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Entanglement of remote atom lasers is obtained via quantum state transfer technique from lights to matter waves in a five-level $M$-type system. The considered atom-atom collisions can yield an effective Kerr susceptibility for this system…

Quantum Physics · Physics 2007-05-23 Xiong-Jun Liu , Hui Jing , Xin Liu , Ming-Sheng Zhan , Mo-Lin Ge

The possibility to store optical information is important for classical and quantum communication. Atoms or ions as well as color centers in crystals offer suitable two-level systems for absorbing incoming photons. To obtain a reliable…

Mesoscale and Nanoscale Physics · Physics 2014-01-16 L. Langer , S. V. Poltavtsev , I. A. Yugova , M. Salewski , D. R. Yakovlev , G. Karczewski , T. Wojtowicz , I. A. Akimov , M. Bayer

Circle detection over digital images has received considerable attention from the computer vision community over the last few years devoting a tremendous amount of research seeking for an optimal detector. This article presents an algorithm…

Computer Vision and Pattern Recognition · Computer Science 2014-05-22 Erik Cuevas , Fernando Wario , Daniel Zaldivar , Marco Perez

Multi-photon dressing and interference in atomic systems is a key to several cutting edge technologies like Rydberg atom radio frequency sensors, clocks and magnetometers because it enables the engineering of atomic properties. Rydberg atom…

Event camera sensors are bio-inspired sensors which asynchronously capture per-pixel brightness changes and output a stream of events encoding the polarity, location and time of these changes. These systems are witnessing rapid advancements…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Aupendu Kar , Vishnu Raj , Guan-Ming Su

Emotion recognition (ER) technology is an integral part for developing innovative applications such as drowsiness detection and health monitoring that plays a pivotal role in contemporary society. This study delves into ER using…

Human-Computer Interaction · Computer Science 2024-02-07 Haseeb ur Rahman Abbasi , Zeeshan Rashid , Muhammad Majid , Syed Muhammad Anwar

Estimating neural radiance fields (NeRFs) from "ideal" images has been extensively studied in the computer vision community. Most approaches assume optimal illumination and slow camera motion. These assumptions are often violated in robotic…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Simon Klenk , Lukas Koestler , Davide Scaramuzza , Daniel Cremers

Event cameras are bio-inspired sensors that capture intensity changes asynchronously with distinct advantages, such as high temporal resolution. Existing methods for event-based object/action recognition predominantly sample and convert…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Jiazhou Zhou , Kanghao Chen , Lei Zhang , Lin Wang

The atom-photon entanglement of dressed atom and its spontaneous emission in a Double-Lambda closed-loop atomic system is studied in multi-photon resonance condition. It is shown that, even in the absence of quantum interference due to the…

Atomic and Molecular Clusters · Physics 2015-02-03 Zeinab Kordi , Saeed Ghanbari , Mohammad Mahmoudi

Reaction-diffusion systems are used to represent many biological and physical phenomena. They model the random motion of particles (diffusion) and interactions between them (reactions). Such systems can be modelled at multiple scales with…

Quantitative Methods · Quantitative Biology 2018-06-08 Cameron A. Smith , Christian A. Yates

An iterative coupling algorithm based on restricted additive Schwarz domain decomposition is investigated to co-simulate electrical circuits with hybrid electromagnetic (EMT) and transient stability (TS) modeled using dynamic phasors. This…

Numerical Analysis · Mathematics 2022-12-13 Héléna Shourick , Damien Tromeur-Dervout , Laurent Chédot

The success of deep learning in computer vision has greatly increased the need for annotated image datasets. We propose an EEG (Electroencephalogram)-based image annotation system. While humans can recognize objects in 20-200 milliseconds,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-08 Viral Parekh , Ramanathan Subramanian , Dipanjan Roy , C. V. Jawahar

Event cameras deliver visual information characterized by a high dynamic range and high temporal resolution, offering significant advantages in estimating optical flow for complex lighting conditions and fast-moving objects. Current…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Gangwei Xu , Haotong Lin , Zhaoxing Zhang , Hongcheng Luo , Haiyang Sun , Xin Yang

Event cameras are dynamic vision sensors inspired by the biological retina, characterized by their high dynamic range, high temporal resolution, and low power consumption. These features make them capable of perceiving 3D environments even…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Hoonhee Cho , Jae-Young Kang , Kuk-Jin Yoon

Large scale quantum information processing requires stable and long-lived quantum memories. Here, using atom-photon entanglement, we propose an experimentally feasible scheme to realize decoherence-free quantum memory with atomic ensembles,…

Quantum Physics · Physics 2008-11-05 Feng Mei , Ya-Fei Yu , Zhi-Ming Zhang

Although automatic emotion recognition (AER) has recently drawn significant research interest, most current AER studies use manually segmented utterances, which are usually unavailable for dialogue systems. This paper proposes integrating…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-15 Wen Wu , Chao Zhang , Philip C. Woodland

Coherent Raman scattering provides highly sensitive vibrational analysis through nonlinear light-matter interactions. However, its application to metal interfaces has remained challenging because the intrinsically large non-resonant…

In one-dimensional optical setups, light-matter interaction is drastically enhanced by the interference between the incident and scattered fields. Particularly, in the impedance-matched \Lambda-type three-level systems, a single photon…

Quantum Physics · Physics 2015-06-16 Kazuki Koshino , Kunihiro Inomata , Tsuyoshi Yamamoto , Yasunobu Nakamura

In this research, an emotion recognition system is developed based on valence/arousal model using electroencephalography (EEG) signals. EEG signals are decomposed into the gamma, beta, alpha and theta frequency bands using discrete wavelet…

Machine Learning · Computer Science 2019-06-04 Omid Bazgir , Zeynab Mohammadi , Seyed Amir Hassan Habibi

This paper introduces a hybrid attention and autoencoder (AE) model for unsupervised online anomaly detection in time series. The autoencoder captures local structural patterns in short embeddings, while the attention model learns long-term…

Machine Learning · Computer Science 2024-01-09 Seyed Amirhossein Najafi , Mohammad Hassan Asemani , Peyman Setoodeh