Perfil del autor: Fernández Berni, Jorge
Datos institucionales
| Nombre | Fernández Berni, Jorge |
| Departamento | Electrónica y Electromagnetismo |
| Área de conocimiento | Electrónica |
| Categoría profesional | Profesor Titular de Universidad |
| Correo electrónico | Solicitar |
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Estadísticas
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Nº publicaciones
74
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Nº visitas
7908
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Nº descargas
10687
| Publicaciones |
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Tesis Doctoral
 Contributions to the realization of DNN-based visual inference on embedded systems
(2023)
This thesis comprises a set of contributions to the state of the art of embedded computer vision systems. CNNs constitute ... |
| Trabajo Fin de Máster |
Trabajo Fin de Máster
Design and implementation of a low-power low-cost smart embedded system for remote animal monitoring
(2023)
This Master’s thesis serves as the foundation for an innovative wildlife monitoring system, encompassing hardware design, ... |
Artículo
A Pipelining-Based Heterogeneous Scheduling and Energy-Throughput Optimization Scheme for CNNs Leveraging Apache TVM
(IEEE, 2023)
Extracting information of interest from continuous video streams is a strongly demanded computer vision task. For the ... |
Trabajo Fin de Máster
Circuitos de captación y gestión de la energía en aplicaciones de recolección de energía ambiente
(2022)
La recolección de energía ambiente es el proceso consistente en obtener energía aprovechable a partir de fuentes ambientales. ... |
Trabajo Fin de Grado
Inference on compressive measurements
(2021)
Compressed sensing is a new paradigm capable of sampling and compressing signals in one step. Its original purpose was to ... |
| Trabajo Fin de Máster |
Trabajo Fin de Grado
Quantum dots: concept and application for image sensors
(2021)
The aim of this Bachelor’s Thesis is to introduce the concept of quantum dots and their possible application to photodetection. ... |
| Trabajo Fin de Máster |
Artículo
Impact of thermal throttling on long-term visual inference in a cpu-based edge device
(Multidisciplinary Digital Publishing Institute (MDPI), 2020)
Many application scenarios of edge visual inference, e.g., robotics or environmental monitoring, eventually require long ... |
Artículo
Performance assessment of deep learning frameworks through metrics of CPU hardware exploitation on an embedded platform
(J.J. Strossmayer University of Osijek, 2020)
In this paper, we analyze heterogeneous performance exhibited by some popular deep learning software frameworks for visual ... |
Trabajo Fin de Grado
Beam Loss Monitors in the Large Hadron Collider
(2020)
The LHC at CERN is the largest and most powerful particle accelerator ever built. It accelerates protons and ions at high ... |
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 ... |
Ponencia
VersaTile Convolutional Neural Network Mapping on FPGAs
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Convolutional Neural Networks (ConvNets) are directed acyclic graphs with node transitions determined by a 1 set of ... |
Trabajo Fin de Grado
A study on fundamental physical limitations of CMOS technologies
(2019)
In this work the problem of power dissipation for nano-CMOS technologies is addressed. The main focus is to analyze the ... |
Ponencia
On the Correlation of CNN Performance and Hardware Metrics for Visual Inference on a Low-Cost CPU-based Platform
(Institute of Electrical and Electronics Engineers, 2019)
While providing the same functionality, the various Deep Learning software frameworks available these days do not provide ... |
Ponencia
Demo: Results of 'iCaveats', a Project on the Integration of Architectures and Components for Embedded Vision
(ACM Digital Library, 2018)
iCaveats is a Project on the integration of components and architectures for embedded vision in transport and security ... |
Ponencia
Color Tone-Mapping Circuit for a Focal-Plane Implementation
(IEEE, 2018)
In this article, we present a review of the driving principles and parameters of a previously reported focal-plane ... |
Ponencia
On-The-Fly Deployment of Deep Neural Networks on Heterogeneous Hardware in a Low-Cost Smart Camera
(Association for Computing Machinery, 2018)
