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Single hyperspectral image super-resolution (single-HSI-SR) aims to restore a high-resolution hyperspectral image from a low-resolution observation. However, the prevailing CNN-based approaches have shown limitations in building long-range…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Mingjin Zhang , Chi Zhang , Qiming Zhang , Jie Guo , Xinbo Gao , Jing Zhang

Representation learning has significantly been developed with the advance of contrastive learning methods. Most of those methods have benefited from various data augmentations that are carefully designated to maintain their identities so…

计算机视觉与模式识别 · 计算机科学 2022-01-24 Xiao Wang , Guo-Jun Qi

As a seminal tool in self-supervised representation learning, contrastive learning has gained unprecedented attention in recent years. In essence, contrastive learning aims to leverage pairs of positive and negative samples for…

机器学习 · 计算机科学 2022-02-01 Ching-Yun Ko , Jeet Mohapatra , Sijia Liu , Pin-Yu Chen , Luca Daniel , Lily Weng

Deep convolution-based single image super-resolution (SISR) networks embrace the benefits of learning from large-scale external image resources for local recovery, yet most existing works have ignored the long-range feature-wise…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Yiqun Mei , Yuchen Fan , Yuqian Zhou , Lichao Huang , Thomas S. Huang , Humphrey Shi

We present an analysis of the Locally Competitive Algorithm (LCA), a Hopfield-style neural network that efficiently solves sparse approximation problems (e.g., approximating a vector from a dictionary using just a few non-zero…

动力系统 · 数学 2015-03-19 Aurèle Balavoine , Justin Romberg , Christopher J. Rozell

Recent developments in the field of non-local attention (NLA) have led to a renewed interest in self-similarity-based single image super-resolution (SISR). Researchers usually used the NLA to explore non-local self-similarity (NSS) in SISR…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Jian-Nan Su , Min Gan , Guang-Yong Chen , Wenzhong Guo , C. L. Philip Chen

Modeling long sequences is crucial for various large-scale models; however, extending existing architectures to handle longer sequences presents significant technical and resource challenges. In this paper, we propose an efficient and…

计算与语言 · 计算机科学 2024-10-08 Ning Wang , Zekun Li , Tongxin Bai , Guoqi Li

Block-wise sparse attention offers significant efficiency gains for long-context modeling, yet existing methods often suffer from low selection fidelity and cumulative contextual loss by completely discarding unselected blocks. To address…

计算与语言 · 计算机科学 2026-02-02 Bailin Wang , Dan Friedman , Tao Lei , Chong Wang

In this study, proposes a method for improved object detection from the low-resolution images by integrating Enhanced Super-Resolution Generative Adversarial Networks (ESRGAN) and Faster Region-Convolutional Neural Network (Faster R-CNN).…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Divya Swetha K , Ziaul Haque Choudhury , Hemanta Kumar Bhuyan , Biswajit Brahma , Nilayam Kumar Kamila

Contrastive learning has achieved remarkable success on various high-level tasks, but there are fewer contrastive learning-based methods proposed for low-level tasks. It is challenging to adopt vanilla contrastive learning technologies…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Gang Wu , Junjun Jiang , Xianming Liu

Recently, it has been argued that encoder-decoder models can be made more interpretable by replacing the softmax function in the attention with its sparse variants. In this work, we introduce a novel, simple method for achieving sparsity in…

计算与语言 · 计算机科学 2021-10-07 Biao Zhang , Ivan Titov , Rico Sennrich

Global contexts in images are quite valuable in image-to-image translation problems. Conventional attention-based and graph-based models capture the global context to a large extent, however, these are computationally expensive. Moreover,…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Ayush Singh , Yash Bhambhu , Himanshu Buckchash , Deepak K. Gupta , Dilip K. Prasad

In Diffusion Transformer (DiT) models, particularly for video generation, attention latency is a major bottleneck due to the long sequence length and the quadratic complexity. We find that attention weights can be separated into two parts:…

Image deblurring aims to recover the latent sharp image from its blurry counterpart and has a wide range of applications in computer vision. The Convolution Neural Networks (CNNs) have performed well in this domain for many years, and until…

计算机视觉与模式识别 · 计算机科学 2023-02-07 Lingyan Ruan , Mojtaba Bemana , Hans-peter Seidel , Karol Myszkowski , Bin Chen

The aim of sparse approximation is to estimate a sparse signal according to the measurement matrix and an observation vector. It is widely used in data analytics, image processing, and communication, etc. Up to now, a lot of research has…

信号处理 · 电气工程与系统科学 2018-05-31 Hao Wang , Ruibin Feng , Chi-Sing Leung

Transformer architectures have achieved remarkable success in various domains. While efficient alternatives to Softmax Attention have been widely studied, the search for more expressive mechanisms grounded in theoretical insight-even at…

机器学习 · 计算机科学 2025-10-03 Yifei Zuo , Yutong Yin , Zhichen Zeng , Ang Li , Banghua Zhu , Zhaoran Wang

Self-Attention has become prevalent in computer vision models. Inspired by fully connected Conditional Random Fields (CRFs), we decompose self-attention into local and context terms. They correspond to the unary and binary terms in CRF and…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Chenglin Yang , Siyuan Qiao , Adam Kortylewski , Alan Yuille

Vision Language Models (VLMs) face challenges in effectively coordinating diverse attention mechanisms for cross-modal embedding learning, leading to mismatched attention and suboptimal performance. We propose Consistent Cross-layer…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Yifan Wang , Hongfeng Ai , Quangao Liu , Maowei Jiang , Ruiyuan Kang , Ruiqi Li , Jiahua Dong , Mengting Xiao , Cheng Jiang , Chenzhong Li

More and more evidence has shown that strengthening layer interactions can enhance the representation power of a deep neural network, while self-attention excels at learning interdependencies by retrieving query-activated information.…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Yanwen Fang , Yuxi Cai , Jintai Chen , Jingyu Zhao , Guangjian Tian , Guodong Li

Cross-domain Sequential Recommendation (CSR) is an emerging yet challenging task that depicts the evolution of behavior patterns for overlapped users by modeling their interactions from multiple domains. Existing studies on CSR mainly focus…

信息检索 · 计算机科学 2023-04-18 Jinyu Zhang , Huichuan Duan , Lei Guo , Liancheng Xu , Xinhua Wang