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Deep image prior (DIP) was recently introduced as an effective unsupervised approach for image restoration tasks. DIP represents the image to be recovered as the output of a deep convolutional neural network, and learns the network's…

Image and Video Processing · Electrical Eng. & Systems 2023-02-10 Riccardo Barbano , Johannes Leuschner , Maximilian Schmidt , Alexander Denker , Andreas Hauptmann , Peter Maaß , Bangti Jin

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…

Computer Vision and Pattern Recognition · Computer Science 2019-12-05 Oleksii Sidorov , Jon Yngve Hardeberg

Blind image deblurring is an important yet very challenging problem in low-level vision. Traditional optimization based methods generally formulate this task as a maximum-a-posteriori estimation or variational inference problem, whose…

Image and Video Processing · Electrical Eng. & Systems 2021-06-08 Hui Wang , Zongsheng Yue , Qian Zhao , Deyu Meng

Image denoisers have been shown to be powerful priors for solving inverse problems in imaging. In this work, we introduce a generalization of these methods that allows any image restoration network to be used as an implicit prior. The…

Image and Video Processing · Electrical Eng. & Systems 2023-10-03 Yuyang Hu , Mauricio Delbracio , Peyman Milanfar , Ulugbek S. Kamilov

We propose a novel method for compressed sensing recovery using untrained deep generative models. Our method is based on the recently proposed Deep Image Prior (DIP), wherein the convolutional weights of the network are optimized to match…

Learning a good image prior is a long-term goal for image restoration and manipulation. While existing methods like deep image prior (DIP) capture low-level image statistics, there are still gaps toward an image prior that captures rich…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Xingang Pan , Xiaohang Zhan , Bo Dai , Dahua Lin , Chen Change Loy , Ping Luo

Deep image prior (DIP) and its variants have showed remarkable potential for solving inverse problems in computer vision, without any extra training data. Practical DIP models are often substantially overparameterized. During the fitting…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Hengkang Wang , Taihui Li , Zhong Zhuang , Tiancong Chen , Hengyue Liang , Ju Sun

We introduce the Deep Spectral Prior (DSP), a new framework for unsupervised image reconstruction that operates entirely in the complex frequency domain. Unlike the Deep Image Prior (DIP), which optimises pixel-level errors and is highly…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Yanqi Cheng , Xuxiang Zhao , Tieyong Zeng , Pietro Lio , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

Ill-posed linear inverse problems (ILIP), such as restoration and reconstruction, are a core topic of signal/image processing. A standard approach to deal with ILIP uses a constrained optimization problem, where a regularization function is…

Optimization and Control · Mathematics 2016-11-15 Manya V. Afonso , Jose M. Bioucas-Dias , Mario A. T. Figueiredo

Image denoising is a fundamental task in computer vision. While prevailing deep learning-based supervised and self-supervised methods have excelled in eliminating in-distribution noise, their susceptibility to out-of-distribution (OOD)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jun Cheng , Dong Liang , Shan Tan

Deep convolutional neural networks can enhance images taken with small mobile camera sensors and excel at tasks like demoisaicing, denoising and super-resolution. However, for practical use on mobile devices these networks often require too…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Lorenz K. Muller

Deep image prior (DIP) has been successfully applied to positron emission tomography (PET) image restoration, enabling represent implicit prior using only convolutional neural network architecture without training dataset, whereas the…

Medical Physics · Physics 2024-04-23 Yuya Onishi , Fumio Hashimoto , Kibo Ote , Keisuke Matsubara , Masanobu Ibaraki

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…

Image and Video Processing · Electrical Eng. & Systems 2024-09-25 Zhongsen Li , Wenxuan Chen , Shuai Wang , Chuyu Liu , Qing Zou , Rui Li

We introduce a method for fast estimation of data-adapted, spatio-temporally dependent regularization parameter-maps for variational image reconstruction, focusing on total variation (TV)-minimization. Our approach is inspired by recent…

Seismic images often contain both coherent and random artifacts which complicate their interpretation. To mitigate these artifacts, we introduce a novel unsupervised deep-learning method based on Deep Image Prior (DIP) which uses…

The deep image prior (DIP) is a well-established unsupervised deep learning method for image reconstruction; yet it is far from being flawless. The DIP overfits to noise if not early stopped, or optimized via a regularized objective. We…

Image and Video Processing · Electrical Eng. & Systems 2023-05-16 Marco Nittscher , Michael Lameter , Riccardo Barbano , Johannes Leuschner , Bangti Jin , Peter Maass

Different rain models and novel network structures have been proposed to remove rain streaks from single rainy images. In this work, we bring attention to the intrinsic priors and multi-scale features of the rainy images, and develop…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Yinglong Wang , Chao Ma , Bing Zeng

Convolutional neural networks have been proven effective in a variety of image restoration tasks. Most state-of-the-art solutions, however, are trained using images with a single particular degradation level, and their performance…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Yiwen Guo , Ming Lu , Wangmeng Zuo , Changshui Zhang , Yurong Chen

Image denoising is a representative image restoration task in computer vision. Recent progress of image denoising from only noisy images has attracted much attention. Deep image prior (DIP) demonstrated successful image denoising from only…

Image and Video Processing · Electrical Eng. & Systems 2023-10-03 Tsukasa Takagi , Shinya Ishizaki , Shin-ichi Maeda

Recent advances in deep learning-based medical image registration have shown that training deep neural networks~(DNNs) does not necessarily require medical images. Previous work showed that DNNs trained on randomly generated images with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Junyu Chen , Shuwen Wei , Yihao Liu , Aaron Carass , Yong Du