Results 41 to 50 of about 663,875 (292)
C-IPS: A smartphone based indoor positioning system
, 2016 In this paper a low cost solution for implementing an indoor localization system is proposed. The Android app is based on a background service able to log data retrieved from the 9-Degree of Freedom IMU embedded in a smartphone and to compute the current
INDERST, FEDERICA +5 more
core +1 more source
Forward‐Biased Perovskite Photodiodes for In‐Sensor Optical Change Sensing
Advanced Functional Materials, EarlyView.A forward‐biased perovskite photodiode is introduced as an in‐sensor analog preprocessing unit that uses current balancing between photocurrent and injection current to generate optical changes relative to programmable optical reference levels. The device directly converts reference‐relative optical changes into bipolar current signals, enabling sensor‐
Eungseon Yeon +14 more
wiley +1 more source
A Novel Three-Dimensional Algorithm Based on Practical Indoor Visible Light Positioning
IEEE Photonics Journal, 2019 With the increased demand of multiple information, positioning technology raises lots of attention in many fields, including military, emergency assistance, and tracking for vehicles.
H.-X. Zhao, J.-T. Wang
doaj +1 more source
Advanced Functional Materials, EarlyView.A triplet‐blocking layer controls triplet exciton dynamics in blue upconversion OLEDs. The layer keeps charge transfer (CT)‐generated triplet excitons inside the triplet‐triplet annihilation (TTA) host, suppresses anode‐side interfacial quenching, and increases the steady‐state triplet population.
Qing‐Jun Shui +5 more
wiley +1 more source
Bluetooth-based Indoor Positioning through ToF and RSSI Data Fusion
, 2018 After several decades of both market and scientific interest, indoor positioning is still a hot and not completely solved topic, fostered by the advancement of technology, pervasive market penetration of mobile devices and novel communication standards ...
Elisabetta Farella +3 more
core +2 more sources
A High-Accuracy Indoor-Positioning Method with Automated RGB-D Image Database Construction
Remote Sensing, 2019 High-accuracy indoor positioning is a prerequisite to satisfy the increasing demands of position-based services in complex indoor scenes. Current indoor visual-positioning methods mainly include image retrieval-based methods, visual landmarks-based ...
Runzhi Wang +4 more
doaj +1 more source
Advanced Healthcare Materials, EarlyView.NeuroVisio SyncPatch integrates skin‐conformal electromyography (EMG) electrodes with camera‐tracked markers to jointly assess muscle activity and three‐dimensional knee kinematics during rehabilitation. Parallel feedback pathways provide real‐time kinematic guidance during movement and post‐trial neuromuscular feedback.
Bohyung Choi +11 more
wiley +1 more source
Low-Cost Indoor Positioning Application Based on Map Assistance and Mobile Phone Sensors
Sensors, 2018 Current mainstream navigation and positioning equipment, intended for providing accurate positioning signals, comprise global navigation satellite systems, maps, and geospatial databases.
Yi-Shan Li, Fang-Shii Ning
doaj +1 more source
Tag Positioning Method Based on RFID Coverage and Scanning [PDF]
Jisuanji gongcheng, 2017 In order to improve the precision of Received Signal Strength Indication(RSSI) indoor positioning,this paper puts forward an indoor RSSI positioning method based on reference tag and rotating Radio Frequency Identification(RFID) reader.In this method,tag
LI Qiang,WANG Mei,LIU Zhenghong
doaj +1 more source
Diketopyrrolopyrrole‐Based Cation as a Semiconducting Spacer in Layered Perovskite
Advanced Materials, EarlyView.Diketopyrrolopyrrole cation incorporated layered perovskites exhibiting extended absorption profiles and enhanced charge carrier mobility with type‐II energy alignment. The improved photoconversion efficiency demonstrates the critical role of incorporating organic semiconductors in optimizing layered perovskite performance.
Waygen Thor +8 more
wiley +1 more source