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相关论文: Optimal Hyperspectral Undersampling Strategy for S…

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Hyperspectral image (HSI) classification has been a hot topic for decides, as hyperspectral images have rich spatial and spectral information and provide strong basis for distinguishing different land-cover objects. Benefiting from the…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Xizhe Xue , Haokui Zhang , Bei Fang , Zongwen Bai , Ying Li

3D Gaussian Splatting (3DGS) has recently emerged as a fast, high-quality method for novel view synthesis (NVS). However, its use of low-degree spherical harmonics limits its ability to capture spatially varying color and view-dependent…

计算机视觉与模式识别 · 计算机科学 2025-11-19 Hoang Chuong Nguyen , Wei Mao , Jose M. Alvarez , Miaomiao Liu

The spectral gradient method is known to be a powerful low-cost tool for solving large-scale optimization problems. In this paper, our goal is to exploit its advantages in the stochastic optimization framework, especially in the case of…

最优化与控制 · 数学 2024-10-10 Stefania Bellavia , Nataša Krejić , Nataša Krklec Jerinkić , Marcos Raydan

With the development of a series of Galaxy sky surveys in recent years, the observations increased rapidly, which makes the research of machine learning methods for galaxy image recognition a hot topic. Available automatic galaxy image…

天体物理仪器与方法 · 物理学 2023-12-27 Xiaohua Ma , Xiangru Li , Ali Luo , Jinqu Zhang , Hui Li

Deep learning based landcover classification algorithms have recently been proposed in literature. In hyperspectral images (HSI) they face the challenges of large dimensionality, spatial variability of spectral signatures and scarcity of…

计算机视觉与模式识别 · 计算机科学 2017-06-28 Anirban Santara , Kaustubh Mani , Pranoot Hatwar , Ankit Singh , Ankur Garg , Kirti Padia , Pabitra Mitra

Intelligent reflecting surfaces (IRS) have become the subject of many current research efforts, as the ongoing wireless spectrum crunch has made the need to open higher frequency bands a priority. IRS are one of the alternatives proposed to…

信息论 · 计算机科学 2025-12-01 Alessandro Nordio , Alberto Tarable , Francisco J. Escribano

Stochastic Gradient Descent (SGD) is one of the most widely used techniques for online optimization in machine learning. In this work, we accelerate SGD by adaptively learning how to sample the most useful training examples at each time…

机器学习 · 计算机科学 2016-03-16 Guillaume Bouchard , Théo Trouillon , Julien Perez , Adrien Gaidon

Recently hyperspectral imaging (HSI)-based grain quality assessment has gained research attention. However, unlike other imaging modalities, HSI data lacks sufficient labelled samples required to effectively train deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2024-11-19 Priyabrata Karmakar , Manzur Murshed , Shyh Wei Teng

Large observational datasets, including those derived from electronic health records, are a valuable resource for medical research but are often affected by missingness, measurement error, and misclassification. Two-phase sampling with…

统计方法学 · 统计学 2026-03-23 Jasper B. Yang , Bryan E. Shepherd , Thomas Lumley , Pamela A. Shaw

In this paper, we propose a convolutional neural network with mapping layers (MCNN) for hyperspectral image (HSI) classification. The proposed mapping layers map the input patch into a low dimensional subspace by multilinear algebra. We use…

图像与视频处理 · 电气工程与系统科学 2019-08-27 Rui Li , Zhibin Pan , Yang Wang , Ping Wang

Accurate hyperspectral image (HSI) interpretation is critical for providing valuable insights into various earth observation-related applications such as urban planning, precision agriculture, and environmental monitoring. However, existing…

Hyperspectral imaging (HSI) shows great promise for surgical applications, offering detailed insights into biological tissue differences beyond what the naked eye can perceive. Refined labelling efforts are underway to train vision systems…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Junwen Wang , Oscar Maccormac , William Rochford , Aaron Kujawa , Jonathan Shapey , Tom Vercauteren

The effectiveness of spectral-spatial feature learning is crucial for the hyperspectral image (HSI) classification task. Diffusion models, as a new class of groundbreaking generative models, have the ability to learn both contextual…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Jingyi Zhou , Jiamu Sheng , Jiayuan Fan , Peng Ye , Tong He , Bin Wang , Tao Chen

Recently, hyperspectral image (HSI) classification approaches based on deep learning (DL) models have been proposed and shown promising performance. However, because of very limited available training samples and massive model parameters,…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Haokui Zhang , Ying Li , Yenan Jiang , Peng Wang , Qiang Shen , Chunhua Shen

Hyperspectral image (HSI) consists of hundreds of continuous narrow bands with high spectral correlation, which would lead to the so-called Hughes phenomenon and the high computational cost in processing. Band selection has been proven…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Yaoming Cai , Xiaobo Liu , Zhihua Cai

Synthetic aperture sonar (SAS) systems produce high-resolution images of the seabed environment. Moreover, deep learning has demonstrated superior ability in finding robust features for automating imagery analysis. However, the success of…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Yung-Chen Sun , Isaac D. Gerg , Vishal Monga

Large scale optimization problems are ubiquitous in machine learning and data analysis and there is a plethora of algorithms for solving such problems. Many of these algorithms employ sub-sampling, as a way to either speed up the…

最优化与控制 · 数学 2016-02-29 Farbod Roosta-Khorasani , Michael W. Mahoney

In supervised learning for medical image analysis, sample selection methodologies are fundamental to attain optimum system performance promptly and with minimal expert interactions (e.g. label querying in an active learning setup). In this…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Dwarikanath Mahapatra

Hyperspectral imaging has proven its efficiency for target detection applications but the acquisition mode and the data rate are major issues when dealing with real-time detection applications. It can be useful to use snapshot spectral…

3D Gaussian Splatting (3DGS) has revolutionized 3D scene reconstruction, which effectively balances rendering quality, efficiency, and speed. However, existing 3DGS approaches usually generate plausible outputs and face significant…

图形学 · 计算机科学 2025-07-22 Beizhen Zhao , Yifan Zhou , Sicheng Yu , Zijian Wang , Hao Wang