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AI & Data Science Preprint PDF DOI

Prototype-Based Low Altitude UAV Semantic Segmentation

Da Zhang, Gao Junyu, Zhao Zhiyuan ยท 2026

Semantic segmentation of low-altitude UAV imagery presents unique challenges due to extreme scale variations, complex object boundaries, and limited computational resources on edge devices. Existing tโ€ฆ

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Physics Preprint PDF DOI

Phase-space integrals through Mellin-Barnes representation

Taushif Ahmed, Syed Mehedi Hasan, Andreas Rapakoulias ยท 2026

We compute angular phase-space integrals with three and four denominators analytically, working within dimensional regularisation via the Mellin-Barnes (MB) representation. The approach converts multiโ€ฆ

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AI & Data Science Preprint PDF DOI

Better Rigs, Not Bigger Networks: A Body Model Ablation for Gaussian Avatars

Derek Austin ยท 2026

Recent 3D Gaussian splatting methods built atop SMPL achieve remarkable visual fidelity while continually increasing the complexity of the overall training architecture. We demonstrate that much of thโ€ฆ

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Physics Preprint PDF DOI

Delayed Radio Flares in Neutrino-associated Blazars: The Case of TXS 0506+056

S. I. Stathopoulos, C. Yuan, G. Vasilopoulos, F. Testagrossa, D. Karavola, M. Petropoulou, W. Winter ยท 2026

Radio flares have been postulated to be associated with the production of astrophysical neutrinos. For example, TXS 0506+056 exhibits a 2-3 yr delay between the 2017 IceCube-170922A/$\gamma$-ray flareโ€ฆ

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Engineering Preprint PDF DOI

AdaLoRA-QAT: Adaptive Low-Rank and Quantization-Aware Segmentation

Prantik Deb, Srimanth Dhondy, N. Ramakrishna, Anu Kapoor, Raju S. Bapi, Tapabrata Chakraborti ยท 2026

Chest X-ray (CXR) segmentation is an important step in computer-aided diagnosis, yet deploying large foundation models in clinical settings remains challenging due to computational constraints. We proโ€ฆ

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Physics Preprint PDF DOI

Energy Correlators from Star Integrals via Mellin Space

Anastasia Volovich, Di Wu, Kai Yan ยท 2026

We explore the Mellin space representation for the collinear limit of $N$-point energy correlators in ${\cal N}=4$ super-Yang-Mills theory. We show that these correlators can be written as integro-difโ€ฆ

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Computer Science Preprint PDF DOI

Investigating Autonomous Agent Contributions in the Wild: Activity Patterns and Code Change over Time

Razvan Mihai Popescu, David Gros, Andrei Botocan, Rahul Pandita, Prem Devanbu, Maliheh Izadi ยท 2026

The rise of large language models for code has reshaped software development. Autonomous coding agents, able to create branches, open pull requests, and perform code reviews, now actively contribute tโ€ฆ

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Computer Science Preprint PDF DOI

Signal Constellations with Enhanced Energy Efficiency for High-Speed Communication Systems

Mark Bykhovskiy ยท 2026

This paper proposes a new method for constructing multidimensional signal constellations (SC), referred to as SCOPT, for high-speed communication systems with enhanced energy efficiency (EE). In contrโ€ฆ

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Physics Preprint PDF DOI

Generating intense attosecond pulses and vectorizing polarization states from laser-plasma interactions

Panfei Geng, Yipeng Wu, Zhixin Fan, Min Chen, Longqing Yi, Xiaohui Yuan, Zhengming Sheng, Warren B. Mori, Chan Joshi, Jie Zhang ยท 2026

Vector beams with spatially structured polarization and intertwined spin-orbital angular momentum (SAM-OAM) provide powerful degrees of freedom for tailoring light-matter interactions. While such struโ€ฆ

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Physics Preprint PDF DOI

Universal features of high-energy scattering of Laguerre-Gaussian states

Yaoqi Yang, Igor P. Ivanov ยท 2026

Vortex states of photons, electrons, and other particles are wave packets that carry intrinsic orbital angular momentum (OAM) and exhibit other features unavailable for plane waves. Collisions of highโ€ฆ

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AI & Data Science Preprint PDF DOI

TF-SSD: A Strong Pipeline via Synergic Mask Filter for Training-free Co-salient Object Detection

Zhijin He, Shuo Jin, Siyue Yu, Shuwei Wu, Bingfeng Zhang, Li Yu, Jimin Xiao ยท 2026

Co-salient Object Detection (CoSOD) aims to segment salient objects that consistently appear across a group of related images. Despite the notable progress achieved by recent training-based approachesโ€ฆ

