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Being symmetric positive-definite (SPD), covariance matrix has traditionally been used to represent a set of local descriptors in visual recognition. Recent study shows that kernel matrix can give considerably better representation by…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Melih Engin , Lei Wang , Luping Zhou , Xinwang Liu

Blind image deblurring is the process of recovering a sharp image from a blurred one without prior knowledge about the blur kernel. It is a small data problem, since the key challenge lies in estimating the unknown degrees of blur from a…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Abdul Mohaimen Al Radi , Prothito Shovon Majumder , Md. Mosaddek Khan

Computational image reconstruction algorithms generally produce a single image without any measure of uncertainty or confidence. Regularized Maximum Likelihood (RML) and feed-forward deep learning approaches for inverse problems typically…

机器学习 · 计算机科学 2020-12-18 He Sun , Katherine L. Bouman

With the strengths of both deep learning and kernel methods like Gaussian Processes (GPs), Deep Kernel Learning (DKL) has gained considerable attention in recent years. From the computational perspective, however, DKL becomes challenging…

机器学习 · 计算机科学 2025-02-18 Wenyuan Zhao , Haoyuan Chen , Tie Liu , Rui Tuo , Chao Tian

Traditional model-based image reconstruction (MBIR) methods combine forward and noise models with simple object priors. Recent application of deep learning methods for image reconstruction provides a successful data-driven approach to…

图像与视频处理 · 电气工程与系统科学 2022-05-20 Ling Chen , Zhishen Huang , Yong Long , Saiprasad Ravishankar

Kernel-based subspace clustering, which addresses the nonlinear structures in data, is an evolving area of research. Despite noteworthy progressions, prevailing methodologies predominantly grapple with limitations relating to (i) the…

机器学习 · 计算机科学 2025-01-22 Kunpeng Xu , Lifei Chen , Shengrui Wang

Color-guided depth map super-resolution (CDSR) improve the spatial resolution of a low-quality depth map with the corresponding high-quality color map, benefiting various applications such as 3D reconstruction, virtual reality, and…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Yuan Shi , Bin Xia , Rui Zhu , Qingmin Liao , Wenming Yang

Recovering sharp images from dual-pixel (DP) pairs with disparity-dependent blur is a challenging task.~Existing blur map-based deblurring methods have demonstrated promising results. In this paper, we propose, to the best of our knowledge,…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Hao Yang , Liyuan Pan , Yan Yang , Richard Hartley , Miaomiao Liu

The purpose of face super-resolution (FSR) is to reconstruct high-resolution (HR) face images from low-resolution (LR) inputs. With the continuous advancement of deep learning technologies, contemporary prior-guided FSR methods initially…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Qiu Yang , Xiao Sun , Xin-yu Li , Feng-Qi Cui , Yu-Tong Guo , Shuang-Zhen Hu , Ping Luo , Si-Ying Li

The image blurring process is generally modelled as the convolution of a blur kernel with a latent image. Therefore, the estimation of the blur kernel is essentially important for blind image deblurring. Unlike existing approaches which…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Liyuan Pan , Richard Hartley , Miaomiao Liu , Yuchao Dai

Inferring parameters of high-dimensional partial differential equations (PDEs) poses significant computational and inferential challenges, primarily due to the curse of dimensionality and the inherent limitations of traditional numerical…

计算工程、金融与科学 · 计算机科学 2025-09-18 Weihao Yan , Christoph Brune , Mengwu Guo

The inductive bias of the convolutional neural network (CNN) can be a strong prior for image restoration, which is known as the Deep Image Prior (DIP). Recently, DIP is utilized in unsupervised dynamic MRI reconstruction, which adopts a…

图像与视频处理 · 电气工程与系统科学 2024-09-25 Zhongsen Li , Wenxuan Chen , Shuai Wang , Chuyu Liu , Qing Zou , Rui Li

Although Faster R-CNN and its variants have shown promising performance in object detection, they only exploit simple first-order representation of object proposals for final classification and regression. Recent classification methods…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Hao Wang , Qilong Wang , Mingqi Gao , Peihua Li , Wangmeng Zuo

Deep Learning has led to a dramatic leap in Super-Resolution (SR) performance in the past few years. However, being supervised, these SR methods are restricted to specific training data, where the acquisition of the low-resolution (LR)…

计算机视觉与模式识别 · 计算机科学 2017-12-19 Assaf Shocher , Nadav Cohen , Michal Irani

Non-uniform blind deblurring for general dynamic scenes is a challenging computer vision problem as blurs arise not only from multiple object motions but also from camera shake, scene depth variation. To remove these complicated motion…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Seungjun Nah , Tae Hyun Kim , Kyoung Mu Lee

Multi-focus image fusion (MFIF) and super-resolution (SR) are the inverse problem of imaging model, purposes of MFIF and SR are obtaining all-in-focus and high-resolution 2D mapping of targets. Though various MFIF and SR methods have been…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yuanjie Gu , Yinghan Guan , Zhibo Xiao , Haoran Dai , Cheng Liu , Shouyu Wang

Hyperspectral image (HSI) reconstruction aims to recover 3D HSI from its degraded 2D measurements. Recently great progress has been made in deep learning-based methods, however, these methods often struggle to accurately capture…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Mingyang Yu , Zhijian Wu , Dingjiang Huang

Compressive imaging aims to recover a latent image from under-sampled measurements, suffering from a serious ill-posed inverse problem. Recently, deep neural networks have been applied to this problem with superior results, owing to the…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Yixiao Yang , Ran Tao , Kaixuan Wei , Ying Fu

The present paper studies so-called deep image prior (DIP) techniques in the context of ill-posed inverse problems. DIP networks have been recently introduced for applications in image processing; also first experimental results for…

机器学习 · 计算机科学 2020-03-19 Sören Dittmer , Tobias Kluth , Peter Maass , Daniel Otero Baguer

Blind image deblurring is a challenging low-level vision task that involves estimating the unblurred image when the blur kernel is unknown. In this paper, we present a self-supervised multi-scale blind image deblurring method to jointly…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Lening Guo , Jing Yu , Ning Zhang , Chuangbai Xiao
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