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Mostrando ítems 121-130 de 145
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
CMOS realization of a 2-layer CNN universal machine chip
(Institute of Electrical and Electronics Engineers, 2002)
Some of the features of the biological retina can be modelled by a cellular neural network (CNN) composed of two dynamically coupled layers of locally connected elementary nonlinear processors. In order to explore the ...
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
A VLSI-oriented and power-efficient approach for dynamic texture recognition applied to smoke detection
(2009)
The recognition of dynamic textures is fundamental in processing image sequences as they are very common in natural scenes. The computation of the optic flow is the most popular method to detect, segment and analyse dynamic ...
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
PreVIous: A Methodology for Prediction of Visual Inference Performance on IoT Devices
(Institute of Electrical and Electronics Engineers, 2020)
This article presents PreVIous, a methodology to predict the performance of convolutional neural networks (CNNs) in terms of throughput and energy consumption on vision-enabled devices for the Internet of Things. CNNs ...