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  4. A 240x180 130dB 3µs Latency Global Shutter Spatiotemporal Vision Sensor
 
research article

A 240x180 130dB 3µs Latency Global Shutter Spatiotemporal Vision Sensor

Brandli, C.
•
Berner, R.
•
Yang, M.
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2014
IEEE Journal of Solid-State Circuits

Event-based dynamic vision sensors (DVSs) asynchronously report log intensity changes. Their high dynamic range, sub-ms latency and sparse output make them useful in applications such as robotics and real-time tracking. However they discard absolute intensity information which is useful for object recognition and classification. This paper presents a dynamic and active pixel vision sensor (DAVIS) which addresses this deficiency by outputting asynchronous DVS events and synchronous global shutter frames concurrently. The active pixel sensor (APS) circuits and the DVS circuits within a pixel share a single photodiode. Measurements from a 240x180 sensor array of 18.5um^2 pixels fabricated in a 0.18um 6M1P CMOS image sensor (CIS) technology show a dynamic range of 130dB with 11% contrast detection threshold, minimum 3us latency, and 3.5% contrast matching for the DVS pathway; and a 51dB dynamic range with 0.5% FPN for the APS readout.

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Type
research article
DOI
10.1109/JSSC.2014.2342715
Author(s)
Brandli, C.
Berner, R.
Yang, M.
Liu, S.-C.
Delbruck, T.
Date Issued

2014

Published in
IEEE Journal of Solid-State Circuits
Volume

49

Issue

10

Start page

2333

End page

2341

Subjects

Dynamic vision sensor (DVS)

•

Active pixel sensor (APS)

•

CMOS image sensor

•

Address event representation (AER)

•

Neuromorphic engineering

•

Event-based

•

spike-based

•

Dynamic and Active Pixel Vision Sensor (DAVIS)

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
NCCR-ROBOTICS  
Available on Infoscience
August 15, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/105838
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