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Listar Ponencias (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) por autor "Carmona Galán, Ricardo"
Mostrando ítems 41-60 de 72
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Ponencia
Image filtering by reduced kernels exploiting kernel structure and focal-plane averaging
Fernández Berni, Jorge; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2011)Incorporating multi-resolution capabilities into imagers renders additional power saving mechanisms in the subsequent image ...
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Ponencia
In the quest of vision-sensors-on-chip: Pre-processing sensors for data reduction
Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo; Fernández Berni, Jorge; Brea Sánchez, Víctor Manuel; Leñero Bardallo, Juan Antonio (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 ...
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Ponencia
In-pixel ADC for a vision architecture on CMOS-3D technology
Suárez Cambre, Manuel; Brea Sánchez, Víctor Manuel; Domínguez Matas, Carlos; Carmona Galán, Ricardo; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2010)This paper addresses the design of an 8-bit single-slope in-pixel ADC for a 3D chip architecture intended for airborne ...
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Ponencia
In-pixel generation of gaussian pyramid images by block reusing in 3D-CMOS
Suárez Cambre, Manuel; Brea Sánchez, Víctor Manuel; Cabello, D.; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2012)This paper introduces an architecture of a switched-capacitor network for Gaussian pyramid generation. Gaussian pyramids ...
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Ponencia
In-pixel Voltage-Controlled Ring-Oscillator for Phase Interpolation in ToF Image Sensors
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (2016)The design and measurements of a CMOS pseudodifferential voltage-controlled ring-oscillator (VCRO) are presented. It is ...
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Ponencia
Live Demonstration: Gaussian Pyramid Extraction with a CMOS Vision Sensor
Suárez Cambre, Manuel; Brea Sánchez, Víctor Manuel; Fernández Berni, Jorge; Carmona Galán, Ricardo; Cabello, D.; Rodríguez Vázquez, Ángel Benito (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 ...
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Ponencia
Live demonstration: Photon counting and direct ToF camera prototype based on CMOS SPADs
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2017)This demonstrator reveals the performance and features of a single photon avalanche diode (SPAD) camera prototype. It is ...
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Ponencia
Live Demonstration: Single-Exposure HDR Image Acquisition Based on Tunable Balance between Local and Global Adaptation
Fernández Berni, Jorge; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2016)This live demonstration showcases a high dynamic range technique that compresses wide ranges of illuminations into the ...
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Ponencia
Low-Noise and High-Efficiency Near-IR SPADs in 110nm CIS Technology
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2019)Photon detection at longer wavelengths is much desired for LiDAR applications. Silicon photodiodes with deeper junctions ...
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Ponencia
Mixed-signal CNN array chips for image processing
Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael; Carmona Galán, Ricardo; Roca Moreno, Elisenda (The International Society for Optical Engineering, 1996)Due to their local connectivity and wide functional capabilities, cellular nonlinear networks (CNN) are excellent candidates ...
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Ponencia
Multi-resolution low-power Gaussian filtering by reconfigurable focal-plane binning
Fernández Berni, Jorge; Carmona Galán, Ricardo; Pozas Flores, Francisco; Zarandy, A.; Rodríguez Vázquez, Ángel Benito (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 ...
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Ponencia
Non-recursive method for motion detection from a compressive-sampled video stream
Trevisi, Marco; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2016)This paper introduces a non-recursive algorithm for motion detection directly from the analysis of compressed samples. The ...
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Ponencia
Offset-compensated comparator with full-input range in 150nm FDSOI CMOS-3d technology
Suárez Cambre, Manuel; Brea Sánchez, Víctor Manuel; Domínguez Matas, Carlos; Carmona Galán, Ricardo; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2010)This paper addresses an offset-compensated comparator with full-input range in the 150nm FDSOI CMOS- 3D technology from ...
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Ponencia
On the calibration of a SPAD-based 3D imager with in-pixel TDC using a time-gated technique
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2015)The optical characterization of a CMOS 64×64 single-photon avalanche-diode (SPAD) array with in-pixel 11b time-to-digital ...
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Ponencia
On the Correlation of CNN Performance and Hardware Metrics for Visual Inference on a Low-Cost CPU-based Platform
Velasco Montero, Delia; Fernández Berni, Jorge; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2019)While providing the same functionality, the various Deep Learning software frameworks available these days do not provide ...
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Ponencia
On the design of a sparsifying dictionary for compressive image feature extraction
Trevisi, Marco; Carmona Galán, Ricardo; Fernández Berni, Jorge; Rodríguez Vázquez, Ángel Benito (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 ...
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Ponencia
On-The-Fly Deployment of Deep Neural Networks on Heterogeneous Hardware in a Low-Cost Smart Camera
Velasco Montero, Delia; Fernández Berni, Jorge; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Association for Computing Machinery, 2018)This demo showcases a low-cost smart camera where different hardware configurations can be selected to perform image ...
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Ponencia
Photon Counting and Direct ToF Camera Prototype Based on CMOS SPADs
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (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 ...
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Ponencia
Pipeline AER arbitration with event aging
Leñero Bardallo, Juan Antonio; Pérez Peña, Fernando; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (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 ...
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Ponencia
Pixel-wise parameter adaptation for single-exposure extension of the image dynamic range
Carmona Galán, Ricardo; Leñero Bardallo, Juan Antonio; Fernández Berni, Jorge; Rodríguez Vázquez, Ángel Benito (Association for Computing Machinery, 2016)High dynamic range imaging is central in application fields like surveillance, intelligent transportation and advanced ...