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Computer Science Preprint PDF DOI

Lightweight, Practical Encrypted Face Recognition with GPU Support

Gabrielle De Micheli, Syed Mahbub Hafiz, Geovandro Pereira, Eduardo L. Cominetti, Thales B. Paiva, Jina Choi, Marcos A. Simplicio Jr, Bahattin Yildiz ยท 2026

Face recognition models operate in a client-server setting where a client extracts a compact face embedding and a server performs similarity search over a template database. This raises privacy concerโ€ฆ

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AI & Data Science Preprint PDF DOI

Neuropsychiatric Deviations From Normative Profiles: An MRI-Derived Marker for Early Alzheimer's Disease Detection

Synne Hjertager Osenbroch, Lisa Ramona Rosvold, Yao Lu, Alvaro Fernandez-Quilez ยท 2026

Neuropsychiatric symptoms (NPS) such as depression and apathy are common in Alzheimer's disease (AD) and often precede cognitive decline. NPS assessments hold promise as early detection markers due toโ€ฆ

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AI & Data Science Preprint PDF DOI

PC-SAM: Patch-Constrained Fine-Grained Interactive Road Segmentation in High-Resolution Remote Sensing Images

Chengcheng Lv, Rushi Li, Mincheng Wu, Xiufang Shi, Zhenyu Wen, Shibo He ยท 2026

Road masks obtained from remote sensing images effectively support a wide range of downstream tasks. In recent years, most studies have focused on improving the performance of fully automatic segmentaโ€ฆ

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Economics & Finance Preprint PDF DOI

When AI Improves Answers but Slows Knowledge Creation: Matching and Dynamic Knowledge Creation in Digital Public Goods

Keh-Kuan Sun ยท 2026

Generative AI helps users solve problems more efficiently, but without leaving a public trace. Fewer discussions and solutions reach public platforms, and the archives that future problem-solvers depeโ€ฆ

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AI & Data Science Preprint PDF DOI

UCMNet: Uncertainty-Aware Context Memory Network for Under-Display Camera Image Restoration

Daehyun Kim, Youngmin Kim, Yoon Ju Oh, Tae Hyun Kim ยท 2026

Under-display cameras (UDCs) allow for full-screen designs by positioning the imaging sensor underneath the display. Nonetheless, light diffraction and scattering through the various display layers reโ€ฆ

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AI & Data Science Preprint PDF DOI

CardioSAM: Topology-Aware Decoder Design for High-Precision Cardiac MRI Segmentation

Ujjwal Jain ยท 2026

Accurate segmentation of cardiac structures in cardiovascular magnetic resonance (CMR) images is essential for reliable diagnosis and treatment of cardiovascular diseases. However, manual segmentationโ€ฆ

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Engineering Preprint PDF DOI

Harmonization mitigates diffusion MRI scanner effects in infancy: insights from the HEALthy Brain and Childhood Development (HBCD) study

Elyssa M. McMaster, Gaurav Rudravaram, Michael E. Kim, Trent M. Schwartz, Chloe Scholten, Jongyeon Yoon, Adam M. Saunders, Andre T.S. Hucke, Karthik Ramadass, Emily M. Harriott, Steven L. Meisler, Simon N. Vandekar, Allen Newton, Seth A. Smith, Saikat Sengupta, Kathryn L. Humphreys, Sarah Osmundson, Daniel Moyer, Laurie E. Cutting, Bennett A. Landman ยท 2026

The HEALthy Brain and Childhood Development (HBCD) Study is an ongoing longitudinal initiative to understand population-level brain maturation; however, large-scale studies must overcome site-related โ€ฆ

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AI & Data Science Preprint PDF DOI

Sit-to-Stand Transitions Detection and Duration Measurement Using Smart Lacelock Sensor

Md Rafi Islam, Md Rejwanul Haque, Elizabeth Choma, Shannon Hayes, Siobhan McMahon, Xiangrong Shen, Edward Sazonov ยท 2026

Postural stability during movement is fundamental to independent living, fall prevention, and overall health, particularly among older adults who experience age-related declines in balance, muscle strโ€ฆ

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Physics Preprint PDF DOI

Eppur non si trovano Vol. 2: No Planetary-mass Primordial Black Holes toward the Andromeda Galaxy

Przemek Mroz, Andrzej Udalski ยท 2026

A recent preprint by Sugiyama et al. reported the discovery of twelve candidates for short-timescale (less than one day) gravitational microlensing events based on high-cadence photometric observationโ€ฆ

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