The Generation of Depth Maps via Depth-from-Defocus: An empirical approach to implementing DfD - Image 1

£69.00

VDM Verlag The Generation of Depth Maps via Depth-from-Defocus: An empirical approach to implementing DfD

Name: The Generation of Depth Maps via Depth-from-Defocus: An empirical approach to implementing DfD
Brand: VDM Verlag
Price: 69.0 GBP
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Engineering & Technology

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Description

The principal aim of this study was to use the concept of image defocus related to feature depth in order to develop a system capable of converting a 2- dimensional greyscale image into a 3-dimensional depth map. An advantage of this concept over techniques such as stereo imaging is that there is no so-called 'correspondence problem' where the corresponding location of a feature or landmark point must be identified in each of the stereo images. The majority - and the most successful - of previous researchers in DfD have used some variation of a 'two-image' technique in order to separate the contribution of the original scene features from the defocus effect. The best of those have achieved results typically in the range of 1% to 2% error in the accuracy of depth estimation. This book presents a single-image method of generating a high-density, high-accuracy depth map via the evaluation of the edge profiles of a projected structured light pattern. The final solution generates a depth map of up to 240,000 spatially invariant depth estimates per scene image, with an accuracy of within +/- 0.5% over a depth range of 10cm.

Product Specifications

Brand: VDM Verlag
Format: paperback
ASIN: 3639212592
Category: Books > Subjects > Science, Nature & Maths > Engineering & Technology
Domain: Amazon UK
Release Date: 17 February 2010
Listed Since: 22 February 2010

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VDM Verlag The Generation of Depth Maps via Depth-from-Defocus: An empirical approach to implementing DfD

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