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相关论文: Optical Flow Super-Resolution Based on Image Guide…

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Optical flow estimation is one of the fundamental tasks in low-level computer vision, which describes the pixel-wise displacement and can be used in many other tasks. From the apparent aspect, the optical flow can be viewed as the…

计算机视觉与模式识别 · 计算机科学 2024-05-22 Yuhao Cheng , Siru Zhang , Yiqiang Yan

Computer vision researchers have been expecting that neural networks have spatial transformation ability to eliminate the interference caused by geometric distortion for a long time. Emergence of spatial transformer network makes dream come…

计算机视觉与模式识别 · 计算机科学 2018-01-31 Chang Shu , Xi Chen , Qiwei Xie , Hua Han

Single-image super-resolution (SISR) networks trained with perceptual and adversarial losses provide high-contrast outputs compared to those of networks trained with distortion-oriented losses, such as L1 or L2. However, it has been shown…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Seung Ho Park , Young Su Moon , Nam Ik Cho

Temporal coherence is a valuable source of information in the context of optical flow estimation. However, finding a suitable motion model to leverage this information is a non-trivial task. In this paper we propose an unsupervised online…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Daniel Maurer , Andrés Bruhn

Super-resolution (SR) is a technique that allows increasing the resolution of a given image. Having applications in many areas, from medical imaging to consumer electronics, several SR methods have been proposed. Currently, the best…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Marija Vella , João F. C. Mota

Recently, convolutional networks (convnets) have proven useful for predicting optical flow. Much of this success is predicated on the availability of large datasets that require expensive and involved data acquisition and laborious la-…

计算机视觉与模式识别 · 计算机科学 2016-08-23 Jason J. Yu , Adam W. Harley , Konstantinos G. Derpanis

CNNs with strong learning abilities are widely chosen to resolve super-resolution problem. However, CNNs depend on deeper network architectures to improve performance of image super-resolution, which may increase computational cost in…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Chunwei Tian , Yixuan Yuan , Shichao Zhang , Chia-Wen Lin , Wangmeng Zuo , David Zhang

Super-resolution is an ill-posed problem, where a ground-truth high-resolution image represents only one possibility in the space of plausible solutions. Yet, the dominant paradigm is to employ pixel-wise losses, such as L_1, which drive…

计算机视觉与模式识别 · 计算机科学 2021-11-08 Andreas Lugmayr , Martin Danelljan , Fisher Yu , Luc Van Gool , Radu Timofte

Using deep learning, this paper addresses the problem of joint object boundary detection and boundary motion estimation in videos, which we named boundary flow estimation. Boundary flow is an important mid-level visual cue as boundaries…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Peng Lei , Fuxin Li , Sinisa Todorovic

Multi-image super-resolution (MISR) allows to increase the spatial resolution of a low-resolution (LR) acquisition by combining multiple images carrying complementary information in the form of sub-pixel offsets in the scene sampling, and…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Luca Savant Aira , Diego Valsesia , Andrea Bordone Molini , Giulia Fracastoro , Enrico Magli , Andrea Mirabile

We present a highly accurate single-image super-resolution (SR) method. Our method uses a very deep convolutional network inspired by VGG-net used for ImageNet classification \cite{simonyan2015very}. We find increasing our network depth…

计算机视觉与模式识别 · 计算机科学 2016-11-14 Jiwon Kim , Jung Kwon Lee , Kyoung Mu Lee

Single Image Super-Resolution (SISR) is one of the low-level computer vision problems that has received increased attention in the last few years. Current approaches are primarily based on harnessing the power of deep learning models and…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Santiago López-Tapia , Nicolás Pérez de la Blanca

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…

图像与视频处理 · 电气工程与系统科学 2024-12-16 Jing Sun , Qiangqiang Yuan , Huanfeng Shen , Jie Li , Liangpei Zhang

Deep learning methods, in particular, trained Convolutional Neural Networks (CNN) have recently been shown to produce compelling results for single image Super-Resolution (SR). Invariably, a CNN is learned to map the Low Resolution (LR)…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Tiantong Guo , Hojjat S. Mousavi , Vishal Monga

Event cameras hold significant promise for high-temporal-resolution (HTR) motion estimation. However, estimating event-based HTR optical flow faces two key challenges: the absence of HTR ground-truth data and the intrinsic sparsity of event…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Qianang Zhou , Zhiyu Zhu , Junhui Hou , Yongjian Deng , Youfu Li , Junlin Xiong

We propose a new approach for the image super-resolution (SR) task that progressively restores a high-resolution (HR) image from an input low-resolution (LR) image on the basis of a neural ordinary differential equation. In particular, we…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Seobin Park , Tae Hyun Kim

Optical flow, which expresses pixel displacement, is widely used in many computer vision tasks to provide pixel-level motion information. However, with the remarkable progress of the convolutional neural network, recent state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Ruibing Jin , Guosheng Lin , Changyun Wen , Jianliang Wang , Fayao Liu

Convolutional Sparse Coding (CSC) has been attracting more and more attention in recent years, for making full use of image global correlation to improve performance on various computer vision applications. However, very few studies focus…

图像与视频处理 · 电气工程与系统科学 2019-08-06 Menglei Zhang , Zhou Liu , Lei Yu

Deconvolution is the most commonly used image processing method to remove the blur caused by the point-spread-function (PSF) in optical imaging systems. While this method has been successful in deblurring, it suffers from several…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Huangxuan Zhao , Ziwen Ke , Ningbo Chen , Ke Li , Lidai Wang , Xiaojing Gong , Wei Zheng , Liang Song , Zhicheng Liu , Dong Liang , Chengbo Liu

Optical flow is an indispensable building block for various important computer vision tasks, including motion estimation, object tracking, and disparity measurement. In this work, we propose TransFlow, a pure transformer architecture for…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Yawen Lu , Qifan Wang , Siqi Ma , Tong Geng , Yingjie Victor Chen , Huaijin Chen , Dongfang Liu