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The vanilla self-attention mechanism inherently relies on pre-defined and steadfast computational dimensions. Such inflexibility restricts it from possessing context-oriented generalization that can bring more contextual cues and global…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Rui Yang , Hailong Ma , Jie Wu , Yansong Tang , Xuefeng Xiao , Min Zheng , Xiu Li

Transformer-based models have revolutionized the field of image super-resolution (SR) by harnessing their inherent ability to capture complex contextual features. The overlapping rectangular shifted window technique used in transformer…

图像与视频处理 · 电气工程与系统科学 2024-03-26 Abhisek Ray , Gaurav Kumar , Maheshkumar H. Kolekar

Image generation has been successfully cast as an autoregressive sequence generation or transformation problem. Recent work has shown that self-attention is an effective way of modeling textual sequences. In this work, we generalize a…

计算机视觉与模式识别 · 计算机科学 2018-06-19 Niki Parmar , Ashish Vaswani , Jakob Uszkoreit , Łukasz Kaiser , Noam Shazeer , Alexander Ku , Dustin Tran

Depth completion aims to predict dense depth maps with sparse depth measurements from a depth sensor. Currently, Convolutional Neural Network (CNN) based models are the most popular methods applied to depth completion tasks. However,…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Jian Qian , Miao Sun , Ashley Lee , Jie Li , Shenglong Zhuo , Patrick Yin Chiang

Image restoration is a long-standing low-level vision problem that aims to restore high-quality images from low-quality images (e.g., downscaled, noisy and compressed images). While state-of-the-art image restoration methods are based on…

图像与视频处理 · 电气工程与系统科学 2021-08-24 Jingyun Liang , Jiezhang Cao , Guolei Sun , Kai Zhang , Luc Van Gool , Radu Timofte

Transformer-based methods have shown impressive performance in low-level vision tasks, such as image super-resolution. However, we find that these networks can only utilize a limited spatial range of input information through attribution…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Xiangyu Chen , Xintao Wang , Jiantao Zhou , Yu Qiao , Chao Dong

Learned image compression methods have exhibited superior rate-distortion performance than classical image compression standards. Most existing learned image compression models are based on Convolutional Neural Networks (CNNs). Despite…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Renjie Zou , Chunfeng Song , Zhaoxiang Zhang

To address the high resolution of image pixels, the Swin Transformer introduces window attention. This mechanism divides an image into non-overlapping windows and restricts attention computation to within each window, significantly…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Zhendong Zhang

Window-based transformers excel in large-scale point cloud understanding by capturing context-aware representations with affordable attention computation in a more localized manner. However, the sparse nature of point clouds leads to a…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Chenhang He , Ruihuang Li , Guowen Zhang , Lei Zhang

Self-attention has recently been adopted for a wide range of sequence modeling problems. Despite its effectiveness, self-attention suffers from quadratic compute and memory requirements with respect to sequence length. Successful approaches…

机器学习 · 计算机科学 2020-10-27 Aurko Roy , Mohammad Saffar , Ashish Vaswani , David Grangier

Fast MRI aims to reconstruct a high fidelity image from partially observed measurements. Exuberant development in fast MRI using deep learning has been witnessed recently. Meanwhile, novel deep learning paradigms, e.g., Transformer based…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Jiahao Huang , Xiaodan Xing , Zhifan Gao , Guang Yang

Transformer-based models have achieved remarkable results in low-level vision tasks including image super-resolution (SR). However, early Transformer-based approaches that rely on self-attention within non-overlapping windows encounter…

图像与视频处理 · 电气工程与系统科学 2024-04-18 Cansu Korkmaz , A. Murat Tekalp

The Swin Transformer image super-resolution (SR) reconstruction network primarily depends on the long-range relationship of the window and shifted window attention to explore features. However, this approach focuses only on global features,…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Yuming Huang , Yingpin Chen , Changhui Wu , Binhui Song , Hui Wang

Window-based transformers have demonstrated outstanding performance in super-resolution tasks due to their adaptive modeling capabilities through local self-attention (SA). However, they exhibit higher computational complexity and inference…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Zhenyu Hu , Wanjie Sun

Transformers have shown dominant performance across a range of domains including language and vision. However, their computational cost grows quadratically with the sequence length, making their usage prohibitive for resource-constrained…

计算与语言 · 计算机科学 2023-10-24 Yinghan Long , Sayeed Shafayet Chowdhury , Kaushik Roy

Recent Vision Transformer~(ViT) models have demonstrated encouraging results across various computer vision tasks, thanks to their competence in modeling long-range dependencies of image patches or tokens via self-attention. These models,…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Sucheng Ren , Daquan Zhou , Shengfeng He , Jiashi Feng , Xinchao Wang

We introduce the Large Sparse Reconstruction Model to study how scaling transformer context windows impacts feed-forward 3D reconstruction. Although recent object-centric feed-forward methods deliver robust, high-quality reconstruction,…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Zhengqin Li , Cheng Zhang , Jakob Engel , Zhao Dong

Pansharpening aims to fuse a registered high-resolution panchromatic image (PAN) with a low-resolution hyperspectral image (LR-HSI) to generate an enhanced HSI with high spectral and spatial resolution. Existing pansharpening approaches…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Wele Gedara Chaminda Bandara , Vishal M. Patel

Self-attention has become a defacto choice for capturing global context in various vision applications. However, its quadratic computational complexity with respect to image resolution limits its use in real-time applications, especially…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Abdelrahman Shaker , Muhammad Maaz , Hanoona Rasheed , Salman Khan , Ming-Hsuan Yang , Fahad Shahbaz Khan

To benefit the complementary information between heterogeneous data, we introduce a new Multimodal Transformer (MMFormer) for Remote Sensing (RS) image classification using Hyperspectral Image (HSI) accompanied by another source of data…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Bo Zhang , Zuheng Ming , Wei Feng , Yaqian Liu , Liang He , Kaixing Zhao