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Few-shot learning (FSL) aims to recognize novel queries with only a few support samples through leveraging prior knowledge from a base dataset. In this paper, we consider the domain shift problem in FSL and aim to address the domain gap…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Wentao Chen , Zhang Zhang , Wei Wang , Liang Wang , Zilei Wang , Tieniu Tan

Recent advances in text-to-video (T2V) generation with diffusion models have garnered significant attention. However, they typically perform well in scenes with a single object and motion, struggling in compositional scenarios with multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Yuanhang Li , Qi Mao , Lan Chen , Zhen Fang , Lei Tian , Xinyan Xiao , Libiao Jin , Hua Wu

Zero-shot action recognition (ZSAR) requires collaborative multi-modal spatiotemporal understanding. However, finetuning CLIP directly for ZSAR yields suboptimal performance, given its inherent constraints in capturing essential temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Yating Yu , Congqi Cao , Yueran Zhang , Qinyi Lv , Lingtong Min , Yanning Zhang

The goal of few-shot video classification is to learn a classification model with good generalization ability when trained with only a few labeled videos. However, it is difficult to learn discriminative feature representations for videos…

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Fei Pan , Chunlei Xu , Jie Guo , Yanwen Guo

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…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

Although significant progress has been made in few-shot learning, most of existing few-shot image classification methods require supervised pre-training on a large amount of samples of base classes, which limits their generalization ability…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Fang Peng , Xiaoshan Yang , Linhui Xiao , Yaowei Wang , Changsheng Xu

Traffic forecasting requires modeling complex temporal dynamics and long-range spatial dependencies over large sensor networks. Existing methods typically face a trade-off between expressiveness and efficiency: Transformer-based models…

Machine Learning · Computer Science 2026-04-16 Xinjin Li , Jinghan Cao , Mengyue Wang , Yue Wu , Longxiang Yan , Yeyang Zhou , Ziqi Sha , Yu Ma

LiDAR-based 3D object detection presents significant challenges due to the inherent sparsity of LiDAR points. A common solution involves long-term temporal LiDAR data to densify the inputs. However, efficiently leveraging spatial-temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Chaoqun Wang , Xiaobin Hong , Wenzhong Li , Ruimao Zhang

Human action recognition is pivotal in computer vision, with applications ranging from surveillance to human-robot interaction. Despite the effectiveness of supervised skeleton-based methods, their reliance on exhaustive annotation limits…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Yuxi Zhou , Zhengbo Zhang , Jingyu Pan , Zhiyu Lin , Zhigang Tu

Few-shot learning aims to recognize novel queries with limited support samples by learning from base knowledge. Recent progress in this setting assumes that the base knowledge and novel query samples are distributed in the same domains,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Yifan Zhao , Tong Zhang , Jia Li , Yonghong Tian

Few-shot Intent Detection is challenging due to the scarcity of available annotated utterances. Although recent works demonstrate that multi-level matching plays an important role in transferring learned knowledge from seen training classes…

Computation and Language · Computer Science 2020-10-13 Hoang Nguyen , Chenwei Zhang , Congying Xia , Philip S. Yu

The Segment Anything Model (SAM) has demonstrated strong performance in image segmentation of natural scene images. However, its effectiveness diminishes markedly when applied to specific scientific domains, such as Scanning Probe…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Yao Shen , Ziwei Wei , Chunmeng Liu , Shuming Wei , Qi Zhao , Kaiyang Zeng , Guangyao Li

Few-shot classification tasks aim to classify images in query sets based on only a few labeled examples in support sets. Most studies usually assume that each image in a task has a single and unique class association. Under these…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Lu Yin , Vlado Menkovski , Yulong Pei , Mykola Pechenizkiy

Generating video descriptions automatically is a challenging task that involves a complex interplay between spatio-temporal visual features and language models. Given that videos consist of spatial (frame-level) features and their temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Anoop Cherian , Jue Wang , Chiori Hori , Tim K. Marks

Test-time adaptation (TTA) aims to adapt a model, initially trained on training data, to test data with potential distribution shifts. Most existing TTA methods focus on classification problems. The pronounced success of classification…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Chang'an Yi , Haotian Chen , Yifan Zhang , Yonghui Xu , Yan Zhou , Lizhen Cui

Test-Time Adaptation (TTA) adjusts models using unlabeled test data to handle dynamic distribution shifts. However, existing methods rely on frequent adaptation and high computational cost, making them unsuitable for resource-constrained…

Machine Learning · Computer Science 2025-11-20 Hyeongheon Cha , Dong Min Kim , Hye Won Chung , Taesik Gong , Sung-Ju Lee

We propose MASTAF, a Model-Agnostic Spatio-Temporal Attention Fusion network for few-shot video classification. MASTAF takes input from a general video spatial and temporal representation,e.g., using 2D CNN, 3D CNN, and Video Transformer.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Rex Liu , Huanle Zhang , Hamed Pirsiavash , Xin Liu

Modern robotic systems, deployed across domains from industrial automation to domestic assistance, face a critical challenge: executing tasks with precision and adaptability in dynamic, unpredictable environments. To address this, we…

Robotics · Computer Science 2025-03-11 Md Sadman Sakib , Yu Sun

There has been a remarkable progress in learning a model which could recognise novel classes with only a few labeled examples in the last few years. Few-shot learning (FSL) for action recognition is a challenging task of recognising novel…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Neeraj Kumar , Siddhansh Narang

Table retrieval is the task of retrieving the most relevant tables from large-scale corpora given natural language queries. However, structural and semantic discrepancies between unstructured text and structured tables make embedding…

Information Retrieval · Computer Science 2026-01-23 Shui-Hsiang Hsu , Tsung-Hsiang Chou , Chen-Jui Yu , Yao-Chung Fan