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Related papers: First results from the UBC etch-alignment mosaic C…

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Traditional glass-based optics are typically optimized for narrow spectral bands, such as the visible (400-700nm) or shortwave infrared (1000-1800nm). While the emergence of VIS-SWIR sensors (400-1700nm) offers transformative potential,…

Image and Video Processing · Electrical Eng. & Systems 2026-05-04 Vishwanath Saragadam , Niki Nezakati , Amit Roy-Chowdhury , Vivek Boominathan

New multi-core imaging fibre bundles -- hexabundles -- being developed at the University of Sydney will provide simultaneous integral field spectroscopy for hundreds of celestial sources across a wide angular field. These are a natural…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 J. J. Bryant , J. W. O'Byrne , J. Bland-Hawthorn , S. G. Leon-Saval

Convergent-beam electron diffraction (CBED) is a well-established probe for spatial symmetries of crystalline samples, mainly exploiting the well-defined mapping between the diffraction groups (symmetry group of CBED patterns) and the…

Mesoscale and Nanoscale Physics · Physics 2025-11-18 O. Zaiets , C. Timm , J. Rusz , J. -Á. Castellanos-Reyes , S. Subakti , A. Lubk

We report a development of a multi-color simultaneous camera for the 188cm telescope at Okayama Astrophysical Observatory in Japan. The instrument, named MuSCAT, has a capability of 3-color simultaneous imaging in optical wavelength where…

Instrumentation and Methods for Astrophysics · Physics 2015-09-11 Norio Narita , Akihiko Fukui , Nobuhiko Kusakabe , Masahiro Onitsuka , Tsuguru Ryu , Kenshi Yanagisawa , Hideyuki Izumiura , Motohide Tamura , Tomoyasu Yamamuro

The poor contrast and the overlapping of cervical cell cytoplasm are the major issues in the accurate segmentation of cervical cell cytoplasm. This paper presents an automated unsupervised cytoplasm segmentation approach which can…

Computer Vision and Pattern Recognition · Computer Science 2018-07-16 Pranav Kumar , S L Happy , Swarnadip Chatterjee , Debdoot Sheet , Aurobinda Routray

Significance: Confocal laser scanning enables optical sectioning in fiber bundle endomicroscopy but limits the frame rate. To be able to better explore tissue morphology it is useful to stitch sequentially acquired frames into a mosaic.…

Optics · Physics 2021-07-14 Andrew D. Thrapp , Michael R. Hughes

Multi-Conjugate Adaptive Optics (MCAO) combines the advantages of standard adaptive optics, which provides high contrast and high spatial resolution, and of wide field ~1' imaging. Up to recently, MCAO for astronomy was limited to…

Astrophysics · Physics 2009-11-13 H. Bouy , J. Kolb , E. Marchetti , E. L. Martin , N. Huelamo , D. Barrado y Navascues

A multispectral image camera captures image data within specific wavelength ranges in narrow wavelength bands across the electromagnetic spectrum. Images from a multispectral camera can extract additional information that the human eye or a…

Fourier ptychographi cmicroscopy(FPM) is a newly developed computational imaging technique that can provide gigapixel images with both high resolution (HR) and wide field of view (FOV). However, the positional misalignment of the LED array…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Ao Zhou , Wei Wang , Ni Chen , Edmund Y. Lam , Byoungho Lee , Guohai Situ

Two new algorithms are described for matching two dimensional coordinate lists of point sources that are signifcantly faster than previous methods. By matching rarely occurring triangles (or more complex shapes) in the two lists, and by…

Astrophysics · Physics 2009-11-13 V. Tabur

Integrating conventional optics into compact nanostructured surfaces is the goal of flat optics. Despite the enormous progress of this technology, there are still critical challenges for real world applications due to a limited efficiency…

Concept of a multichannel electron spin detector based on optical imaging principles and Mott scattering (iMott) is presented. A multichannel electron image produced by standard angle-resolving (photo) electron analyzer or microscope is…

Instrumentation and Detectors · Physics 2015-04-03 Vladimir N. Strocov , Vladimir N. Petrov , J. Hugo Dil

The sky-averaged redshifted 21-cm signal from Cosmic Dawn is expected to provide a unique view of the first compact objects. However, its measurement remains daunting. Difficulties are driven by the large dynamic contrast between the…

The Microstrip Silicon Detector (MSD) is one of the subsystems of the FragmentatiOn Of Target (FOOT) experiment whose goal is to measure double differential nuclear fragmentation cross sections for applications in particle therapy and…

Instrumentation and Detectors · Physics 2026-03-23 S. Mazzolani , I. Mattei , L. Servoli

Omnidirectional depth estimation presents a significant challenge due to the inherent distortions in panoramic images. Despite notable advancements, the impact of projection methods remains underexplored. We introduce Multi-Cylindrical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Feng Qiao , Zhexiao Xiong , Xinge Zhu , Yuexin Ma , Qiumeng He , Nathan Jacobs

An EMCCD camera, designed from the ground up for extreme faint flux imaging, is presented. CCCP, the CCD Controller for Counting Photons, has been integrated with a CCD97 EMCCD from e2v technologies into a scientific camera at the…

Instrumentation and Methods for Astrophysics · Physics 2016-03-23 Olivier Daigle , Claude Carignan , Jean-Luc Gach , Christian Guillaume , Simon Lessard , Charles-Anthony Fortin , Sébastien Blais-Ouellette

Construction of EUDET pixel telescope will significantly improve the test beam infrastructure for the ILC vertex detector studies. The telescope, based on the Monolithic Active Pixel Sensors (MAPS), will consist of up to six readout planes…

Instrumentation and Detectors · Physics 2007-05-23 A. F. Zarnecki , P. Niezurawski

A full-field chromatic confocal microscopy using a multispectral sensor was developed for quasi-one-shot microscopic 3D surface measurement. An innovative optical configuration employs a digital micromirror device (DMD) and a multispectral…

We established a design method for a Magic-T with a single-layer dielectric/metal structure suitable for both wideband and multi-element applications for millimeter and submillimeter wave imaging observations. The design method was applied…

Instrumentation and Methods for Astrophysics · Physics 2024-05-28 Shuhei Inoue , Kah Wuy Chin , Shinsuke Uno , Kotaro Kohno , Yuka Niwa , Toyo Naganuma , Ryosuke Yamamura , Kazuki Watanabe , Tatsuya Takekoshi , Tai Oshima

Measurement modalities in Bragg coherent diffraction imaging (BCDI) rely on finding signal from a single nanoscale crystal object, which satisfies the Bragg condition among a large number of arbitrarily oriented nanocrystals. However, even…