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Very long baseline interferometry (VLBI) provides the highest-resolution images in astronomy. The sharpest resolution is nominally achieved at the highest frequencies, but as the observing frequency increases so too does the atmospheric…

Deep Frequency Modulation Interferometry (DFMI) is an emerging laser interferometry technique for high-precision metrology, offering picometer-level displacement measurements and the potential for absolute length determination with…

Instrumentation and Detectors · Physics 2025-11-21 Miguel Dovale-Álvarez

Automated model discovery is the process of automatically searching and identifying the most appropriate model for a given dataset over a large combinatorial search space. Existing approaches, however, often face challenges in balancing the…

Artificial Intelligence · Computer Science 2025-10-01 Lee Jung-Mok , Nam Hyeon-Woo , Moon Ye-Bin , Junhyun Nam , Tae-Hyun Oh

An end-to-end machine learning (ML) lifecycle consists of many iterative processes, from data preparation and ML model design to model training and then deploying the trained model for inference. When building an end-to-end lifecycle for an…

Machine Learning · Computer Science 2025-11-25 Van-Duc Le , Tien-Cuong Bui , Wen-Syan Li

This paper reports on the scientific pipeline for the analysis of the ECLAIRs data of the SVOM mission. We describe the overall procedure, the different steps and the main algorithms of the data analysis for this hard X-ray coded mask…

High Energy Astrophysical Phenomena · Physics 2026-04-28 A. Goldwurm , P. Bacon , N. Bellemont , F. Cangemi , C. Cavet , A. Coleiro , A. Foisseau , A. Gros , C. Lachaud , S. Le Stum , T. Bouchet , J. Rodriguez , L. Bouchet

Mapping the spatial distributions and abundances of complex organic molecules in hot cores and hot corinos is crucial for understanding the astrochemical pathways and the inheritance of prebiotic material by nascent planetary systems.…

Astrophysics of Galaxies · Physics 2025-07-01 Yuxin Lin , Masaki Adachi , Silvia Spezzano , Gordian Edenhofer , Vincent Eberle , Michael A. Osborne , Paola Caselli

A review is given on the current status and selected results from large VLBI surveys of compact extragalactic radio sources made between 13 cm and 3 mm wavelengths and covering the entire sky. More than 4200 objects are observed and imaged…

Astrophysics · Physics 2009-07-22 Y. Y. Kovalev

Large Vision-Language Models (LVLMs) have demonstrated remarkable capabilities across multimodal tasks such as visual perception and reasoning, leading to good performance on various multimodal evaluation benchmarks. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Yue Yang , Shuibai Zhang , Wenqi Shao , Kaipeng Zhang , Yi Bin , Yu Wang , Ping Luo

Super-resolution fluorescence microscopy, with a resolution beyond the diffraction limit of light, has become an indispensable tool to directly visualize biological structures in living cells at a nanometer-scale resolution. Despite…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Yu Li , Fan Xu , Fa Zhang , Pingyong Xu , Mingshu Zhang , Ming Fan , Lihua Li , Xin Gao , Renmin Han

We have been developing a novel interferometer formed directly between a Very Long Baseline Interferometry (VLBI) radio telescope and a Global Navigation Satellite Systems (GNSS) antenna/receiver. This interferometer is enabled by the High…

The quadratic complexity of self-attention during the prefill phase impedes long-context inference in large language models. Existing sparse attention methods face a trade-off among context adaptivity, sampling overhead, and fine-tuning…

Machine Learning · Computer Science 2026-03-06 Chen Guanzhong

Large vision-language models (LVLMs) have shown premise in a broad range of vision-language tasks with their strong reasoning and generalization capabilities. However, they require considerable computational resources for training and…

Computation and Language · Computer Science 2024-06-18 Guiming Hardy Chen , Shunian Chen , Ruifei Zhang , Junying Chen , Xiangbo Wu , Zhiyi Zhang , Zhihong Chen , Jianquan Li , Xiang Wan , Benyou Wang

Space Very-Long-Baseline-Interferometry (S-VLBI) observations at high frequencies hold the prospect of achieving the highest angular resolutions and astrometric accuracies, resulting from the long baselines between ground and satellite…

Instrumentation and Methods for Astrophysics · Physics 2012-01-12 M. Rioja , R. Dodson , J. Malarecki , Y. Asaki

In the last ten years, various automated machine learning (AutoM ) systems have been proposed to build end-to-end machine learning (ML) pipelines with minimal human interaction. Even though such automatically synthesized ML pipelines are…

Machine Learning · Computer Science 2023-11-27 Marc-André Zöller , Waldemar Titov , Thomas Schlegel , Marco F. Huber

Recent advances in visuotactile sensors increasingly employ biomimetic curved surfaces to enhance sensorimotor capabilities. Although such curved visuotactile sensors enable more conformal object contact, their perceptual quality is often…

Robotics · Computer Science 2026-03-11 Xuhao Qin , Feiyu Zhao , Yatao Leng , Runze Hu , Chenxi Xiao

Variational Bayesian phylogenetic inference (VBPI) provides a promising general variational framework for efficient estimation of phylogenetic posteriors. However, the current diagonal Lognormal branch length approximation would…

Populations and Evolution · Quantitative Biology 2020-12-02 Cheng Zhang

We present results from observation, correlation and analysis of interferometric measurements between the three geodetic very long baseline interferometry (VLBI) stations at the Onsala Space Observatory. In total 25 sessions were observed…

Instrumentation and Methods for Astrophysics · Physics 2021-05-05 Eskil Varenius , Rüdiger Haas , Tobias Nilsson

In the context of Visual Question Answering (VQA) and Agentic AI, calibration refers to how closely an AI system's confidence in its answers reflects their actual correctness. This aspect becomes especially important when such systems…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Ayush Pandey , Jai Bardhan , Ishita Jain , Ramya S Hebbalaguppe , Rohan Raju Dhanakshirur , Lovekesh Vig

Wide-field surveys are a commonly-used method for studying thousands of objects simultaneously, to investigate, e.g., the joint evolution of star-forming galaxies and active galactic nuclei. VLBI observations can yield valuable input to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Enno Middelberg , Adam Deller , John Morgan , Helge Rottmann , Walter Alef , Steven Tingay , Ray Norris , Uwe Bach , Walter Brisken , Emil Lenc

In comparison to the radio and sub-millimetric domains, imaging with optical interferometry is still in its infancy. Due to the limited number of telescopes in existing arrays, image generation is a demanding process that relies on…

Instrumentation and Methods for Astrophysics · Physics 2017-06-28 Julien Woillez , Olivier Lai , Guy Perrin , François Reynaud , Marc Baril , Yue Doug , Pierre Fédou
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