Results 51 to 60 of about 157,105 (298)

Contrastive Self-Supervised Learning-Based Wireless Fingerprint Localization

Complex System Modeling and Simulation
Recently, deep learning based fingerprint localization has attracted significant interest due to its simplicity in implementation and effectiveness in complex multipath environments, especially for the Internet of Things (IoT) devices in multiple-input ...
Qiao Li, Zhili Zhang, Zhaofa Zhou
doaj   +1 more source

LQM: Localized Quality Measure for Fingerprint Image Enhancement

IEEE Access, 2019
Fingerprint is one of the most widely used biometric in law enforcement. However, low-quality fingerprint images can drastically degrade the performance of automated fingerprint identification systems (AFIS).
Karen Panetta, Shreyas K. M Kamath, Srijith Rajeev, Sos S. Agaian   +3 more
doaj   +1 more source

Alternative processing technology for the preparation of carbonized Zingiberis Rhizoma by stir-frying with sand

Pharmaceutical Biology, 2020
Context Carbonized ginger, a type of charry herb, has been used as a hemostatic medicine since ancient times. However, there are some serious problems such as inhomogeneous heating and emitting smoke during processing with traditional stir-frying method.
Shen Mei-Yu, Wang Jia-Li, Shi Hai-Pei, Yan Hui, Chen Pei-Dong, Yao Wei-Feng, Bao Bei-Hua, Zhang Li   +7 more
doaj   +1 more source

Alpha-Glucosidase Inhibitory Effect of Psychotria malayana Jack Leaf: A Rapid Analysis Using Infrared Fingerprinting

Molecules, 2020
The plant Psychotria malayana Jack belongs to the Rubiaceae family and is known in Malaysia as “meroyan sakat/salung”. A rapid analytical technique to facilitate the evaluation of the P. malayana leaves’ quality has not been well-established yet.
Tanzina Sharmin Nipun, Alfi Khatib, Qamar Uddin Ahmed, Irna Elina Redzwan, Zalikha Ibrahim, Al’aina Yuhainis Firus Khan, Riesta Primaharinastiti, Shaden A. M. Khalifa, Hesham R. El-Seedi   +8 more
doaj   +1 more source

Infrared Nanocrystals for Space Application: Hardness to Irradiations

Advanced Functional Materials, EarlyView.
This article investigates infrared HgTe nanocrystals under X‐ray and ion irradiation, revealing remarkable radiation hardness. It uncovers distinct degradation mechanisms and shows that the nanomaterial outperforms integrated electronics. The results position colloidal nanocrystals as promising candidates for resilient space and harsh‐environment ...
Alexandre Neyret, Dario Mastrippolito, Bingbing Xia, Adrien Khalili, Maxime Lebreton, Giorgia Strobbia, Albin Colle, Marco Paye, Mariarosa Cavallo, Erwan Bossavit, Claire Abadie, Yoann Prado, Debora Pierucci, Victor Parahyba, Francois Coursaget, David Darson, Emrick Briand, Ian Vickridge, Stephane Demiguel, Sebastien Massenot, Jean‐Marc Belloir, Vincent Goiffon, Emmanuel Lhuillier   +22 more
wiley   +1 more source

Automatic Safe Security System Using Pin Code And Fingerprint Based On Microcontroller With Telegram Notification

Journal of Electrical Engineering and Computer
The primary purpose of a security system is to protect valuable and important items. A safe is a medium for storing valuables, adjusted to the size of the safe compartment.
Achmad Yahya Chanifudin, Shazana Dhiya Ayuni, Agus Hayatal Falah, Indah Sulistiyowati   +3 more
doaj   +1 more source

Indoor Positioning Based on Fingerprint-Image and Deep Learning

IEEE Access, 2018
Wi-Fi and magnetic field fingerprinting have been a hot topic in indoor positioning researches because of their ubiquity and location-related features.
Wenhua Shao, Haiyong Luo, Fang Zhao, Yan Ma, Zhongliang Zhao, Antonino Crivello   +5 more
doaj   +1 more source

Fingerprints as Indicators of Craftworkers’ Age and Sex in a Sample of Clay Ushabtis from TT 209, Luxor, Egypt [PDF]

, 2023
Esperanza Gutiérrez‐Redomero, Jesús Herrerín López, Miguel Ángel Molinero Polo   +2 more
openalex   +1 more source

Transition From Lattice Oxygen to Radical‐Mediated Oxidation in Ammonium‐Intercalated Birnessite Catalysts for Selective Valorization of Biomass to Produce Formic Acid

Advanced Functional Materials, EarlyView.
The catalytic valorization of biomass represents an essential approach for achieving sustainable chemical production, with formic acid (FA) being recognized as a valuable platform chemical for hydrogen storage and environmentally friendly synthetic applications.
Yiqi Geng, Wei Xiong, Wenhua Xue, Jian Ye, Puranjan Mishra, Rajenahally V. Jagadeesh, Jun Zhao   +6 more
wiley   +1 more source

Correlation between Quality and Geographical Origins of Poria cocos Revealed by Qualitative Fingerprint Profiling and Quantitative Determination of Triterpenoid Acids

Molecules, 2018
Poria cocos (Schw.) Wolf (PC) is a well-known saprophytic fungus, and its sclerotium without the epidermis (PCS) is widely used in traditional Chinese medicine and as a functional food in many countries.
Li-Xia Zhu, Jun Xu, Ru-Jing Wang, Hong-Xiang Li, Yu-Zhu Tan, Hu-Biao Chen, Xiao-Ping Dong, Zhong-Zhen Zhao   +7 more
doaj   +1 more source