Publications

Paula López Martínez

2024
A Macro-Pixel Based RGBZ CMOS Image Sensor for Simultaneous Color and Multifrequency Depth Image Acquisition
Low-Voltage CMOS Capacitor-Less LDOs: Bulk-Driven Versus Gate-Driven Comparative Study
Live Demonstration: A Mixed-Mode Signal CMOS Chip for Hyperdimensional Computing
HOPBAS10K: A 98×98 Pixels CMOS Vision Sensor for Background Subtraction
CDS Free Frame Differencing Event Vision Pixel with Lateral Overflow Capacitor for Dynamic Range Extension
Global shutter CMOS vision sensors and event cameras for on-chip dynamic information
Simultaneous Multifrequency Demodulation for Single-Shot Multiple-Path ToF Imaging
2023
GIPS: Geometry-Inspired Passive ToF Sensing for 3D Depth Reconstruction
Recent Advances in Computational Time-of-Flight Imaging
Maximum output power point tracking for photovoltaic energy harvesting systems: Mathematical model and circuit implementation
Kalman Filter-Driven Blind Source Localization for Passive 3D ToF Imaging
Maximum Output Power Point Tracking for Low Power Photovoltaic Energy Harvesting Systems
2022
Low-Power Techniques on a CMOS Vision Sensor Chip for Event Generation by Frame Differencing with High Dynamic Range
Passive 3D Time-of-Flight Imaging leveraging VLC Infrastructure
Ultra-Low-Power Low-Input-Voltage Charge Pump for Micro-Energy Harvesting Applications
Pseudo-Passive Time-of-Flight Imaging: Simultaneous Illumination, Communication, and 3D Sensing
A General-Purpose CMOS Vision Sensor with In-Pixel 5-bit Convolutional Layer Computation
Fast Time-Domain Super-Resolution for Single-Shot Multi-Path ToF Imaging
Low-cost mobile mapping system solution for traffic sign segmentation using Azure Kinect
Design of a 5-bit SRAM-based In-Memory Computing Cell for Deep Learning Models
A 2-Tap Macro-Pixel-Based Indirect ToF CMOS Image Sensor for Multi-Frequency Demodulation
2021
Proposal of a Single-Shot Multi-Frame Multi-Frequency CMOS ToF Sensor
An 11 mA Capacitor-Less LDO with 3.08 nA Quiescent Current and SSF-Based Adaptive Biasing
0.6-V-VIN 7.0-nA-IQ 0.75-mA-IL CMOS Capacitor-Less LDO for Low-Voltage Micro-Energy-Harvested Supplies
HDR 4T-APS Pixel for Event Generation by Frame Differencing
A 0.6 V, ultra-low power, 1060 μm² self-biased PTAT voltage generator for implantable biomedical devices
2020
Compact CMOS Class-AB Output Stage With Robust Behavior Against PVT Variations
1.88 nA Quiescent Current Capacitor-Less LDO with Adaptive Biasing Based on a SSF Absolute Voltage Difference Meter
CMOS Vision Sensor for Background Subtraction
On-Chip Solar Energy Harvester and PMU with Cold Start-Up and Regulated Output Voltage for Biomedical Applications
2019
Design methodology of a 0.7 V, 64.5 pW @ 36°C, 1830 μm² Subthreshold Voltage Reference for Implantable Devices
Ultralow power voltage reference circuit for implantable devices in standard CMOS technology
Time-of-Flight Pixel with Homodyne Phase Demodulation in Standard CMOS Technology
Live Demonstration: Deep Learning-Based Visual Tracking of Multiple Objects on a Low-Power Embedded System
On-Chip Solar Cell and PMU on the Same Substrate with Cold Start-Up from nW and 80 dB of Input Power Range for Biomedical Applications
Micro-Energy Harvesting System including a PMU and a Solar Cell on the same Substrate with Cold Start-Up from 2.38 nW and Input Power Range up to 10μW using Continuous MPPT
Deep Learning-Based Multiple Object Visual Tracking on Embedded System for IoT and Mobile Edge Computing Applications
2018
In‐pixel analog memories for a pixel‐based background subtraction algorithm on CMOS vision sensors
Live Demonstration: Light Energy Harvesting System with an On-Chip Solar Cell and Cold Start-Up
Shannon Entropy as Background Dynamics Estimator In Foreground Detector Algorithms
Impact of Analog Memories Non-Idealities on the Performance of Foreground Detection Algorithms
Pulsed Time-of-Flight Pixel with on-Chip 20 klux Background Light Suppression in Standard CMOS Technology
2016
Dynamic joint model of capacitive charge pumps and on-chip photovoltaic cells for CMOS micro-energy harvesting
Real time architectures for the Scale Invariant Feature Transform algorithm
Live Demonstration: Wireless Sensor Network For Snail Pest Detection
Dynamic Model of On-Chip Inverting Capacitive Charge Pumps with Charge Reusing
Time-of-Flight Chip in Standard CMOS Technology with In-Pixel Adaptive Number of Accumulations
Design for Maximum Power Transfer Efficiency of Thermoelectric Generators using Mixed Mode Simulations
Study of the Thermoelectric Properties of Non-Typical Semiconductor Materials with Conventional CAD Tools
A Review of CMOS Photodiode Modeling and the Role of the Lateral Photoresponse
2015
Dark Current Optimization of 4-Transistor Topologies in Standard CMOS Technologies for Time-of-Flight Sensors
Capacitance-based Wireless Sensor Mote for Snail Pest Detection
Distance Measurement Error in Time-of-Flight Sensors Due to Shot Noise
Four-transistor pinned photodiodes in standard CMOS technologies for time-of-flight sensors
Analytical Model for Crosstalk in p-nwell Photodiodes
2013
Voltage Boosters for on-Chip Solar Cells on Focal-Plane Processors
Comparison of Photosensing Structures in CMOS Standard Technology for Time-of-Flight Sensors
Closed-form and explicit analytical model for crosstalk in CMOS photodiodes
CMOS photodiode model and HDL implementation
Experimental characterization of peripheral photocurrent in CMOS photodiodes down to 65 nm technology
2012
A Verilog-AMS photodiode model including lateral effects
Analytical modelling of size effects on the lateral photoresponse of CMOS photodiodes
GPU-based infrared thermography for NDE of minefields
Evidence of the lateral collection significance in small CMOS photodiodes
2009
A 2D model for radiation-hard CMOS annular transistors
Experimental analysis of CMOS short-channel gate enclosed transistors
Efficient software-hardware 3D heat equation solver with applications on the non-destructive evaluation of minefields
A study of CMOS radiation tolerant transistors using Green functions
Non-destructive soil inspection using an efficient 3D software-hardware heat equation solver
Analytical model of short-channel gate enclosed transistors using Green functions
A dc I-V model for short-channel polygonal enclosed-layout transistors
Enclosed layout transistors in saturation
Modeling and simulation of CMOS APS
2008
Efficient software-hardware 3D heat equation solver with applications on the non-destructive evaluation of minefields
Sensitivity of photodiode-based CMOS APS in 0.18um technology: peripheral collection and optimum dimension
Bottom collection of photodiode-based CMOS APS
DT-CNN emulator: 3D heat equation solver with applications on the non-destructive soil inspection
FPGA-based hardware accelerator of the heat equation with applications on infrared thermography