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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

Visual Simultaneous Localization and Mapping (SLAM) plays a crucial role in autonomous systems. Traditional SLAM methods, based on static environment assumptions, struggle to handle complex dynamic environments. Recent dynamic SLAM systems…

Robotics · Computer Science 2025-09-04 Haolan Zhang , Thanh Nguyen Canh , Chenghao Li , Ruidong Yang , Yonghoon Ji , Nak Young Chong

Descriptive region features extracted by object detection networks have played an important role in the recent advancements of image captioning. However, they are still criticized for the lack of contextual information and fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Yunpeng Luo , Jiayi Ji , Xiaoshuai Sun , Liujuan Cao , Yongjian Wu , Feiyue Huang , Chia-Wen Lin , Rongrong Ji

Matching visible and near-infrared (NIR) images remains a significant challenge in remote sensing image fusion. The nonlinear radiometric differences between heterogeneous remote sensing images make the image matching task even more…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wang Zhang , Tingting Li , Yuntian Zhang , Gensheng Pei , Xiruo Jiang , Yazhou Yao

Vision Transformers achieved outstanding performance in many computer vision tasks. Early Vision Transformers such as ViT and DeiT adopt global self-attention, which is computationally expensive when the number of patches is large. To…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Tan Yu , Gangming Zhao , Ping Li , Yizhou Yu

The convolution layer has been the dominant feature extractor in computer vision for years. However, the spatial aggregation in convolution is basically a pattern matching process that applies fixed filters which are inefficient at modeling…

Computer Vision and Pattern Recognition · Computer Science 2019-04-26 Han Hu , Zheng Zhang , Zhenda Xie , Stephen Lin

Detecting AI-synthetic faces presents a critical challenge: it is hard to capture consistent structural relationships between facial regions across diverse generation techniques. Current methods, which focus on specific artifacts rather…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Jiangling Zhang , Weijie Zhu , Jirui Huang , Yaxiong Chen

Medical image segmentation has witnessed significant advancements with the emergence of deep learning. However, the reliance of most neural network models on a substantial amount of annotated data remains a challenge for medical image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Xiaoxiao Wu , Xiaowei Chen , Zhenguo Gao , Shulei Qu , Yuanyuan Qiu

The space of task-agnostic feature upsampling has emerged as a promising area of research to efficiently create denser features from pre-trained visual backbones. These methods act as a shortcut to achieve dense features for a fraction of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Matthew Walmer , Saksham Suri , Anirud Aggarwal , Abhinav Shrivastava

The portrait matting task aims to extract an alpha matte with complete semantics and finely-detailed contours. In comparison to CNN-based approaches, transformers with self-attention module have a better capacity to capture long-range…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Zitao Wang , Qiguang Miao , Peipei Zhao , Yue Xi

We propose a novel transformer-style architecture called Global-Local Filter Network (GLFNet) for medical image segmentation and demonstrate its state-of-the-art performance. We replace the self-attention mechanism with a combination of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Athanasios Tragakis , Qianying Liu , Chaitanya Kaul , Swalpa Kumar Roy , Hang Dai , Fani Deligianni , Roderick Murray-Smith , Daniele Faccio

Recently, window-based attention methods have shown great potential for computer vision tasks, particularly in Single Image Super-Resolution (SISR). However, it may fall short in capturing long-range dependencies and relationships between…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Dinh Phu Tran , Dao Duy Hung , Daeyoung Kim

Recently, substantial research effort has focused on how to apply CNNs or RNNs to better extract temporal patterns from videos, so as to improve the accuracy of video classification. In this paper, however, we show that temporal…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Xiang Long , Chuang Gan , Gerard de Melo , Jiajun Wu , Xiao Liu , Shilei Wen

This study tackles the challenge of image matching in difficult scenarios, such as scenes with significant variations or limited texture, with a strong emphasis on computational efficiency. Previous studies have attempted to address this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Khang Truong Giang , Soohwan Song , Sungho Jo

Visual SLAM is particularly challenging in environments affected by noise, varying lighting conditions, and darkness. Learning-based optical flow algorithms can leverage multiple modalities to address these challenges, but traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Youjie Zhou , Guofeng Mei , Yiming Wang , Yi Wan , Fabio Poiesi

To achieve accurate and robust object detection in the real-world scenario, various forms of images are incorporated, such as color, thermal, and depth. However, multimodal data often suffer from the position shift problem, i.e., the image…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Lu Zhang , Zhiyong Liu , Xiangyu Zhu , Zhan Song , Xu Yang , Zhen Lei , Hong Qiao

Conversational emotion recognition (CER) is an important research topic in human-computer interactions. {Although recent advancements in transformer-based cross-modal fusion methods have shown promise in CER tasks, they tend to overlook the…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Yuntao Shou , Huan Liu , Xiangyong Cao , Deyu Meng , Bo Dong

Establishing the correct correspondence of feature points is a fundamental task in computer vision. However, the presence of numerous outliers among the feature points can significantly affect the matching results, reducing the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Shuyuan Lin , Yu Guo , Xiao Chen , Yanjie Liang , Guobao Xiao , Feiran Huang

Deeply learned representations have achieved superior image retrieval performance in a retrieve-then-rerank manner. Recent state-of-the-art single stage model, which heuristically fuses local and global features, achieves promising…

Computer Vision and Pattern Recognition · Computer Science 2022-07-04 Yuxin Song , Ruolin Zhu , Min Yang , Dongliang He

We present a novel local-global feature fusion framework for body-weight exercise recognition with floor-based dynamic pressure maps. One step further from the existing studies using deep neural networks mainly focusing on global feature…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Davinder Pal Singh , Lala Shakti Swarup Ray , Bo Zhou , Sungho Suh , Paul Lukowicz