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Deep learning has been successfully applied to the single-image super-resolution (SISR) task with great performance in recent years. However, most convolutional neural network based SR models require heavy computation, which limit their…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Chaofeng Wang , Zheng Li , Jun Shi

Deep convolutional neural networks (DCNNs) have recently demonstrated high-quality results in single-image super-resolution (SR). DCNNs often suffer from over-parametrization and large amounts of redundancy, which results in inefficient…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Yinglan Ma , Hongyu Xiong , Zhe Hu , Lizhuang Ma

Deep neural networks have demonstrated highly competitive performance in super-resolution (SR) for natural images by learning mappings from low-resolution (LR) to high-resolution (HR) images. However, hyperspectral super-resolution remains…

图像与视频处理 · 电气工程与系统科学 2025-05-02 Usman Muhammad , Jorma Laaksonen , Lyudmila Mihaylova

Lightweight neural networks for single-image super-resolution (SISR) tasks have made substantial breakthroughs in recent years. Compared to low-frequency information, high-frequency detail is much more difficult to reconstruct. Most SISR…

图像与视频处理 · 电气工程与系统科学 2023-03-22 Xiaotian Weng , Yi Chen , Zhichao Zheng , Yanhui Gu , Junsheng Zhou , Yudong Zhang

Convolutional neural networks can automatically learn features via deep network architectures and given input samples. However, the robustness of obtained models may face challenges in varying scenes. Bigger differences in network…

图像与视频处理 · 电气工程与系统科学 2025-10-21 Ziang Wu , Jinwei Xie , Xuanyu Zhang , Tao Wang , Yongjun Zhang , Qi Zhu , Chunwei Tian

Deep Convolutional Neural Networks (CNN) have drawn great attention in image super-resolution (SR). Recently, visual attention mechanism, which exploits both of the feature importance and contextual cues, has been introduced to image SR and…

图像与视频处理 · 电气工程与系统科学 2019-10-01 Huapeng Wu , Zhengxia Zou , Jie Gui , Wen-Jun Zeng , Jieping Ye , Jun Zhang , Hongyi Liu , Zhihui Wei

In computer vision tasks, the ability to focus on relevant regions within an image is crucial for improving model performance, particularly when key features are small, subtle, or spatially dispersed. Convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Mahmudul Hasan

We propose a novel architecture that learns an end-to-end mapping function to improve the spatial resolution of the input natural images. The model is unique in forming a nonlinear combination of three traditional interpolation techniques…

计算机视觉与模式识别 · 计算机科学 2018-06-25 Ram Krishna Pandey , A G Ramakrishnan

Fine-grained visual recognition typically depends on modeling subtle difference from object parts. However, these parts often exhibit dramatic visual variations such as occlusions, viewpoints, and spatial transformations, making it hard to…

计算机视觉与模式识别 · 计算机科学 2017-09-19 Lin Wu , Yang Wang

A residual-networks family with hundreds or even thousands of layers dominates major image recognition tasks, but building a network by simply stacking residual blocks inevitably limits its optimization ability. This paper proposes a novel…

计算机视觉与模式识别 · 计算机科学 2017-03-07 Ke Zhang , Miao Sun , Tony X. Han , Xingfang Yuan , Liru Guo , Tao Liu

A light-weight super-resolution (LSR) method from a single image targeting mobile applications is proposed in this work. LSR predicts the residual image between the interpolated low-resolution (ILR) and high-resolution (HR) images using a…

图像与视频处理 · 电气工程与系统科学 2023-02-28 Wei Wang , Xuejing Lei , Yueru Chen , Ming-Sui Lee , C. -C. Jay Kuo

General image super-resolution techniques have difficulties in recovering detailed face structures when applying to low resolution face images. Recent deep learning based methods tailored for face images have achieved improved performance…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Chaofeng Chen , Dihong Gong , Hao Wang , Zhifeng Li , Kwan-Yee K. Wong

Recently, Convolutional Neural Networks (CNNs) have shown promising performance in super-resolution (SR). However, these methods operate primarily on Low Resolution (LR) inputs for memory efficiency but this limits, as we demonstrate, their…

计算机视觉与模式识别 · 计算机科学 2019-05-17 Muneeb Aadil , Rafia Rahim , Sibt ul Hussain

Deep Residual Networks have reached the state of the art in many image processing tasks such image classification. However, the cost for a gain in accuracy in terms of depth and memory is prohibitive as it requires a higher number of…

计算机视觉与模式识别 · 计算机科学 2017-03-07 Alexandre Boulch

Successful training of convolutional neural networks is often associated with sufficiently deep architectures composed of high amounts of features. These networks typically rely on a variety of regularization and pruning techniques to…

计算机视觉与模式识别 · 计算机科学 2017-10-23 Martin Mundt , Tobias Weis , Kishore Konda , Visvanathan Ramesh

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Yukai Shi , Jinghui Qin

Vision Transformer (ViT) self-attention mechanism is characterized by feature collapse in deeper layers, resulting in the vanishing of low-level visual features. However, such features can be helpful to accurately represent and identify…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Anxhelo Diko , Danilo Avola , Marco Cascio , Luigi Cinque

Although several image super-resolution solutions exist, they still face many challenges. CNN-based algorithms, despite the reduction in computational complexity, still need to improve their accuracy. While Transformer-based algorithms have…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Nianzu Qiao , Lamei Di , Changyin Sun

In general, image restoration involves mapping from low quality images to their high-quality counterparts. Such optimal mapping is usually non-linear and learnable by machine learning. Recently, deep convolutional neural networks have…

图像与视频处理 · 电气工程与系统科学 2019-11-05 Yuan Zhou , Xiaoting Du , Yeda Zhang , Sun-Yuan Kung

Convolutional layers are an integral part of many deep neural network solutions in computer vision. Recent work shows that replacing the standard convolution operation with mechanisms based on self-attention leads to improved performance on…

计算机视觉与模式识别 · 计算机科学 2020-12-21 Souvik Kundu , Hesham Mostafa , Sharath Nittur Sridhar , Sairam Sundaresan