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AI & Data Science Preprint PDF DOI

Improving Bias Correction Methods for Daily Rainfall Using a Markov Chain Approach

Danny Parsons, David Stern, Mouhamadou Bamba Sylla, James Musyoka, John Bagiliko, Lily Clements, John Mupuro, Denis Ndanguza · 2026

Accurate, localised rainfall information is essential for applications such as agricultural planning, climate risk assessment, and water resources management. Gridded climate products provide rainfall…

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Physics Preprint PDF DOI

Quantitative Pulse Shape-Instability Analysis Using 2D-Runs FROG

Pedram Abdolghader, Rana Jafari, Abinash Das, Bilol Banerjee, Ellen P. Crews, Rick Trebino · 2026

We present a method for quantifying pulse-shape instability in a train of pulses using multi-shot Second-Harmonic-Generation Frequency-Resolved Optical Gating (SHG FROG). All versions of multi-shot FR…

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Physics Preprint PDF DOI

Thermal instability in coronal loops: linking eigenvalue spectra to time-dependent evolution

Adrian Kelly, Rony Keppens, Jordi De Jonghe · 2026

Cool, dense condensations such as coronal rain and prominences suggest that coronal plasma can undergo runaway radiative cooling. Connecting this behaviour to linear thermal modes requires us to fully…

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Computer Science Preprint PDF DOI

Probabilistic Abduction in a Fuzzy Logic Framework

Tommaso Flaminio, Katsumi Inoue, Daniil Kozhemiachenko · 2026

We study the problem of explaining observations about the probabilities of events, such as "it rains $20\%$ of the time", "rain and snow are equally likely", etc. We explain these statements with a pr…

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AI & Data Science Preprint PDF DOI

Trust-SSL: Additive-Residual Selective Invariance for Robust Aerial Self-Supervised Learning

Wadii Boulila, Adel Ammar, Bilel Benjdira, Maha Driss · 2026

Self-supervised learning (SSL) is a standard approach for representation learning in aerial imagery. Existing methods enforce invariance between augmented views, which works well when augmentations pr…

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AI & Data Science Preprint PDF DOI

LoViF 2026 Challenge on Real-World All-in-One Image Restoration: Methods and Results

Xiang Chen, Hao Li, Jiangxin Dong, Jinshan Pan, Xin Li, Xin He, Naiwei Chen, Shengyuan Li, Fengning Liu, Haoyi Lv, Haowei Peng, Yilian Zhong, Yuxiang Chen, Shibo Yin, Yushun Fang, Xilei Zhu, Yahui Wang, Chen Lu, Kaibin Chen, Xu Zhang, Xuhui Cao, Jiaqi Ma, Ziqi Wang, Shengkai Hu, Yuning Cui, Huan Zhang, Shi Chen, Bin Ren, Lefei Zhang, Guanglu Dong, Qiyao Zhao, Tianheng Zheng, Chunlei Li, Lichao Mou, Chao Ren, Wangzhi Xing, Xin Lu, Enxuan Gu, Jingxi Zhang, Diqi Chen, Qiaosi Yi, Bingcai Wei, Mingyu Liu, Pengyu Wang, Ce Liu, Miaoxin Guan, Boyu Chen, Hongyu Li, Jian Zhu, Xinrui Luo, Ziyang He, Jiayu Wang, Yichen Xiang, Huayi Qi, Haoyu Bian, Yiran Li, Sunlichen Zhou · 2026

This paper presents a review for the LoViF Challenge on Real-World All-in-One Image Restoration. The challenge aimed to advance research on real-world all-in-one image restoration under diverse real-w…

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AI & Data Science Preprint PDF DOI

Localization-Guided Foreground Augmentation in Autonomous Driving

Jiawei Yong, Deyuan Qu, Qi Chen, Kentaro Oguchi, Shintaro Fukushima · 2026

Autonomous driving systems often degrade under adverse visibility conditions-such as rain, nighttime, or snow-where online scene geometry (e.g., lane dividers, road boundaries, and pedestrian crossing…

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AI & Data Science Preprint PDF DOI

Style-Based Neural Architectures for Real-Time Weather Classification

Hamed Ouattara, Pascal Houssam Salmane, Pierre Duthon, Frederic Bernardin, Omar Ait Aider · 2026

In this paper, we present three neural network architectures designed for real-time classification of weather conditions (sunny, rain, snow, fog) from images. These models, inspired by recent advances…

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Engineering Preprint PDF DOI

A Novel Piecewise Atmospheric Attenuation Model for Free Space Optical Links in Vertical Heterogeneous Networks

Eylem Erdogan, Mohammed Elamassie, Ibrahim Altunbas, Gunes Karabulut Kurt, Murat Uysal, Halim Yanikomeroglu · 2026

Free-space optical (FSO) communication is emerging as a key backhaul technology for next-generation vertical heterogeneous networks (VHetNets), whose architecture spans satellites, high-altitude platf…

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Mathematics Preprint PDF DOI

Climate-Driven Dengue Forecasting in Bangladesh: Division-Specific Feature-Set Design and Lag Structure

