Results 71 to 80 of about 126,459 (254)
CAAI Transactions on Intelligence Technology, EarlyView., 2023 Abstract The Internet of Things is emerging as a crucial technology in aiding humans and making their lives easier. Among the human population, a large percentage of people suffer from disabilities resulting in challenges in everyday life particularly people with visual disabilities.
Hania Tarik +8 more
wiley +1 more source
Design and Implementation of the MIMO–COOK Scheme Using an Image Sensor for Long-Range Communication
Sensors, 2020 Radio-frequency technologies are widely applied in many fields such as mobile systems, healthcare systems, television and radio broadcasting, and satellite communications. However, one major problem in wireless communication based on radio frequencies is
Van Hoa Nguyen +3 more
doaj +1 more source
International Journal of Extreme Manufacturing, 2023 Complex-shaped optical lenses are of great interest in the areas of laser processing, machine vision, and optical communications. Traditionally, the processing of complex optical lenses is usually achieved by precision machining combined with post ...
Shuai Peng +6 more
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Experimental Design for the LATOR Mission
, 2004 This paper discusses experimental design for the Laser Astrometric Test Of Relativity (LATOR) mission. LATOR is designed to reach unprecedented accuracy of 1 part in 10^8 in measuring the curvature of the solar gravitational field as given by the value ...
Anderson J. D. +6 more
core +1 more source
Ultra‐Durable Information‐Encoded Anti‐Counterfeiting Self‐Assembled Nanocrystal Labels
Advanced Optical Materials, EarlyView.Ultra‐durable cost‐effective information‐encoded anti‐counterfeiting labels are fabricated to secure semiconductor chips. A novel method is used to self‐assemble colloidal quantum wells (CQWs) into color bars. Information can be encoded spatially, spectrally, and opto‐spatially.
Taha Haddadifam +6 more
wiley +1 more source
Scientific Reports, 2023 Fresnel zone plates (FZPs) are widely used in integrated optical systems to meet new cutting-edge demands for photonic integration and device miniaturizing. However, their use in applications of cross-scale fabrication still faces several obstacles, such
Pravinraj Selvaraj +4 more
doaj +1 more source
Adaptive Quantum Optics with Spatially Entangled Photon Pairs
, 2018 Light shaping facilitates the preparation and detection of optical states and underlies many applications in communications, computing, and imaging. In this Letter, we generalize light shaping to the quantum domain.
Defienne, Hugo +2 more
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Advanced Optical Materials, EarlyView.Incorporating lanthanide‐based fluorophores into commercial resists for femtosecond direct laser writing enables a novel platform for multiplexed sensing. Porous, periodic, and solid luminescent microstructures fabricated directly on optical fiber tips are presented.
Valese Aslani +8 more
wiley +1 more source
Secure DFT-Ordered Luminance Method for Parallel Transmission Image-Sensor Based VLC
IEEE Photonics JournalA secure method is proposed for parallel-transmission (PT) image-sensor (IS) based visible light communication, where $M$ luminance signals in one-dimensional order produced by inverse discrete Fourier transform (IDFT) are mapped in a two-dimensional ...
Fumihito Anno +3 more
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Photography Trilateration Indoor Localization with Image Sensor Communication
Sensors, 2019 Localization has become an important aspect in a wide range of mobile services with the integration of the Internet of things and service on demand. Numerous mechanisms have been proposed for localization, most of which are based on the estimation of ...
Nam Tuan Le, Yeong Min Jang
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