26 June 2017 A photogrammetric technique for generation of an accurate multispectral optical flow dataset
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Abstract
A presence of an accurate dataset is the key requirement for a successful development of an optical flow estimation algorithm. A large number of freely available optical flow datasets were developed in recent years and gave rise for many powerful algorithms. However most of the datasets include only images captured in the visible spectrum. This paper is focused on the creation of a multispectral optical flow dataset with an accurate ground truth. The generation of an accurate ground truth optical flow is a rather complex problem, as no device for error-free optical flow measurement was developed to date. Existing methods for ground truth optical flow estimation are based on hidden textures, 3D modelling or laser scanning. Such techniques are either work only with a synthetic optical flow or provide a sparse ground truth optical flow. In this paper a new photogrammetric method for generation of an accurate ground truth optical flow is proposed. The method combines the benefits of the accuracy and density of a synthetic optical flow datasets with the flexibility of laser scanning based techniques. A multispectral dataset including various image sequences was generated using the developed method. The dataset is freely available on the accompanying web site.
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V. V. Kniaz, "A photogrammetric technique for generation of an accurate multispectral optical flow dataset", Proc. SPIE 10332, Videometrics, Range Imaging, and Applications XIV, 103320G (26 June 2017); doi: 10.1117/12.2269956; https://doi.org/10.1117/12.2269956
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