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Mostrando ítems 1-10 de 13
Artículo
A Low-Latency, Low-Power CMOS Sun Sensor for Attitude Calculation Using Photovoltaic Regime and On-Chip Centroid Computation
(Institute of Electrical and Electronics Engineers, 2023)
The demand for sun sensors has skyrocketed in the last years due to the huge expected deployment of satellites associated with the New Space concept. Sun sensors compute the position of the sun relative to the observer and ...
Artículo
A 1000 FPS at 128×128 vision processor with 8-bit digitized I/O
(Institute of Electrical and Electronics Engineers, 2004)
This paper presents a mixed-signal programmable chip for high-speed vision applications. It consists of an array of processing elements, arranged to operate in accordance with the principles of single instruction multiple ...
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
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 voltage buffering, smart pixels incorporate also circuitry for data processing, data storage and ...
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 ...
Artículo
A 151 dB high dynamic range CMOS image sensor chip architecture with tone mapping compression embedded in-pixel
(Institute of Electrical and Electronics Engineers, 2015)
This paper presents a high dynamic range CMOS image sensor that implements an in-pixel content-aware adaptive global tone mapping algorithm during image capture operation. The histogram of the previous frame of an auxiliary ...
Ponencia
A 32 Input Multiplexed Channel Analog Front-End with Spatial Delta Encoding Technique and Differential Artifacts Compression
(IEEE Computer Society, 2019)
This paper describes a low-noise, low-power and high dynamic range analog front-end intended for sensing neural signals. In order to reduce interface area, a 32-channel multiplexer is implemented on circuit input. ...
Artículo
A 4.2–13.2 V, on-chip, regulated, DC–DC converter in a standard 1.8V/3.3V CMOS process
(Elsevier, 2023)
This paper presents a fully on-chip HV-regulated DC–DC boost converter for the power management unit of an electrical neural stimulator. The core of the DC–DC converter consists of a 4x4 array of individually-configurable ...
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 realization of this task at the edge using the current de-facto standard approach, i.e., deep learning, ...