中文
相关论文

相关论文: Hybrid second-order gradient histogram based globa…

200 篇论文

Rank regression offers robustness to outliers and heavy-tailed response distributions, invariance to monotonic transformations, and improved efficiency under non-Gaussian errors, making it a versatile tool for analyzing complex data. This…

统计方法学 · 统计学 2026-05-25 Jiyuan Tu , Suqi Wu , Yichen Zhang , Wen-Xin Zhou

Deep learning techniques have been widely applied to hyperspectral image (HSI) classification and have achieved great success. However, the deep neural network model has a large parameter space and requires a large number of labeled data.…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Qiqi Zhu , Weihuan Deng , Zhuo Zheng , Yanfei Zhong , Qingfeng Guan , Weihua Lin , Liangpei Zhang , Deren Li

This paper presents a new fast iterative solver for large systems involving kernel matrices. Advantageous aspects of H2 matrix approximations and the multigrid method are hybridized to create the H2-MG algorithm. This combination provides…

数值分析 · 数学 2025-09-12 Daria Sushnikova , George Turkiyyah , Edmond Chow , David Keyes

Group Re-identification (G-ReID) faces greater complexity than individual Re-identification (ReID) due to challenges like mutual occlusion, dynamic member interactions, and evolving group structures. Prior graph-based approaches have aimed…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Ruiqi Liu , Xingyu Liu , Xiaohao Xu , Yixuan Zhang , Yongxin Ge , Lubin Weng

In this paper, we propose a novel nonconvex approach to robust principal component analysis for HSI denoising, which focuses on simultaneously developing more accurate approximations to both rank and column-wise sparsity for the low-rank…

图像与视频处理 · 电气工程与系统科学 2022-12-07 Chong Peng , Yang Liu , Yongyong Chen , Xinxin Wu , Andrew Cheng , Zhao Kang , Chenglizhao Chen , Qiang Cheng

By considering the spectral signature as a sequence, recurrent neural networks (RNNs) have been successfully used to learn discriminative features from hyperspectral images (HSIs) recently. However, most of these models only input the whole…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Renlong Hang , Qingshan Liu , Danfeng Hong , Pedram Ghamisi

We develop a new method called Discriminated Hub Graphical Lasso (DHGL) based on Hub Graphical Lasso (HGL) by providing prior information of hubs. We apply this new method in two situations: with known hubs and without known hubs. Then we…

机器学习 · 统计学 2017-05-19 Zhen Li , Jingtian Bai , Weilian Zhou

Networks with higher-order interactions, prevalent in biological, social, and information systems, are naturally represented as hypergraphs, yet their structural complexity poses fundamental challenges for geometric characterization. While…

机器学习 · 计算机科学 2025-06-05 Shiyi Yang , Can Chen , Didong Li

Corner detection is widely used in various computer vision tasks, such as image matching and 3D reconstruction. Our research indicates that there are theoretical flaws in Zhang et al.'s use of a simple corner model to obtain a series of…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Dongbo Xie , Junjie Qiu , Changming Sun , Weichuan Zhang

Image harmonization aims to generate a more realistic appearance of foreground and background for a composite image. Existing methods perform the same harmonization process for the whole foreground. However, the implanted foreground always…

计算机视觉与模式识别 · 计算机科学 2022-05-16 Jinlong Peng , Zekun Luo , Liang Liu , Boshen Zhang , Tao Wang , Yabiao Wang , Ying Tai , Chengjie Wang , Weiyao Lin

Higher-Order Hypergraph Learning (HOHL) was recently introduced as a principled alternative to classical hypergraph regularization, enforcing higher-order smoothness via powers of multiscale Laplacians induced by the hypergraph structure.…

机器学习 · 计算机科学 2025-11-25 Adrien Weihs , Andrea L. Bertozzi , Matthew Thorpe

Stochastic Primal-Dual Hybrid Gradient (SPDHG) is an algorithm proposed by Chambolle et al. (2018) to efficiently solve a wide class of nonsmooth large-scale optimization problems. In this paper we contribute to its theoretical foundations…

最优化与控制 · 数学 2023-11-27 Eric B Gutierrez , Claire Delplancke , Matthias J Ehrhardt

We propose a low-rank transformation-learning framework to robustify subspace clustering. Many high-dimensional data, such as face images and motion sequences, lie in a union of low-dimensional subspaces. The subspace clustering problem has…

计算机视觉与模式识别 · 计算机科学 2013-08-02 Qiang Qiu , Guillermo Sapiro

Non-local low-rank tensor approximation has been developed as a state-of-the-art method for hyperspectral image (HSI) restoration, which includes the tasks of denoising, compressed HSI reconstruction and inpainting. Unfortunately, while its…

图像与视频处理 · 电气工程与系统科学 2020-10-27 Wei He , Quanming Yao , Chao Li , Naoto Yokoya , Qibin Zhao , Hongyan Zhang , Liangpei Zhang

3D Gaussian Splatting (3DGS) has enabled high-fidelity virtualization with fast rendering and optimization for novel view synthesis. On the other hand, triangle mesh models still remain a popular choice for surface reconstruction but suffer…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Xinpeng Liu , Fumio Okura

We present a novel two-view geometry estimation framework which is based on a differentiable robust loss function fitting. We propose to treat the robust fundamental matrix estimation as an implicit layer, which allows us to avoid…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Vladislav Pyatov , Iaroslav Koshelev , Stamatis Lefkimmiatis

Face image retrieval, which searches for images of the same identity from the query input face image, is drawing more attention as the size of the image database increases rapidly. In order to conduct fast and accurate retrieval, a compact…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Young Kyun Jang , Nam Ik Cho

High resolution microarrays and second-generation sequencing platforms are powerful tools to investigate genome-wide alterations in DNA copy number, methylation and gene expression associated with a disease. An integrated genomic profiling…

应用统计 · 统计学 2013-04-22 Ronglai Shen , Sijian Wang , Qianxing Mo

The fusion of a low-resolution hyperspectral image (LR-HSI) with a high-resolution multispectral image (HR-MSI) has emerged as an effective technique for achieving HSI super-resolution (SR). Previous studies have mainly concentrated on…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Ting Wang , Zipei Yan , Jizhou Li , Xile Zhao , Chao Wang , Michael Ng

We present a stereo-matching method for depth estimation from high-resolution images using visual hulls as priors, and a memory-efficient technique for the correlation computation. Our method uses object masks extracted from supplementary…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Markus Plack , Hannah Dröge , Leif Van Holland , Matthias B. Hullin