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Related papers: EMCCD for Pyramid wavefront sensor: laboratory cha…

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Visual SLAM shows significant progress in recent years due to high attention from vision community but still, challenges remain for low-textured environments. Feature based visual SLAMs do not produce reliable camera and structure estimates…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Soumyadip Maity , Arindam Saha , Brojeshwar Bhowmick

To support the development of the data processing pipeline and the scientific performance assessment for the Cool Planet Imaging Coronagraph (CPI-C) on the Chinese Space Station Survey Telescope (CSST), we have developed the end-to-end…

Instrumentation and Methods for Astrophysics · Physics 2025-11-14 Gang Zhao , Yiming Zhu , Jiangpei Dou , Yili Chen , Zhonghua Lv , Bingli Niu , Zhaojun Yan , Bo Ma , Ran Li

Many aspects of the design trade-off of a space-based instrument and its performance can best be tackled through simulations of the expected observations. The complex interplay of various noise sources in the course of the observations make…

Instrumentation and Methods for Astrophysics · Physics 2014-07-02 P. Marcos-Arenal , W. Zima , J. De Ridder , C. Aerts , R. Huygen , R. Samadi , J. Green , G. Piotto , S. Salmon , C. Catala , H. Rauer

Leveraging multi-modal fusion, especially between camera and LiDAR, has become essential for building accurate and robust 3D object detection systems for autonomous vehicles. Until recently, point decorating approaches, in which point…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Philip Jacobson , Yiyang Zhou , Wei Zhan , Masayoshi Tomizuka , Ming C. Wu

After the completion of the catalogue built with ESO key program (REFLEX), we are beginning to explore the multiband optical characteristics of a subsample of those clusters selected in a statistically independent way. We have already…

We report on the development of new 3D pixel sensors for the Phase 2 Upgrades at the High-Luminosity LHC (HL-LHC). To cope with the requirements of increased pixel granularity (e.g., 50x50 or 25x100 um2 pixel size) and extreme radiation…

Instrumentation and Detectors · Physics 2016-12-05 Gian-Franco Dalla Betta , Maurizio Boscardin , Roberto Mendicino , Sabina Ronchin , DMS Sultan , Nicola Zorzi

Extremely Large Telescopes have overwhelmingly opted for the Pyramid wavefront sensor (PyWFS) over the more widely used Shack-Hartmann WaveFront Sensor (SHWFS) to perform their Single Conjugate Adaptive Optics (SCAO) mode. The PyWFS, a…

Instrumentation and Methods for Astrophysics · Physics 2020-11-25 Vincent Chambouleyron , Olivier Fauvarque , Pierre Janin-Potiron , Carlos Correia , Jean-François Sauvage , Noah Schwartz , Benoît Neichel , Thierry Fusco

We report on the absolute calibration of a CCD camera by exploiting quantum correlation. This novel method exploits a certain number of spatial pairwise quantum correlated modes produced by spontaneous parametric-down-conversion. We develop…

Quantum Physics · Physics 2014-10-14 I. Ruo-Berchera , A. Meda , I. P. Degiovanni , G. Brida , M. L. Rastello , M. Genovese

This paper explores the use of an entropy-based technique for point cloud reconstruction with the goal of calibrating a lidar to a sensor capable of providing egomotion information. We extend recent work in this area to the problem of…

Robotics · Computer Science 2018-07-17 Jacob Lambert , Lee Clement , Matthew Giamou , Jonathan Kelly

Semantic Scene Completion (SSC) is pivotal in autonomous driving perception, frequently confronted with the complexities of weather and illumination changes. The long-term strategy involves fusing multi-modal information to bolster the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Yukai Ma , Jianbiao Mei , Xuemeng Yang , Licheng Wen , Weihua Xu , Jiangning Zhang , Botian Shi , Yong Liu , Xingxing Zuo

Herein, we describe the design, implementation and operation principles of an astronomical camera system, based on a large-format CCD261-84 detector with an extremely thick 200 mkm substrate. The DINACON-V controller was used with the CCD…

Instrumentation and Methods for Astrophysics · Physics 2023-07-07 Irina Afanasieva , Valery Murzin , Valery Ardilanov , Nikolai Ivaschenko , Maksim Pritychenko , Alexei Moiseev , Elena Shablovinskaya , Eugene Malygin

The segmented pupil experiment for exoplanet detection (SPEED) facility aims to improve knowledge and insight into various areas required for gearing up high-contrast imaging instruments adapted to the unprecedented high angular resolution…

Instrumentation and Methods for Astrophysics · Physics 2021-03-19 K. Barjot , P. Martinez , M. Beaulieu , C. Gouvret , A. Marcotto , O. Guyon , M. Belhadi , A. Caillat , T. Behaghel , J. M. Le Duigou , K. Dohlen , A. Vigan

3D LiDAR-based single object tracking (SOT) has gained increasing attention as it plays a crucial role in 3D applications such as autonomous driving. The central problem is how to learn a target-aware representation from the sparse and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Mengmeng Wang , Teli Ma , Xingxing Zuo , Jiajun Lv , Yong Liu

Clio is an adaptive-optics camera mounted on the 6.5 meter MMT optimized for diffraction-limited L' and M-band imaging over a ~15'' field. The instrument was designed from the ground up with a large well-depth, fast readout thermal infrared…

Astrophysics · Physics 2009-11-11 S. Sivanandam , P. M. Hinz , A. N. Heinze , M. Freed , A. H. Breuninger

Adding more cameras to SLAM systems improves robustness and accuracy but complicates the design of the visual front-end significantly. Thus, most systems in the literature are tailored for specific camera configurations. In this work, we…

Robotics · Computer Science 2021-01-01 Juichung Kuo , Manasi Muglikar , Zichao Zhang , Davide Scaramuzza

Critical research about camera-and-LiDAR-based semantic object segmentation for autonomous driving significantly benefited from the recent development of deep learning. Specifically, the vision transformer is the novel ground-breaker that…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Junyi Gu , Mauro Bellone , Tomáš Pivoňka , Raivo Sell

We propose a many-core CPU architecture for Extremely Large Telescope (ELT) scale adaptive optics (AO) real-time control (RTC) for the multi-conjugate AO (MCAO) and laser-tomographic AO (LTAO) modes. MCAO and LTAO differ from the more…

Instrumentation and Methods for Astrophysics · Physics 2019-03-06 David R. Jenkins , Alastair G. Basden , Richard M. Myers

PALM-3000 (P3K), the second generation adaptive optics (AO) instrument for the 5.1 meter Hale telescope at Palomar Observatory, was released as a facility class instrument in October 2011 and has since been used on-sky for over 600 nights…

The next generation of Extremely Large Telescope (24 to 39m diameter) will suffer from the so-called "pupil fragmentation" problem. Due to their pupil shape complexity (segmentation, large spiders ...), some differential pistons may appear…

We present the photometric characterization of the four iXon Ultra 888 CCD cameras of the SPARC4 instrument, which will be installed on the 1.6 m telescope of the Pico dos Dias Observatory in Brazil. We applied experimental methodologies…

Instrumentation and Methods for Astrophysics · Physics 2019-08-20 D. V. Bernardes , E. Martioli , C. V. Rodrigues
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