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The precise segmentation of retinal blood vessels is of great significance for early diagnosis of eye-related diseases such as diabetes and hypertension. In this work, we propose a lightweight network named Spatial Attention U-Net (SA-UNet)…

图像与视频处理 · 电气工程与系统科学 2020-10-22 Changlu Guo , Márton Szemenyei , Yugen Yi , Wenle Wang , Buer Chen , Changqi Fan

Face Super-Resolution (SR) is a subfield of the SR domain that specifically targets the reconstruction of face images. The main challenge of face SR is to restore essential facial features without distortion. We propose a novel face SR…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Deokyun Kim , Minseon Kim , Gihyun Kwon , Dae-Shik Kim

In this paper, we propose a novel method for the challenging problem of guided depth map super-resolution, called PAGNet. It is based on residual dense networks and involves the attention mechanism to suppress the texture copying problem…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Arpit Bansal , Sankaraganesh Jonna , Rajiv R. Sahay

The fast development of self-supervised learning lowers the bar learning feature representation from massive unlabeled data and has triggered a series of research on change detection of remote sensing images. Challenges in adapting…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Meiqi Hu , Chen Wu , Liangpei Zhang

Face super-resolution methods usually aim at producing visually appealing results rather than preserving distinctive features for further face identification. In this work, we propose a deep learning method for face verification on very…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Esra Ataer-Cansizoglu , Michael Jones , Ziming Zhang , Alan Sullivan

Facial action unit (AU) detection and face alignment are two highly correlated tasks, since facial landmarks can provide precise AU locations to facilitate the extraction of meaningful local features for AU detection. However, most existing…

计算机视觉与模式识别 · 计算机科学 2020-09-25 Zhiwen Shao , Zhilei Liu , Jianfei Cai , Lizhuang Ma

Deep neural networks face several challenges in hyperspectral image classification, including high-dimensional data, sparse distribution of ground objects, and spectral redundancy, which often lead to classification overfitting and limited…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Guandong Li , Mengxia Ye

In image denoising, deep convolutional neural networks (CNNs) can obtain favorable performance on removing spatially invariant noise. However, many of these networks cannot perform well on removing the real noise (i.e. spatially variant…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Wencong Wu , Shijie Liu , Yi Zhou , Yungang Zhang , Yu Xiang

Triggered by the success of transformers in various visual tasks, the spatial self-attention mechanism has recently attracted more and more attention in the computer vision community. However, we empirically found that a typical vision…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Jiayin Sun , Hong Wang , Qiulei Dong

Convolutional neural networks are the most successful models in single image super-resolution. Deeper networks, residual connections, and attention mechanisms have further improved their performance. However, these strategies often improve…

图像与视频处理 · 电气工程与系统科学 2020-12-09 Parichehr Behjati , Pau Rodriguez , Armin Mehri , Isabelle Hupont , Carles Fernández Tena , Jordi Gonzalez

Recent advancements in multi-scale architectures have demonstrated exceptional performance in image denoising tasks. However, existing architectures mainly depends on a fixed single-input single-output Unet architecture, ignoring the…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Xu Zhao , Chen Zhao , Xiantao Hu , Hongliang Zhang , Ying Tai , Jian Yang

In this paper, we propose a computational efficient end-to-end training deep neural network (CEDNN) model and spatial attention maps based on difference images. Firstly, the difference image is generated by image processing. Then five…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Jing Chen , Chenhui Wang , Kejun Wang , Meichen Liu

To make the best use of the underlying structure of faces, the collective information through face datasets and the intermediate estimates during the upsampling process, here we introduce a fully convolutional multi-stage neural network for…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Ratheesh Kalarot , Tao Li , Fatih Porikli

Deep convolutional neural networks perform better on images containing spatially invariant degradations, also known as synthetic degradations; however, their performance is limited on real-degraded photographs and requires multiple-stage…

计算机视觉与模式识别 · 计算机科学 2020-10-02 Saeed Anwar , Nick Barnes , Lars Petersson

Deep neural networks demonstrate to have a high performance on image classification tasks while being more difficult to train. Due to the complexity and vanishing gradient problem, it normally takes a lot of time and more computational…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Mohammad Sadegh Ebrahimi , Hossein Karkeh Abadi

The rapid development of spatial transcriptomics (ST) offers new opportunities to explore the gene expression patterns within the spatial microenvironment. Current research integrates pathological images to infer gene expression, addressing…

This paper proposes to learn high-performance deep ConvNets with sparse neural connections, referred to as sparse ConvNets, for face recognition. The sparse ConvNets are learned in an iterative way, each time one additional layer is…

计算机视觉与模式识别 · 计算机科学 2015-12-08 Yi Sun , Xiaogang Wang , Xiaoou Tang

In medical images, various types of lesions often manifest significant differences in their shape and texture. Accurate medical image segmentation demands deep learning models with robust capabilities in multi-scale and boundary feature…

图像与视频处理 · 电气工程与系统科学 2024-08-20 Zhenhuan Zhou , Along He , Yanlin Wu , Rui Yao , Xueshuo Xie , Tao Li

In numerous contexts, high-resolution solutions to partial differential equations are required to capture faithfully essential dynamics which occur at small spatiotemporal scales, but these solutions can be very difficult and slow to obtain…

机器学习 · 计算机科学 2024-04-09 Valentin Duruisseaux , Amit Chakraborty

This work aims at designing a lightweight convolutional neural network for image super resolution (SR). With simplicity bare in mind, we construct a pretty concise and effective network with a newly proposed pixel attention scheme. Pixel…

图像与视频处理 · 电气工程与系统科学 2020-10-05 Hengyuan Zhao , Xiangtao Kong , Jingwen He , Yu Qiao , Chao Dong