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  • 标题:4D Surface matching for high-speed stereo sequences
  • 本地全文:下载
  • 作者:R. Godding ; T. Luhmann ; A. Wendt
  • 期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
  • 印刷版ISSN:2194-9042
  • 电子版ISSN:2194-9050
  • 出版年度:2006
  • 卷号:XXXVI Part 5
  • 出版社:Copernicus Publications
  • 摘要:In automotive industry, an increasing demand on 3D surface reconstruction from high-speed camera images can be observed, e.g. in car safety testing environments. The paper deals with the automatic photogrammetric measurement of free-form surfaces from synchronous stereo and multi-image sequences as they are required for dynamic area-based deformation analysis. Firstly, instrumental solutions for synchronous acquisition of multi-image sequences are discussed. For surface reconstruction different image-based matching methods are evaluated and compared with an object-based matching method based on the FAST Vision principle. For each step of the sequence, a three-dimensional surface model is generated, that can be enhanced to a 4D deformation model with time as fourth dimension. For visual analysis the photogrammetrically oriented image sequences can be resampled to sub-pixel accurate anaglyph movies
  • 关键词:high-speed camera; stereo; image sequence; free-form surface; matching; correlation
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