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相关论文: Geometric Constellation Shaping for Phase-noise Ch…

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Probabilistic constellation shaping has been used in long-haul optically amplified coherent systems for its capability to approach the Shannon limit and realize fine rate granularity. The availability of high-bandwidth optical-electronic…

信号处理 · 电气工程与系统科学 2023-03-31 Md Sabbir-Bin Hossain , Georg Bocherer , Talha Rahman , Tom Wettlin , Nebojsa Stojanovic , Stefano Calabro , Stephan Pachnicke

State-of-the-art lidar panoptic segmentation (LPS) methods follow bottom-up segmentation-centric fashion wherein they build upon semantic segmentation networks by utilizing clustering to obtain object instances. In this paper, we re-think…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Abhinav Agarwalla , Xuhua Huang , Jason Ziglar , Francesco Ferroni , Laura Leal-Taixé , James Hays , Aljoša Ošep , Deva Ramanan

Detecting stellar clusters have always been an important research problem in Astronomy. Although images do not convey very detailed information in detecting stellar density enhancements, we attempt to understand if new machine learning…

机器学习 · 计算机科学 2021-09-28 Arnab Karmakar , Deepak Mishra , Anandmayee Tej

We present Bayesian Binary Search (BBS), a novel probabilistic variant of the classical binary search/bisection algorithm. BBS leverages machine learning/statistical techniques to estimate the probability density of the search space and…

机器学习 · 计算机科学 2024-10-03 Vikash Singh , Matthew Khanzadeh , Vincent Davis , Harrison Rush , Emanuele Rossi , Jesse Shrader , Pietro Lio

Diffractive lenses fabricated by lithographic methods are one of the most popular image forming optics in the x-ray regime. Most commonly, binary diffractive optics, such as Fresnel zone plates are used due to their ability to focus at high…

光学 · 物理学 2019-06-10 Stefano Marchesini , Anne Sakdinawat

We propose spatial polarization multiplexing (SPM) for joint sensing of shape and reflectance of a static or dynamic deformable object, which is also invisible to the naked eye. Past structured-light methods are limited to shape acquisition…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Tomoki Ichikawa , Ryo Kawahara , Ko Nishino

Orbital solutions for binary or multiple stellar systems that combine astrometry (e.g., position angles and angular separations) with spectroscopy (radial velocities) have important advantages over astrometric-only or spectroscopic-only…

天体物理学 · 物理学 2007-05-23 Guillermo Torres

We cast shape matching as metric learning with convolutional networks. We break the end-to-end process of image representation into two parts. Firstly, well established efficient methods are chosen to turn the images into edge maps.…

计算机视觉与模式识别 · 计算机科学 2018-07-27 Filip Radenović , Giorgos Tolias , Ondřej Chum

Gravitational wave signals from coalescing compact binaries in the LIGO and Virgo interferometers are primarily detected by the template based matched filtering method. While this method is optimal for stationary and Gaussian data…

广义相对论与量子宇宙学 · 物理学 2024-09-16 Chayan Chatterjee , Karan Jani

The transverse field profile of light is being recognized as a resource for classical and quantum communications for which reliable methods of sorting or demultiplexing spatial optical modes are required. Here, we demonstrate,…

图像与视频处理 · 电气工程与系统科学 2019-09-04 Amit Bekerman , Sahar Froim , Barak Hadad , Alon Bahabad

We propose a new way to generate an observable geometric phase by means of a completely incoherent phenomenon. We show how to imprint a geometric phase to a system by "adiabatically" manipulating the environment with which it interacts. As…

Detecting Pancharatnam-Berry geometric phases of light typically requires interferometry or diffraction through a specially truncated aperture. Here, we introduce a simpler method that allows direct and fully visual detection of geometric…

光学 · 物理学 2025-11-18 Haiyang Li , Yijie Shen

Light scattering within scattering media presents a substantial obstacle to optical transmission. A speckle pattern with random amplitude and phase distribution is observed when coherent light travels through strong scattering media.…

光学 · 物理学 2022-09-01 Hui Liu , Xiangyu Zhu , Xiaoxue Zhang , Xudong Chen , Zhili Lin

We propose a method of entangling two spinor Bose-Einstein condensates using a geometric phase gate. The scheme relies upon only the ac Stark shift and a common controllable optical mode coupled to the spins. Our scheme allows for the…

量子物理 · 物理学 2014-05-13 Mahmood Irtiza Hussain , Ebubechukwu O. Ilo-Okeke , Tim Byrnes

The large scale reflector array of programmable metasurfaces is capable of increasing the power efficiency of backscatter communications via passive beamforming and thus has the potential to revolutionize the low-data-rate nature of…

信号处理 · 电气工程与系统科学 2023-03-31 Wei Wang , Bincheng Zhu , Yongming Huang , Wei Zhang

Phase segregation, the process by which the components of a binary mixture spontaneously separate, is a key process in the evolution and design of many chemical, mechanical, and biological systems. In this work, we present a data-driven…

机器学习 · 计算机科学 2018-03-28 Amir Barati Farimani , Joseph Gomes , Rishi Sharma , Franklin L. Lee , Vijay S. Pande

The problem of phase-noise compensation for correlated phase noise in coded multichannel optical transmission is investigated. To that end, a simple multichannel phase-noise model is considered and the maximum a posteriori detector for this…

信息论 · 计算机科学 2019-10-15 Arni F. Alfredsson , Erik Agrell , Henk Wymeersch

Bilinear inverse problems (BIPs), the resolution of two vectors given their image under a bilinear mapping, arise in many applications. Without further constraints, BIPs are usually ill-posed. In practice, properties of natural signals are…

信息论 · 计算机科学 2015-01-27 Yanjun Li , Kiryung Lee , Yoram Bresler

Phase-sensitive optical parametric amplification of squeezed states helps to overcome detection loss and noise and thus increase the robustness of sub-shot-noise sensing. Because such techniques, e.g., imaging and spectroscopy, operate with…

量子物理 · 物理学 2021-05-10 Gaetano Frascella , Roman V. Zakharov , Olga V. Tikhonova , Maria V. Chekhova

We focus on the automated classification of eclipsing binary stars using deep learning methods to handle the vast data generated by large-scale photometric sky surveys. These surveys produce extensive datasets that are impractical for…

太阳与恒星天体物理 · 物理学 2026-03-27 Bedri Keskin , Özgür Baştürk