http://arxiv.org/abs/2103.02066
Sky imaging systems use lenses to acquire images concentrating light beams in an imager. The light beams received by the imager have an elevation angle with respect to the normal of the device. This produces that the pixels in an image contain information from different areas of the sky within imaging system Field Of View (FOV). The area of the field of view contained in the pixels increases as the elevation angle of the incident light beams decreases. When the sky imaging system are mounted on a solar tracker the angle of incidence of the light beams varies along time. This investigation introduces a transformation that projects the original euclidean frame of the plane of the imager to the geospatial frame of the sky imaging system field of view.
G. Terrén-Serrano and M. Martínez-Ramón
Thu, 4 Mar 21
9/83
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