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Preethi Padmanabhan
Preethi Padmanabhan
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A 256× 256 45/65nm 3D-stacked SPAD-based direct TOF image sensor for LiDAR applications with optical polar modulation for up to 18.6 dB interference suppression
AR Ximenes, P Padmanabhan, MJ Lee, Y Yamashita, DN Yaung, ...
Solid-State Circuits Conference-(ISSCC), 2018 IEEE International, 96-98, 2018
1082018
High-Performance Back-Illuminated Three-Dimensional Stacked Single-Photon Avalanche Diode Implemented in 45-nm CMOS Technology
MJ Lee, AR Ximenes, P Padmanabhan, TJ Wang, KC Huang, ...
IEEE Journal of Selected Topics in Quantum Electronics 24 (6), 1-9, 2018
862018
A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology
AR Ximenes, P Padmanabhan, MJ Lee, Y Yamashita, DN Yaung, ...
IEEE Journal of Solid-State Circuits 54 (11), 3203-3214, 2019
792019
Modeling and analysis of a direct time-of-flight sensor architecture for LiDAR applications
P Padmanabhan, C Zhang, E Charbon
Sensors 19 (24), 5464, 2019
732019
Single photon counting UV solar-blind detectors using silicon and III-nitride materials
S Nikzad, M Hoenk, AD Jewell, JJ Hennessy, AG Carver, TJ Jones, ...
Sensors 16 (6), 927, 2016
542016
7.4 A 256× 128 3D-Stacked (45nm) SPAD FLASH LiDAR with 7-Level Coincidence Detection and Progressive Gating for 100m Range and 10klux Background Light
P Padmanabhan, C Zhang, M Cazzaniga, B Efe, AR Ximenes, MJ Lee, ...
2021 IEEE International Solid-State Circuits Conference (ISSCC) 64, 111-113, 2021
522021
A back-illuminated 3D-stacked single-photon avalanche diode in 45nm CMOS technology
MJ Lee, AR Ximenes, P Padmanabhan, TJ Wang, KC Huang, ...
Electron Devices Meeting (IEDM), 2017 IEEE International, 16.6. 1-16.6. 4, 2017
302017
Mutually coupled time-to-digital converters (TDCs) for direct time-of-flight (dTOF) image sensors
A Ronchini Ximenes, P Padmanabhan, E Charbon
Sensors 18 (10), 3413, 2018
212018
Secured Authentication through Integration of Gait and Footprint for Human Identification
C Murukesh, K Thanushkodi, P Padmanabhan
Journal of Electrical Engineering & Technology 9 (6), 2118-2125, 2014
152014
Drowsiness Detection for Drivers Using Computer Vision
C Murukesh, P Padmanabhan
WSEAS Transactions on Information Science and Applications 12, 43-50, 2015
112015
A Hybrid Readout Solution for GaN-Based Detectors Using CMOS Technology
P Padmanabhan, B Hancock, S Nikzad, LD Bell, K Kroep, E Charbon
Sensors 18 (2), 449, 2018
82018
Mutually Coupled Ring Oscillators for Large Array Time-of-Flight Imagers
AR Ximenes, P Padmanabhan, E Charbon
7*
Multimodal Biometric Authentication System Based on Score-Level Fusion of Palmprint and Finger Vein
C Murukesh, K Thanushkodi, P Preethi, FN Mohamed
Artificial Intelligence and Evolutionary Algorithms in Engineering Systems …, 2015
62015
Depth precision in dToF sensors for AR applications
P Padmanabhan, S Lindner, PY Taloud, N Rossi, D Stoppa
Int. Imag. Soc. Workshop, 2021
32021
Oscillator arrangement for time-to-digital converter for large array of time-of-flight image sensor devices
AR Ximenes, P Padmanabhan, E Charbon
US Patent App. 15/941,411, 2019
22019
A CMOS Front-end for GaN-based UV Imaging
P Padmanabhan, B Hancock, S Nikzad, LD Bell, K Kroep, E Charbon
Proceedings of the International Image Sensor Workshop, 2017
22017
Direct time-of-flight SPAD image sensors for light detection and ranging
P Padmanabhan
EPFL, 2021
12021
Photon detecting 3d imaging sensor device
AR Ximenes, P Padmanabhan, E Charbon
US Patent App. 16/968,198, 2021
2021
Direct time-of-flight depth sensor architecture and method for operating of such a sensor
P Padmanabhan, C Zhang, E Charbon
2020
Coincidence-based direct-time-of-flight sensor architecture for wide dynamic range scenes in a LiDAR system
E Charbon-Iwasaki-Charbon, P Padmanabhan, C Zhang
2020
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