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The CSVM (CSV with metadata data) is issued from CSV format and used for storing experimental data, models, specifications. CSVM allows the storage of tabular data with a limited but extensible amount of metadata. This increases the…

Quantitative Methods · Quantitative Biology 2012-07-25 Gérôme Beyries , Frédéric Rodriguez

In this paper, we establish a general framework on the reduced dimensional channel state information (CSI) estimation and pre-beamformer design for frequency-selective massive multiple-input multiple-output MIMO systems employing…

Information Theory · Computer Science 2016-07-07 Gokhan M. Guvensen , Ender Ayanoglu

The emergence of sixth-generation (6G) networks has spurred the development of novel testbeds, including sub-THz networks, cell-free systems, and 6G simulators. To maximize the benefits of these systems, it is crucial to make the generated…

In this work we pre-train a DINO-ViT based model using two Synthetic Aperture Radar datasets (S1GRD or GSSIC) across three regions (China, Conus, Europe). We fine-tune the models on smaller labeled datasets to predict vegetation percentage,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Laura Martínez-Ferrer , Anna Jungbluth , Joseph A. Gallego-Mejia , Matt Allen , Francisco Dorr , Freddie Kalaitzis , Raúl Ramos-Pollán

Estimating the geometric median of a dataset is a robust counterpart to mean estimation, and is a fundamental problem in computational geometry. Recently, [HSU24] gave an $(\varepsilon, \delta)$-differentially private algorithm obtaining an…

Data Structures and Algorithms · Computer Science 2025-05-27 Syamantak Kumar , Daogao Liu , Kevin Tian , Chutong Yang

In this paper, a distance between the Gaussian Mixture Models(GMMs) is obtained based on an embedding of the K-component Gaussian Mixture Model into the manifold of the symmetric positive definite matrices. Proof of embedding of K-component…

Differential Geometry · Mathematics 2025-01-14 Amit Vishwakarma , KS Subrahamanian Moosath

In recent years, geospatial big data (GBD) has obtained attention across various disciplines, categorized into big earth observation data and big human behavior data. Identifying geospatial patterns from GBD has been a vital research focus…

Databases · Computer Science 2024-04-30 Jiayang Wu , Wensheng Gan , Han-Chieh Chao , Philip S. Yu

Astronomical data generally consists of 2 or more high-resolution axes, e.g., X,Y position on the sky or wavelength and position-along-one-axis (long-slit spectrometer). Analyzing these multi-dimension observations requires combining 3D…

Instrumentation and Methods for Astrophysics · Physics 2009-02-11 Daniel Dewey , Michael S. Noble

A class of discrete probability distributions contains distributions with limited support, i.e. possible argument values are limited to a set of numbers (typically consecutive). Examples of such data are results from subjective experiments…

Methodology · Statistics 2019-09-11 Lucjan Janowski , Bogdan Ćmiel , Krzysztof Rusek , Jakub Nawała , Zhi Li

Biologists study Diatoms, a fundamental algae, to assess the health of aquatic systems. Diatom specimens have traditionally been preserved on analog slides, where a single slide can contain thousands of these microscopic organisms.…

Information Retrieval · Computer Science 2024-11-04 Kio Polson , Marina Potapova , Uttam Meena , Chad Peiper , Joshua Brown , Joshua Agar , Jane Greenberg

Gamma-ray astronomy is able to acquire large data volumes that astronomers use to draw scientific conclusions from. Ensuring the possibility of accessing and utilizing this data also after the lifetime of currently running experiments…

Instrumentation and Methods for Astrophysics · Physics 2025-12-01 C. P. Walther , C. Nigro , D. Elsässer , W. Rhode

Medical Ultrasound (US) is one of the most widely used imaging modalities in clinical practice, but its usage presents unique challenges such as variable imaging quality. Deep Learning (DL) models can serve as advanced medical US image…

Image and Video Processing · Electrical Eng. & Systems 2023-10-06 Zhaoshan Liu , Qiujie Lv , Chau Hung Lee , Lei Shen

Diffusion models (DMs) have demonstrated exceptional generative capabilities across various domains, including image, video, and so on. A key factor contributing to their effectiveness is the high quantity and quality of data used during…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Qianlong Xiang , Miao Zhang , Yuzhang Shang , Jianlong Wu , Yan Yan , Liqiang Nie

Domain Generalization is a challenging topic in computer vision, especially in Gastrointestinal Endoscopy image analysis. Due to several device limitations and ethical reasons, current open-source datasets are typically collected on a…

Image and Video Processing · Electrical Eng. & Systems 2022-05-09 Weichen Fan , Yuanbo Yang , Kunpeng Qiu , Shuo Wang , Yongxin Guo

Multidimensional scaling (MDS) is a dimensionality reduction tool used for information analysis, data visualization and manifold learning. Most MDS procedures embed data points in low-dimensional Euclidean (flat) domains, such that…

Computational Geometry · Computer Science 2018-10-23 Gil Shamai , Michael Zibulevsky , Ron Kimmel

Change Detection (CD) enables the identification of alterations between images of the same area captured at different times. However, existing CD methods still struggle to address pseudo changes resulting from domain information differences…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Yi Xiao , Bin Luo , Jun Liu , Xin Su , Wei Wang

Near-field ultra-massive MIMO (U-MIMO) systems provide enhanced spatial resolution but present challenges for channel estimation, particularly when hybrid architectures are employed. Within this framework, dictionary-based channel…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Luca Antonelli , Antonio Alberto D Amico , Luca Sanguinetti

Geometric distortion (GD) critically constrains the precision of astrometry. Using well-established methods to correct GD requires calibration observations, which can only be obtained using a special dithering strategy during the…

Instrumentation and Methods for Astrophysics · Physics 2024-10-31 F. R. Lin , Q. Y. Peng , Z. J. Zheng , B. F. Guo

Over nearly two decades, Differential Dynamic Microscopy (DDM) has become a standard technique for extracting dynamic correlation functions from time-lapse microscopy data, with applications spanning colloidal suspensions, polymer…

Soft Condensed Matter · Physics 2025-11-11 Enrico Lattuada , Fabian Krautgasser , Maxime Lavaud , Fabio Giavazzi , Roberto Cerbino

We compute the evolution of the grain size distribution (GSD) in a suite of numerical simulations of an isolated Milky-Way-like galaxy using the $N$-body/smoothed-particle-hydrodynamics code {\sc Gadget-4}. The full GSD is sampled on a…

Astrophysics of Galaxies · Physics 2022-05-25 Leonard E. C. Romano , Kentaro Nagamine , Hiroyuki Hirashita
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