NDLI: FPGA based hardware acceleration of a BRIEF correlator module for a monocular SLAM application

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FPGA based hardware acceleration of a BRIEF correlator module for a monocular SLAM application

Content Provider	ACM Digital Library
Author	Piat, Jonathan Brenot, François Fillatreau, Philippe
Abstract	Robot localization is a mandatory ability for the robot to navigate the world. Solving the SLAM (Simultaneous Localization and Mapping) allows the robot to both localize itself in the environment while building a map of its surrounding. Vision-based SLAM uses one or more camera as the main source of information. The SLAM involves a large computation load on its own and using vision involves even more complexity that does not scale well. This increasing complexity makes it hard to solve in real-time for applications where the SLAM high rate and low latency are inherent constraints (Advanced Drivers Assistance Systems). To help robots solve the SLAM in real-time we propose to build a vision-core that aims at processing the pixel stream coming from the camera in a vision front-end that let a SLAM method work only with high-level features extracted from the image. This paper describes the implementation on FPGA of a core that computes the BRIEF descriptor from a camera output. We also present the implementation of the correlation method for this descriptor for the tracking in an image sequence. This core is then tested in an embedded SLAM application with good speed-up.
Starting Page	184
Ending Page	189
Page Count	6
File Format	PDF
ISBN	9781450347860
DOI	10.1145/2967413.2967426
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-09-12
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Slam Embedded system Fpga Features Robotics
Content Type	Text
Resource Type	Article

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