Faizunnesa Khondaker, Md. Kamrujjaman · 2026

Bangladesh exhibits marked year-to-year variability in dengue, partly driven by meteorological fluctuations that shape \textit{Aedes} breeding-site persistence, mosquito development, and transmission.…

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AI & Data Science Preprint PDF DOI

WeatherSeg: Weather-Robust Image Segmentation using Teacher-Student Dual Learning and Classifier-Updating Attention

Zhang Zhang, Yifeng Zeng, Houshi Jiang, Yinghui Pan · 2026

WeatherSeg, an advanced semi-supervised segmentation framework, addresses autonomous driving's environmental perception challenges in adverse weather while reducing annotation costs. This framework in…

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AI & Data Science Preprint PDF DOI

Stylistic-STORM (ST-STORM) : Perceiving the Semantic Nature of Appearance

Hamed Ouattara, Pierre Duthon, Pascal Houssam Salmane, Frederic Bernardin, Omar Ait Aider · 2026

One of the dominant paradigms in self-supervised learning (SSL), illustrated by MoCo or DINO, aims to produce robust representations by capturing features that are insensitive to certain image transfo…

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Physics Preprint PDF DOI

Rain-Attenuation Peak Frequency in the Terahertz Band

Yuheng Song, Wanzhu Chang, Kefeng Huang, Kaixin Sun, Chen Yao, Jianjun Ma · 2026

Rain introduces broadband and frequency-selective attenuation in wideband terahertz (THz) links, making it necessary to identify a compact spectral descriptor that captures how the dominant loss regio…

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AI & Data Science Preprint PDF DOI

Heuristic Style Transfer for Real-Time, Efficient Weather Attribute Detection

Hamed Ouattara, Pierre Duthon, Pascal Houssam Salmane, Frederic Bernardin, Omar Ait Aider · 2026

We present lightweight and efficient architectures to detect weather conditions from RGB images, predicting the weather type (sunny, rain, snow, fog) and 11 complementary attributes such as intensity,…

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Physics Preprint PDF DOI

Galactic Rain: Cool Gas Inflows in Red Geyser Galaxies and Their Connection to AGN Activity and Interactions

Arian Moghni, Namrata Roy, Timothy M. Heckman, Kevin Bundy, Kyle B. Westfall, Kate H. R. Rubin · 2026

Red geysers are a population of massive (log[M/M$_\odot$]~10.5), quiescent galaxies that exhibit large-scale but weak, bi-symmetric ionized gas outflows, interpreted as signatures of ongoing, low-leve…

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AI & Data Science Preprint PDF DOI

UCS: Estimating Unseen Coverage for Improved In-Context Learning

Jiayi Xin, Xiang Li, Evan Qiang, Weiqing He, Tianqi Shang, Weijie J. Su, Qi Long · 2026

In-context learning (ICL) performance depends critically on which demonstrations are placed in the prompt, yet most existing selectors prioritize heuristic notions of relevance or diversity and provid…

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Engineering Preprint PDF DOI

Rain Rate Estimation Bounds and Weather-Adaptive Pilot Allocation for LEO Satellite ISAC

Haofan Dong, Houtianfu Wang, Hanlin Cai, O. Tansel Baydas, Ozgur B. Akan · 2026

Rain attenuates Ku-band satellite signals by up to 20~dB, encoding precipitation information along the Earth-space slant path. This paper derives the Bayesian Cram\'{e}r-Rao bound (BCRB) for rain rate…

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AI & Data Science Preprint PDF DOI

When Meaning Isn't Literal: Exploring Idiomatic Meaning Across Languages and Modalities

Sarmistha Das, Shreyas Guha, Suvrayan Bandyopadhyay, Salisa Phosit, Kitsuchart Pasupa, Sriparna Saha · 2026

Idiomatic reasoning, deeply intertwined with metaphor and culture, remains a blind spot for contemporary language models, whose progress skews toward surface-level lexical and semantic cues. For insta…

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AI & Data Science Preprint PDF DOI

LoViF 2026 The First Challenge on Weather Removal in Videos

Chenghao Qian, Xin Li, Yeying Jin, Shangguan Sun, Yilian Zhong, Yuxiang Chen, Shibo Yin, Yushun Fang, Xilei Zhu, Yahui Wang, Chen Lu, Ying Fu, Jianan Tian, Jifan Zhang, Chen Zhou, Junyang Jiang, Yuping Sun, Zhuohang Shi, Xiaojing Liu, Jiao Liu, Yatong Zhou, Shuai Liu, Qiang Deng, Jiajia Mi, Qianhao Luo, Weiling Li · 2026

This paper presents a review of the LoViF 2026 Challenge on Weather Removal in Videos. The challenge encourages the development of methods for restoring clean videos from inputs degraded by adverse we…

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AI & Data Science Preprint PDF DOI

Regularized Entropy Information Adaptation with Temporal-Awareness Networks for Simultaneous Speech Translation

Joseph Liu, Nameer Hirschkind, Xiao Yu, Mahesh Kumar Nandwana · 2026

Simultaneous Speech Translation (SimulST) requires balancing high translation quality with low latency. Recent work introduced REINA, a method that trains a Read/Write policy based on estimating the i…

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