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Convolution neural networks (CNNs) have succeeded in compressive image sensing. However, due to the inductive bias of locality and weight sharing, the convolution operations demonstrate the intrinsic limitations in modeling the long-range…

图像与视频处理 · 电气工程与系统科学 2022-01-03 Dongjie Ye , Zhangkai Ni , Hanli Wang , Jian Zhang , Shiqi Wang , Sam Kwong

In this work, we introduce SPFormer, a novel Vision Transformer enhanced by superpixel representation. Addressing the limitations of traditional Vision Transformers' fixed-size, non-adaptive patch partitioning, SPFormer employs superpixels…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Jieru Mei , Liang-Chieh Chen , Alan Yuille , Cihang Xie

Learning meaningful local and global information remains a challenge in point cloud segmentation tasks. When utilizing local information, prior studies indiscriminately aggregates neighbor information from different classes to update query…

计算机视觉与模式识别 · 计算机科学 2024-08-23 Abiao Li , Chenlei Lv , Guofeng Mei , Yifan Zuo , Jian Zhang , Yuming Fang

Transformer-based models have emerged as promising tools for time series forecasting. However, these model cannot make accurate prediction for long input time series. On the one hand, they failed to capture global dependencies within time…

机器学习 · 计算机科学 2023-08-16 YanJun Zhao , Ziqing Ma , Tian Zhou , Liang Sun , Mengni Ye , Yi Qian

Semantic segmentation assigns labels to pixels in images, a critical yet challenging task in computer vision. Convolutional methods, although capturing local dependencies well, struggle with long-range relationships. Vision Transformers…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Mian Muhammad Naeem Abid , Nancy Mehta , Zongwei Wu , Radu Timofte

The CNN-based methods have achieved impressive results in medical image segmentation, but they failed to capture the long-range dependencies due to the inherent locality of the convolution operation. Transformer-based methods are recently…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Xiaohong Huang , Zhifang Deng , Dandan Li , Xueguang Yuan

Ultra-high-definition (UHD) video denoising requires simultaneously suppressing complex spatio-temporal degradations, preserving fine textures and chromatic stability, and maintaining efficient full-resolution 4K deployment. In this paper,…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Weiyuan He , Chen Wu , Pengwen Dai , Wei Wang , Dianjie Lu , Guijuan Zhang , Linwei Fan , Yongzhen Wang , Zhuoran Zheng

High dynamic range (HDR) imaging from multiple low dynamic range (LDR) images has been suffering from ghosting artifacts caused by scene and objects motion. Existing methods, such as optical flow based and end-to-end deep learning based…

图像与视频处理 · 电气工程与系统科学 2023-11-09 Tianhong Dai , Wei Li , Xilei Cao , Jianzhuang Liu , Xu Jia , Ales Leonardis , Youliang Yan , Shanxin Yuan

Object parts serve as crucial intermediate representations in various downstream tasks, but part-level representation learning still has not received as much attention as other vision tasks. Previous research has established that Vision…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Jiahao Xia , Wenjian Huang , Min Xu , Jianguo Zhang , Haimin Zhang , Ziyu Sheng , Dong Xu

Deep image registration has demonstrated exceptional accuracy and fast inference. Recent advances have adopted either multiple cascades or pyramid architectures to estimate dense deformation fields in a coarse-to-fine manner. However, due…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Xinxing Cheng , Xi Jia , Wenqi Lu , Qiufu Li , Linlin Shen , Alexander Krull , Jinming Duan

Biomedical signal classification presents unique challenges due to long sequences, complex temporal dynamics, and multi-scale frequency patterns that are poorly captured by standard transformer architectures. We propose WaveFormer, a…

机器学习 · 计算机科学 2026-02-13 Habib Irani , Bikram De , Vangelis Metsis

In this paper, we present Uformer, an effective and efficient Transformer-based architecture for image restoration, in which we build a hierarchical encoder-decoder network using the Transformer block. In Uformer, there are two core…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Zhendong Wang , Xiaodong Cun , Jianmin Bao , Wengang Zhou , Jianzhuang Liu , Houqiang Li

Convolutional neural network (CNN) based methods have achieved great successes in medical image segmentation, but their capability to learn global representations is still limited due to using small effective receptive fields of convolution…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Pengfei Gu , Yejia Zhang , Chaoli Wang , Danny Z. Chen

Hyperspectral image classification (HSIC) has gained significant attention because of its potential in analyzing high-dimensional data with rich spectral and spatial information. In this work, we propose the Differential Spatial-Spectral…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Muhammad Ahmad , Manuel Mazzara , Salvatore Distefano , Adil Mehmood Khan , Silvia Liberata Ullo

Modern vision backbones for 3D medical imaging typically process dense voxel grids through parameter-heavy encoder-decoder structures, a design that allocates a significant portion of its parameters to spatial reconstruction rather than…

Graph Transformer (GT), as a special type of Graph Neural Networks (GNNs), utilizes multi-head attention to facilitate high-order message passing. However, this also imposes several limitations in node classification applications: 1) nodes…

机器学习 · 计算机科学 2024-10-16 Jiajun Zhou , Xuanze Chen , Chenxuan Xie , Yu Shanqing , Qi Xuan , Xiaoniu Yang

Fine-grained visual recognition is to classify objects with visually similar appearances into subcategories, which has made great progress with the development of deep CNNs. However, handling subtle differences between different…

计算机视觉与模式识别 · 计算机科学 2022-12-29 Yifan Zhao , Jia Li , Xiaowu Chen , Yonghong Tian

This paper proposes UHDformer, a general Transformer for Ultra-High-Definition (UHD) image restoration. UHDformer contains two learning spaces: (a) learning in high-resolution space and (b) learning in low-resolution space. The former…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Cong Wang , Jinshan Pan , Wei Wang , Gang Fu , Siyuan Liang , Mengzhu Wang , Xiao-Ming Wu , Jun Liu

Accurate segmentation of heterogeneous anatomical structures is pivotal for computer-aided diagnosis and subsequent clinical decision-making. Although U-Net based convolutional neural networks have achieved remarkable progress, their…

计算机视觉与模式识别 · 计算机科学 2026-01-01 Jun Ding , Shang Gao

Recent advances in image editing techniques have posed serious challenges to the trustworthiness of multimedia data, which drives the research of image tampering detection. In this paper, we propose ObjectFormer to detect and localize image…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Junke Wang , Zuxuan Wu , Jingjing Chen , Xintong Han , Abhinav Shrivastava , Ser-Nam Lim , Yu-Gang Jiang