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Blind face restoration methods have shown remarkable performance, particularly when trained on large-scale synthetic datasets with supervised learning. These datasets are often generated by simulating low-quality face images with a…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Tianshu Kuai , Sina Honari , Igor Gilitschenski , Alex Levinshtein

Deep learning algorithms have demonstrated state-of-the-art performance in various tasks of image restoration. This was made possible through the ability of CNNs to learn from large exemplar sets. However, the latter becomes an issue for…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Oleksii Sidorov , Jon Yngve Hardeberg

With the advent of recent advances in unsupervised learning, efficient training of a deep network for image denoising without pairs of noisy and clean images has become feasible. However, most current unsupervised denoising methods are…

图像与视频处理 · 电气工程与系统科学 2020-12-08 Kanggeun Lee , Won-Ki Jeong

We present a novel approach for completing and reconstructing 3D shapes from incomplete scanned data by using deep neural networks. Rather than being trained on supervised completion tasks and applied on a testing shape, the network is…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Lei Chu , Hao Pan , Wenping Wang

This paper focuses on increasing the resolution of depth maps obtained from 3D cameras using structured light technology. Two deep learning models FDSR and DKN are modified to work with high-resolution data, and data pre-processing…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Martin Melicherčík , Lukáš Gajdošech , Viktor Kocur , Martin Madaras

Single image defocus deblurring aims to recover an all-in-focus image from a defocus counterpart, where accurately modeling spatially varying blur kernels remains a key challenge. Most existing methods rely on spatial features for kernel…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Ying Zhang , Xiongxin Tang , Chongyi Li , Qiao Chen , Yuquan Wu

Image reconstruction of low-count positron emission tomography (PET) data is challenging. Kernel methods address the challenge by incorporating image prior information in the forward model of iterative PET image reconstruction. The…

图像与视频处理 · 电气工程与系统科学 2022-10-25 Siqi Li , Kuang Gong , Ramsey D. Badawi , Edward J. Kim , Jinyi Qi , Guobao Wang

Modern image restoration and super-resolution methods utilize deep learning due to its superior performance compared to traditional algorithms. However, deep learning typically requires large labeled training datasets, which are rarely…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Suraj Singh , Anastasia Batsheva , Oleg Y. Rogov , Ahmed Bouridane

With recent deep learning based approaches showing promising results in removing noise from images, the best denoising performance has been reported in a supervised learning setup that requires a large set of paired noisy images and ground…

图像与视频处理 · 电气工程与系统科学 2022-09-20 Rihuan Ke

Previous super-resolution reconstruction (SR) works are always designed on the assumption that the degradation operation is fixed, such as bicubic downsampling. However, as for remote sensing images, some unexpected factors can cause the…

图像与视频处理 · 电气工程与系统科学 2023-05-23 Mengze Xu , Jie Ma , Yuanyuan Zhu

In this paper, we propose to reformulate the blind image deblurring task to directly learn an inverse of the degradation model represented by a deep linear network. We introduce Deep Identity Learning (DIL), a novel learning strategy that…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Vamsidhar Saraswathula , Rama Krishna Gorthi

Recently, single gray/RGB image super-resolution reconstruction task has been extensively studied and made significant progress by leveraging the advanced machine learning techniques based on deep convolutional neural networks (DCNNs).…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Junjun Jiang , He Sun , Xianming Liu , Jiayi Ma

Recently, Deep Unfolding Networks (DUNs) have achieved impressive reconstruction quality in the field of image Compressive Sensing (CS) by unfolding iterative optimization algorithms into neural networks. The reconstruction quality of DUNs…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Chen Liao , Yan Shen , Dan Li , Zhongli Wang

Biological experiments based on organ-on-chips (OOCs) exploit light Time-Lapse Microscopy (TLM) for a direct observation of cell movement that is an observable signature of underlying biological processes. A high spatial resolution is…

图像与视频处理 · 电气工程与系统科学 2020-11-20 Pasquale Cascarano , Maria Colomba Comes , Arianna Mencattini , Maria Carla Parrini , Elena Loli Piccolomini , Eugenio Martinelli

We present BKP, a user-friendly and extensible R package that implements the Beta Kernel Process (BKP) -- a fully nonparametric and computationally efficient framework for modeling spatially varying binomial probabilities. The BKP model…

统计计算 · 统计学 2025-09-16 Jiangyan Zhao , Kunhai Qing , Jin Xu

This paper focuses on the dataset-free Blind Image Super-Resolution (BISR). Unlike existing dataset-free BISR methods that focus on obtaining a degradation kernel for the entire image, we are the first to explicitly design a…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Shaojie Guo , Haofei Song , Qingli Li , Yan Wang

Objective: To propose and validate an unsupervised MRI reconstruction method that does not require fully sampled k-space data. Materials and Methods: The proposed method, deep image prior with structured sparsity (DISCUS), extends the deep…

图像与视频处理 · 电气工程与系统科学 2025-05-30 Muhammad Ahmad Sultan , Chong Chen , Yingmin Liu , Katarzyna Gil , Karolina Zareba , Rizwan Ahmad

This paper proposes a simple, accurate, and robust approach to single image nonparametric blind Super-Resolution (SR). This task is formulated as a functional to be minimized with respect to both an intermediate super-resolved image and a…

计算机视觉与模式识别 · 计算机科学 2015-03-17 Wen-Ze Shao , Michael Elad

Blind deconvolution problems are severely ill-posed because neither the underlying signal nor the forward operator are not known exactly. Conventionally, these problems are solved by alternating between estimation of the image and kernel…

图像与视频处理 · 电气工程与系统科学 2023-12-06 Yash Sanghvi , Yiheng Chi , Stanley H. Chan

Blind video super-resolution (BVSR) is a low-level vision task which aims to generate high-resolution videos from low-resolution counterparts in unknown degradation scenarios. Existing approaches typically predict blur kernels that are…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Qiang Zhu , Yuxuan Jiang , Shuyuan Zhu , Fan Zhang , David Bull , Bing Zeng