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Compressive video capture encodes a short high-speed video into a single measurement using a low-speed sensor, then computationally reconstructs the original video. Prior implementations rely on expensive hardware and are restricted to…

图像与视频处理 · 电气工程与系统科学 2025-09-23 Kevin Tandi , Xiang Dai , Chinmay Talegaonkar , Gal Mishne , Nick Antipa

When a very fast dynamic event is recorded with a low-framerate camera, the resulting video suffers from severe motion blur (due to exposure time) and motion aliasing (due to low sampling rate in time). True Temporal Super-Resolution (TSR)…

计算机视觉与模式识别 · 计算机科学 2020-10-16 Liad Pollak Zuckerman , Eyal Naor , George Pisha , Shai Bagon , Michal Irani

Neural Radiance Fields (NeRFs) have become increasingly popular because of their impressive ability for novel view synthesis. However, their effectiveness is hindered by the Rolling Shutter (RS) effects commonly found in most camera…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Muyao Niu , Tong Chen , Yifan Zhan , Zhuoxiao Li , Xiang Ji , Yinqiang Zheng

Motion blur is a frequently observed image artifact, especially under insufficient illumination where exposure time has to be prolonged so as to collect more photons for a bright enough image. Rather than simply removing such blurring…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Xiang Ji , Haiyang Jiang , Yinqiang Zheng

Video super-resolution (VSR) is the task of restoring high-resolution frames from a sequence of low-resolution inputs. Different from single image super-resolution, VSR can utilize frames' temporal information to reconstruct results with…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Wenyi Lian , Wenjing Lian

Video super-resolution (VSR) aims to reconstruct a sequence of high-resolution (HR) images from their corresponding low-resolution (LR) versions. Traditionally, solving a VSR problem has been based on iterative algorithms that can exploit…

图像与视频处理 · 电气工程与系统科学 2021-02-24 Benjamin Naoto Chiche , Arnaud Woiselle , Joana Frontera-Pons , Jean-Luc Starck

In this paper, we study a practical space-time video super-resolution (STVSR) problem which aims at generating a high-framerate high-resolution sharp video from a low-framerate low-resolution blurry video. Such problem often occurs when…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Jiezhang Cao , Jingyun Liang , Kai Zhang , Wenguan Wang , Qin Wang , Yulun Zhang , Hao Tang , Luc Van Gool

Single-image super-resolution (SR) and multi-frame SR are two ways to super resolve low-resolution images. Single-Image SR generally handles each image independently, but ignores the temporal information implied in continuing frames.…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Wenjia Niu , Kaihao Zhang , Wenhan Luo , Yiran Zhong

Diffusion models (DMs) have demonstrated remarkable success in real-world image super-resolution (SR), yet their reliance on time-consuming multi-step sampling largely hinders their practical applications. While recent efforts have…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Jiaqi Xu , Wenbo Li , Haoze Sun , Fan Li , Zhixin Wang , Long Peng , Jingjing Ren , Haoran Yang , Xiaowei Hu , Renjing Pei , Pheng-Ann Heng

Super-resolution (SR) has been widely used to convert low-resolution legacy videos to high-resolution (HR) ones, to suit the increasing resolution of displays (e.g. UHD TVs). However, it becomes easier for humans to notice motion artifacts…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Soo Ye Kim , Jihyong Oh , Munchurl Kim

Video super-resolution (VSR) refers to the reconstruction of high-resolution (HR) video from the corresponding low-resolution (LR) video. Recently, VSR has received increasing attention. In this paper, we propose a novel dual dense…

图像与视频处理 · 电气工程与系统科学 2022-03-08 Guofang Li , Yonggui Zhu

Recent advances in video super-resolution have shown that convolutional neural networks combined with motion compensation are able to merge information from multiple low-resolution (LR) frames to generate high-quality images. Current…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Mehdi S. M. Sajjadi , Raviteja Vemulapalli , Matthew Brown

High-spatio-temporal resolution (HSTR) video recording plays a crucial role in enhancing various imagery tasks that require fine-detailed information. State-of-the-art cameras provide this required high frame-rate and high spatial…

计算机视觉与模式识别 · 计算机科学 2024-09-09 H. Umut Suluhan , Abdullah Enes Doruk , Hasan F. Ates , Bahadir K. Gunturk

The state of the art in video super-resolution (SR) are techniques based on deep learning, but they perform poorly on real-world videos (see Figure 1). The reason is that training image-pairs are commonly created by downscaling a…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Noam Elron , Alex Itskovich , Shahar S. Yuval , Noam Levy

We propose a novel rolling shutter bundle adjustment method for neural radiance fields (NeRF), which utilizes the unordered rolling shutter (RS) images to obtain the implicit 3D representation. Existing NeRF methods suffer from low-quality…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Bo Xu , Ziao Liu , Mengqi Guo , Jiancheng Li , Gim Hee Lee

Rotating synthetic aperture (RSA) imaging system captures images of the target scene at different rotation angles by rotating a rectangular aperture. Deblurring acquired RSA images plays a critical role in reconstructing a latent sharp…

统计方法学 · 统计学 2025-02-03 Dao Lin , Jian Zhang , Martin Benning

Neural Radiance Fields (NeRF) has received much attention recently due to its impressive capability to represent 3D scene and synthesize novel view images. Existing works usually assume that the input images are captured by a global shutter…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Moyang Li , Peng Wang , Lingzhe Zhao , Bangyan Liao , Peidong Liu

Video Super-Resolution (VSR) aims to recover sequences of high-resolution (HR) frames from low-resolution (LR) frames. Previous methods mainly utilize temporally adjacent frames to assist the reconstruction of target frames. However, in the…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Yongjie Chen , Tieru Wu

We propose GS-IR, a novel inverse rendering approach based on 3D Gaussian Splatting (GS) that leverages forward mapping volume rendering to achieve photorealistic novel view synthesis and relighting results. Unlike previous works that use…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Zhihao Liang , Qi Zhang , Ying Feng , Ying Shan , Kui Jia

3D Gaussian Splatting (3DGS) has demonstrated impressive capabilities in novel view synthesis. However, rendering reflective objects remains a significant challenge, particularly in inverse rendering and relighting. We introduce RTR-GS, a…

图形学 · 计算机科学 2025-12-17 Yongyang Zhou , Fang-Lue Zhang , Zichen Wang , Lei Zhang