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    Cross-calibration of time-of-flight and colour cameras 
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    Cross-calibration of time-of-flight and colour cameras

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    Accepted version (5.060Mb)
    Volume
    134
    Pagination
    105 - 115
    DOI
    10.1016/j.cviu.2014.09.001
    Journal
    Computer Vision and Image Understanding
    Metadata
    Show full item record
    Abstract
    Time-of-flight cameras provide depth information, which is complementary to the photometric appearance of the scene in ordinary images. It is desirable to merge the depth and colour information, in order to obtain a coherent scene representation. However, the individual cameras will have different viewpoints, resolutions and fields of view, which means that they must be mutually calibrated. This paper presents a geometric framework for the resulting multi-view and multi-modal calibration problem. It is shown that three-dimensional projective transformations can be used to align depth and parallax-based representations of the scene, with or without Euclidean reconstruction. A new evaluation procedure is also developed; this allows the reprojection error to be decomposed into calibration and sensor-dependent components. The complete approach is demonstrated on a network of three time-of-flight and six colour cameras. The applications of such a system, to a range of automatic scene-interpretation problems, are discussed.
    Authors
    HANSARD, M; Evangelidis, G; Pelorson, Q; Horaud, R
    URI
    http://qmro.qmul.ac.uk/xmlui/handle/123456789/8080
    Collections
    • Electronic Engineering and Computer Science [2674]
    Licence information
    This is a pre-copyedited, author-produced version of an article accepted for publication in Computer Vision and Image Understanding following peer review. The version of record is available http://www.sciencedirect.com/science/article/pii/S1077314214001830?via%3Dihub#ak005
    Copyright statements
    Copyright © 2014 Elsevier Inc. All rights reserved.
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