English
Related papers

Related papers: The VIRMOS mask manufacturing tools: a) mask prepa…

200 papers

Within the framework of the German Astrophysical Virtual Observatory (GAVO), we provide synthetic spectra, simulation software for the calculation of NLTE model atmospheres, as well as necessary atomic data. This will enable a VO user to…

Astrophysics · Physics 2007-06-18 Thomas Rauch

Diffraction-limited images can be obtained with a large optical telescope using interferometry. One such method for objects of sufficient brightness is non-redundant masking (NRM), in which observations are made through a pupil mask that…

Astrophysics · Physics 2009-10-31 Timothy R. Bedding

Large annotated datasets are essential for training robust Computer-Aided Diagnosis (CAD) models for breast cancer detection or risk prediction. However, acquiring such datasets with fine-detailed annotation is both costly and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Shunjie-Fabian Zheng , Hyeonjun Lee , Thijs Kooi , Ali Diba

We design the imaging data calibration and reduction software for MICADO, the First Light near-IR instrument on the Extremely Large Telescope. In this process we have hit the limit of what can be achieved with a detailed software design…

Instrumentation and Methods for Astrophysics · Physics 2020-11-10 Hugo Buddelmeijer , Gijs A. Verdoes Kleijn , Kieran Leschinski

Vision-Language Models (VLMs) have emerged as general purpose tools for addressing a variety of complex computer vision problems. Such models have been shown to be highly capable, but, at the same time, also lacking some basic visual…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Shivam Chandhok , Wan-Cyuan Fan , Leonid Sigal

SpectraPlot is a web-based application for simulating spectra of atomic and molecular gases. At the time this manuscript was written, SpectraPlot consisted of four primary tools for calculating: 1) atomic and molecular absorption spectra,…

Masked Image Modeling (MIM) is a technique in self-supervised learning that focuses on acquiring detailed visual representations from unlabeled images by estimating the missing pixels in randomly masked sections. It has proven to be a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Khanh-Binh Nguyen , Chae Jung Park

We present basic informations about package SPHOTOM for an automatic multicolour photometry. This package is in development for a creation of photometric pipe-line, which we plan to use in near future with our new instruments. It could…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 S. Parimucha , M. Vanko , P. Miklos

The ESO Very Large Telescope Interferometer (VLTI) is one of the leading interferometric facilities. It is equipped with several 8.2 and 1.8m telescopes, a large number of baselines up to 200m, and with several subsystems designed to enable…

Astrophysics · Physics 2009-11-10 A. Richichi , I. Percheron

Multi-object or integral field spectrographs are recognized techniques for achieving simultaneous spectroscopic observations of different or extended sky objects with a high multiplex factor. In this communication is described a…

Instrumentation and Detectors · Physics 2016-12-14 Francois Henault , Florence Laurent

The current popular methods for video object segmentation (VOS) implement feature matching through several hand-crafted modules that separately perform feature extraction and matching. However, the above hand-crafted designs empirically…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Qiangqiang Wu , Tianyu Yang , Wei WU , Antoni Chan

The contemporary astronomy is flooded with an exponentially growing petabyte-scaled data volumes produced by powerful ground and space-based instrumentation as well as a product of extensive computer simulations and computations of complex…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 Petr Škoda

We propose a new multi-object spectrograph for the VLT. MAXIMUS (MAXimum MUltiplex Spectrograph) will fully exploit the multiplexing capabilities of the OzPoz fibre positioner in order to extend and complement FLAMES and VIMOS in covering…

Astrophysics · Physics 2009-11-07 Matthew Colless , Keith Taylor

One of the main barriers preventing widespread use of formal methods is the elicitation of formal specifications. Formal specifications facilitate the testing and verification process for safety critical robotic systems. However, handling…

Software Engineering · Computer Science 2016-11-15 Bardh Hoxha , Nikolaos Mavridis , Georgios Fainekos

Vision Transformers (ViTs) have shown remarkable performance and scalability across various computer vision tasks. To apply single-scale ViTs to image segmentation, existing methods adopt a convolutional adapter to generate multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Tommie Kerssies , Niccolò Cavagnero , Alexander Hermans , Narges Norouzi , Giuseppe Averta , Bastian Leibe , Gijs Dubbelman , Daan de Geus

Video object segmentation (VOS) is a highly challenging problem since the initial mask, defining the target object, is only given at test-time. The main difficulty is to effectively handle appearance changes and similar background objects,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Andreas Robinson , Felix Järemo Lawin , Martin Danelljan , Fahad Shahbaz Khan , Michael Felsberg

Grisms are dispersive transmission optics that find their most frequent use in instruments that combine imaging and spectroscopy. This application is particularly popular in the infrared where imagers frequently have a cold pupil in their…

Instrumentation and Methods for Astrophysics · Physics 2017-05-24 Casey Deen , Michael Gully-Santiago , Weisong Wang , Jasmina Pozderac , Douglas Mar , Daniel Jaffe

Large language models (LLMs) have been touted to enable increased productivity in many areas of today's work life. Scientific research as an area of work is no exception: the potential of LLM-based tools to assist in the daily work of…

Software Engineering · Computer Science 2024-04-24 Mohamed Nejjar , Luca Zacharias , Fabian Stiehle , Ingo Weber

The Gemini Multiobject Spectrograph (GMOS) installed on the Gemini-North telescope has a facility for integral field spectroscopy over the wavelength range 0.4-1.0um. GMOS is converted to this mode by the remote insertion of an integral…

Integral-field spectroscopy is the most effective method of exploiting the superb image quality of the ESO-VLT, allowing complex astrophysical processes to be probed on the angular scales currently accessible only for imaging data, but with…