Results 81 to 90 of about 12,991 (264)

An Adaptive and Secure Holographic Image Watermarking Scheme

Entropy, 2019
A novel adaptive secure holographic image watermarking method in the sharp frequency localized contourlet transform (SFLCT) domain is presented. Based upon the sine logistic modulation map and the logistic map, we develop an encrypted binary computer ...
Chuying Yu, Xiaowei Li, Xinan Chen, Jianzhong Li   +3 more
doaj   +1 more source

Real‐Time In Vivo Cellular‐Level Imaging During Puncture

Advanced Science, EarlyView.
We present an artificial‐intelligence‐empowered integrative‐light‐field microendoscopy (AIM) needle that delivers real‐time in vivo, diffraction‐limited cellular‐level imaging during puncture and visualizes layered microstructures along the needle path. As a microscopic complement to CT/ultrasound, it improves sampling localization and adds preliminary
Huifang Gao, Jiakang Shao, Quanzhi Li, Yizhou Tan, Liangliang Huang, Xiaorong Xu, Ji Qi, Julin Xiao, Wenwen Li, Zhong Wen, Le Wang, Xu Liu, Qing Yang, Ying Gu   +13 more
wiley   +1 more source

Representation and matching of knowledge to design digital systems [PDF]

, 1988
A knowledge-based expert system is described that provides an approach to solve a problem requiring an expert with considerable domain expertise and facts about available digital hardware building blocks.
Jones, J. U., Shiva, S. G.
core   +1 more source

Osmotic Tension Asymmetry Drives Electrotactic Migration via PDLIM7‐Polarized Microfilament Coordination in Breast Cancer Cells

Advanced Science, EarlyView.
This study establishes an electric field‐induced directional migration model using fluorescence tension probes to visualize microfilament forces and intracellular osmotic pressure dynamics in the electrotactic migration of breast cancer cells. This model delineates how electromechanical interactions among membrane potential, ion channels, OP, traction ...
Ling Zhu, Zihui Zheng, Wang Li, Chenyi Shou, Ying Zhao, Lijun Zhang, Xiaoli Shi, Yunfeng Hu, Huanhuan Zhao, Huiwen Wu, Jun Guo   +10 more
wiley   +1 more source

Non-convex optimization for inverse problem solving in computer-generated holography

Light: Science & Applications
Computer-generated holography is a promising technique that modulates user-defined wavefronts with digital holograms. Computing appropriate holograms with faithful reconstructions is not only a problem closely related to the fundamental basis of ...
Xiaomeng Sui, Zehao He, Daping Chu, Liangcai Cao   +3 more
doaj   +1 more source

Multi‐Dimensional Acoustic Cascaded Holographic Encryption with Instantaneous Visual Decryption via Particle Manipulation

Advanced Science, EarlyView.
Acoustic holograms act as key tools for information encryption, yet current schemes limit encryption dimensionality/security and require time‐consuming decryption. A compact device integrates multi‐dimensional cascaded acoustic holography with particle manipulation, employs extra secret keys, enables rapid decryption, and is validated via 1D/2D/3D ...
Qin Lin, Feiyan Cai, Yunqing Liu, Zejiao Zhou, Jiayang Li, Rujun Zhang, Hongpeng Chen, Hairong Zheng, Huailing Zhang   +8 more
wiley   +1 more source

Modulating Phase Encoding With Amplitude Compensation for Hologram Reconstruction

IEEE Photonics Journal
In holographic three-dimensional (3D) display, phase-only spatial light modulators (SLMs) can only accept pure phase modulation signals, often leading to amplitude distortion in the reconstructed image and inaccurate object reconstruction.
Jinbin Gui, Xiandong Ma, Junchang Li, Qinghe Song   +3 more
doaj   +1 more source

Experimental estimation of the dimension of classical and quantum systems

, 2011
An overwhelming majority of experiments in classical and quantum physics make a priori assumptions about the dimension of the system under consideration.
A Acín, A Mair, AC Dada, Antonio Acín, B Lanyon, C-E Bardyn, D Mayers, D Pérez-García, G Molina-Terriza, G Molina-Terriza, G Molina-Terriza, H-W Li, J Briët, J-D Bancal, Juan P. Torres, K Pál, L Allen, M Junge, M Junge, M Pawlowski, Martin Hendrych, Michal Mičuda, MM Wolf, N Brunner, Nicolas Brunner, NK Langford, R Gallego, R Rabelo, Rodrigo Gallego, RW Spekkens, S Massar, S Wehner, T Vértesi, T Vértesi   +33 more
core   +1 more source

Multifunctional Programmable Transmissive Metasurface with Phase and Amplitude Manipulation Capability

Advanced Science, EarlyView.
This work provides a multifunctional programmable transmissive metasurface with phase and amplitude manipulation capability in the sub‐6G band. By applying different coding strategies, the proposed metasurface can realize vortex beam generation, holographic imaging under phase coding mode, and multi‐beam forming in phase‐amplitude joint coding mode ...
Hao Tian Shi, Rui Yuan Wu, Shi He, Xue Yun Guo, Xiao Qing Chen, Yi Ning Zheng, Bing Bing Zhu, Lei Zhang, Tie Jun Cui   +8 more
wiley   +1 more source

Biomimetic Membrane Interface Technologies for Detection and Isolation of CTCs and EVs: Advances and Opportunities in Liquid Biopsy

Advanced Science, EarlyView.
Biomimetic membrane interface engineering constructs functionalized detection platforms by integrating natural cell membranes, synthetic lipids, or hybrid membranes. This strategy effectively reduces background interference and enables efficient target capture and analysis, showing broad applications in circulating tumor cell separation, extracellular ...
Duo Liu, Jie Yu, Jingxue Li, Yixue Chen, Mengle Peng, Yifan Xu, Yongjun Wu, Lihua Ding, Sitian He   +8 more
wiley   +1 more source