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Related papers: Next Generation of Star Patterns

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The surfaces of rotating stars serve as a window into their interiors, magnetic dynamos, and are important in other areas including exoplanet discovery and atmospheric characterization. While indirect techniques such as photometry and…

Instrumentation and Methods for Astrophysics · Physics 2025-10-01 Shashank Dholakia , Benjamin J. S. Pope

We present a new way to merge any two point distribution approaches using distance fields. Our new process allows us to produce digital stippling that fills areas with stipple dots without visual artifacts as well as includes clear linear…

Graphics · Computer Science 2023-07-04 Germán Arroyo , Domingo Martín , Tobias Isenberg

Text-to-image models are powerful tools for image creation. However, the generation process is akin to a dice roll and makes it difficult to achieve a single image that captures everything a user wants. In this paper, we propose a framework…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Sean J. Liu , Nupur Kumari , Ariel Shamir , Jun-Yan Zhu

We propose the use of two-dimensional photonic crystals with engineered defects for the generation of an arbitrary-profile beam from a focused input beam. The cylindrical harmonics expansion of complex-source beams is derived and used to…

Optics · Physics 2013-02-27 Denis Gagnon , Joey Dumont , Louis J. Dubé

With the advent of digital astronomy, new benefits and new problems have been presented to the modern day astronomer. While data can be captured in a more efficient and accurate manor using digital means, the efficiency of data retrieval…

Instrumentation and Methods for Astrophysics · Physics 2020-01-03 Kyle B Johnston , Hakeem M Oluseyi

A new method for constructing self-referential tilings of Euclidean space from a graph directed iterated function system, based on a combinatorial structure we call a pre-tree, is introduced. In the special case that we refer to as…

Metric Geometry · Mathematics 2019-12-06 Michael Barnsley , Andrew Vince

Model merging is an efficient way of obtaining a multi-task model from several pretrained models without further fine-tuning, and it has gained attention in various domains, including natural language processing (NLP). Despite the…

Computation and Language · Computer Science 2025-02-17 Yu-Ang Lee , Ching-Yun Ko , Tejaswini Pedapati , I-Hsin Chung , Mi-Yen Yeh , Pin-Yu Chen

We have invented a new algorithm to use with self-gravitating SPH Star Formation codes. The new method is designed to enable SPH simulations to self-regulate their numerical resolution, i.e. the number of SPH particles; the latter is…

Astrophysics · Physics 2007-05-23 Spyridon Kitsionas

In this work a new strategy is proposed in order to build analytic and microscopic models of fluctuating polymer rings subjected to topological constraints. The topological invariants used to fix these constraints belong to a wide class of…

Statistical Mechanics · Physics 2020-01-08 Franco Ferrari

Although Transformer has achieved great successes on many NLP tasks, its heavy structure with fully-connected attention connections leads to dependencies on large training data. In this paper, we present Star-Transformer, a lightweight…

Computation and Language · Computer Science 2022-04-26 Qipeng Guo , Xipeng Qiu , Pengfei Liu , Yunfan Shao , Xiangyang Xue , Zheng Zhang

In this paper, we present a method to efficiently generate large, free, and guaranteed convex space among arbitrarily cluttered obstacles. Our method operates directly on point clouds, avoids expensive calculations, and processes thousands…

Robotics · Computer Science 2020-11-17 Xingguang Zhong , Yuwei Wu , Dong Wang , Qianhao Wang , Chao Xu , Fei Gao

We developed and applied a computer analysis method to detect ring galaxy candidates in the first data release of PanSTARRS. The method works by applying a low-pass filter, followed by dynamic global thresholding to search for closed…

Astrophysics of Galaxies · Physics 2017-06-14 Ian Timmis , Lior Shamir

Deforming fundamental domains of wallpaper groups provides a systematic way to generate non-convex blocks which admit topological interlocking assemblies (TIAs). We use this approach to construct TIAs that fully occupy the space between two…

Group Theory · Mathematics 2026-04-27 Meike Weiß , Alice C. Niemeyer

The formation of stellar clusters dictates the pace at which galaxies evolve, and solving the question of their formation will undoubtedly lead to a better understanding of the Universe as a whole. While it is well known that star clusters…

Astrophysics of Galaxies · Physics 2023-08-11 Nicolas Peretto , Andrew J. Rigby , Fabien Louvet , Gary A. Fuller , Alessio Traficante , Mathilde Gaudel

Nested space-filling designs are nested designs with attractive low-dimensional stratification. Such designs are gaining popularity in statistics, applied mathematics and engineering. Their applications include multi-fidelity computer…

Methodology · Statistics 2014-08-29 Fasheng Sun , Min-Qian Liu , Peter Z. G. Qian

Scene graph generation (SGG) in satellite imagery (SAI) benefits promoting understanding of geospatial scenarios from perception to cognition. In SAI, objects exhibit great variations in scales and aspect ratios, and there exist rich…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Yansheng Li , Linlin Wang , Tingzhu Wang , Xue Yang , Junwei Luo , Qi Wang , Youming Deng , Wenbin Wang , Xian Sun , Haifeng Li , Bo Dang , Yongjun Zhang , Yi Yu , Junchi Yan

A geometrical pattern is a set of points with all pairwise distances (or, more generally, relative distances) specified. Finding matches to such patterns has applications to spatial data in seismic, astronomical, and transportation…

Databases · Computer Science 2017-03-09 Fabio Porto , Amir Khatibi , João R. Nobre , Eduardo Ogasawara , Patrick Valduriez , Dennis Shasha

This paper proposes a fully-automatic, text-guided generative method for producing perfectly-repeating, periodic, tile-able 2D imagery, such as the one seen on floors, mosaics, ceramics, and the work of M.C. Escher. In contrast to square…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Noam Aigerman , Thibault Groueix

We demonstrate for the first time controlled patterning by inducing nucleation of material from a dense aqueous dispersion or solution in an optical tweezers. A hot spot is formed on a glass surface by the trapping laser due to which a…

We propose a photometric technique for future space missions that overcomes the problem of Nyquist aliases. These aliases result from typically long cadences of observation imposed by telemetry constraints. The proposed method is to…

Solar and Stellar Astrophysics · Physics 2018-11-29 Hiromoto Shibahashi , Simon J. Murphy