This demo showcases a low-cost smart camera where different hardware configurations can be selected to perform image ... |
Artículo
Performance Analysis of Real-Time DNN Inference on Raspberry Pi
(SPIE, 2018)
Deep Neural Networks (DNNs) have emerged as the reference processing architecture for the implementation of multiple ... |
Ponencia
Concurrent focal-plane generation of compressed samples fromtime-encoded pixel values
(IEEE, 2018)
Compressive sampling allows wrapping the relevant content of an image in a reduced set of data. It exploits the sparsity ... |
Artículo
Optimum Selection of DNN Model and Framework for Edge Inference
(IEEE, 2018)
This paper describes a methodology to select the optimum combination of deep neuralnetwork and software framework for ... |
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 ... |
Ponencia
Live Demonstration: Low-Power Low-CostCyber-Physical System for Bird Monitoring
(IEEE, 2018)
This live demonstration showcases a cyber-physical system tailored for inexpensive remote bird monitoring. A comprehensive ... |
Artículo
Low-Power CMOS Vision Sensor for Gaussian Pyramid Extraction
(Institute of Electrical and Electronics Engineers, 2017)
This paper introduces a CMOS vision sensor chip in a standard 0.18 μm CMOS technology for Gaussian pyramid extraction. The ... |
Ponencia
In the quest of vision-sensors-on-chip: Pre-processing sensors for data reduction
(Society for Imaging Science and Technology, 2017)
This paper shows that the implementation of vision systems benefits from the usage of sensing front-end chips with embedded ... |
Artículo
TFET-based Well Capacity Adjustment in Active Pixel Sensor for Enhanced High Dynamic Range
(Institute of Electrical and Electronics Engineers, 2017)
We present a Tunnel Field-Effect Transistor (TFET)-based pixel circuit for well capacity adjustment that does not require ... |
Artículo
Gaussian Pyramid: Comparative Analysis of Hardware Architectures
(Institute of Electrical and Electronics Engineers, 2017)
This paper addresses a comparison of architectures for the hardware implementation of Gaussian image pyramids. Main ... |
Artículo
Single-Exposure HDR Technique Based on Tunable Balance Between Local and Global Adaptation
(Institute of Electrical and Electronics Engineers, 2016)
This brief describes a high-dynamic-range technique that compresses wide ranges of illuminations into the available signal ... |
Ponencia
Hardware-Aware Performance Evaluation for the Co-Design of Image Sensors and Vision Algorithms
(Institute of Electrical and Electronics Engineers, 2016)
The top-down approach to system design allows obtaining separate specifications for each subsystem. In the case of vision ... |
Ponencia
Experimental Evidence of Power Efficiency due to Architecture in Cellular Processor Array Chips
(Institute of Electrical and Electronics Engineers, 2016)
Speeding up algorithm execution can be achieved by increasing the number of processing cores working in parallel. Of course, ... |
Artículo
Image Sensing Scheme Enabling Fully-Programmable Light Adaptation and Tone Mapping with a Single Exposure
(Institute of Electrical and Electronics Engineers, 2016)
This letter presents new insights into a high dynamic range (HDR) technique recently reported. We demonstrate that two ... |
Ponencia
Pixel-wise parameter adaptation for single-exposure extension of the image dynamic range
(Association for Computing Machinery, 2016)
High dynamic range imaging is central in application fields like surveillance, intelligent transportation and advanced ... |
Ponencia
High-Level Performance Evaluation of Object Detection Based on Massively Parallel Focal-Plane Acceleration Requiring Minimum Pixel Area Overhead
(Springer, 2016)
Smart CMOS image sensors can leverage the inherent data-level parallelism and regular computational flow of early vision ... |
Capítulo de Libro
Image Feature Extraction Acceleration
(Springer, 2016)
Image feature extraction is instrumental for most of the best-performing algorithms in computer vision. However, it is ... |
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 ... |
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 ... |
Ponencia
Live Demonstration: Single-Exposure HDR Image Acquisition Based on Tunable Balance between Local and Global Adaptation
(Institute of Electrical and Electronics Engineers, 2016)
This live demonstration showcases a high dynamic range technique that compresses wide ranges of illuminations into the ... |
