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We demonstrate the fabrication of millimeter-sized optical components using tomographic volumetric additive manufacturing (VAM). By purposely blurring the writing beams through the use of a large etendue source, the layer-like artifacts…

Most modern optical display and sensing devices utilize a limited number of spectral units within the visible range, based on human color perception. In contrast, the rapid advancement of machine-based pattern recognition and spectral…

Contemporary Video Object Segmentation (VOS) approaches typically consist stages of feature extraction, matching, memory management, and multiple objects aggregation. Recent advanced models either employ a discrete modeling for these…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Wanyun Li , Pinxue Guo , Xinyu Zhou , Lingyi Hong , Yangji He , Xiangyu Zheng , Wei Zhang , Wenqiang Zhang

We describe the development of automated emission line detection software for the Fiber Multi-Object Spectrograph (FMOS), which is a near-infrared spectrograph fed by $400$ fibers from the $0.2$ deg$^2$ prime focus field of view of the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Motonari Tonegawa , Tomonori Totani , Fumihide Iwamuro , Masayuki Akiyama , Gavin Dalton , Karl Glazebrook , Kouji Ohta , Hiroyuki Okada , Kiyoto Yabe

Today's operations in the spectrum occur across many disparate and unique devices. For example, a military or commercial maritime platform can have dozens of apertures used for various functions. Utilizing software-defined radios and…

Signal Processing · Electrical Eng. & Systems 2022-02-16 Steven Jones , David Coleman , Robert Nichols

VORO++ is a software library written in C++ for computing the Voronoi tessellation, a technique in computational geometry that is widely used for analyzing systems of particles. VORO++ was released in 2009 and is based on computing the…

Computational Physics · Physics 2023-08-09 Jiayin Lu , Emanuel A. Lazar , Chris H. Rycroft

Due to the instrument's non-trivial resolution function, measurements on triple-axis spectrometers require extra care from the experimenter in order to obtain optimal results and to avoid unwanted spurious artefacts. We present a free and…

Instrumentation and Detectors · Physics 2021-02-17 T. Weber , R. Georgii , P. Böni

Automated radiology report summarization aims to distill verbose findings into concise clinical impressions, but existing multimodal models often struggle with visual noise and fail to meaningfully improve over strong text-only baselines in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Mst. Fahmida Sultana Naznin , Adnan Ibney Faruq , Mushfiqur Rahman , Niloy Kumar Mondal , Md. Mehedi Hasan Shawon , Md Rakibul Hasan

MLOps tools enable continuous development of machine learning, following the DevOps process. Different MLOps tools have been presented on the market, however, such a number of tools often create confusion on the most appropriate tool to be…

Software Engineering · Computer Science 2023-04-07 Sergio Moreschi , Gilberto Recupito , Valentina Lenarduzzi , Fabio Palomba , David Hastbacka , Davide Taibi

We design and characterize phase-modulated, ultra-compact, silicon-based axilens devices that combine efficient point focusing and grating selectivity within scalable 4-level phase mask configurations. The proposed designs are polarization…

Optics · Physics 2020-03-20 Wesley A. Britton , Yuyao Chen , Fabrizio Sgrignuoli , Luca Dal Negro

The Vector SpectroMagnetograph (VSM) instrument has recorded full-disk photospheric vector magnetograms weekly since August 2003 as part of the Synoptic Optical Long-term Investigations of the Sun (SOLIS) project. After the full deployment…

Astrophysics · Physics 2007-05-23 C. J. Henney , C. U. Keller , J. W. Harvey

Instruction following is crucial in contemporary LLM. However, when extended to multimodal setting, it often suffers from misalignment between specific textual instruction and targeted local region of an image. To achieve more accurate and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Jinliang Zheng , Jianxiong Li , Sijie Cheng , Yinan Zheng , Jiaming Li , Jihao Liu , Yu Liu , Jingjing Liu , Xianyuan Zhan

In this paper, we experimentally demonstrate a real-time software defined multiple input multiple output (MIMO) visible light communication (VLC) system employing link adaptation of spatial multiplexing and spatial diversity. Real-time MIMO…

Information Theory · Computer Science 2017-01-06 Peng Deng , Mohsen Kavehrad

The on-demand tailoring of light's spatial shape is of great relevance in a wide variety of research areas. Computer-controlled devices, such as Spatial Light Modulators (SLMs) or Digital Micromirror Devices (DMDs), offer a very accurate,…

Vision impairment affects millions globally, and early detection is critical to preventing irreversible vision loss. Ophthalmology workflows require clinicians to integrate medical images, structured clinical data, and free-text notes to…

Over the past 18 months we have revisited the science requirements for a multi-object spectrograph (MOS) for the European Extremely Large Telescope (E-ELT). These efforts span the full range of E-ELT science and include input from a broad…

Industrial diagrams such as piping and instrumentation diagrams (P&IDs) are essential for the design, operation, and maintenance of industrial plants. Converting these diagrams into digital form is an important step toward building digital…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Sanjukta Ghosh

This White Paper presents the scientific motivations for a multi-object spectrograph (MOS) on the European Extremely Large Telescope (E-ELT). The MOS case draws on all fields of contemporary astronomy, from extra-solar planets, to the study…

Large time series foundation models often adopt channel-independent architectures to handle varying data dimensions, but this design ignores crucial cross-channel dependencies. Concurrently, existing multimodal approaches have not fully…

BlueMUSE is an integral field spectrograph in an early development stage for the ESO VLT. For our design of the data reduction software for this instrument, we are first reviewing capabilities and issues of the pipeline of the existing MUSE…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Peter M. Weilbacher , Sven Martens , Martin Wendt , Martin M. Roth , Stefan Dreizler , Andreas Kelz , Roland Bacon , Johan Richard