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In-context Learning (ICL) empowers large language models (LLMs) to swiftly adapt to unseen tasks at inference-time by prefixing a few demonstration examples before queries. Despite its versatility, ICL incurs substantial computational and…

Machine Learning · Computer Science 2025-02-26 Zhuowei Li , Zihao Xu , Ligong Han , Yunhe Gao , Song Wen , Di Liu , Hao Wang , Dimitris N. Metaxas

Diffuse intracluster light (ICL) has now been observed in nearby and in intermediate redshift clusters. Individual intracluster stars have been detected in the Virgo and Coma clusters and the first color-magnitude diagram and velocity…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 Magda Arnaboldi , Ortwin Gerhard

Conventional deep learning models deal with images one-by-one, requiring costly and time-consuming expert labeling in the field of medical imaging, and domain-specific restriction limits model generalizability. Visual in-context learning…

We analyzed the contribution of the intracluster light (ICL) to the total luminosity of two massive galaxy clusters observed by the Hubble Space Telescope within the Frontier Fields program, Abell 370 (z ~ 0.375) and Abell S1063 (z ~…

Astrophysics of Galaxies · Physics 2022-02-18 Nícolas O. L. de Oliveira , Yolanda Jiménez-Teja , Renato Dupke

We present a robust, apples-to-apples comparison between the photometric properties of the intracluster light (ICL) in the TNG300 magnetohydrodynamic cosmological simulation and those in Wendelstein Wide Field Imager (WWFI) observations.…

Extragalactic stars within galaxy clusters contribute to the intracluster light (ICL), which is thought to be a promising tracer of the underlying dark matter (DM) distribution. In this study, we employ the TNG300 simulation to investigate…

In-context Learning (ICL) is an emerging few-shot learning paradigm on Language Models (LMs) with inner mechanisms un-explored. There are already existing works describing the inner processing of ICL, while they struggle to capture all the…

Computation and Language · Computer Science 2025-02-21 Hakaze Cho , Mariko Kato , Yoshihiro Sakai , Naoya Inoue

We present a pilot study on the origin and assembly history of the ICL for four galaxy clusters at 0.44<z<0.57 observed with the Hubble Space Telescope from the Cluster Lensing and Supernova Survey with Hubble (CLASH) sample. Using this…

Astrophysics of Galaxies · Physics 2015-06-23 Tahlia DeMaio , Anthony Gonzalez , Ann Zabludoff , Dennis Zaritsky , Marusa Bradac

The intracluster medium (ICM) records the history of galaxy clusters through its complex dynamical properties. To effectively interpret these properties, robust methods are needed to compare observational data with theoretical models. We…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-20 Efrain Gatuzz

We take advantage of a semi-analytic model with a state-of-art implementation of the formation of the intra-cluster light (ICL) to study the mass distribution of the ICL in galaxy groups and clusters, at different redshifts. We assume the…

Astrophysics of Galaxies · Physics 2020-10-07 Emanuele Contini , Qiu Sheng Gu

We present a machine learning (ML) pipeline to identify star clusters in the multi{color images of nearby galaxies, from observations obtained with the Hubble Space Telescope as part of the Treasury Project LEGUS (Legacy ExtraGalactic…

Astrophysics of Galaxies · Physics 2021-02-10 Gustavo Perez , Matteo Messa , Daniela Calzetti , Subhransu Maji , Dooseok Jung , Angela Adamo , Mattia Siressi

LiDARs are usually more accurate than cameras in distance measuring. Hence, there is strong interest to apply LiDARs in autonomous driving. Different existing approaches process the rich 3D point clouds for object detection, tracking and…

Robotics · Computer Science 2020-10-15 You Li , Clément Le Bihan , Txomin Pourtau , Thomas Ristorcelli

The starlight coming from the intergalactic space in galaxy clusters and groups witnesses the violent tidal interactions that galaxies experience in these dense environments. Such interactions may be (at least partly) responsible for the…

Astrophysics · Physics 2009-11-11 Stefano Zibetti , Simon D. M. White

The diffuse intracluster light (ICL) contains a significant fraction of the total stellar mass in clusters of galaxies, and contributes in roughly equal proportion as the hot intra-cluster medium (ICM) to the total baryon content of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 I. Toledo , J. Melnick , F. Selman , H. Quintana , E. Giraud , P. Zelaya

Learning a deep model from small data is yet an opening and challenging problem. We focus on one-shot classification by deep learning approach based on a small quantity of training samples. We proposed a novel deep learning approach named…

Machine Learning · Computer Science 2018-02-13 Chuanyun Xu , Yang Zhang , Xin Feng , YongXing Ge , Yihao Zhang , Jianwu Long

Semi-supervised medical image segmentation has attracted much attention in recent years because of the high cost of medical image annotations. In this paper, we propose a novel Inherent Consistent Learning (ICL) method, aims to learn robust…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Ye Zhu , Jie Yang , Si-Qi Liu , Ruimao Zhang

We investigate the broadband optical emission of diffuse intergalactic stars in galaxy clusters at z~0.25 by means of an image stacking technique. The images of 654 clusters, selected with the max-BCG algorithm from a subsample of the…

Astrophysics · Physics 2009-11-10 Stefano Zibetti , Simon D. M. White

Large language models (LLMs) have exhibited striking in-context learning (ICL) ability to adapt to target tasks with a few input-output demonstrations. For better ICL, different methods are proposed to select representative demonstrations…

Computation and Language · Computer Science 2023-10-24 Wei-Lin Chen , Cheng-Kuang Wu , Yun-Nung Chen , Hsin-Hsi Chen

Multiwavelength deep observations are a key tool to understand the origin of the diffuse light in clusters of galaxies: the intra-cluster light (ICL). For this reason, we take advantage of the Hubble Frontier Fields survey to investigate…

Cosmology and Nongalactic Astrophysics · Physics 2017-12-20 Mireia Montes , Ignacio Trujillo

Galaxy groups and clusters assembled through dynamical interactions of smaller systems, resulting in the formation of a diffuse stellar halo known as the intragroup or intracluster light (IGL/ICL). By preserving the records of these…

Astrophysics of Galaxies · Physics 2025-10-29 S. L. Ahad , H. Hoekstra , Y. M. Bahé , I. K. Baldry , K. Kuijken , S. Brough , B. W. Holwerda