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Deep neural networks as image priors have been recently introduced for problems such as denoising, super-resolution and inpainting with promising performance gains over hand-crafted image priors such as sparsity and low-rank. Unlike learned…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Gauri Jagatap , Chinmay Hegde

Synthetic aperture radar (SAR) images are widely used in remote sensing. Interpreting SAR images can be challenging due to their intrinsic speckle noise and grayscale nature. To address this issue, SAR colorization has emerged as a research…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Kangqing Shen , Gemine Vivone , Xiaoyuan Yang , Simone Lolli , Michael Schmitt

Recently, most of state-of-the-art single image super-resolution (SISR) methods have attained impressive performance by using deep convolutional neural networks (DCNNs). The existing SR methods have limited performance due to a fixed…

图像与视频处理 · 电气工程与系统科学 2021-07-08 Rao Muhammad Umer , Asad Munir , Christian Micheloni

In this paper, we consider the problem of super-resolution recons-truction. This is a hot topic because super-resolution reconstruction has a wide range of applications in the medical field, remote sensing monitoring, and criminal…

图像与视频处理 · 电气工程与系统科学 2019-07-25 Qi Zhang , Huafeng Wang , Sichen Yang

We introduce a new paradigm for AutoRegressive (AR) image generation, termed Set AutoRegressive Modeling (SAR). SAR generalizes the conventional AR to the next-set setting, i.e., splitting the sequence into arbitrary sets containing…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Wenze Liu , Le Zhuo , Yi Xin , Sheng Xia , Peng Gao , Xiangyu Yue

Deep learning techniques have been successfully applied in many areas of computer vision, including low-level image restoration problems. For image super-resolution, several models based on deep neural networks have been recently proposed…

计算机视觉与模式识别 · 计算机科学 2015-10-16 Zhaowen Wang , Ding Liu , Jianchao Yang , Wei Han , Thomas Huang

Training of Generative Adversarial Network (GAN) on a video dataset is a challenge because of the sheer size of the dataset and the complexity of each observation. In general, the computational cost of training GAN scales exponentially with…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Masaki Saito , Shunta Saito , Masanori Koyama , Sosuke Kobayashi

The primary aim of single-image super-resolution is to construct high-resolution (HR) images from corresponding low-resolution (LR) inputs. In previous approaches, which have generally been supervised, the training objective typically…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Sachit Menon , Alexandru Damian , Shijia Hu , Nikhil Ravi , Cynthia Rudin

In this paper, an efficient super-resolution (SR) method based on deep convolutional neural network (CNN) is proposed, namely Gradual Upsampling Network (GUN). Recent CNN based SR methods often preliminarily magnify the low resolution (LR)…

计算机视觉与模式识别 · 计算机科学 2018-07-05 Yang Zhao , Guoqing Li , Wenjun Xie , Wei Jia , Hai Min , Xiaoping Liu

This work presents an unsupervised deep learning scheme that exploiting high-dimensional assisted score-based generative model for color image restoration tasks. Considering that the sample number and internal dimension in score-based…

图像与视频处理 · 电气工程与系统科学 2021-08-17 Kai Hong , Chunhua Wu , Cailian Yang , Minghui Zhang , Yancheng Lu , Yuhao Wang , Qiegen Liu

Deep learning has been successfully applied to image super resolution (SR). In this paper, we propose a deep joint super resolution (DJSR) model to exploit both external and self similarities for SR. A Stacked Denoising Convolutional Auto…

机器学习 · 计算机科学 2015-04-23 Zhangyang Wang , Yingzhen Yang , Zhaowen Wang , Shiyu Chang , Wei Han , Jianchao Yang , Thomas S. Huang

Synthetic Aperture Radar (SAR) imaging results are highly sensitive to observation geometries and the geometric parameters of targets. However, existing generative methods primarily operate within the image domain, neglecting explicit…

图像与视频处理 · 电气工程与系统科学 2026-01-08 Fan Zhang , Xuanting Wu , Fei Ma , Qiang Yin , Yuxin Hu

Score-based generative models can produce high quality image samples comparable to GANs, without requiring adversarial optimization. However, existing training procedures are limited to images of low resolution (typically below 32x32), and…

机器学习 · 计算机科学 2020-10-27 Yang Song , Stefano Ermon

Field-of-view and resolution trade-offs in X-Ray micro-computed tomography (micro-CT) imaging limit the characterization, analysis and model development of multi-scale porous systems. To this end, we developed an applied methodology…

地球物理 · 物理学 2022-03-17 Samuel J. Jackson , Yufu Niu , Sojwal Manoorkar , Peyman Mostaghimi , Ryan T. Armstrong

We introduce SUPIR (Scaling-UP Image Restoration), a groundbreaking image restoration method that harnesses generative prior and the power of model scaling up. Leveraging multi-modal techniques and advanced generative prior, SUPIR marks a…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Fanghua Yu , Jinjin Gu , Zheyuan Li , Jinfan Hu , Xiangtao Kong , Xintao Wang , Jingwen He , Yu Qiao , Chao Dong

Neural Radiance Fields (NeRF) achieve photorealistic novel view synthesis but become costly when high-resolution (HR) rendering is required, as HR outputs demand dense sampling and higher-capacity models. Moreover, naively super-resolving…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Wanqi Yuan , Omkar Sharad Mayekar , Connor Pennington , Nianyi Li

Three-dimensional segmentation in magnetic resonance images (MRI), which reflects the true shape of the objects, is challenging since high-resolution isotropic MRIs are rare and typical MRIs are anisotropic, with the out-of-plane dimension…

图像与视频处理 · 电气工程与系统科学 2023-03-15 Hanxue Gu , Hongyu He , Roy Colglazier , Jordan Axelrod , Robert French , Maciej A Mazurowski

Hyperspectral imagers on satellites obtain the fine spectral signatures essential for distinguishing one material from another at the expense of limited spatial resolution. Enhancing the latter is thus a desirable preprocessing step in…

图像与视频处理 · 电气工程与系统科学 2025-11-11 Davide Piccinini , Diego Valsesia , Enrico Magli

Deep learning based pan-sharpening has received significant research interest in recent years. Most of existing methods fall into the supervised learning framework in which they down-sample the multi-spectral (MS) and panchromatic (PAN)…

计算机视觉与模式识别 · 计算机科学 2022-06-15 Huanyu Zhou , Qingjie Liu , Dawei Weng , Yunhong Wang

Despite the breakthroughs in accuracy and speed of single image super-resolution using faster and deeper convolutional neural networks, one central problem remains largely unsolved: how do we recover the finer texture details when we…

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