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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…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Deokyun Kim , Minseon Kim , Gihyun Kwon , Dae-Shik Kim

Reference-based super-resolution (RefSR) has gained considerable success in the field of super-resolution with the addition of high-resolution reference images to reconstruct low-resolution (LR) inputs with more high-frequency details,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Xiaoyong Mei , Yi Yang , Ming Li , Changqin Huang , Kai Zhang , Pietro Lió

3D super-resolution aims to reconstruct high-fidelity 3D models from low-resolution (LR) multi-view images. Early studies primarily focused on single-image super-resolution (SISR) models to upsample LR images into high-resolution images.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Hyun-kyu Ko , Dongheok Park , Youngin Park , Byeonghyeon Lee , Juhee Han , Eunbyung Park

Multispectral imaging (MSI) plays a critical role in material classification, environmental monitoring, and remote sensing. However, MSI sensors typically have wavelength-dependent resolution, which limits downstream analysis. MSI…

Image and Video Processing · Electrical Eng. & Systems 2026-03-10 Haley Duba-Sullivan , Emma J. Reid , Sophie Voisin , Charles A. Bouman , Gregery T. Buzzard

Structures matter in single image super-resolution (SISR). Benefiting from generative adversarial networks (GANs), recent studies have promoted the development of SISR by recovering photo-realistic images. However, there are still undesired…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Cheng Ma , Yongming Rao , Jiwen Lu , Jie Zhou

Single-image super-resolution (SR) has achieved remarkable progress with deep learning, yet most approaches rely on distortion-oriented losses or heuristic perceptual priors, which often lead to a trade-off between fidelity and visual…

Image and Video Processing · Electrical Eng. & Systems 2026-02-26 Wei Zhou , Yixiao Li , Hadi Amirpour , Xiaoshuai Hao , Jiang Liu , Peng Wang , Hantao Liu

The objective of image super-resolution is to reconstruct a high-resolution (HR) image with the prior knowledge from one or several low-resolution (LR) images. However, in the real world, due to the limited complementary information, the…

Image and Video Processing · Electrical Eng. & Systems 2024-12-16 Jing Sun , Qiangqiang Yuan , Huanfeng Shen , Jie Li , Liangpei Zhang

Most single image super-resolution (SR) methods are developed on synthetic low-resolution (LR) and high-resolution (HR) image pairs, which are simulated by a predetermined degradation operation, e.g., bicubic downsampling. However, these…

Image and Video Processing · Electrical Eng. & Systems 2021-10-22 Rui Ma , Johnathan Czernik , Xian Du

A low-resolution digital surface model (DSM) features distinctive attributes impacted by noise, sensor limitations and data acquisition conditions, which failed to be replicated using simple interpolation methods like bicubic. This causes…

Image and Video Processing · Electrical Eng. & Systems 2024-04-08 Daniel Panangian , Ksenia Bittner

Physics-based differentiable rendering (PBDR) has become an efficient method in computer vision, graphics, and machine learning for addressing an array of inverse problems. PBDR allows patterns to be generated from perceptions which can be…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Preetish Kakkar , Srijani Mukherjee , Hariharan Ragothaman , Vishal Mehta

Existing real-world super-resolution (RSR) methods based on generative priors have achieved remarkable progress in producing high-quality and globally consistent reconstructions. However, they often struggle to recover fine-grained details…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Zixin Guo , Kai Zhao , Luyan Zhang

Image rescaling (IR) seeks to determine the optimal low-resolution (LR) representation of a high-resolution (HR) image to reconstruct a high-quality super-resolution (SR) image. Typically, HR images with resolutions exceeding 2K possess…

Image and Video Processing · Electrical Eng. & Systems 2024-12-17 Jian Li , Siwang Zhou

Reconstructing real-world 3D objects has numerous applications in computer vision, such as virtual reality, video games, and animations. Ideally, 3D reconstruction methods should generate high-fidelity results with 3D consistency in…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Jingnan Gao , Zhuo Chen , Yichao Yan , Bowen Pan , Zhe Wang , Jiangjing Lyu , Xiaokang Yang

Diffusion-based super-resolution (SR) is a key component in video generation and video restoration, but is slow and expensive, limiting scalability to higher resolutions and longer videos. Our key insight is that many regions in video are…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Rohan Choudhury , Shanchuan Lin , Jianyi Wang , Hao Chen , Qi Zhao , Feng Cheng , Lu Jiang , Kris Kitani , Laszlo A. Jeni

We present a efficient multi-view inverse rendering method for large-scale real-world indoor scenes that reconstructs global illumination and physically-reasonable SVBRDFs. Unlike previous representations, where the global illumination of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Zhen Li , Lingli Wang , Mofang Cheng , Cihui Pan , Jiaqi Yang

Scale arbitrary super-resolution based on implicit image function gains increasing popularity since it can better represent the visual world in a continuous manner. However, existing scale arbitrary works are trained and evaluated on…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Zhiheng Li , Muheng Li , Jixuan Fan , Lei Chen , Yansong Tang , Jiwen Lu , Jie Zhou

In this paper, we present D2C-SR, a novel framework for the task of real-world image super-resolution. As an ill-posed problem, the key challenge in super-resolution related tasks is there can be multiple predictions for a given…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Youwei Li , Haibin Huang , Lanpeng Jia , Haoqiang Fan , Shuaicheng Liu

Scene text image super-resolution (STISR) aims to improve the resolution and visual quality of low-resolution (LR) scene text images, and consequently boost the performance of text recognition. However, most of existing STISR methods regard…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Jianqi Ma , Shi Guo , Lei Zhang

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Athiya Deviyani , Efe Sinan Hoplamaz , Alan Savio Paul

This paper presents a comprehensive study and benchmark on Efficient Perceptual Super-Resolution (EPSR). While significant progress has been made in efficient PSNR-oriented super resolution, approaches focusing on perceptual quality metrics…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Bruno Longarela , Marcos V. Conde , Alvaro Garcia , Radu Timofte