdi , Dima Damen

We propose a Few-shot Learning pipeline for 3D skeleton-based action recognition by Joint tEmporal and cAmera viewpoiNt alIgnmEnt (JEANIE). To factor out misalignment between query and support sequences of 3D body joints, we propose an…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Lei Wang , Piotr Koniusz

Human action understanding is crucial for the advancement of multimodal systems. While recent developments, driven by powerful large language models (LLMs), aim to be general enough to cover a wide range of categories, they often overlook…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Yongle Huang , Haodong Chen , Zhenbang Xu , Zihan Jia , Haozhou Sun , Dian Shao