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Mostrando ítems 1-9 de 9
Artículo
Compensation of PVT Variations in ToF Imagers with In-Pixel TDC
(MDPI, 2017)
The design of a direct time-of-flight complementary metal-oxide-semiconductor (CMOS) image sensor (dToF-CIS) based on a single-photon avalanche-diode (SPAD) array with an in-pixel time-to-digital converter (TDC) must ...
Artículo
A Customizable Thermographic Imaging System for Medical Image Acquisition and Processing
(Institute of Electrical and Electronics Engineers, 2022)
A custom system has been developed for medical image acquisition and processing in both the visible and the infrared (IR) bands. Unlike some non-customizable commercial devices, this system can easily be adapted to different ...
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 massively parallel image processing arrays. The hardware is focused on energy-efficient operation. ...
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 interest concurrently, automatically and asynchronously with a single exposure period. The operation is ...
Artículo
A Mobile Platform for Movement Tracking Based on a Fast-Execution-Time Optical-Flow Algorithm
(Institute of Electrical and Electronics Engineers, 2022)
A multi-purpose mechanical platform to track moving objects in three-dimensional space has been developed. It is composed of one main microcontroller board that processes all system data, two cameras, three motors, and one ...
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 driving assistance systems. In some scenarios, methods for dynamic range extension based on multiple ...
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 constitute inputs for trained classifiers which in turn enable different high-level vision tasks. While ...
Artículo
System-Level Design of a 64-Channel Low Power Neural Spike Recording Sensor
(Institute of Electrical and Electronics Engineers, 2017)
This paper reports an integrated 64-channel neural spike recording sensor, together with all the circuitry to process and configure the channels, process the neural data, transmit via a wireless link the information and ...
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 available signal range with a single exposure. In order to accomplish such compression, concurrent ...