A 128128 1.5% Contrast Sensitivity 0.9% FPN 3 µs Latency 4 mW Asynchronous Frame-Free Dynamic Vision Sensor Using Transimpedance Preamplifiers

T Serrano-Gotarredona… - IEEE Journal of Solid …, 2013 - ieeexplore.ieee.org
Dynamic Vision Sensors (DVS) have recently appeared as a new paradigm for vision
sensing and processing. They feature unique characteristics such as contrast coding under …

Energy characterization and optimization of image sensing toward continuous mobile vision

R LiKamWa, B Priyantha, M Philipose… - Proceeding of the 11th …, 2013 - dl.acm.org
A major hurdle to frequently performing mobile computer vision tasks is the high power
consumption of image sensing. In this work, we report the first publicly known experimental …

A 3.6 s Latency Asynchronous Frame-Free Event-Driven Dynamic-Vision-Sensor

JA Leñero-Bardallo… - IEEE Journal of Solid …, 2011 - ieeexplore.ieee.org
This paper presents a 128× 128 dynamic vision sensor. Each pixel detects temporal
changes in the local illumination. A minimum illumination temporal contrast of 10% can be …

A 33 W 6464 Pixel Vision Sensor Embedding Robust Dynamic Background Subtraction for Event Detection and Scene Interpretation

N Cottini, M Gottardi, N Massari… - IEEE Journal of Solid …, 2013 - ieeexplore.ieee.org
A 64× 64-pixel ultra-low power vision sensor is presented, performing pixel-level dynamic
background subtraction as the low-level processing layer of an algorithm for scene …

Robust working memory in an asynchronously spiking neural network realized with neuromorphic VLSI

M Giulioni, P Camilleri, M Mattia, V Dante… - Frontiers in …, 2012 - frontiersin.org
We demonstrate bistable attractor dynamics in a spiking neural network implemented with
neuromorphic VLSI hardware. The on-chip network consists of three interacting populations …

Efficient feedforward categorization of objects and human postures with address-event image sensors

S Chen, P Akselrod, B Zhao… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
This paper proposes an algorithm for feedforward categorization of objects and, in particular,
human postures in real-time video sequences from address-event temporal-difference …

Neuromorphic systems

C Bartolozzi, R Benosman, K Boahen… - … of Electrical and …, 1999 - Wiley Online Library
This article reviews a wide spectrum of state‐of‐the‐art neuromorphic systems, ranging from
its principles, sensory elements, and processing aspects to large‐scale example systems …

A 30 µw 30 fps 110× 110 pixels vision sensor embedding local binary patterns

A Berkovich, M Lecca, L Gasparini… - IEEE Journal of Solid …, 2015 - ieeexplore.ieee.org
We present a 110× 110 pixel vision sensor that computes the Local Binary Patterns (LBPs)
of an imaged scene with a power consumption of 30 μW at 30 fps. The LBP of a given pixel …

Selective change driven vision sensor with continuous-time logarithmic photoreceptor and winner-take-all circuit for pixel selection

F Pardo, JA Boluda, F Vegara - IEEE Journal of Solid-State …, 2015 - ieeexplore.ieee.org
The objective of Selective Change Driven (SCD) Vision is to capture and process those
scene pixels that have the greatest impact in the motion estimation task. The implemented …

CMOS image sensor on-die motion detection using inter-pixel mesh relationship

Z Fu, J Yao, D Tayebi - US Patent 10,395,376, 2019 - Google Patents
Techniques for motion detection are presented. An image sensor for motion detection
includes a plurality of analog comparators and a two-dimensional pixel array including a …