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相关论文: Higher-order MRFs based image super resolution: wh…

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All-in-One Image Restoration (AIO-IR) aims to develop a unified model that can handle multiple degradations under complex conditions. However, existing methods often rely on task-specific designs or latent routing strategies, making it hard…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Jingren Liu , Shuning Xu , Qirui Yang , Yun Wang , Xiangyu Chen , Zhong Ji

We consider learning a sparse pairwise Markov Random Field (MRF) with continuous-valued variables from i.i.d samples. We adapt the algorithm of Vuffray et al. (2019) to this setting and provide finite-sample analysis revealing sample…

机器学习 · 计算机科学 2020-10-29 Abhin Shah , Devavrat Shah , Gregory W. Wornell

Neural Radiance Field (NeRF) has recently emerged as a powerful representation to synthesize photorealistic novel views. While showing impressive performance, it relies on the availability of dense input views with highly accurate camera…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Prune Truong , Marie-Julie Rakotosaona , Fabian Manhardt , Federico Tombari

In large-scale spatial surveys, such as the forthcoming ESA Euclid mission, images may be undersampled due to the optical sensors sizes. Therefore, one may consider using a super-resolution (SR) method to recover aliased frequencies, prior…

计算机视觉与模式识别 · 计算机科学 2014-10-30 Fred Maurice Ngolè Mboula , Jean-Luc Starck , Samuel Ronayette , Koryo Okumura , Jérôme Amiaux

Magnetic Resonance Fingerprinting (MRF) has emerged as a promising quantitative MR imaging approach. Deep learning methods have been proposed for MRF and demonstrated improved performance over classical compressed sensing algorithms.…

图像与视频处理 · 电气工程与系统科学 2022-01-27 Dongdong Chen , Mike E. Davies , Mohammad Golbabaee

Neural Radiance Fields (NeRF) recently emerged as a new paradigm for object representation from multi-view (MV) images. Yet, it cannot handle multi-scale (MS) images and camera pose estimation errors, which generally is the case with…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Nishant Jain , Suryansh Kumar , Luc Van Gool

Preserving accuracy is a challenging issue in super resolution images. In this paper, we propose a new FFT based image registration algorithm and a sparse based super resolution algorithm to improve the accuracy of super resolution image.…

计算机视觉与模式识别 · 计算机科学 2014-07-15 Archana Vijayan , Vincy Salam

Conditional Random Fields (CRF) have been widely used in a variety of computer vision tasks. Conventional CRFs typically define edges on neighboring image pixels, resulting in a sparse graph such that efficient inference can be performed.…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Peng Wang , Chunhua Shen , Anton van den Hengel

We propose a novel two-phase approach to functional network estimation of multi-subject functional Magnetic Resonance Imaging (fMRI) data, which applies model-based image segmentation to determine a group-representative connectivity map. In…

统计计算 · 统计学 2018-09-05 Aditi Iyer , Bingjing Tang , Vinayak Rao , Nan Kong

We explore the application of concepts developed in High Energy Physics (HEP) for advanced medical data analysis. Our study case is a problem with high social impact: clinically-feasible Magnetic Resonance Fingerprinting (MRF). MRF is a…

We consider the task of obtaining the maximum a posteriori estimate of discrete pairwise random fields with arbitrary unary potentials and semimetric pairwise potentials. For this problem, we propose an accurate hierarchical move making…

人工智能 · 计算机科学 2012-05-14 M. Pawan Kumar , Daphne Koller

Single molecule fluorescence microscopy is a powerful technique for uncovering detailed information about biological systems, both in vitro and in vivo. In such experiments, the inherently low signal to noise ratios mean that accurate…

计算机视觉与模式识别 · 计算机科学 2013-06-10 Ji Won Yoon

Super-resolution is the process of obtaining a high-resolution image from one or more low-resolution images. Single image super-resolution (SISR) and multi-frame super-resolution (MFSR) methods have been evolved almost independently for…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Mohammad Mahdi Afrasiabi , Reshad Hosseini , Aliazam Abbasfar

Many problems in real-world applications involve predicting several random variables which are statistically related. Markov random fields (MRFs) are a great mathematical tool to encode such relationships. The goal of this paper is to…

机器学习 · 计算机科学 2015-04-29 Liang-Chieh Chen , Alexander G. Schwing , Alan L. Yuille , Raquel Urtasun

Training a Neural Radiance Field (NeRF) without pre-computed camera poses is challenging. Recent advances in this direction demonstrate the possibility of jointly optimising a NeRF and camera poses in forward-facing scenes. However, these…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Wenjing Bian , Zirui Wang , Kejie Li , Jia-Wang Bian , Victor Adrian Prisacariu

Reconstructing category-specific objects using Neural Radiance Field (NeRF) from a single image is a promising yet challenging task. Existing approaches predominantly rely on projection-based feature retrieval to associate 3D points in the…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Kun Wang , Zhiqiang Yan , Zhenyu Zhang , Xiang Li , Jun Li , Jian Yang

Many computer vision problems can be posed as learning a low-dimensional subspace from high dimensional data. The low rank matrix factorization (LRMF) represents a commonly utilized subspace learning strategy. Most of the current LRMF…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Xiangyong Cao , Qian Zhao , Deyu Meng , Yang Chen , Zongben Xu

Supervised matrix factorization (SMF) is a classical machine learning method that simultaneously seeks feature extraction and classification tasks, which are not necessarily a priori aligned objectives. Our goal is to use SMF to learn…

机器学习 · 统计学 2023-11-21 Joowon Lee , Hanbaek Lyu , Weixin Yao

In this work, we propose a novel unsupervised deep learning model to address multi-focus image fusion problem. First, we train an encoder-decoder network in unsupervised manner to acquire deep feature of input images. And then we utilize…

计算机视觉与模式识别 · 计算机科学 2020-09-25 Boyuan Ma , Xiaojuan Ban , Haiyou Huang , Yu Zhu

We consider the problem of approximate Bayesian inference in log-supermodular models. These models encompass regular pairwise MRFs with binary variables, but allow to capture high-order interactions, which are intractable for existing…

机器学习 · 计算机科学 2015-02-25 Josip Djolonga , Andreas Krause