Patente
Hardware para cómputo de la imagen integral
(Oficina Española de Patentes y Marcas , 2015)
La presente invención, según se expresa en el enunciado de esta memoria descriptiva, consiste en hardware de señal mixta ... |
Ponencia
On the design of a sparsifying dictionary for compressive image feature extraction
(Institute of Electrical and Electronics Engineers, 2015)
Compressive sensing is an alternative to Nyquist-rate sampling when the signal to be acquired is known to be sparse or ... |
Ponencia
Real-time single-exposure ROI-driven HDR adaptation based on focal-plane reconfiguration
(Society of Photo-Optical Instrumentation Engineers, 2015)
This paper describes a prototype smart imager capable of adjusting the photo-integration time of multiple regions of ... |
Trabajo Fin de Grado
Aceleración del algoritmo de Viola-Jones mediante rejillas de procesamiento masivamente paralelo en el plano focal
(2015)
El algoritmo de Viola-Jones es un método de detección de objetos que se usa ampliamente en la detección de caras en imágenes ... |
Artículo
Bottom-up performance analysis of focal-plane mixed-signal hardware for Viola–Jones early vision tasks
(John Wiley & Sons, 2015)
Focal-plane mixed-signal arrays have traditionally been designed according to the general claim that moderate accuracy in ... |
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 ... |
Patente
Dispositivo para la detección Hardware de extremos locales en una imagen
(Oficina Española de Patentes y Marcas , 2014)
Dispositivo y método para la detección hardware de extremos locales en una imagen que comprende una pluralidad de celdas ... |
Ponencia
A 26.5 nJ/px 2.64 Mpx/s CMOS Vision Sensor for Gaussian Pyramid Extraction
(Institute of Electrical and Electronics Engineers, 2014)
This paper introduces a CMOS vision sensor to extract the Gaussian pyramid with an energy cost of 26.5 nJ/px at 2.64 Mpx/s, ... |
Artículo
High dynamic range adaptation for ROI tracking based on reconfigurable concurrent dual-sensing
(Institution of Civil Engineers (Great Britain), 2014)
A single-exposure technique to extend the dynamic range of vision sensors is presented. It is particularly suitable for ... |
Capítulo de Libro
Towards an ultra‐low‐power low‐cost wireless visual sensor node for fine‐grain detection of forest fires
(Universidade de Coimbra, 2014)
Advances in electronics, sensor technologies, embedded hardware and software are boosting the application scenarios of ... |
Ponencia
Form Factor Improvement of Smart-Pixels for Vision Sensors through 3-D Vertically- Integrated Technologies
(Institute of Electrical and Electronics Engineers, 2014)
While conventional CMOS active pixel sensors embed only the circuitry required for photo-detection, pixel addressing and ... |
Ponencia
Gaussian Pyramid Extraction with a CMOS Vision Sensor
(Institute of Electrical and Electronics Engineers, 2014)
This paper addresses a CMOS vision sensor with 176 × 120 pixels in standard 0.18 μm CMOS technology that computes the ... |
Ponencia
A QVGA Vision Sensor with Multi-functional Pixels for Focal-Plane Programmable Obfuscation
(Institute of Electrical and Electronics Engineers, 2014)
Privacy awareness constitutes a critical aspect for smart camera networks. An ideal awless protection of sensitive information ... |
Artículo
Smart imaging for power-efficient extraction of Viola-Jones local descriptors
(Society of Photo-Optical Instrumentation Engineers, 2014)
In computer vision, local descriptors permit to summarize relevant visual cues through feature vectors. These vectors ... |
Ponencia
Review of ADCs for imaging
(Society of Photo-Optical Instrumentation Engineers, 2014)
The aim of this article is to guide image sensors designers to optimize the analog-to-digital conversion of pixel outputs. ... |
Ponencia
Demo: A Prototype Vision Sensor for Real-time Focal-plane Obfuscation through Tunable Pixelation
(Institute of Electrical and Electronics Engineers, 2014)
Privacy concerns are hindering the introduction of smart camera networks in prospective application scenarios like retail ... |
Artículo
Focal-plane sensing-processing: a power-efficient approach for the implementation of privacy-aware networked visual sensors
(MDPI, 2014)
The capture, processing and distribution of visual information is one of the major challenges for the paradigm of the ... |
Capítulo de Libro
