Concept
Active-pixel sensor
Publications associées (1 000)
Imaging sensor device using an array of single-photon avalanche diode photodetectors
Edoardo Charbon, Andrei Ardelean
The invention relates to an Imaging sensor device in a stacked arrangement comprising: - a pixel array tier comprising a plurality of pixel segments each having a plurality of pixels for photon detection each providing a digital pixel output; - a processin ...
2024Morphological and Material Programability of a Hall-Effect Based Soft Tactile Sensors
Josephine Anna Eleanor Hughes, Sudong Lee
The different receptors in human skin show not only diversity in the stimuli to which they respond, but also variable sensitivity and directionality. This is often determined by their location or morphology, and can play an important role in filtering or a ...
IEEE2024Silicon CMOS and InGaAs(P)/InP SPADs for NIR/SWIR detection
Applications demanding imaging at low-light conditions at near-infrared (NIR) and short-wave infrared (SWIR) wavelengths, such as quantum information science, biophotonics, space imaging, and light detection and ranging (LiDAR), have accelerated the develo ...
EPFL2024Aggregating Spatial and Photometric Context for Photometric Stereo
Photometric stereo, a computer vision technique for estimating the 3D shape of objects through images captured under varying illumination conditions, has been a topic of research for nearly four decades. In its general formulation, photometric stereo is an ...
EPFL2024Generalization and Personalization of Machine Learning for Multimodal Mobile Sensing in Everyday Life
A range of behavioral and contextual factors, including eating and drinking behavior, mood, social context, and other daily activities, can significantly impact an individual's quality of life and overall well-being. Therefore, inferring everyday life aspe ...
EPFL2024Single-Photon Avalanche Diode Image Sensors for Harsh Radiation Environments
The space industry has experienced substantial growth in recent years, leading to rapid advancements in space exploration and space-based technologies. Consequently, the study of electronics and sensor performance in extreme environments has become crucial ...
EPFL2024Doping Engineering for PDP Optimization in SPADs Implemented in 55-nm BCD Process
Edoardo Charbon, Claudio Bruschini, Myung Jae Lee, Feng Liu
We introduce a new family of single-photon avalanche diodes (SPADs) with enhanced depletion regions in a 55-nm Bipolar-CMOS-DMOS (BCD) technology. We demonstrate how to systematically engineer doping profiles in the main junction and in deep p-well layers ...
Piscataway2024A Gradient-Gated SPAD Array for Non-Line-of-Sight Imaging
Edoardo Charbon, Pouyan Keshavarzian, Jiuxuan Zhao, Francesco Gramuglia, Myung Jae Lee
Time-resolved non-line-of-sight (NLOS) imaging based on single-photon avalanche diode (SPAD) detectors have demonstrated impressive results in recent years. To acquire adequate number of indirect photons from a hidden scene in the presence of overwhelming ...
Ieee-Inst Electrical Electronics Engineers Inc2024Eco-Conscious Approach to Wireless Gas Monitoring With a Hybrid Printed Passive Sensor Tag
Johanna Zikulnig, Jürgen Kosel
Addressing the environmental impact of electronic waste in biomedical sensing, an eco-conscious approach to the realization of a Chitosan-based Acetone sensor tag for wireless gas monitoring is presented. The fabrication involves inkjet printing of silver ...
Ieee-Inst Electrical Electronics Engineers Inc2024Integrated Wireless Power, Data Communication, and Thermal Sensing System for Autonomous Multisite Brain Implants
Implanted medical devices (IMDs) have been widely developed to support the monitoring and recording of biological data inside the body or brain. Wirelessly powered IMDs, a subset of implantable electronics, have been proposed to eliminate the limitations r ...
EPFL2024