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Variational regularization models are one of the popular and efficient approaches for image restoration. The regularization functional in the model carries prior knowledge about the image to be restored. The prior knowledge, in particular…

最优化与控制 · 数学 2021-02-09 Yan-ran Li , Raymond H. F. Chan , Lixin Shen , Xiaosheng Zhuang

The goal of image ordinal estimation is to estimate the ordinal label of a given image with a convolutional neural network. Existing methods are mainly based on ordinal regression and particularly focus on modeling the ordinal mapping from…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yiming Lei , Zilong Li , Yangyang Li , Junping Zhang , Hongming Shan

The operational characteristics of a linear neural network image processing system based on the brain's vision system are investigated. The final stage of the network consists of edge detectors of various orienations arranged in a feature…

神经元与认知 · 定量生物学 2007-05-23 Ted Hesselroth , Klaus Schulten

Variational methods in imaging are nowadays developing towards a quite universal and flexible tool, allowing for highly successful approaches on tasks like denoising, deblurring, inpainting, segmentation, super-resolution, disparity, and…

最优化与控制 · 数学 2014-12-16 Martin Burger , Alex Sawatzky , Gabriele Steidl

Using representations of functional data can be more convenient and beneficial in subsequent statistical models than direct observations. These representations, in a lower-dimensional space, extract and compress information from individual…

机器学习 · 统计学 2022-06-24 Haixu Wang , Jiguo Cao

Most existing learning-based methods for solving imaging inverse problems can be roughly divided into two classes: iterative algorithms, such as plug-and-play and diffusion methods leveraging pretrained denoisers, and unrolled architectures…

图像与视频处理 · 电气工程与系统科学 2026-03-31 Matthieu Terris , Samuel Hurault , Maxime Song , Julian Tachella

Image colorization, the task of adding colors to grayscale images, has been the focus of significant research efforts in computer vision in recent years for its various application areas such as color restoration and automatic animation…

计算机视觉与模式识别 · 计算机科学 2025-08-20 Changyuan Qiu , Hangrui Cao , Qihan Ren , Ruiyu Li , Yuqing Qiu

Feature representation via self-supervised learning has reached remarkable success in image-level contrastive learning, which brings impressive performances on image classification tasks. While image-level feature representation mainly…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Junwei Yang , Ke Zhang , Zhaolin Cui , Jinming Su , Junfeng Luo , Xiaolin Wei

Image matting is a fundamental computer vision problem and has many applications. Previous algorithms have poor performance when an image has similar foreground and background colors or complicated textures. The main reasons are prior…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Ning Xu , Brian Price , Scott Cohen , Thomas Huang

In the recent years impressive advances were made for single image super-resolution. Deep learning is behind a big part of this success. Deep(er) architecture design and external priors modeling are the key ingredients. The internal…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Yudong Liang , Radu Timofte , Jinjun Wang , Yihong Gong , Nanning Zheng

We propose a novel method to accurately reconstruct a set of images representing a single scene from few linear multi-view measurements. Each observed image is modeled as the sum of a background image and a foreground one. The background…

计算机视觉与模式识别 · 计算机科学 2013-09-19 Gilles Puy , Pierre Vandergheynst

Image restoration problems are typically ill-posed requiring the design of suitable priors. These priors are typically hand-designed and are fully instantiated throughout the process. In this paper, we introduce a novel framework for…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Raied Aljadaany , Dipan K. Pal , Marios Savvides

Learned progressive image compression is gaining momentum as it allows improved image reconstruction as more bits are decoded at the receiver. We propose a progressive image compression method in which an image is first represented as a…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Alberto Presta , Enzo Tartaglione , Attilio Fiandrotti , Marco Grangetto , Pamela Cosman

Successful fine-grained image classification methods learn subtle details between visually similar (sub-)classes, but the problem becomes significantly more challenging if the details are missing due to low resolution. Encouraged by the…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Dingding Cai , Ke Chen , Yanlin Qian , Joni-Kristian Kämäräinen

The reconstruction of indoor scenes from multi-view RGB images is challenging due to the coexistence of flat and texture-less regions alongside delicate and fine-grained regions. Recent methods leverage neural radiance fields aided by…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Sheng Ye , Yubin Hu , Matthieu Lin , Yu-Hui Wen , Wang Zhao , Yong-Jin Liu , Wenping Wang

The purpose of image inpainting is to recover scratches and damaged areas using context information from remaining parts. In recent years, thanks to the resurgence of convolutional neural networks (CNNs), image inpainting task has made…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Zeyu Lu , Junjun Jiang , Junqin Huang , Gang Wu , Xianming Liu

Although image restoration has advanced significantly, most existing methods target only a single type of degradation. In real-world scenarios, images often contain multiple degradations simultaneously, such as rain, noise, and haze,…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Hu Gao , Xiaoning Lei , Xichen Xu , Depeng Dang , Lizhuang Ma

In this work, we propose a new unsupervised image segmentation approach based on mutual information maximization between different constructed views of the inputs. Taking inspiration from autoregressive generative models that predict the…

计算机视觉与模式识别 · 计算机科学 2020-07-17 Yassine Ouali , Céline Hudelot , Myriam Tami

Variational methods are widely applied to ill-posed inverse problems for they have the ability to embed prior knowledge about the solution. However, the level of performance of these methods significantly depends on a set of parameters,…

Enforcing alignment between the internal representations of diffusion or flow-based generative models and those of pretrained self-supervised encoders has recently been shown to provide a powerful inductive bias, improving both convergence…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Loukas Sfountouris , Giannis Daras , Paris Giampouras