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Multi-camera simultaneous localizati...

Clipp, Brian Sanderson.

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Multi-camera simultaneous localization and mapping.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Multi-camera simultaneous localization and mapping./
作者:	Clipp, Brian Sanderson.
面頁冊數:	150 p.
附註:	Source: Dissertation Abstracts International, Volume: 72-01, Section: B, page: 0338.
Contained By:	Dissertation Abstracts International72-01B.
標題:	Engineering, Robotics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3428347
ISBN:	9781124349404

Multi-camera simultaneous localization and mapping.
Clipp, Brian Sanderson.

Multi-camera simultaneous localization and mapping. - 150 p.

Source: Dissertation Abstracts International, Volume: 72-01, Section: B, page: 0338.

Thesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2010.

In this thesis, we study two aspects of simultaneous localization and mapping (SLAM) for multi-camera systems: minimal solution methods for the scaled motion of non-overlapping and partially overlapping two camera systems and enabling online, real-time mapping of large areas using the parallelism inherent in the visual simultaneous localization and mapping (VSLAM) problem.

ISBN: 9781124349404Subjects--Topical Terms:

1018454
Engineering, Robotics.

Multi-camera simultaneous localization and mapping.
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500 $a Source: Dissertation Abstracts International, Volume: 72-01, Section: B, page: 0338.
500 $a Advisers: Marc Pollefeys; Jan-Michael Frahm.
502 $a Thesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2010.
520 $a In this thesis, we study two aspects of simultaneous localization and mapping (SLAM) for multi-camera systems: minimal solution methods for the scaled motion of non-overlapping and partially overlapping two camera systems and enabling online, real-time mapping of large areas using the parallelism inherent in the visual simultaneous localization and mapping (VSLAM) problem.
520 $a We present the only existing minimal solution method for six degree of freedom structure and motion estimation using a non-overlapping, rigid two camera system with known intrinsic and extrinsic calibration. One example application of our method is the three-dimensional reconstruction of urban scenes from video. Because our method does not require the cameras' fields-of-view to overlap, we are able to maximize coverage of the scene and avoid processing redundant, overlapping imagery.
520 $a Additionally, we developed a minimal solution method for partially overlapping stereo camera systems to overcome degeneracies inherent to non-overlapping two-camera systems but still have a wide total field of view. The method takes two stereo images as its input. It uses one feature visible in all four views and three features visible across two temporal view pairs to constrain the system camera's motion. We show in synthetic experiments that our method creates rotation and translation estimates that are more accurate than the perspective three-point method as the overlap in the stereo camera's fields-of-view is reduced.
520 $a A final part of this thesis is the development of an online, real-time visual SLAM system that achieves real-time speed by exploiting the parallelism inherent in the VSLAM problem. We show that feature tracking, relative pose estimation, and global mapping operations such as loop detection and loop correction can be effectively parallelized. Additionally, we demonstrate that a combination of short baseline, differentially tracked corner features, which can be tracked at high frame rates and wide baseline matchable but slower to compute features such as the scale-invariant feature transform can facilitate high speed visual odometry and at the same time support location recognition for loop detection and global geometric error correction.
590 $a School code: 0153.
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790 1 0 $a Pollefeys, Marc, $e advisor
790 1 0 $a Frahm, Jan-Michael, $e advisor
790 1 0 $a Bishop, Gary $e committee member
790 1 0 $a Lazebnik, Svetlana $e committee member
790 1 0 $a Lim, Jongwoo $e committee member
790 1 0 $a Welch, Gregory $e committee member
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791 $a Ph.D.
792 $a 2010
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