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Mostrando ítems 81-90 de 100
Ponencia
Pipeline AER arbitration with event aging
(Institute of Electrical and Electronics Engineers, 2017)
We present a simple circuit to handle communication between cells of neuromorphic arrays. It allows cells to operate continuously without waiting for acknowledgement signals back from the AER (Address Event Representation) ...
Artículo
Enhanced Sensitivity of CMOS Image Sensors by Stacked Diodes
(Institute of Electrical and Electronics Engineers, 2016)
We have investigated and compared the performance of photodiodes built with stacked p/n junctions operating in parallel versus conventional ones made with single p/n junctions. We propose a method to characterize and compare ...
Artículo
CMOS Vision Sensors: Embedding Computer Vision at Imaging Front-Ends
(IEEE, 2018)
CMOS Image Sensors (CIS) are key for imaging technol-ogies. These chips are conceived for capturing opticalscenes focused on their surface, and for delivering elec-trical images, commonly in digital format. CISs may ...
Ponencia
Photon Counting and Direct ToF Camera Prototype Based on CMOS SPADs
(Institute of Electrical and Electronics Engineers, 2017)
This paper presents a camera prototype for 2D/3D image capture in low illumination conditions based on single-photon avalanche-diode (SPAD) image sensor for direct time-offlight (d-ToF). The imager is a 64×64 array with ...
Ponencia
Demo: Image Sensing Scheme Enabling Fully-Programmable Light Adaptation and Tone Mapping with a Single Exposure
(Association for Computing Machinery, 2016)
This demo showcases a High Dynamic Range (HDR) technique recently reported. We demonstrate that two intertwined photodiodes per pixel can perform tone mapping under unconstrained illumination conditions with a single ...
Ponencia
A prototype node for wireless vision sensor network applications development
(Institute of Electrical and Electronics Engineers, 2010)
This paper presents a prototype vision-enabled sensor node based on a commercial vision system of reduced size and power consumption. The wireless infrastructure for the deployment of a distributed smart camera network ...
Patente
Hardware para cómputo de la imagen integral
(Oficina Española de Patentes y Marcas , 2015-10-20)
La presente invención, según se expresa en el enunciado de esta memoria descriptiva, consiste en hardware de señal mixta para cómputo de la imagen integral en el plano focal mediante una agrupación de celdas básicas de ...
Ponencia
Focal-Plane Scale Space Generation with a 6T Pixel Architecture
(Society for Imaging Science and Technology, 2016)
Aiming at designing a CMOS image sensor that combines high fill factor and focal-plane implementation of instrumental image processing steps, we propose a simple modification in a standard pixel architecture in order ...
Ponencia
Live Demonstration: Gaussian Pyramid Extraction with a CMOS Vision Sensor
(Institute of Electrical and Electronics Engineers, 2015)
This live demonstration showcases the Gaussian pyramid with a CMOS vision sensor. The chip features a 176 120 pixel array in standard 0.18 m CMOS technology. The sensing elements are designed as 3-Transistor Active Pixel ...
Artículo
Early forest fire detection by vision-enabled wireless sensor networks
(CSIRO Publishing, 2012)
Wireless sensor networks constitute a powerful technology particularly suitable for environmental monitoring. With regard to wildfires, they enable low-cost fine-grained surveillance of hazardous locations like wildland-urban ...