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This monograph reviews our current understanding of the physical dynamics of ice crystal growth, focusing on the spontaneous formation of complex structures from water vapor (called snow crystals) as a function of temperature,…

Materials Science · Physics 2021-12-10 Kenneth G. Libbrecht

Adapting a pretrained diffusion model to new objectives at inference time remains an open problem in generative modeling. Existing steering methods suffer from inaccurate value estimation, especially at high noise levels, which biases…

Machine Learning · Computer Science 2025-06-27 Vineet Jain , Kusha Sareen , Mohammad Pedramfar , Siamak Ravanbakhsh

Tabular data is hard to acquire and is subject to missing values. This paper introduces a novel approach for generating and imputing mixed-type (continuous and categorical) tabular data utilizing score-based diffusion and conditional flow…

Machine Learning · Computer Science 2024-02-21 Alexia Jolicoeur-Martineau , Kilian Fatras , Tal Kachman

Presentation slides describing the content of scientific and technical papers are an efficient and effective way to present that work. However, manually generating presentation slides is labor intensive. We propose a method to automatically…

Computation and Language · Computer Science 2021-06-08 Athar Sefid , Jian Wu , Prasenjit Mitra , Lee Giles

Scientific charts are essential tools for effectively communicating research findings, serving as a vital medium for conveying information and revealing data patterns. With the rapid advancement of science and technology, coupled with the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Mateo Alejandro Rojas , Rafael Carranza

Producing rare isotopes through statistical multifragmentation is investigated using the Mekjian method for exact solutions of the canonical ensemble. Both the initial fragmentation and the the sequential decay are modeled in such a way as…

Nuclear Theory · Physics 2016-09-08 Scott Pratt , Wolfgang Bauer , Christopher Morling , Patrick Underhill

Conventional seismic techniques for detecting the subsurface geologic features are challenged by limited data coverage, computational inefficiency, and subjective human factors. We developed a novel data-driven geological feature detection…

Machine Learning · Computer Science 2018-09-26 Youzuo Lin , Shusen Wang , Jayaraman Thiagarajan , George Guthrie , David Coblentz

Estimating the temperature and metal abundance of the intracluster and the intragroup media is crucial to determine their global metal content and to determine fundamental cosmological parameters. When a spatially resolved temperature or…

Astrophysics · Physics 2009-11-13 L. Ciotti , S. Pellegrini

The ever-increasing use of generative models in various fields where tabular data is used highlights the need for robust and standardized validation metrics to assess the similarity between real and synthetic data. Current methods lack a…

Machine Learning · Computer Science 2024-08-01 Patricia A. Apellániz , Ana Jiménez , Borja Arroyo Galende , Juan Parras , Santiago Zazo

Literature analysis facilitates researchers to acquire a good understanding of the development of science and technology. The traditional literature analysis focuses largely on the literature metadata such as topics, authors, abstracts,…

Artificial Intelligence · Computer Science 2021-01-29 Linlin Hou , Ji Zhang , Ou Wu , Ting Yu , Zhen Wang , Zhao Li , Jianliang Gao , Yingchun Ye , Rujing Yao

Analysing and learning from spatio-temporal datasets is an important process in many domains, including transportation, healthcare and meteorology. In particular, data collected by sensors in the environment allows us to understand and…

Databases · Computer Science 2020-05-19 Liam Steadman , Nathan Griffiths , Stephen Jarvis , Mark Bell , Shaun Helman , Caroline Wallbank

In Novel Class Discovery (NCD), the goal is to find new classes in an unlabeled set given a labeled set of known but different classes. While NCD has recently gained attention from the community, no framework has yet been proposed for…

Denoising Diffusion Models (DDMs) have become a popular tool for generating high-quality samples from complex data distributions. These models are able to capture sophisticated patterns and structures in the data, and can generate samples…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Emanuele Aiello , Diego Valsesia , Enrico Magli

Score-based generative models (SGMs) have gained prominence in sparse-view CT reconstruction for their precise sampling of complex distributions. In SGM-based reconstruction, data consistency in the score-based diffusion model ensures close…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Weiwen Wu , Yanyang Wang

Describing the comprehensive evolutionary scenario for asteroids is key to explaining the various physical processes of the solar system. Bulk-scale carbonaceous chondrites (CCs) possibly record the primordial information associated with…

Earth and Planetary Astrophysics · Physics 2021-02-24 Ryota Fukai , Sota Arakawa

Zinc metal-silicate fractionation provides experimental access to the conditions of core formation and Zn has been used to estimate the S contents of the Earth's core and of the bulk Earth, assuming that they share similar volatility and…

Earth and Planetary Astrophysics · Physics 2016-10-26 B. Mahan , J. Siebert , E. A. Pringle , F. Moynier

Automatic segmentation in MR brain images is important for quantitative analysis in large-scale studies with images acquired at all ages. This paper presents a method for the automatic segmentation of MR brain images into a number of tissue…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Pim Moeskops , Max A. Viergever , Adriënne M. Mendrik , Linda S. de Vries , Manon J. N. L. Benders , Ivana Išgum

We present an algorithm for the fast computation of the general $N$-point spatial correlation functions of any discrete point set embedded within an Euclidean space of $\mathbb{R}^n$. Utilizing the concepts of kd-trees and graph databases,…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-19 Cristiano G. Sabiu , Ben Hoyle , Juhan Kim , Xiao-Dong Li

Datasets are critical for scientific research, playing an important role in replication, reproducibility, and efficiency. Researchers have recently shown that datasets are becoming more important for science to function properly, even…

Computation and Language · Computer Science 2024-05-24 Tong Zeng , Daniel Acuna

Data augmentation techniques are widely used in low-resource automatic morphological inflection to overcome data sparsity. However, the full implications of these techniques remain poorly understood. In this study, we aim to shed light on…

Computation and Language · Computer Science 2023-10-25 Farhan Samir , Miikka Silfverberg