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Zero-shot learning enables the model to recognize unseen categories with the aid of auxiliary semantic information such as attributes. Current works proposed to detect attributes from local image regions and align extracted features with…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Junzhe Xu , Suling Duan , Chenwei Tang , Zhenan He , Jiancheng Lv

Benefiting from its succinctness and robustness, skeleton-based action recognition has recently attracted much attention. Most existing methods utilize local networks (e.g., recurrent, convolutional, and graph convolutional networks) to…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Guyue Hu , Bo Cui , Shan Yu

In this paper, we propose a subspace representation learning (SRL) framework to tackle few-shot image classification tasks. It exploits a subspace in local CNN feature space to represent an image, and measures the similarity between two…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Ting-Yao Hu , Zhi-Qi Cheng , Alexander G. Hauptmann

With the rapid advancements in wireless communication technology, automatic modulation recognition (AMR) plays a critical role in ensuring communication security and reliability. However, numerous challenges, including higher performance…

机器学习 · 计算机科学 2025-02-27 Dongwei Xu , Yutao Zhu , Yao Lu , Youpeng Feng , Yun Lin , Qi Xuan

Few-shot video action recognition is an effective approach to recognizing new categories with only a few labeled examples, thereby reducing the challenges associated with collecting and annotating large-scale video datasets. Existing…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Sarinda Samarasinghe , Mamshad Nayeem Rizve , Navid Kardan , Mubarak Shah

We introduce Spatial-Temporal Memory Networks for video object detection. At its core, a novel Spatial-Temporal Memory module (STMM) serves as the recurrent computation unit to model long-term temporal appearance and motion dynamics. The…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Fanyi Xiao , Yong Jae Lee

Multivariate time series modeling and prediction problems are abundant in many machine learning application domains. Accurate interpretation of such prediction outcomes from a machine learning model that explicitly captures temporal…

机器学习 · 计算机科学 2020-10-27 Tryambak Gangopadhyay , Sin Yong Tan , Zhanhong Jiang , Rui Meng , Soumik Sarkar

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

Few-shot object counting aims to count the number of objects in a query image that belong to the same class as the given exemplar images. Existing methods compute the similarity between the query image and exemplars in the 2D spatial domain…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Yuanwu Xu , Feifan Song , Haofeng Zhang

Few-shot semantic segmentation aims to segment novel-class objects in a query image with only a few annotated examples in support images. Most of advanced solutions exploit a metric learning framework that performs segmentation through…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Jiacheng Chen , Bin-Bin Gao , Zongqing Lu , Jing-Hao Xue , Chengjie Wang , Qingmin Liao

Few-shot learning is often motivated by the ability of humans to learn new tasks from few examples. However, standard few-shot classification benchmarks assume that the representation is learned on a limited amount of base class data,…

计算机视觉与模式识别 · 计算机科学 2020-02-19 Yann Lifchitz , Yannis Avrithis , Sylvaine Picard

A central task in computational drug discovery is to construct models from known active molecules to find further promising molecules for subsequent screening. However, typically only very few active molecules are known. Therefore, few-shot…

Learning from spatio-temporal data has numerous applications such as human-behavior analysis, object tracking, video compression, and physics simulation.However, existing methods still perform poorly on challenging video tasks such as…

机器学习 · 计算机科学 2020-10-06 Jiahao Su , Wonmin Byeon , Jean Kossaifi , Furong Huang , Jan Kautz , Animashree Anandkumar

Recent advances in transformer-based lightweight object tracking have established new standards across benchmarks, leveraging the global receptive field and powerful feature extraction capabilities of attention mechanisms. Despite these…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Junze Shi , Yang Yu , Jian Shi , Haibo Luo

Few-shot learning (FSL) aims to recognize new concepts using a limited number of visual samples. Existing approaches attempt to incorporate semantic information into the limited visual data for category understanding. However, these methods…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Mushui Liu , Fangtai Wu , Bozheng Li , Ziqian Lu , Yunlong Yu , Xi Li

The task of Few-shot learning (FSL) aims to transfer the knowledge learned from base categories with sufficient labelled data to novel categories with scarce known information. It is currently an important research question and has great…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Chengming Xu , Chen Liu , Xinwei Sun , Siqian Yang , Yabiao Wang , Chengjie Wang , Yanwei Fu

Few-shot image classification remains a critical challenge in the field of computer vision, particularly in data-scarce environments. Existing methods typically rely on pre-trained visual-language models, such as CLIP. However, due to the…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Xi Yang , Pai Peng , Wulin Xie , Xiaohuan Lu , Jie Wen

Skeleton-based action recognition has made great progress recently, but many problems still remain unsolved. For example, most of the previous methods model the representations of skeleton sequences without abundant spatial structure…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Chenyang Si , Ya Jing , Wei Wang , Liang Wang , Tieniu Tan

The goal of few-shot fine-grained image classification is to recognize rarely seen fine-grained objects in the query set, given only a few samples of this class in the support set. Previous works focus on learning discriminative image…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Yike Wu , Bo Zhang , Gang Yu , Weixi Zhang , Bin Wang , Tao Chen , Jiayuan Fan

We address human action recognition from multi-modal video data involving articulated pose and RGB frames and propose a two-stream approach. The pose stream is processed with a convolutional model taking as input a 3D tensor holding data…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Fabien Baradel , Christian Wolf , Julien Mille