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Diffuse optical imaging (DOI) offers valuable insights into scattering mediums, but the quest for high-resolution imaging often requires dense sampling strategies, leading to higher imaging errors and lengthy acquisition times. This work…

Optics · Physics 2025-04-07 Ben Wiesel , Shlomi Arnon

Cavity assisted quantum memory storage has been proposed [PRA 82, 022310 (2010), PRA 82, 022311 (2010)] for creating efficient (close to unity) quantum memories using weakly absorbing materials. Using this approach we experimentally…

Quantum Physics · Physics 2015-07-07 Mahmood Sabooni , Samuel Tornibue Kometa , Axel Thuresson , Stefan Kröll , Lars Rippe

A triple-GEM detector with two-dimensional readout is developed. The detector provides high position resolution for powder diffraction experiments at synchrotron radiation. Spatial resolution of the detector is measured in the lab using a…

Instrumentation and Detectors · Physics 2017-04-12 Y. L. Zhang , H. R. Qi , Z. W. Wen , H. Y. Wang , Q. Ouyang , Y. B. Chen , J. Zhang , B. T. Hu

Key properties of brain-inspired hyperdimensional (HD) computing make it a prime candidate for energy-efficient and fast learning in biosignal processing. The main challenge is however to formulate embedding methods that map biosignal…

Signal Processing · Electrical Eng. & Systems 2019-01-01 Michael Hersche , José del R. Millán , Luca Benini , Abbas Rahimi

The following is a technical report to test the validity of the proposed Subspace Pyramid Fusion Module (SPFM) to capture multi-scale feature representations, which is more useful for semantic segmentation. In this investigation, we have…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Mohammed A. M. Elhassan , Chenhui Yang , Chenxi Huang , Tewodros Legesse Munea

We present a mapping system capable of constructing detailed instance-level semantic models of room-sized indoor environments by means of an RGB-D camera. In this work, we integrate deep-learning-based instance segmentation and…

Robotics · Computer Science 2019-11-22 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

A method (Ember) for non-stationary spatial modelling with multiple secondary variables by combining Geostatistics with Random Forests is applied to a three-dimensional Reservoir Model. It extends the Random Forest method to an…

Computational Engineering, Finance, and Science · Computer Science 2020-11-12 Colin Daly

We describe a technique to create long-lived quantum memory for quantum bits in mesoscopic systems. Specifically we show that electronic spin coherence can be reversibly mapped onto the collective state of the surrounding nuclei. The…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. M. Taylor , C. M. Marcus , M. D. Lukin

Due to storage and bandwidth limitations, videos transmitted over the Internet often exhibit low quality, characterized by low-resolution and compression artifacts. Although video super-resolution (VSR) is an efficient video enhancing…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Hongyu An , Xinfeng Zhang , Shijie Zhao , Li Zhang , Ruiqin Xiong

Spatiotemporal mode-locking (STML) has become an emerging approach to realize organized wavepackets in high-dimensional nonlinear photonic systems. Mode-locking in one dimensional systems employs a saturable absorber to resist fluctuations…

Advances in neuroscience and artificial intelligence have enabled preliminary decoding of brain activity. However, despite the progress, the interpretability of neural representations remains limited. A significant challenge arises from the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Hasib Aslam , Muhammad Talal Faiz , Muhammad Imran Malik

In this paper, we introduce an uplifted reduced order modeling (UROM) approach through the integration of standard projection based methods with long short-term memory (LSTM) embedding. Our approach has three modeling layers or components.…

Fluid Dynamics · Physics 2020-04-22 Shady E. Ahmed , Omer San , Adil Rasheed , Traian Iliescu

In the context of firefighting and rescue operations, a cross-modal semantic segmentation model based on a single-chip millimeter-wave (mmWave) radar for indoor environmental perception is proposed and discussed. To efficiently obtain…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Hairuo Hu , Haiyong Cong , Zhuyu Shao , Yubo Bi , Jinghao Liu

Three-level Lambda systems provide a versatile platform for quantum optical phenomena such as Electromagnetically Induced Transparency (EIT), slow light, and quantum memory. Such Lambda systems have been realized in several quantum hardware…

Quantum Physics · Physics 2025-12-16 Ching-Yeh Chen , Shih-Wei Lin , Ching-Ping Lee , J. C. Chen , I. -C. Hoi , Yen-Hsiang Lin

Computational spectral imaging is drawing increasing attention owing to the snapshot advantage, and amplitude, phase, and wavelength encoding systems are three types of representative implementations. Fairly comparing and understanding the…

Image and Video Processing · Electrical Eng. & Systems 2023-12-22 Xinyuan Liu , Lizhi Wang , Lingen Li , Chang Chen , Xue Hu , Fenglong Song , Youliang Yan

Scanning transmission electron microscopy (STEM) has become the technique of choice for quantitative characterization of atomic structure of materials, where the minute displacements of atomic columns from high-symmetry positions can be…

Materials Science · Physics 2021-10-05 Kevin M. Roccapriore , Nicole Creange , Maxim Ziatdinov , Sergei V. Kalinin

Building an efficient quantum memory in high-dimensional Hilbert spaces is one of the fundamental requirements for establishing high-dimensional quantum repeaters, where it offers many advantages over two-dimensional quantum systems, such…

Quantum technologies offer a promising route to the efficient sampling and analysis of stochastic processes, with potential applications across the sciences. Such quantum advantages rely on the preparation of a quantum sample state of the…

Quantum Physics · Physics 2024-04-17 Chengran Yang , Marta Florido-Llin`as , Mile Gu , Thomas J. Elliott

Optical readout of GEM based devices by means of high granularity and low noise CMOS sensors allows to obtain very interesting tracking performance. Space resolution of the order of tens of $\mu$m were measured on the GEM plane along with…

We propose a new scheme for parallel spatially multimode quantum memory for light. The scheme is based on counter-propagating quantum signal wave and strong classical reference wave, like in a classical volume hologram, and therefore can be…

Quantum Physics · Physics 2012-03-02 Denis V. Vasilyev , Ivan V. Sokolov , Eugene S. Polzik