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In current practice, scene survey is carried out by workers using total stations. The method has high accuracy, but it incurs high costs if continuous monitoring is needed. Techniques based on photogrammetry, with the relatively cheaper…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Kwok-Leung Chan , Liping Li , Arthur Wing-Tak Leung , Ho-Yin Chan

It is well known that the registration process is a key step for super-resolution reconstruction. In this work, we propose to use a piezoelectric system that is easily adaptable on all microscopes and telescopes for controlling accurately…

统计方法学 · 统计学 2014-11-04 Pierre Chainais , Aymeric Leray

This paper develops a mathematical theory of super-resolution. Broadly speaking, super-resolution is the problem of recovering the fine details of an object---the high end of its spectrum---from coarse scale information only---from samples…

信息论 · 计算机科学 2012-11-15 Emmanuel Candes , Carlos Fernandez-Granda

Image super-resolution (SR) is a field in computer vision that focuses on reconstructing high-resolution images from the respective low-resolution image. However, super-resolution is a well-known ill-posed problem as most methods rely on…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Athiya Deviyani , Efe Sinan Hoplamaz , Alan Savio Paul

Facial image super-resolution (SR) is an important preprocessing for facial image analysis, face recognition, and image-based 3D face reconstruction. Recent convolutional neural network (CNN) based method has shown excellent performance by…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Jung Un Yun , In Kyu Park

Super-resolution reconstruction (SRR) is a process aimed at enhancing spatial resolution of images, either from a single observation, based on the learned relation between low and high resolution, or from multiple images presenting the same…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Michal Kawulok , Pawel Benecki , Szymon Piechaczek , Krzysztof Hrynczenko , Daniel Kostrzewa , Jakub Nalepa

Single-image super-resolution is the process of increasing the resolution of an image, obtaining a high-resolution (HR) image from a low-resolution (LR) one. By leveraging large training datasets, convolutional neural networks (CNNs)…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Marija Vella , João F. C. Mota

Hyperspectral images enable precise identification of ground objects by capturing their spectral signatures with fine spectral resolution.While high spatial resolution further enhances this capability, increasing spatial resolution through…

图像与视频处理 · 电气工程与系统科学 2024-10-25 Ankur Garg , Meenakshi Sarkar , S. Manthira Moorthi , Debajyoti Dhar

High-resolution content creation is rapidly emerging as a central challenge in both the vision and graphics communities. Images serve as the most fundamental modality for visual expression, and content generation that aligns with the user…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Junsung Lee , Hyunsoo Lee , Yong Jae Lee , Bohyung Han

Presenting high-resolution (HR) human appearance is always critical for the human-centric videos. However, current imagery equipment can hardly capture HR details all the time. Existing super-resolution algorithms barely mitigate the…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Guanghan Li , Yaping Zhao , Mengqi Ji , Xiaoyun Yuan , Lu Fang

Decompositional reconstruction of 3D scenes, with complete shapes and detailed texture of all objects within, is intriguing for downstream applications but remains challenging, particularly with sparse views as input. Recent approaches…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Junfeng Ni , Yu Liu , Ruijie Lu , Zirui Zhou , Song-Chun Zhu , Yixin Chen , Siyuan Huang

Point clouds or depth images captured by current RGB-D cameras often suffer from low resolution, rendering them insufficient for applications such as 3D reconstruction and robots. Existing point cloud super-resolution (PCSR) methods are…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Zheng Fang , Ke Ye , Yaofang Liu , Gongzhe Li , Xianhong Zhao , Jialong Li , Ruxin Wang , Yuchen Zhang , Xiangyang Ji , Qilin Sun

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

We address the problem of restoring a high-quality image from an observed image sequence strongly distorted by atmospheric turbulence. A novel algorithm is proposed in this paper to reduce geometric distortion as well as…

计算机视觉与模式识别 · 计算机科学 2017-09-20 Chun Pong Lau , Yu Hin Lai , Lok Ming Lui

The accurate reconstruction of dynamic street scenes is critical for applications in autonomous driving, augmented reality, and virtual reality. Traditional methods relying on dense point clouds and triangular meshes struggle with moving…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Peizhen Zheng , Dongjing Jiang , Qingchong Jiao , Redouane EL Bouchtaoui , Flynnwell Jianfei Zhang

Joint estimation of surface normals and depth is essential for holistic 3D scene understanding, yet high-resolution prediction remains difficult due to the trade-off between preserving fine local detail and maintaining global consistency.…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Wenqing Cui , Zhenyu Li , Mykola Lavreniuk , Jian Shi , Ramzi Idoughi , Xiangjun Tang , Peter Wonka

This work presents a new cyclic architecture that extracts high-frequency patterns from images and re-insert them as geometric features. This procedure allows us to enhance the resolution of low-cost depth sensors capturing fine details on…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Liran Azaria , Dan Raviv

City-scale 3D reconstruction from satellite imagery presents the challenge of extreme viewpoint extrapolation, where our goal is to synthesize ground-level novel views from sparse orbital images with minimal parallax. This requires…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Fei Yu , Yu Liu , Luyang Tang , Mingchao Sun , Zengye Ge , Rui Bu , Yuchao Jin , Haisen Zhao , He Sun , Yangyan Li , Mu Xu , Wenzheng Chen , Baoquan Chen

Photorealistic style transfer aims to transfer the style of one image to another, but preserves the original structure and detail outline of the content image, which makes the content image still look like a real shot after the style…

计算机视觉与模式识别 · 计算机科学 2019-04-29 Ming Li , Chunyang Ye , Wei Li

We propose a super-resolution (SR) simulation system that consists of a physics-based meteorological simulation and an SR method based on a deep convolutional neural network (CNN). The CNN is trained using pairs of high-resolution (HR) and…

大气与海洋物理 · 物理学 2019-12-10 Ryo Onishi , Daisuke Sugiyama , Keigo Matsuda