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Existing visual change detectors usually adopt CNNs or Transformers for feature representation learning and focus on learning effective representation for the changed regions between images. Although good performance can be obtained by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Bo Jiang , Zitian Wang , Xixi Wang , Ziyan Zhang , Lan Chen , Xiao Wang , Bin Luo

Transformers excel across domains, yet their quadratic attention complexity poses a barrier to scaling. Random-feature attention, as in Performers, can reduce this cost to linear in the sequence length by approximating the softmax kernel…

Machine Learning · Computer Science 2026-03-05 Amirhossein Farzam , Hossein Mobahi , Nolan Andrew Miller , Luke Sernau

This paper studies the fast adaptive beamforming for the multiuser multiple-input single-output downlink. Existing deep learning-based approaches assume that training and testing channels follow the same distribution which causes task…

Information Theory · Computer Science 2021-09-21 Juping Zhang , Yi Yuan , Gan Zheng , Ioannis Krikidis , Kai-Kit Wong

As a vital aspect of affective computing, Multimodal Emotion Recognition has been an active research area in the multimedia community. Despite recent progress, this field still confronts two major challenges in real-world applications: 1)…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Chengxin Chen , Pengyuan Zhang

Anomaly detection in complex industrial processes plays a pivotal role in ensuring efficient, stable, and secure operation. Existing anomaly detection methods primarily focus on analyzing dominant anomalies using the process variables (such…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Gaochang Wu , Yapeng Zhang , Lan Deng , Jingxin Zhang , Tianyou Chai

Person re-identification aims to retrieve persons in highly varying settings across different cameras and scenarios, in which robust and discriminative representation learning is crucial. Most research considers learning representations…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Haochen Wang , Jiayi Shen , Yongtuo Liu , Yan Gao , Efstratios Gavves

Learning feature interaction is the critical backbone to building recommender systems. In web-scale applications, learning feature interaction is extremely challenging due to the sparse and large input feature space; meanwhile, manually…

Information Retrieval · Computer Science 2023-11-13 Huan Gui , Ruoxi Wang , Ke Yin , Long Jin , Maciej Kula , Taibai Xu , Lichan Hong , Ed H. Chi

Feature matching is a cornerstone task in computer vision, essential for applications such as image retrieval, stereo matching, 3D reconstruction, and SLAM. This survey comprehensively reviews modality-based feature matching, exploring…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Weide Liu , Wei Zhou , Jun Liu , Ping Hu , Jun Cheng , Jungong Han , Weisi Lin

Super-resolution remains a promising technique to enhance the quality of low-resolution images. This study introduces CATformer (Contrastive Adversarial Transformer), a novel neural network integrating diffusion-inspired feature refinement…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Qinyi Tian , Spence Cox , Laura E. Dalton

Recent works in dataset distillation seek to minimize training expenses by generating a condensed synthetic dataset that encapsulates the information present in a larger real dataset. These approaches ultimately aim to attain test accuracy…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Samir Khaki , Ahmad Sajedi , Kai Wang , Lucy Z. Liu , Yuri A. Lawryshyn , Konstantinos N. Plataniotis

Conventional wisdom suggests that pre-training Vision Transformers (ViT) improves downstream performance by learning useful representations. Is this actually true? We investigate this question and find that the features and representations…

Machine Learning · Computer Science 2024-11-15 Alexander C. Li , Yuandong Tian , Beidi Chen , Deepak Pathak , Xinlei Chen

Recently, pure transformer-based models have shown great potentials for vision tasks such as image classification and detection. However, the design of transformer networks is challenging. It has been observed that the depth, embedding…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Minghao Chen , Houwen Peng , Jianlong Fu , Haibin Ling

Semantic segmentation involves assigning a specific category to each pixel in an image. While Vision Transformer-based models have made significant progress, current semantic segmentation methods often struggle with precise predictions in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Guoan Xu , Wenfeng Huang , Tao Wu , Ligeng Chen , Wenjing Jia , Guangwei Gao , Xiatian Zhu , Stuart Perry

Transformers have recently gained increasing attention in computer vision. However, existing studies mostly use Transformers for feature representation learning, e.g. for image classification and dense predictions, and the generalizability…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Shengcai Liao , Ling Shao

Due to the over-fitting problem caused by imbalance samples, there is still room to improve the performance of data-driven automatic modulation classification (AMC) in noisy scenarios. By fully considering the signal characteristics, an AMC…

Signal Processing · Electrical Eng. & Systems 2022-03-08 Hao Shi , Qi Peng , Yiqi Zhuang

While attention-based approaches have shown considerable progress in enhancing image fusion and addressing the challenges posed by long-range feature dependencies, their efficacy in capturing local features is compromised by the lack of…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Jingjing Liu , Li Zhang , Xiaoyang Zeng , Wanquan Liu , Jianhua Zhang

We present a novel method for local image feature matching. Instead of performing image feature detection, description, and matching sequentially, we propose to first establish pixel-wise dense matches at a coarse level and later refine the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Jiaming Sun , Zehong Shen , Yuang Wang , Hujun Bao , Xiaowei Zhou

As a specific semantic segmentation task, aerial imagery segmentation has been widely employed in high spatial resolution (HSR) remote sensing images understanding. Besides common issues (e.g. large scale variation) faced by general…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Lin Huang , Qiyuan Dong , Lijun Wu , Jia Zhang , Jiang Bian , Tie-Yan Liu

Multi-sensor modal fusion has demonstrated strong advantages in 3D object detection tasks. However, existing methods that fuse multi-modal features require transforming features into the bird's eye view space and may lose certain…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chunyong Hu , Hang Zheng , Kun Li , Jianyun Xu , Weibo Mao , Maochun Luo , Lingxuan Wang , Mingxia Chen , Qihao Peng , Kaixuan Liu , Yiru Zhao , Peihan Hao , Minzhe Liu , Kaicheng Yu

Anchors is a popular local model-agnostic explanation technique whose applicability is limited by its computational inefficiency. To address this limitation, we propose a memorization-based framework that accelerates Anchors while…

Machine Learning · Computer Science 2026-01-29 Haonan Yu , Junhao Liu , Xin Zhang
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