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Tau-REx (Tau Retrieval of Exoplanets) is a novel, fully Bayesian atmospheric retrieval code custom built for extrasolar atmospheres. In Waldmann et al. (2015) the transmission spectroscopic case was introduced, here we present the emission…

Earth and Planetary Astrophysics · Physics 2015-10-28 Ingo P. Waldmann , Marco Rocchetto , Giovanna Tinetti , Emma J. Barton , Sergey N. Yurchenko , Jonathan Tennyson

Conventional class-guided diffusion models generally succeed in generating images with correct semantic content, but often struggle with texture details. This limitation stems from the usage of class priors, which only provide coarse and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Xiaoyu Yue , Zidong Wang , Zeyu Lu , Shuyang Sun , Meng Wei , Wanli Ouyang , Lei Bai , Luping Zhou

We present a new method for image feature-extraction which is based on representing an image by a finite-dimensional vector of distances that measure how different the image is from a set of image prototypes. We use the recently introduced…

Machine Learning · Computer Science 2013-05-21 Uzi Chester , Joel Ratsaby

Hydrodynamical simulations are increasingly able to accurately model physical systems on stellar, galactic, and cosmological scales, however, the utility of these simulations is often limited by our ability to directly compare them with the…

Instrumentation and Methods for Astrophysics · Physics 2017-09-26 Cameron Hummels , Britton Smith , Devin Silvia

We introduce Accelerated Sequential Posterior Inference via Reuse (ASPIRE), a broadly applicable framework that transforms existing posterior samples and Bayesian evidence estimates into unbiased results under alternative models without…

High Energy Physics - Experiment · Physics 2025-11-07 Michael J. Williams

Photometric redshift estimation is becoming an increasingly important technique, although the currently existing methods present several shortcomings which hinder their application. Here it is shown that most of those drawbacks are…

Astrophysics · Physics 2011-05-05 Narciso Benitez

3D Gaussian Splatting (3DGS) has emerged as a powerful technique for novel view synthesis, subsequently extending into numerous spatial AI applications. However, most existing 3DGS methods operate in isolation, focusing on specific domains.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Yueen Ma , Zenglin Xu , Irwin King

I present a new FITS viewer designed to explore 3D spectral line data (in particular HI) and assist with visual source extraction and analysis. Using the artistic software Blender, FRELLED can visualise even large (~600^3 voxels) data sets…

Instrumentation and Methods for Astrophysics · Physics 2015-10-14 Rhys Taylor

The inverse imaging task in radio interferometry is a key limiting factor to retrieving Bayesian uncertainties in radio astronomy in a computationally effective manner. We use a score-based prior derived from optical images of galaxies to…

Instrumentation and Methods for Astrophysics · Physics 2023-12-01 Noe Dia , M. J. Yantovski-Barth , Alexandre Adam , Micah Bowles , Pablo Lemos , Anna M. M. Scaife , Yashar Hezaveh , Laurence Perreault-Levasseur

Determining the sensitivity of the posterior to perturbations of the prior and likelihood is an important part of the Bayesian workflow. We introduce a practical and computationally efficient sensitivity analysis approach using importance…

Methodology · Statistics 2024-01-05 Noa Kallioinen , Topi Paananen , Paul-Christian Bürkner , Aki Vehtari

We present the main steps that will be taken to extract H$\alpha$ emission flux from Javalambre Photometric Local Universe Survey (J-PLUS) photometric data. For galaxies with $z\lesssim0.015$, the H$\alpha$+[NII] emission is covered by the…

We anticipate that hundreds of thousands of distant, strongly gravitationally lensed sources will be detectable with the European Space Agency's (ESA) Euclid mission and the Rubin Observatory Legacy Survey of Space and Time. We consider the…

Astrophysics of Galaxies · Physics 2026-04-15 Paul L. Schechter

The present paper considers modified extension of the exponential distribution with three parameters. We study the main properties of this new distribution, with special emphasis on its median, mode and moments function and some…

Other Statistics · Statistics 2015-10-28 M. A. El-Damcese , Dina. A. Ramadan

We present NeX, a new approach to novel view synthesis based on enhancements of multiplane image (MPI) that can reproduce next-level view-dependent effects -- in real time. Unlike traditional MPI that uses a set of simple RGB$\alpha$…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Suttisak Wizadwongsa , Pakkapon Phongthawee , Jiraphon Yenphraphai , Supasorn Suwajanakorn

Spectral information has long been recognized as a critical cue in remote sensing observations. Although numerous vision-language models have been developed for pixel-level interpretation, spectral information remains underutilized,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Dongchen Si , Di Wang , Erzhong Gao , Xiaolei Qin , Liu Zhao , Jing Zhang , Minqiang Xu , Jianbo Zhan , Jianshe Wang , Lin Liu , Bo Du , Liangpei Zhang

Recent advancements in language-guided diffusion models for image editing are often bottle-necked by cumbersome prompt engineering to precisely articulate desired changes. An intuitive alternative calls on guidance from in-the-wild image…

Computer Vision and Pattern Recognition · Computer Science 2025-01-20 Shristi Das Biswas , Matthew Shreve , Xuelu Li , Prateek Singhal , Kaushik Roy

This paper describes a feature extraction and gaze estimation software, named \textit{Pistol} that can be used with Pupil Invisible projects and other eye trackers in the future. In offline mode, our software extracts multiple features from…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Wolfgang Fuhl , Daniel Weber , Shahram Eivazi

Contrastive language-image pre-training (CLIP) has demonstrated remarkable zero-shot classification ability, namely image classification using novel text labels. Existing works have attempted to enhance CLIP by fine-tuning on downstream…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Seongha Eom , Namgyu Ho , Jaehoon Oh , Se-Young Yun

We have revised the SWIRE Photometric Redshift Catalogue to take account of new optical photometry in several of the SWIRE areas, and incorporating 2MASS and UKIDSS near infrared data. Aperture matching is an important issue for combining…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-03 Michael Rowan-Robinson , Eduardo Gonzalez-Solares , Mattia Vaccari , Lucia Marchetti

In recent years considerable research in LiDAR semantic segmentation was conducted, introducing several new state of the art models. However, most research focuses on single-scan point clouds, limiting performance especially in long…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Andrea Matteazzi , Pascal Colling , Michael Arnold , Dietmar Tutsch