Results 91 to 100 of about 92,344 (267)

Metachromatic Butterfly Bile Pigments for Multi‐Level Optical Security Films

Advanced Functional Materials, EarlyView.
Bio‐derived optical security materials are manufactured by embedding butterfly‐based pigments in polymer films. Tunable color and fluorescence responses arise from concentration‐controlled metachromasy, enabling spatially encoded patterns with distinct visible, UV‐active, and spectral signatures.
Limin Wang, Bodo D. Wilts
wiley   +1 more source

Sensitized Triplet Exciton Generation in Nanostructured Polymer Scintillators: Toward Improved γ/Neutron Discrimination

Advanced Functional Materials, EarlyView.
Rapid γ/neutron discrimination through PSD is achieved in liquid droplet containing nanostructured polymeric scintillator where a TTA‐active dye is dissolved. The inclusion of a properly selected and dosed sensitizer metalated porphyrin enhances discrimination sensitivity and speed by doubling the density of annihilating triplets and increasing the ...
Luca Pollice, Xueqian Hu, Letizia G. Tedoldi, Andrea Erroi, Davide Rigamonti, Marco Tardocchi, Davide Bortot, Andrea Pola, Christoph Weder, Angelo Monguzzi   +9 more
wiley   +1 more source

FINGERPRINTS PREPROCESSING USING WALSH FUNCTIONS

Journal of Information and Organizational Sciences, 2006
Minutiae classification and fingerprint classification in fingerprint evaluating process are very important. Fingerprint image contains about 150 minutiae’s.
Miroslav Bača, Kornelije Rabuzin
doaj  

The Application of MATLAB in Automatic Fingerprint Recognition System of Police

MATEC Web of Conferences, 2016
This paper studies on the automatic fingerprint recognition system, the former three fingerprints are extracted from the suspects, the fourth incomplete fingerprint is extracted in scene.
Li Hai Ping
doaj   +1 more source

In-sensor reservoir computing system for latent fingerprint recognition with deep ultraviolet photo-synapses and memristor array. [PDF]

Nat Commun, 2022
Zhang Z, Zhao X, Zhang X, Hou X, Ma X, Tang S, Zhang Y, Xu G, Liu Q, Long S.   +9 more
europepmc   +1 more source

Ridge-Based Fingerprint Recognition [PDF]

, 2005
A new fingerprint matching method is proposed in this paper, with which two fingerprint skeleton images are matched directly. In this method, an associate table is introduced to describe the relation of a ridge with its neighbor ridges, so the whole ridge pattern can be easily handed.
Xiaohui Xie, Fei Su, Anni Cai
openaire   +1 more source

Solution‐Processed Two‐Dimensional Indium Oxide on Sodium‐Embedded Alumina for Reconfigurable Optoelectronic Synaptic Transistors

Advanced Functional Materials, EarlyView.
Wafer‐scale two‐dimensioanl In2Se3 oxidized into InOx on sodium‐embedded beta‐alumina enables multifunctional reconfigurable electronics. Sodium ions accumulate within distinct spatial distribution under drain‐controlle and gate‐controlled operation. Drain‐control operation gives controllability of ultraviolet‐driven optoelectronic synaptic conductance
Jinhong Min, Yonghyun Albert Kwon, Hyunbin Kim, Jihyun Kim, Myeongjin Jung, Jaewon Heo, Gwang Ya Kim, Vlastimil Mazanek, Zdeněk Sofer, In Soo Kim, Jeong Ho Cho, Hyesung Park, Sang Min Won, Joohoon Kang   +13 more
wiley   +1 more source

Optoelectrical Devices for Neural Interfacing: Engineering Integration, Stability, and Multimodal Sensing

Advanced Healthcare Materials, EarlyView.
Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou, Barbara Spagnolo, Antonio Balena, Massimo De Vittorio, Ferruccio Pisanello   +4 more
wiley   +1 more source

Fingerprint Recognition Using Discrete Wavelet Transform And Neural Network For Estimation Rotation Region

Journal of Engineering and Sustainable Development, 2014
Fingerprint-based recognition is one of the most important biometric technologies which have drawn a substantial amount of attention recently. This paper proposed a fingerprint recognition adopting a multilayer back propagation neural network as ...
Ekbal H. Ali, Ekhlas H. Karam, Hanady A. Jaber   +2 more
doaj  

Laboratory access recognition based on MAML and radio frequency fingerprint

Discover Applied Sciences
Addressing the efficiency and accuracy issues of radio frequency fingerprint recognition in laboratory access control, this paper presents a recognition model based on model-agnostic meta-learning and radio frequency fingerprint.
Qun Zhu, Qingxin Lin
doaj   +1 more source