Fire detection with a frame-less vision sensor working in the NIR band
(Universidad de Coimbra, 2014)
This paper draws the attention of the community about the capabilities of an emerging generation of bio-inspired vision ... |
Ponencia
An ultra-low-power voltage-mode asynchronous WTA-LTA circuit
(Institute of Electrical and Electronics Engineers, 2013)
This paper presents an asynchronous mixed-signal WTA-LTA circuit conceived to carry out local minimummaximum indexing in ... |
Artículo
Ultralow-power processing array for image enhancement and edge detection
(Institute of Electrical and Electronics Engineers, 2012)
This paper presents a massively parallel processing array designed for the 0.13-μm 1.5-V standard CMOS base process of a ... |
Ponencia
Real-time remote reporting of motion analysis with Wi-Flip
(Institute of Electrical and Electronics Engineers, 2012)
This paper describes a real-time application programmed into Wi-FLIP, a wireless smart camera resulting from the integration ... |
Ponencia
Power-efficient focal-plane image representation for extraction of enriched Viola-Jones features
(Institute of Electrical and Electronics Engineers, 2012)
This paper describes the use of a reconfigurable focal-plane processing array in order to achieve an image representation ... |
Artículo
CMOS-3D smart imager architectures for feature detection
(Institute of Electrical and Electronics Engineers, 2012)
This paper reports a multi-layered smart image sensor architecture for feature extraction based on detection of interest ... |
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 ... |
Artículo
All-MOS implementation of RC networks for time-controlled Gaussian spatial filtering
(Wiley-Blackwell, 2012)
This paper addresses the design and VLSI implementation of MOS-based RC networks capable of performing time-controlled ... |
Ponencia
Wi-FLIP: A wireless smart camera based on a focal-plane low-power image processor
(Institute of Electrical and Electronics Engineers, 2011)
This paper presents Wi-FLIP, a vision-enabled WSN node resulting from the integration of FLIP-Q, a prototype vision chip, ... |
Ponencia
Demo: Real-time remote reporting of active regions with Wi-FLIP
(Institute of Electrical and Electronics Engineers, 2011)
This paper describes a real-time application programmed into Wi-FLIP, a wireless smart camera resulting from the integration ... |
Ponencia
Multi-resolution low-power Gaussian filtering by reconfigurable focal-plane binning
(The International Society for Optics and Photonics, 2011)
Gaussian filtering is a basic tool for image processing. Noise reduction, scale-space generation or edge detection are ... |
Ponencia
Focal-plane generation of multi-resolution and multi-scale image representation for low-power vision applications
(The International Society for Optics and Photonics, 2011)
Early vision stages represent a considerably heavy computational load. A huge amount of data needs to be processed under ... |
Artículo
FLIP-Q: A QCIF resolution focal-plane array for low-power image processing
(Institute of Electrical and Electronics Engineers, 2011)
This paper reports a 176×144-pixel smart image sensor designed and fabricated in a 0.35 CMOS-OPTO process. The chip ... |
| Tesis Doctoral |
Ponencia
Design of a smart SiPM based on focal-plane processing elements for improved spatial resolution in PET
(The International Society for Optics and Photonics, 2011)
Single-photon avalanche diodes are compatible with standard CMOS. It means that photo-multipliers for scintillation detectors ... |
Ponencia
Image filtering by reduced kernels exploiting kernel structure and focal-plane averaging
(Institute of Electrical and Electronics Engineers, 2011)
Incorporating multi-resolution capabilities into imagers renders additional power saving mechanisms in the subsequent image ... |
Ponencia
On-site forest fire smoke detection by low-power autonomous vision sensor
(2010)
Early detection plays a crucial role to prevent forest fires from spreading. Wireless vision sensor networks deployed ... |
Artículo
Low-power focal-plane dynamic texture segmentation based on programmable image binning and diffusion hardware
(Society of Photo-Optical Instrumentation Engineers, 2009)
Stand-alone applications of vision are severely constrained by their limited power budget. This is one of the main reasons ... |
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. ... |