中文
相关论文

相关论文: The Effects of Spectral Dimensionality Reduction o…

200 篇论文

A new line of research uses compression methods to measure the similarity between signals. Two signals are considered similar if one can be compressed significantly when the information of the other is known. The existing compression-based…

计算机视觉与模式识别 · 计算机科学 2019-09-30 Tanaya Guha , Rabab K. Ward

The use of Deep Learning techniques for classification in Hyperspectral Imaging (HSI) is rapidly growing and achieving improved performances. Due to the nature of the data captured by sensors that produce HSI images, a common issue is the…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Aryan Vats , Manan Suri

Hyperspectral anomaly detection (HAD), a crucial approach for many civilian and military applications, seeks to identify pixels with spectral signatures that are anomalous relative to a preponderance of background signatures. Significant…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Abu Hasnat Mohammad Rubaiyat , Jordan Vincent , Colin Olson

Recently, a variety of approaches has been enriching the field of Remote Sensing (RS) image processing and analysis. Unfortunately, existing methods remain limited faced to the rich spatio-spectral content of today's large datasets. It…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Amina Ben Hamida , A Benoit , Patrick Lambert , Chokri Ben Amar

Utilizing hyperspectral remote sensing technology enables the extraction of fine-grained land cover classes. Typically, satellite or airborne images used for training and testing are acquired from different regions or times, where the same…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Yuxiang Zhang , Wei Li , Wen Jia , Mengmeng Zhang , Ran Tao , Shunlin Liang

Deep neural networks perform remarkably well on image classification tasks but remain vulnerable to carefully crafted adversarial perturbations. This work revisits linear dimensionality reduction as a simple, data-adapted defense. We…

机器学习 · 计算机科学 2025-10-08 Killian Steunou , Théo Druilhe , Sigurd Saue

Hyperspectral image classification demands spatially coherent predictions and precise boundary delineation. Yet prevailing superpixel-based methods face an inherent contradiction: clustering aggregates similar pixels into regions, but the…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Peifu Liu , Tingfa Xu , Jie Wang , Huan Chen , Huiyan Bai , Jianan Li

Tensor classification has become increasingly crucial in statistics and machine learning, with applications spanning neuroimaging, computer vision, and recommendation systems. However, the high dimensionality of tensors presents significant…

统计方法学 · 统计学 2024-09-24 Elynn Chen , Yuefeng Han , Jiayu Li

Dimensionality reduction is critical for deploying dense retrieval systems at scale, yet mainstream post-hoc methods face a fundamental trade-off: principal component analysis (PCA) preserves dominant variance but underutilizes…

信息检索 · 计算机科学 2026-04-20 Yongkang Li , Panagiotis Eustratiadis , Evangelos Kanoulas

The success of supervised classification of remotely sensed images acquired over large geographical areas or at short time intervals strongly depends on the representativity of the samples used to train the classification algorithm and to…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Devis Tuia , Claudio Persello , Lorenzo Bruzzone

Hyperspectral imagery provides rich spectral detail but poses unique challenges because of its high dimensionality in both spatial and spectral domains. We propose \textit{HyperspectralMAE}, a Transformer-based foundation model for…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Wooyoung Jeong , Hyun Jae Park , Seonghun Jeong , Jong Wook Jang , Tae Hoon Lim , Dae Seoung Kim

Recent advancements in computer vision, particularly in detection, segmentation, and classification, have significantly impacted various domains. However, these advancements are tied to RGB-based systems, which are insufficient for…

图像与视频处理 · 电气工程与系统科学 2025-05-15 Savvas Sifnaios , George Arvanitakis , Fotios K. Konstantinidis , Georgios Tsimiklis , Angelos Amditis , Panayiotis Frangos

Hyperspectral image (HSI) classification is an important task in many applications, such as environmental monitoring, medical imaging, and land use/land cover (LULC) classification. Due to the significant amount of spectral information from…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Sertac Kilickaya , Mete Ahishali , Fahad Sohrab , Turker Ince , Moncef Gabbouj

We investigate the application of neural networks to the automation of MK spectral classification. The data set for this project consists of a set of over 5000 optical (3800-5200 AA) spectra obtained from objective prism plates from the…

天体物理学 · 物理学 2009-10-30 Coryn A. L. Bailer-Jones , Mike Irwin , Ted von Hippel

Hyperspectral image classification (HSIC) is a challenging task due to high spectral dimensionality, complex spectral-spatial correlations, and limited labeled training samples. Although transformer-based models have shown strong potential…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Farhan Ullah , Irfan Ullah , Khalil Khan , Giovanni Pau , JaKeoung Koo

Model compression is a critical area of research in deep learning, in particular in vision, driven by the need to lighten models memory or computational footprints. While numerous methods for model compression have been proposed, most focus…

机器学习 · 计算机科学 2025-04-08 Jeremy Morlier , Mathieu Leonardon , Vincent Gripon

A change of the prevalent supervised learning techniques is foreseeable in the near future: from the complex, computational expensive algorithms to more flexible and elementary training ones. The strong revitalization of randomized…

机器学习 · 计算机科学 2022-09-02 Antonello Rosato , Massimo Panella , Evgeny Osipov , Denis Kleyko

Deep domain adaptation methods can reduce the distribution discrepancy by learning domain-invariant embedddings. However, these methods only focus on aligning the whole data distributions, without considering the class-level relations among…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Weijian Deng , Liang Zheng , Jianbin Jiao

The VVC codec is applied to the task of multispectral image (MSI) compression using adaptive and scalable coding structures. In a 'plain' VVC approach, concepts from picture-to-picture temporal prediction are employed for decorrelation…

图像与视频处理 · 电气工程与系统科学 2023-01-11 Philipp Seltsam , Priyanka Das , Mathias Wien

Manifold learning is used for dimensionality reduction, with the goal of finding a projection subspace to increase and decrease the inter- and intraclass variances, respectively. However, a bottleneck for subspace learning methods often…

机器学习 · 计算机科学 2021-05-26 Parisa Abdolrahim Poorheravi , Vincent Gaudet